CN116804112A - Polycarbonate toughening color matching and preparation method thereof - Google Patents
Polycarbonate toughening color matching and preparation method thereof Download PDFInfo
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- CN116804112A CN116804112A CN202210267186.1A CN202210267186A CN116804112A CN 116804112 A CN116804112 A CN 116804112A CN 202210267186 A CN202210267186 A CN 202210267186A CN 116804112 A CN116804112 A CN 116804112A
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- 239000004417 polycarbonate Substances 0.000 title claims abstract description 68
- 229920000515 polycarbonate Polymers 0.000 title claims abstract description 62
- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- 229920006351 engineering plastic Polymers 0.000 claims abstract description 23
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 21
- 239000012745 toughening agent Substances 0.000 claims abstract description 21
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000004595 color masterbatch Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 13
- 241000209094 Oryza Species 0.000 claims description 9
- 235000007164 Oryza sativa Nutrition 0.000 claims description 9
- 239000002270 dispersing agent Substances 0.000 claims description 9
- 235000009566 rice Nutrition 0.000 claims description 9
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000006229 carbon black Substances 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims description 2
- 238000006731 degradation reaction Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 239000000049 pigment Substances 0.000 claims description 2
- 229920005992 thermoplastic resin Polymers 0.000 claims description 2
- 238000009736 wetting Methods 0.000 claims description 2
- 238000004383 yellowing Methods 0.000 claims description 2
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 29
- 239000012752 auxiliary agent Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000005587 carbonate group Chemical group 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a polycarbonate toughening color matching and a preparation method thereof. The polycarbonate color matching engineering plastic comprises, by mass, 95% of PC raw material resin, 5% of PC toughening agent (M724), 0.3% of antioxidant, 0.2-0.3% of diffusant EBS and one part of PC black matrix 2014. The black degree of the PC color is improved, the mechanical property of the PC is greatly improved, and the application field of PC engineering plastics is further widened. So that the method can be widely applied to the fields of automobile industry, household appliances, engineering machinery, ships, buildings and the like.
Description
Technical Field
The invention belongs to the technical field of engineering plastics, and particularly relates to a preparation method of polycarbonate toughening color matching engineering plastics.
Background
Polycarbonate (PC for short, english) also called PC plastic; the polymer is a polymer having a carbonate group in a molecular chain, and can be classified into various types such as aliphatic, aromatic, aliphatic-aromatic, and the like, depending on the structure of the ester group. Wherein the application of aliphatic and aliphatic-aromatic polycarbonates in engineering plastics is limited due to their low mechanical properties.
However, the unstable color of PC resin in the high temperature environment of the pelleting process limits the wide application, and an antioxidant and a high temperature color master batch are added for improving the oxidation resistance of PC resin, but after the additives are added, the mechanical properties of the material are deteriorated. Therefore, the invention aims to develop the engineering plastic which is toughened and improves the color change resistance of the polycarbonate.
Disclosure of Invention
Based on the defects and shortcomings of the prior art, the invention provides a polycarbonate modified color matching engineering plastic, and further provides a preparation method of the material, which comprises the following steps:
the polycarbonate modified color matching engineering plastic comprises the following components in percentage by mass:
material ratio
PC raw material (Taf dragon) 95%
PC toughener (M724) 5%
Antioxidant is 0.3 percent of
0.2 to 0.3 percent of diffusion agent EBS
Carboet black masterbatch 1 part
Further, the polycarbonate modified color matching engineering plastic is characterized in that the PC resin is PC raw material Taf dragon plastic industry PC natural color raw rice.
Further, the polycarbonate modified color matching engineering plastic is characterized in that the PC toughening agent is a Japanese China-Yuan chemical PC toughening agent M724.
Further, the polycarbonate modified color matching engineering plastic is characterized in that the antioxidant is matched with the Basoff chemical antioxidants 168 and 1010, so that the polymer can be effectively resisted from thermal degradation and yellowing of nylon (PA 6, PA 66) and Polycarbonate (PC) due to high shear in the processing process.
Further, the polycarbonate modified color matching engineering plastic is characterized in that the dispersing agent EBS can improve the fluidity of materials, reduce the mixing energy consumption, improve the glossiness of products and improve the transparency and the impact resistance of products.
Further, the polycarbonate modified color matching engineering plastic is characterized in that the black master batch is the most commonly used color master batch in plastic processing, and is also the color master batch with the largest dosage. The black master batch is prepared by dispersing and mixing a high proportion of carbon black pigment, an additive and thermoplastic resin through a strict process, and the selected resin has good wetting and dispersing effects on the coloring agent and has good compatibility with the colored material.
A method for preparing the polycarbonate toughening color matching engineering plastic according to any one of claims 1, which is characterized by comprising the following steps:
s1, uniformly mixing raw PC rice and a PC toughening agent according to a proportion, adding an antioxidant, a dispersing agent EBS and a color master batch according to a proportion, uniformly mixing, and uniformly stirring in a vertical stirrer to obtain a premix;
s2, adding the premix obtained in the step S1 into a hopper of a double-screw extruder, continuously advancing the mixed material under the action of pulling force, water-cooling, dehumidifying and drying, and then feeding the mixed material into a tractor and a granulator, and granulating by the granulator to obtain a granular product; the double-screw extruder is divided into nine areas from a feeding port to a machine head, wherein the temperature of one area to the nine areas is 230-240 ℃, 240-245 ℃, 245-250 ℃, 250-255, 255-260 ℃, 260-265 ℃, 265-270 ℃, 270-280 ℃, the temperature of the feeding port is 230 ℃, the temperature of the vacuum port is 250 ℃, the temperature of the machine head is 270-280 ℃, the rotating speed of the screw is 350-400 r/min, and the feeding amount is 200kg/h.
The invention has the beneficial effects that:
the invention aims to develop the polycarbonate engineering plastic which has good mechanical property, is easy to mold, does not change color under the condition of increasing the temperature, is easy to mold and process, and has simple manufacturing process and wide application range and market.
Detailed Description
The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The polycarbonate toughening color matching engineering plastic comprises the following components in percentage by mass:
material ratio
PC raw material (Taf dragon) 95%
PC toughener (M724) 5%
Antioxidant is 0.3 percent of
0.2 to 0.3 percent of diffusion agent EBS
Carboet black masterbatch 1 part
Example 1
The weight percentage of the components is as follows: 9.5KG of PC resin, 0.5KG of PC toughening agent, 30g of antioxidant, 1 part of color master batch and 20g of dispersing agent EBS, firstly mixing the toughening agent and the antioxidant, putting the mixture into a PE bag, packaging the PE bag to prevent the entry of damp impurities, then adding the raw rice, the prepared auxiliary agent and the color master batch, adding proper dispersing oil, putting the mixture into a vertical mixer according to comparison, stirring for five minutes to obtain a premix, adding the premix into a hopper of a double-screw extruder, continuing to advance the mixture under the action of tensile force, cooling with water, dehumidifying, drying, putting the mixture into a tractor and a granulator, and granulating the mixture by the granulator to obtain a granular product; the double-screw extruder is divided into nine areas from a feeding port to a machine head, wherein the temperature of one area to the nine areas is 230-240 ℃, 240-245 ℃, 245-250 ℃, 250-255, 255-260 ℃, 260-265 ℃, 265-270 ℃, 270-280 ℃, the temperature of the feeding port is 230 ℃, the temperature of the vacuum port is 250 ℃, the temperature of the machine head is 270-280 ℃, the rotating speed of the screw is 350-400 r/min, and the feeding amount is 200kg/h.
Example 2
The weight percentage of the components is as follows: 9.5KG of PC resin, 0.1KG of PC toughening agent, 30g of antioxidant, 1 part of color master batch and 20g of dispersing agent EBS, firstly mixing the toughening agent and the antioxidant, putting the mixture into a PE bag, packaging the PE bag to prevent the entry of damp impurities, then adding the raw rice, the prepared auxiliary agent and the color master batch, adding proper dispersing oil, putting the mixture into a vertical mixer according to comparison, stirring for five minutes to obtain a premix, adding the premix into a hopper of a double-screw extruder, continuing to advance the mixture under the action of tensile force, cooling with water, dehumidifying, drying, putting the mixture into a tractor and a granulator, and granulating the mixture by the granulator to obtain a granular product; the double-screw extruder is divided into nine areas from a feeding port to a machine head, wherein the temperature of one area to the nine areas is 230-240 ℃, 240-245 ℃, 245-250 ℃, 250-255, 255-260 ℃, 260-265 ℃, 265-270 ℃, 270-280 ℃, the temperature of the feeding port is 230 ℃, the temperature of the vacuum port is 250 ℃, the temperature of the machine head is 270-280 ℃, the rotating speed of the screw is 350-400 r/min, and the feeding amount is 200kg/h.
Example 3
The weight percentage of the components is as follows: 9.5KG of PC resin, 0.5KG of PC toughening agent, 10g of antioxidant, 1 part of color master batch and 20g of dispersing agent EBS, firstly mixing the toughening agent and the antioxidant, putting the mixture into a PE bag, packaging the PE bag to prevent the entry of damp impurities, then adding the raw rice, the prepared auxiliary agent and the color master batch, adding proper dispersing oil, putting the mixture into a vertical mixer according to comparison, stirring for five minutes to obtain a premix, adding the premix into a hopper of a double-screw extruder, continuing to advance the mixture under the action of tensile force, cooling with water, dehumidifying, drying, putting the mixture into a tractor and a granulator, and granulating the mixture by the granulator to obtain a granular product; the double-screw extruder is divided into nine areas from a feeding port to a machine head, wherein the temperature of one area to the nine areas is 230-240 ℃, 240-245 ℃, 245-250 ℃, 250-255, 255-260 ℃, 260-265 ℃, 265-270 ℃, 270-280 ℃, the temperature of the feeding port is 230 ℃, the temperature of the vacuum port is 250 ℃, the temperature of the machine head is 270-280 ℃, the rotating speed of the screw is 350-400 r/min, and the feeding amount is 200kg/h.
Comparative example 1
The weight percentage of the components is as follows: 9.5KG of PC resin, 30g of antioxidant, 1 part of color masterbatch and 20g of dispersing agent EBS, firstly mixing the toughening agent and the antioxidant, putting the mixture into a PE bag, packaging the PE bag to prevent the entry of damp impurities, then adding the raw rice, the prepared auxiliary agent and color masterbatch and proper dispersing oil into the mixture, putting the mixture into a vertical mixer according to comparison, stirring for five minutes to obtain a premix, adding the premix into a hopper of a double-screw extruder, continuously advancing the mixture under the action of tensile force, cooling the mixture, dehumidifying and drying the mixture, putting the mixture into a tractor and a granulator, and granulating the mixture by the granulator to obtain a granular product; the double-screw extruder is divided into nine areas from a feeding port to a machine head, wherein the temperature of one area to the nine areas is 230-240 ℃, 240-245 ℃, 245-250 ℃, 250-255, 255-260 ℃, 260-265 ℃, 265-270 ℃, 270-280 ℃, the temperature of the feeding port is 230 ℃, the temperature of the vacuum port is 250 ℃, the temperature of the machine head is 270-280 ℃, the rotating speed of the screw is 350-400 r/min, and the feeding amount is 200kg/h.
Comparative example 2
The weight percentage of the components is as follows: 9.5KG of PC resin, 0.5KG of PC toughening agent, antioxidant (without adding), 1 part of color master batch and 20g of dispersing agent EBS, firstly mixing the toughening agent and the antioxidant, putting the mixture into a PE bag, packaging the PE bag to prevent the entry of damp impurities, then adding the raw rice, the prepared auxiliary agent and color master batch and proper dispersing oil into the mixture, putting the mixture into a vertical mixer according to comparison, stirring for five minutes to obtain a premix, adding the premix into a hopper of a double-screw extruder, continuing to advance the mixture under the action of tensile force, cooling with water, dehumidifying, drying, putting the mixture into a tractor and a granulator, and granulating the mixture by the granulator to obtain a granular product; the double-screw extruder is divided into nine areas from a feeding port to a machine head, wherein the temperature of one area to the nine areas is 230-240 ℃, 240-245 ℃, 245-250 ℃, 250-255, 255-260 ℃, 260-265 ℃, 265-270 ℃, 270-280 ℃, the temperature of the feeding port is 230 ℃, the temperature of the vacuum port is 250 ℃, the temperature of the machine head is 270-280 ℃, the rotating speed of the screw is 350-400 r/min, and the feeding amount is 200kg/h.
The PC engineering plastic particles prepared in the examples 1-3 and the comparative examples 1-2 are injection molded by an injection molding machine
Forming a standard sample, and comparing the standard sample according to national and international standards to perform mechanical property and flame retardant grade property characterization.
Table 1 performance test data for each of examples 1-3 and comparative examples 1-2:
as can be seen from Table 1, the materials obtained by the technical scheme of the invention have better mechanical properties and appearance. From Table 1, it is found that the PC toughening agent has a large influence on the physical properties of the material, the physical properties of the material are reduced more without adding the toughening agent, and the addition of too much or too little has an influence on the performance, and the physical properties are good when the addition amount of example 1 is taken into account. The antioxidant obtained in Table 1 has a certain influence on the appearance of the material, and the color change is serious after exposure to the sun without adding or with less color plates. Best results can be obtained from example 1. The comparison shows that the embodiment 1 has the best effect and reaches the expected level, and can be widely applied to the fields of automobile industry, household appliances, engineering machinery, ships, buildings and the like.
The foregoing is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the foregoing embodiment, and all technical solutions belonging to the principles of the present invention are within the protection scope of the present invention. Modifications which would occur to those skilled in the art without departing from the principles of the invention are also intended to be included within the scope of the invention.
Claims (7)
1. The polycarbonate toughening color matching and the preparation method thereof are characterized by comprising the following components in percentage by mass:
material ratio
PC raw material (Taf dragon) 95%
PC toughener (M724) 5%
Antioxidant is 0.3 percent of
0.2 to 0.3 percent of diffusion agent EBS
1 part of cabo black masterbatch.
2. The polycarbonate toughening color matching engineering plastic according to claim 1, wherein the PC resin is PC raw material Taf dragon plastic industry PC natural color raw rice.
3. The polycarbonate toughening color matching engineering plastic according to claim 1, wherein the PC toughening agent is a Japanese China-Yuan chemical PC toughening agent M724.
4. The polycarbonate toughening color matching engineering plastic according to claim 1, wherein the antioxidant is matched with the basf chemical antioxidant 168 and 1010, so that the polymer can be effectively resisted from thermal degradation and yellowing of nylon (PA 6, PA 66) and Polycarbonate (PC) due to high shear in the processing process.
5. The polycarbonate toughening color matching engineering plastic according to claim 1, wherein the dispersing agent EBS can improve the fluidity of materials, reduce the energy consumption of mixing, improve the glossiness of products and improve the transparency and the impact resistance of products.
6. The polycarbonate toughening color matching engineering plastic according to claim 1, wherein the black master batch is the most commonly used color master batch in plastic processing and is also the most used color master batch. The black master batch is prepared by dispersing and mixing a high proportion of carbon black pigment, an additive and thermoplastic resin through a strict process, and the selected resin has good wetting and dispersing effects on the coloring agent and has good compatibility with the colored material.
7. A method for preparing the polycarbonate toughening color matching engineering plastic according to any one of claims 1, which is characterized by comprising the following steps:
s1, uniformly mixing raw PC rice and a PC toughening agent according to a proportion, adding an antioxidant, a dispersing agent EBS and a color master batch according to a proportion, uniformly mixing, and uniformly stirring in a vertical stirrer to obtain a premix;
s2, adding the premix obtained in the step S1 into a hopper of a double-screw extruder, continuously advancing the mixed material under the action of pulling force, water-cooling, dehumidifying and drying, and then feeding the mixed material into a tractor and a granulator, and granulating by the granulator to obtain a granular product; the double-screw extruder is divided into nine areas from a feeding port to a machine head, wherein the temperature of one area to the nine areas is 230-240 ℃, 240-245 ℃, 245-250 ℃, 250-255, 255-260 ℃, 260-265 ℃, 265-270 ℃, 270-280 ℃, the temperature of the feeding port is 230 ℃, the temperature of the vacuum port is 250 ℃, the temperature of the machine head is 270-280 ℃, the rotating speed of the screw is 350-400 r/min, and the feeding amount is 200kg/h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210267186.1A CN116804112A (en) | 2022-03-18 | 2022-03-18 | Polycarbonate toughening color matching and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210267186.1A CN116804112A (en) | 2022-03-18 | 2022-03-18 | Polycarbonate toughening color matching and preparation method thereof |
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| CN202210267186.1A Pending CN116804112A (en) | 2022-03-18 | 2022-03-18 | Polycarbonate toughening color matching and preparation method thereof |
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