CN104788920A - Full-biodegradable composite material having high strength and high modulus as well as formula and preparation method of full-biodegradable composite material - Google Patents
Full-biodegradable composite material having high strength and high modulus as well as formula and preparation method of full-biodegradable composite material Download PDFInfo
- Publication number
- CN104788920A CN104788920A CN201510220924.7A CN201510220924A CN104788920A CN 104788920 A CN104788920 A CN 104788920A CN 201510220924 A CN201510220924 A CN 201510220924A CN 104788920 A CN104788920 A CN 104788920A
- Authority
- CN
- China
- Prior art keywords
- parts
- scope
- modulus
- complete biodegradable
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention relates to a full-biodegradable composite material having high strength and high modulus as well as a formula and a preparation method of the full-biodegradable composite material. The full-biodegradable composite material has the following physical properties: the vicat temperature is 80.0-110.0 DEG C; the tensile strength is 30.0-70.0 Mpa; the bending strength is 60.0-120.0 Mpa; the bending modulus is 5000.0-8000.0 Mpa; the shore D surface hardness is 60.0-80.0; the melt mass-flow rate is 5.0-15.0g/10min. The full-biodegradable composite material comprises a full-biodegradable resin, a fibrous filler, a coupling agent, a synergist and a dispersing agent. The preparation method of the full-biodegradable composite material comprises premixing, mixing, extruding and granulating. The full-biodegradable composite material disclosed by the invention is environmentally friendly and has the physical properties including high strength and high modulus; preparation materials disclosed by the invention are simple; and the preparation method disclosed by the invention is simple and convenient to operate and is applied to large-scale production.
Description
Technical field
The present invention relates to a kind of high strength, high-modulus complete biodegradable matrix material and formula thereof and preparation method.
Background technology
Complete biodegradable matrix material is a kind of employing complete biodegradable resin (poly(lactic acid) (PLA), poly-succinic acid-butanediol (PBS), poly terephthalic acid-hexanodioic acid fourth diester (PBAT), poly-succinic acid-butanediol-altogether-mutual-phenenyl two acid bromide two alcohol ester (PBST) etc.) one or more and vegetable fibre or mineral filler (calcium carbonate, talcum powder, mica powder, polynite etc.) obtained by twin screw extruder extruding pelletization after a kind of or two or more mixing.The mid and low-end products field such as disposable tableware (cutter, fork, spoon), hotel's disposable sanitary articles used under can be used for normal temperature condition, the cost of material is low for this, comprehensive process excellent property.
But the complete biodegradable matrix material major part had on the market is at present that cost is high, physicals is not good enough, physicals is embodied in all on the low side and poor toughness of modulus, hardness.
CN 102108196 A reports a kind of preparation method of polylactic acid degradable material, and what the method adopted is that cellulose acetate usually strengthens PLA, introduces nanometer organic modification montmonrillonite simultaneously, and the toughness that its material shows still not.
CN 102268144 A reports the preparation method of polylactic acid-starch heat-resisting composite, its heat-drawn wire can reach 90-120 DEG C, tensile strength 20-35MPa, but, its formula combination have employed compatilizer and carries out increase-volume, nucleator carries out rapid crystallization, and from thermodynamic principles, PLA and starch are Immiscible Polymer Blends.Therefore prepared material, relative cost is comparatively large, and complex process, material mechanical performance is superior not enough.
CN 104231525 A reports a kind of long fiber reinforced environment-friendly flame-resistant ABS matrix material and preparation method thereof, what its technique was taked is by introducing the increase-volume auxiliary agents such as compatilizer, first be prepared into master batch by fine for length with ABS, then blended with flame retardant ABS master batch, ABS raw material, change the traditional technology that long fibre needs preimpregnation, simplify technique, improve efficiency.
Summary of the invention
The high strength that the object of the present invention is to provide a kind of physicals good, high-modulus complete biodegradable matrix material and formula thereof and preparation method.
Object of the present invention is achieved through the following technical solutions: a kind of high strength, high-modulus complete biodegradable matrix material, is characterized in that: it has following physicals:
Color is white or faint yellow; Vicat temperature is: 80.0-110.0 DEG C; Tensile strength is: 30.0-70.0Mpa; Flexural strength is: 60.0-120.0Mpa; Modulus in flexure is: 5000.0-8000.0Mpa; Shore D surface hardness is: 60.0-80.0; At 190 DEG C, under the condition of 2.16kg, the quality melt flow rate (MFR) of product is 5.0-15.0g/10min.
The formula of a kind of high strength, high-modulus complete biodegradable matrix material, it is characterized in that: calculate with weight ratio, complete biodegradable resin 65 parts-85 parts, bat wool 10 parts-25 parts, coupling agent 1 part-3 parts, synergist 1 part-2 parts, dispersion agent 1 part-6 parts.
Described complete biodegradable resin is the mixture of one or more in poly(lactic acid), poly-succinic acid-butanediol, poly terephthalic acid-hexanodioic acid fourth diester, poly-succinic acid-butanediol-altogether-mutual-phenenyl two acid bromide two alcohol ester, poly-succinic-hexanodioic acid-butanediol ester, polycaprolactone, poly (propylene carbonate), poly (hydroxyalkanoate) series compound.
Described poly (hydroxyalkanoate) series compound can be: poly butyric ester (PHB), polyhydroxybutyrate-valerate (PHBV), polyhydroxybutyrate-capronate (PHBHX), poly-3,4 hydroxybutyric acid ester (P3,4HB) etc.
Described bat wool is the mixture of one or more in calcium sulfate crystal whiskers, glass fibre, vegetable fibre.
The length-to-diameter ratio scope of described calcium sulfate crystal whiskers is: 20 ~ 50; The length-to-diameter ratio scope of described glass fibre is: 150 ~ 400.
Described vegetable fibre is the mixture of one or more in cellulose acetate, flax, jute, bamboo fibers, sisal hemp and coconut fiber, and its order number is 10-100 order;
Described coupling agent is the mixture of one or more in silane coupling agent, titanate coupling agent, aluminate coupling agent;
Described synergist is the mixture of one or more in erucic acid, oleic acid, stearic acid.
Described dispersion agent is the mixture of one or more in stearate, organic carboxyl acid amides, wax class.
Described stearate can be: calcium stearate, barium stearate, Zinic stearas, Magnesium Stearate etc.
Described organic carboxyl acid amides can be: erucicamide, amine hydroxybenzene, the two stearic amides of N, N-etc.
Described wax class can be: paraffin, polyethylene wax, oxidized polyethlene wax etc.
A preparation method for high strength, high-modulus complete biodegradable matrix material, is characterized in that: it comprises the following steps:
1) pre-mixing: first bat wool is joined in high-speed mixer, dewater 10-25min under temperature 80-120 DEG C of condition, then coupling agent is added, stir 2-5min, then add synergist, then stir 2-5min, finally add dispersion agent and complete biodegradable resin, stir 3-5min, whole process rotating speed controls within the scope of 200-500rpm, mixes rear releasing;
2) mixing extrusion granulation: by step 1) in the material that mixes join in the parallel dual-screw extruding machine of low sheraing, high conveying mixing evenly and extruding pelletization obtains a kind of high strength, high-modulus complete biodegradable matrix material, the blending extrusion condition of twin screw extruder is:
One district's temperature controls within the scope of 120-140 DEG C; Two district's temperature control within the scope of 135-155 DEG C; Three district's temperature control within the scope of 145-165 DEG C; Four district's temperature control within the scope of 150-170 DEG C; Five district's temperature control within the scope of 150-170 DEG C; Six district's temperature control within the scope of 150-170 DEG C; Seven district's temperature control within the scope of 150-170 DEG C; Eight district's temperature control within the scope of 150-170 DEG C; Nine district's temperature control within the scope of 150-170 DEG C; Ten district's temperature control within the scope of 150-170 DEG C; 11 district's temperature control within the scope of 150-170 DEG C; No.12 District temperature controls within the scope of 145-165 DEG C; 13 district's temperature control within the scope of 140-160 DEG C; Engine speed controls within the scope of 100-160rpm, and rate of feeding controls within the scope of 25-50rpm.
Compared to prior art, the invention has the advantages that: the material that 1) the present invention obtains is complete biodegradable matrix material, this material at occurring in nature complete biodegradable, can not cause environmental pollution after a procedure, so this material has the advantage of environmental protection.2) material that the present invention obtains has the physicals of high strength, high-modulus, makes this material all have obvious advantage in tensile strength, Young's modulus, shock resistance, corrosion resistance nature etc.3) tensile strength of material that the present invention obtains is: 30.0-70.0Mpa; Flexural strength is: 60.0-120.0Mpa; Modulus in flexure is: 5000.0-8000.0Mpa; Surface hardness (shore D) is: the 60.0-80.0 material that therefore the present invention obtains has adjustable mechanical property can flexible according to actual needs.4) to prepare material simple in the present invention.5) length-to-diameter ratio of suitable fiber or order number and batch mixing rotating speed is selected, mix at low speed high mixer, by the disposable feeding of major ingredient mouth of common twin screw extruder, extruding pelletization obtains this material, without the need to side feeding or the independent feeding of weightless weighing machine.Therefore preparation technology of the present invention is simple to operate, convenient, is applicable to scale operation.
Embodiment
Below in conjunction with embodiment, content of the present invention is described in detail:
Embodiment one:
1) pre-mixing: by weight calculating, first 25 parts of bat wools are put into high-speed mixer, dewater 10min at temperature 120 DEG C, wherein bat wool to be length-to-diameter ratio be 150 glass fibre and length-to-diameter ratio be the mixture of the calcium sulfate crystal whiskers of 50, and length-to-diameter ratio be 150 glass fibre and length-to-diameter ratio be that the number of the calcium sulfate crystal whiskers of 50 is respectively 15 parts and 10 parts, then 3 parts of silane coupling agents are added, stir 2min, add 2 parts of synergists again, stir 2min, wherein synergist is the mixture of erucic acid and oleic acid, and the number of erucic acid and oleic acid is respectively 1 part, 1 part, add 5 parts of paraffin afterwards, 65 parts of complete biodegradable resins, blowing after stirring 5min, wherein complete biodegradable resin is poly-succinic acid-butanediol-altogether-mutual-phenenyl two acid bromide two alcohol ester, the mixture of poly-succinic acid-butanediol and poly-succinic acid-butanediol-altogether-mutual-phenenyl two acid bromide two alcohol ester, the number of poly-succinic acid-butanediol is respectively 30 parts, 35 parts, the rotating speed of whole process is 200rpm,
2) mixing extrusion granulation: by step 1) in the material that mixes join in the parallel dual-screw extruding machine of low sheraing, high conveying mixing evenly and extruding pelletization obtains a kind of high strength, high-modulus complete biodegradable matrix material.
Twin screw extruder extruding and pelletizing process parameter is as following table:
Embodiment two:
1) pre-mixing: by weight calculating, first 25 parts of bat wools are put into high-speed mixer, dewater 10min at temperature 120 DEG C, wherein bat wool to be length-to-diameter ratio be 300 glass fibre and length-to-diameter ratio be the mixture of the calcium sulfate crystal whiskers of 30, and length-to-diameter ratio be 300 glass fibre and length-to-diameter ratio be that the number of the calcium sulfate crystal whiskers of 30 is respectively 15 parts and 10 parts, then 3 parts of silane coupling agents are added, stir 2min, add 2 parts of synergists again, stir 2min, wherein synergist is the mixture of erucic acid and oleic acid, and the number of erucic acid and oleic acid is respectively 1 part, 1 part, add 5 parts of paraffin afterwards, 65 parts of complete biodegradable resins, blowing after stirring 5min, wherein complete biodegradable resin is poly-succinic acid-butanediol-altogether-mutual-phenenyl two acid bromide two alcohol ester, the mixture of poly-succinic acid-butanediol and poly-succinic acid-butanediol-altogether-mutual-phenenyl two acid bromide two alcohol ester, the number of poly-succinic acid-butanediol is respectively 30 parts, 35 parts, the rotating speed of whole process is 200rpm,
2) mixing extrusion granulation: by step 1) in the material that mixes join in the parallel dual-screw extruding machine of low sheraing, high conveying mixing evenly and extruding pelletization obtains a kind of high strength, high-modulus complete biodegradable matrix material.
Twin screw extruder extruding and pelletizing process parameter is as following table:
Embodiment three:
1) pre-mixing: by weight calculating, first 25 parts of bat wools are put into high-speed mixer, dewater 10min at temperature 120 DEG C, wherein bat wool to be length-to-diameter ratio be 400 glass fibre and length-to-diameter ratio be the mixture of the calcium sulfate crystal whiskers of 20, and length-to-diameter ratio be 400 glass fibre and length-to-diameter ratio be that the number of the calcium sulfate crystal whiskers of 20 is respectively 15 parts and 10 parts, then 3 parts of silane coupling agents are added, stir 2min, add 2 parts of synergists again, stir 2min, wherein synergist is the mixture of erucic acid and oleic acid, and the number of erucic acid and oleic acid is respectively 1 part, 1 part, add 5 parts of paraffin afterwards, 65 parts of complete biodegradable resins, blowing after stirring 5min, wherein complete biodegradable resin is poly-succinic acid-butanediol-altogether-mutual-phenenyl two acid bromide two alcohol ester, the mixture of poly-succinic acid-butanediol and poly-succinic acid-butanediol-altogether-mutual-phenenyl two acid bromide two alcohol ester, the number of poly-succinic acid-butanediol is respectively 30 parts, 35 parts, the rotating speed of whole process is 200rpm,
2) mixing extrusion granulation: by step 1) in the material that mixes join in the parallel dual-screw extruding machine of low sheraing, high conveying mixing evenly and extruding pelletization obtains a kind of high strength, high-modulus complete biodegradable matrix material.
Twin screw extruder extruding and pelletizing process parameter is as following table:
Embodiment four:
1) pre-mixing: by weight calculating, first 20 parts of bat wools are put into high-speed mixer, dewater 15min at temperature 100 DEG C, the wherein mixture of bat wool to be 10 object bamboo fiberss and length-to-diameter ratio the be calcium sulfate crystal whiskers of 45, and the number that 10 object bamboo fiberss and length-to-diameter ratio are the calcium sulfate crystal whiskers of 45 is respectively 10 parts, 10 parts, then 2 parts of titanate coupling agents are added, stir 3min, add 1.5 parts of synergists again, stir 3min, wherein synergist is erucic acid and stearic mixture, and erucic acid and stearic number are respectively 0.5 part and 1 part, add 6 parts of dispersion agents and 70 parts of complete biodegradable resins afterwards, blowing after stirring 4min, wherein dispersion agent is calcium stearate, Zinic stearas, the mixture of paraffin, and calcium stearate, Zinic stearas, the number of paraffin is respectively 2 parts, 2 parts, 2 parts, complete biodegradable resin is poly(lactic acid), poly-succinic acid-butanediol, the mixture of poly terephthalic acid-hexanodioic acid fourth diester, and poly(lactic acid), poly-succinic acid-butanediol, the number of poly terephthalic acid-hexanodioic acid fourth diester is respectively 30 parts, 30 parts, 10 parts, the rotating speed of whole process is 400rpm,
2) mixing extrusion granulation: by step 1) in the material that mixes join in the parallel dual-screw extruding machine of low sheraing, high conveying mixing evenly and extruding pelletization obtains a kind of high strength, high-modulus complete biodegradable matrix material.
Twin screw extruder extruding and pelletizing process parameter is as following table:
Embodiment five:
1) pre-mixing: by weight calculating, first 20 parts of bat wools are put into high-speed mixer, dewater 15min at temperature 100 DEG C, the wherein mixture of bat wool to be 100 object bamboo fiberss and length-to-diameter ratio the be calcium sulfate crystal whiskers of 50, and the number that 100 object bamboo fiberss and length-to-diameter ratio are the calcium sulfate crystal whiskers of 50 is respectively 10 parts, 10 parts, then 2 parts of titanate coupling agents are added, stir 3min, add 1.5 parts of synergists again, stir 3min, wherein synergist is erucic acid and stearic mixture, and erucic acid and stearic number are respectively 0.5 part and 1 part, add 6 parts of dispersion agents and 70 parts of complete biodegradable resins afterwards, blowing after stirring 4min, wherein dispersion agent is calcium stearate, Zinic stearas, the mixture of paraffin, and calcium stearate, Zinic stearas, the number of paraffin is respectively 2 parts, 2 parts, 2 parts, complete biodegradable resin is poly(lactic acid), poly-succinic acid-butanediol, the mixture of poly terephthalic acid-hexanodioic acid fourth diester, and poly(lactic acid), poly-succinic acid-butanediol, the number of poly terephthalic acid-hexanodioic acid fourth diester is respectively 30 parts, 30 parts, 10 parts, the rotating speed of whole process is 400rpm,
2) mixing extrusion granulation: by step 1) in the material that mixes join in the parallel dual-screw extruding machine of low sheraing, high conveying mixing evenly and extruding pelletization obtains a kind of high strength, high-modulus complete biodegradable matrix material.
Twin screw extruder extruding and pelletizing process parameter is as following table:
Embodiment six:
1) pre-mixing: by weight calculating, first 20 parts of bat wools are put into high-speed mixer, dewater 15min at temperature 100 DEG C, the wherein mixture of bat wool to be 50 object bamboo fiberss and length-to-diameter ratio the be calcium sulfate crystal whiskers of 20, and the number that 50 object bamboo fiberss and length-to-diameter ratio are the calcium sulfate crystal whiskers of 20 is respectively 10 parts, 10 parts, then 2 parts of titanate coupling agents are added, stir 3min, add 1.5 parts of synergists again, stir 3min, wherein synergist is erucic acid and stearic mixture, and erucic acid and stearic number are respectively 0.5 part and 1 part, add 6 parts of dispersion agents and 70 parts of complete biodegradable resins afterwards, blowing after stirring 4min, wherein dispersion agent is calcium stearate, Zinic stearas, the mixture of paraffin, and calcium stearate, Zinic stearas, the number of paraffin is respectively 2 parts, 2 parts, 2 parts, complete biodegradable resin is poly(lactic acid), poly-succinic acid-butanediol, the mixture of poly terephthalic acid-hexanodioic acid fourth diester, and poly(lactic acid), poly-succinic acid-butanediol, the number of poly terephthalic acid-hexanodioic acid fourth diester is respectively 30 parts, 30 parts, 10 parts, the rotating speed of whole process is 400rpm,
2) mixing extrusion granulation: by step 1) in the material that mixes join in the parallel dual-screw extruding machine of low sheraing, high conveying mixing evenly and extruding pelletization obtains a kind of high strength, high-modulus complete biodegradable matrix material.
Twin screw extruder extruding and pelletizing process parameter is as following table:
Embodiment seven:
1) pre-mixing: by weight calculating, first first 10 parts of bat wools will be put into high-speed mixer, dewater 25min at temperature 80 DEG C, and wherein bat wool is order number is 80 object coconut fibers, length-to-diameter ratio is the mixture of the glass fibre of 150, and the number that 80 object coconut fibers and length-to-diameter ratio are the glass fibre of 150 is respectively 5 parts, 5 parts, then add 1 part of aluminate coupling agent, stir 5min, add 1 part of oleic acid, stir 5min, add 1 part of dispersion agent and 85 parts of complete biodegradable resins afterwards, blowing after stirring 3min, wherein dispersion agent is calcium stearate, erucicamide, the mixture of the two stearic amide of N, N-, and calcium stearate, erucicamide, the number of the two stearic amide of N, N-is respectively 0.5 part, 0.3 part, 0.2 part, complete biodegradable resin is poly-succinic acid-butanediol, poly butyric ester, the mixture of poly(lactic acid), and poly-succinic acid-butanediol, poly butyric ester, the number of poly(lactic acid) is respectively 40 parts, 20 parts, 25 parts, the rotating speed of whole process is 500rpm,
2) mixing extrusion granulation: by step 1) in the material that mixes join in the parallel dual-screw extruding machine of low sheraing, high conveying mixing evenly and extruding pelletization obtains a kind of high strength, high-modulus complete biodegradable matrix material.
Twin screw extruder extruding and pelletizing process parameter is as following table:
Embodiment eight:
1) pre-mixing: by weight calculating, first first 10 parts of bat wools will be put into high-speed mixer, dewater 25min at temperature 80 DEG C, and wherein bat wool is order number is 10 object coconut fibers, length-to-diameter ratio is the mixture of the glass fibre of 300, and the number that 10 object coconut fibers and length-to-diameter ratio are the glass fibre of 300 is respectively 5 parts, 5 parts, then add 1 part of aluminate coupling agent, stir 5min, add 1 part of oleic acid, stir 5min, add 1 part of dispersion agent and 85 parts of complete biodegradable resins afterwards, blowing after stirring 3min, wherein dispersion agent is calcium stearate, erucicamide, the mixture of the two stearic amide of N, N-, and calcium stearate, erucicamide, the number of the two stearic amide of N, N-is respectively 0.5 part, 0.3 part, 0.2 part, complete biodegradable resin is poly-succinic acid-butanediol, poly butyric ester, the mixture of poly(lactic acid), and poly-succinic acid-butanediol, poly butyric ester, the number of poly(lactic acid) is respectively 40 parts, 20 parts, 25 parts, the rotating speed of whole process is 500rpm,
2) mixing extrusion granulation: by step 1) in the material that mixes join in the parallel dual-screw extruding machine of low sheraing, high conveying mixing evenly and extruding pelletization obtains a kind of high strength, high-modulus complete biodegradable matrix material.
Twin screw extruder extruding and pelletizing process parameter is as following table:
Embodiment nine:
1) pre-mixing: by weight calculating, first first 10 parts of bat wools will be put into high-speed mixer, dewater 25min at temperature 80 DEG C, and wherein bat wool is order number is 100 object coconut fibers, length-to-diameter ratio is the mixture of the glass fibre of 400, and the number that 100 object coconut fibers and length-to-diameter ratio are the glass fibre of 400 is respectively 5 parts, 5 parts, then add 1 part of aluminate coupling agent, stir 5min, add 1 part of oleic acid, stir 5min, add 1 part of dispersion agent and 85 parts of complete biodegradable resins afterwards, blowing after stirring 3min, wherein dispersion agent is calcium stearate, erucicamide, the mixture of the two stearic amide of N, N-, and calcium stearate, erucicamide, the number of the two stearic amide of N, N-is respectively 0.5 part, 0.3 part, 0.2 part, complete biodegradable resin is poly-succinic acid-butanediol, poly butyric ester, the mixture of poly(lactic acid), and poly-succinic acid-butanediol, poly butyric ester, the number of poly(lactic acid) is respectively 40 parts, 20 parts, 25 parts, the rotating speed of whole process is 500rpm,
2) mixing extrusion granulation: by step 1) in the material that mixes join in the parallel dual-screw extruding machine of low sheraing, high conveying mixing evenly and extruding pelletization obtains a kind of high strength, high-modulus complete biodegradable matrix material.Twin screw extruder extruding and pelletizing process parameter is as following table:
Embodiment ten:
1) pre-mixing: by weight calculating, first 18 parts of bat wools are put into high-speed mixer, dewater 15min at temperature 100 DEG C, the wherein mixture of bat wool to be 95 object bamboo fiberss and length-to-diameter ratio the be calcium sulfate crystal whiskers of 35, and the number that 95 object bamboo fiberss and length-to-diameter ratio are the calcium sulfate crystal whiskers of 35 is respectively 10 parts, 8 parts, then 2 parts of titanate coupling agents are added, stir 3min, add 1.5 parts of synergists again, stir 3min, wherein synergist is erucic acid and stearic mixture, and erucic acid and stearic number are respectively 0.5 part and 1 part, add 6 parts of dispersion agents and 70 parts of complete biodegradable resins afterwards, blowing after stirring 4min, wherein dispersion agent is calcium stearate, Zinic stearas, the mixture of paraffin, and calcium stearate, Zinic stearas, the number of paraffin is respectively 2 parts, 2 parts, 2 parts, complete biodegradable resin is poly(lactic acid), poly-succinic acid-butanediol, the mixture of poly terephthalic acid-hexanodioic acid fourth diester, and poly(lactic acid), poly-succinic acid-butanediol, the number of poly terephthalic acid-hexanodioic acid fourth diester is respectively 30 parts, 30 parts, 10 parts, the rotating speed of whole process is 400rpm,
2) mixing extrusion granulation: by step 1) in the material that mixes join in the parallel dual-screw extruding machine of low sheraing, high conveying mixing evenly and extruding pelletization obtains a kind of high strength, high-modulus complete biodegradable matrix material.
Twin screw extruder extruding and pelletizing process parameter is as following table:
High strength, high-modulus complete biodegradable matrix material that above 10 embodiments are obtained, have following physicals:
Preparation method of the present invention, adopt complete biodegradable resin, bat wool, coupling agent, synergist, dispersant, do not take side feeding or the independent feeding of weightless weighing machine, and obtain through common twin screw extruder granulation, so starting material used in the present invention are simple, manufacture craft also facilitates.
Claims (10)
1. high strength, a high-modulus complete biodegradable matrix material, is characterized in that: it has following physicals:
Color is white or faint yellow; Vicat temperature is: 80.0-110.0 DEG C; Tensile strength is: 30.0-70.0Mpa; Flexural strength is: 60.0-120.0Mpa; Modulus in flexure is: 5000.0-8000.0Mpa; Shore D surface hardness is: 60.0-80.0; At 190 DEG C, under the condition of 2.16kg, the quality melt flow rate (MFR) of product is 5.0-15.0g/10min.
2. the formula of a high strength, high-modulus complete biodegradable matrix material, it is characterized in that: calculate with weight ratio, complete biodegradable resin 65 parts-85 parts, bat wool 10 parts-25 parts, coupling agent 1 part-3 parts, synergist 1 part-2 parts, dispersion agent 1 part-6 parts.
3. the formula of high strength according to claim 2, high-modulus complete biodegradable matrix material, is characterized in that: described complete biodegradable resin is the mixture of one or more in poly(lactic acid), poly-succinic acid-butanediol, poly terephthalic acid-hexanodioic acid fourth diester, poly-succinic acid-butanediol-altogether-mutual-phenenyl two acid bromide two alcohol ester, poly-succinic-hexanodioic acid-butanediol ester, polycaprolactone, poly (propylene carbonate), poly (hydroxyalkanoate) series compound.
4. the formula of high strength according to claim 2, high-modulus complete biodegradable matrix material, is characterized in that: described bat wool is the mixture of one or more in calcium sulfate crystal whiskers, glass fibre, vegetable fibre.
5. the formula of high strength according to claim 4, high-modulus complete biodegradable matrix material, is characterized in that: the length-to-diameter ratio scope of described calcium sulfate crystal whiskers is: 20 ~ 50; The length-to-diameter ratio scope of described glass fibre is: 150 ~ 400.
6. the formula of high strength according to claim 4, high-modulus complete biodegradable matrix material, it is characterized in that: described vegetable fibre is the mixture of one or more in cellulose acetate, flax, jute, bamboo fibers, sisal hemp and coconut fiber, its order number is 10-100 order.
7. the formula of high strength according to claim 2, high-modulus complete biodegradable matrix material, is characterized in that: described coupling agent is the mixture of one or more in silane coupling agent, titanate coupling agent, aluminate coupling agent.
8. the formula of high strength according to claim 2, high-modulus complete biodegradable matrix material, is characterized in that: described synergist is the mixture of one or more in erucic acid, oleic acid, stearic acid.
9. the formula of high strength according to claim 2, high-modulus complete biodegradable matrix material, is characterized in that: described dispersion agent is the mixture of one or more in stearate, organic carboxyl acid amides, wax class.
10. a preparation method for high strength, high-modulus complete biodegradable matrix material, is characterized in that: it comprises the following steps:
1) pre-mixing: first bat wool is joined in high-speed mixer, dewater 10-25min under temperature 80-120 DEG C of condition, then coupling agent is added, stir 2-5min, then add synergist, then stir 2-5min, finally add dispersion agent and complete biodegradable resin, stir 3-5min, whole process rotating speed controls within the scope of 200-500rpm, mixes rear releasing;
2) mixing extrusion granulation: by step 1) in the material that mixes join in the parallel dual-screw extruding machine of low sheraing, high conveying mixing evenly and extruding pelletization obtains a kind of high strength, high-modulus complete biodegradable matrix material, the blending extrusion condition of twin screw extruder is:
One district's temperature controls within the scope of 120-140 DEG C; Two district's temperature control within the scope of 135-155 DEG C; Three district's temperature control within the scope of 145-165 DEG C; Four district's temperature control within the scope of 150-170 DEG C; Five district's temperature control within the scope of 150-170 DEG C; Six district's temperature control within the scope of 150-170 DEG C; Seven district's temperature control within the scope of 150-170 DEG C; Eight district's temperature control within the scope of 150-170 DEG C; Nine district's temperature control within the scope of 150-170 DEG C; Ten district's temperature control within the scope of 150-170 DEG C; 11 district's temperature control within the scope of 150-170 DEG C; No.12 District temperature controls within the scope of 145-165 DEG C; 13 district's temperature control within the scope of 140-160 DEG C; Engine speed controls within the scope of 100-160rpm, and rate of feeding controls within the scope of 25-50rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220924.7A CN104788920A (en) | 2015-05-04 | 2015-05-04 | Full-biodegradable composite material having high strength and high modulus as well as formula and preparation method of full-biodegradable composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220924.7A CN104788920A (en) | 2015-05-04 | 2015-05-04 | Full-biodegradable composite material having high strength and high modulus as well as formula and preparation method of full-biodegradable composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104788920A true CN104788920A (en) | 2015-07-22 |
Family
ID=53554132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510220924.7A Pending CN104788920A (en) | 2015-05-04 | 2015-05-04 | Full-biodegradable composite material having high strength and high modulus as well as formula and preparation method of full-biodegradable composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104788920A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968738A (en) * | 2016-06-21 | 2016-09-28 | 上海东升新材料有限公司 | Preparation method of pistachio nut shell powder modified poly(butyleneadipate-co-terephthalate) composite material and pistachio nut shell powder modified poly(butyleneadipate-co-terephthalate) composite material prepared according to preparation method |
| CN106336629A (en) * | 2016-08-29 | 2017-01-18 | 上海东升新材料有限公司 | Preparation method of mulberry twig bast fiber-modified poly(butylene adipate/terephthalate) composite material and product obtained through preparation method |
| CN106800756A (en) * | 2017-01-11 | 2017-06-06 | 北京汽车集团有限公司 | Full bio-based degradation material and preparation method thereof and automobile interior and vehicle |
| CN106893268A (en) * | 2015-12-17 | 2017-06-27 | 上海东升新材料有限公司 | Modified terephtha-late composite of a kind of ramee and preparation method thereof |
| CN106893272A (en) * | 2015-12-21 | 2017-06-27 | 上海东升新材料有限公司 | A kind of magnesium hydroxide crystal whisker is modified the preparation method and products thereof of polyadipate/butylene terephthalate composite |
| CN108384204A (en) * | 2018-03-10 | 2018-08-10 | 福建师范大学 | A kind of 3D printing porous material and preparation method thereof of expansion drilling |
| CN109337313A (en) * | 2018-09-12 | 2019-02-15 | 泉州市康馨化工科技有限公司 | The method for forming gradient composites using 3D printing |
| CN109749381A (en) * | 2019-01-08 | 2019-05-14 | 福建师范大学 | A kind of biomass-based masterbatch and preparation method thereof |
| CN111270688A (en) * | 2020-01-19 | 2020-06-12 | 河南城市园丁园艺有限公司 | Degradable mountain body is restoreed and is planted and use hanging net |
| CN113185809A (en) * | 2021-03-23 | 2021-07-30 | 会通新材料股份有限公司 | Heat-resistant full-biodegradable composite material for thin-wall injection molding product and preparation method thereof |
| CN113337088A (en) * | 2021-07-13 | 2021-09-03 | 山东瑞丰高分子材料股份有限公司 | Novel composite degradable plastic material for injection molding and preparation method thereof |
| CN114031903A (en) * | 2021-11-29 | 2022-02-11 | 南通醋酸纤维有限公司 | Biodegradable material and film product and application thereof |
| WO2024138140A1 (en) * | 2022-12-22 | 2024-06-27 | President And Fellows Of Harvard College | Additively manufactured biocomposites from photosynthetic microorganisms and related methods |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469111A (en) * | 2008-06-12 | 2009-07-01 | 深圳市意可曼生物科技有限公司 | Wholly-degradable biological plastic poly(3-hydroxybutyrate 4-hydroxybutyrate copolymer) and plant fibre blending alloy |
| CN102850741A (en) * | 2012-09-06 | 2013-01-02 | 江苏兆鋆新材料科技有限公司 | Polyhydroxyalkanoate full-degradation composite material, preparation method and applications thereof |
| CN103102660A (en) * | 2011-11-11 | 2013-05-15 | 上海杰事杰新材料(集团)股份有限公司 | Fibrilia/polylactic acid biodegradable composite material and preparation method thereof |
| CN103421286A (en) * | 2013-08-08 | 2013-12-04 | 华南理工大学 | High temperature resistant and degradable polylactic acid wood plastic material and preparation method thereof |
| CN103540111A (en) * | 2013-10-12 | 2014-01-29 | 深圳市江之源实业有限公司 | Fully degradable polylactic acid sheet material with high strength and high-temperature resistance, and preparation method thereof |
| CN104530655A (en) * | 2014-11-13 | 2015-04-22 | 苏州威尔德工贸有限公司 | A PBS composite material used for degradable infant cups and a preparing method thereof |
-
2015
- 2015-05-04 CN CN201510220924.7A patent/CN104788920A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101469111A (en) * | 2008-06-12 | 2009-07-01 | 深圳市意可曼生物科技有限公司 | Wholly-degradable biological plastic poly(3-hydroxybutyrate 4-hydroxybutyrate copolymer) and plant fibre blending alloy |
| CN103102660A (en) * | 2011-11-11 | 2013-05-15 | 上海杰事杰新材料(集团)股份有限公司 | Fibrilia/polylactic acid biodegradable composite material and preparation method thereof |
| CN102850741A (en) * | 2012-09-06 | 2013-01-02 | 江苏兆鋆新材料科技有限公司 | Polyhydroxyalkanoate full-degradation composite material, preparation method and applications thereof |
| CN103421286A (en) * | 2013-08-08 | 2013-12-04 | 华南理工大学 | High temperature resistant and degradable polylactic acid wood plastic material and preparation method thereof |
| CN103540111A (en) * | 2013-10-12 | 2014-01-29 | 深圳市江之源实业有限公司 | Fully degradable polylactic acid sheet material with high strength and high-temperature resistance, and preparation method thereof |
| CN104530655A (en) * | 2014-11-13 | 2015-04-22 | 苏州威尔德工贸有限公司 | A PBS composite material used for degradable infant cups and a preparing method thereof |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106893268A (en) * | 2015-12-17 | 2017-06-27 | 上海东升新材料有限公司 | Modified terephtha-late composite of a kind of ramee and preparation method thereof |
| CN106893272A (en) * | 2015-12-21 | 2017-06-27 | 上海东升新材料有限公司 | A kind of magnesium hydroxide crystal whisker is modified the preparation method and products thereof of polyadipate/butylene terephthalate composite |
| CN105968738A (en) * | 2016-06-21 | 2016-09-28 | 上海东升新材料有限公司 | Preparation method of pistachio nut shell powder modified poly(butyleneadipate-co-terephthalate) composite material and pistachio nut shell powder modified poly(butyleneadipate-co-terephthalate) composite material prepared according to preparation method |
| CN106336629A (en) * | 2016-08-29 | 2017-01-18 | 上海东升新材料有限公司 | Preparation method of mulberry twig bast fiber-modified poly(butylene adipate/terephthalate) composite material and product obtained through preparation method |
| CN106800756B (en) * | 2017-01-11 | 2019-09-13 | 北京汽车集团有限公司 | Full biology base degradation material and preparation method thereof and automobile interior and vehicle |
| CN106800756A (en) * | 2017-01-11 | 2017-06-06 | 北京汽车集团有限公司 | Full bio-based degradation material and preparation method thereof and automobile interior and vehicle |
| CN108384204A (en) * | 2018-03-10 | 2018-08-10 | 福建师范大学 | A kind of 3D printing porous material and preparation method thereof of expansion drilling |
| CN109337313A (en) * | 2018-09-12 | 2019-02-15 | 泉州市康馨化工科技有限公司 | The method for forming gradient composites using 3D printing |
| CN109749381A (en) * | 2019-01-08 | 2019-05-14 | 福建师范大学 | A kind of biomass-based masterbatch and preparation method thereof |
| CN111270688A (en) * | 2020-01-19 | 2020-06-12 | 河南城市园丁园艺有限公司 | Degradable mountain body is restoreed and is planted and use hanging net |
| CN113185809A (en) * | 2021-03-23 | 2021-07-30 | 会通新材料股份有限公司 | Heat-resistant full-biodegradable composite material for thin-wall injection molding product and preparation method thereof |
| CN113185809B (en) * | 2021-03-23 | 2022-03-22 | 会通新材料股份有限公司 | Heat-resistant full-biodegradable composite material for thin-wall injection molding product and preparation method thereof |
| CN113337088A (en) * | 2021-07-13 | 2021-09-03 | 山东瑞丰高分子材料股份有限公司 | Novel composite degradable plastic material for injection molding and preparation method thereof |
| CN113337088B (en) * | 2021-07-13 | 2022-10-18 | 山东瑞丰高分子材料股份有限公司 | Preparation method of composite degradable plastic material for injection molding |
| CN114031903A (en) * | 2021-11-29 | 2022-02-11 | 南通醋酸纤维有限公司 | Biodegradable material and film product and application thereof |
| WO2024138140A1 (en) * | 2022-12-22 | 2024-06-27 | President And Fellows Of Harvard College | Additively manufactured biocomposites from photosynthetic microorganisms and related methods |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104788920A (en) | Full-biodegradable composite material having high strength and high modulus as well as formula and preparation method of full-biodegradable composite material | |
| CN103540111B (en) | A kind of high intensity, resistant to elevated temperatures fully-degradable polylactic acid sheet material and manufacture method thereof | |
| CN102816384B (en) | Glass fiber-reinforced polypropylene material with shallow shrinkage mark and low warpage as well as preparation method and application thereof | |
| CN102977624B (en) | A kind of degradable type bamboo-plastic composite material with superhigh tenacity and preparation method thereof | |
| CN104788924B (en) | A kind of heat-resisting complete biodegradable composite material and its formula and preparation method for injecting products | |
| CN101200581B (en) | Natural fiber-reinforced polylatic acid-based resin composition | |
| CN101698709B (en) | Polypropylene modified material for degradable disposable tableware and preparation method thereof | |
| CN109096725A (en) | A kind of lightweight PC/ABS loss of weight composite material and preparation method | |
| CN103937278A (en) | 3D printing wood-plastic composite material and preparation method thereof | |
| CN108929527B (en) | PBAT/modified starch full-biodegradable film with high ductility and high barrier property as well as preparation method and application thereof | |
| CN103772819A (en) | Method for preparing polypropylene and rice hull powder foamed composite tray | |
| CN102040813B (en) | PLA (polylactic acid) resin-ABS (acrylonitrile-butadiene-styrene) resin composite material and method for preparing same | |
| CN101525487A (en) | Composite material degraded by environment and preparation method thereof | |
| CN102558679A (en) | Novel bamboo fiber/polypropylene composite material and method for preparing same | |
| CN114031908B (en) | Polyethylene glycol terephthalate modified engineering plastic and preparation method thereof | |
| CN106543622A (en) | Polyester is as flow improver additive in the purposes for improving enhancing ASA composition glossiness | |
| CN113185809A (en) | Heat-resistant full-biodegradable composite material for thin-wall injection molding product and preparation method thereof | |
| CN115594957B (en) | High-barrier degradable material, high-barrier degradable film and preparation method thereof | |
| CN102643523A (en) | Modified polylactic acid/polycaprolactone composite material and preparation method thereof | |
| CN104804387B (en) | A kind of full bio-based degradable poly lactic acid composite and preparation method thereof | |
| CN102702655B (en) | Polyvinyl alcohol/high amylose biodegradable material and melting preparation method thereof | |
| CN103709681A (en) | High-toughness and high-heatproof glass fiber reinforced PBT (Polybutylece Terephthalate) composite material and preparation method thereof | |
| CN106566158A (en) | Reinforced ASA composition and application thereof | |
| CN109627583A (en) | A kind of high-strength carbon fiber PP composite material and preparation method thereof | |
| CN103834093A (en) | Ethylene-vinyl alcohol copolymer-based wood/plastic composite board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination |