CN107793687A - A kind of anti-ageing wood-plastic packaging material and preparation method thereof - Google Patents
A kind of anti-ageing wood-plastic packaging material and preparation method thereof Download PDFInfo
- Publication number
- CN107793687A CN107793687A CN201710879612.6A CN201710879612A CN107793687A CN 107793687 A CN107793687 A CN 107793687A CN 201710879612 A CN201710879612 A CN 201710879612A CN 107793687 A CN107793687 A CN 107793687A
- Authority
- CN
- China
- Prior art keywords
- parts
- wood
- packaging material
- temperature
- plastic packaging
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H8/00—Macromolecular compounds derived from lignocellulosic materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Laminated Bodies (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a kind of preparation method of anti-ageing wood-plastic packaging material, and wood fibre is crushed into the wood powder that granularity is 80 120 mesh, adds dimethyl suflfate and polyethylene glycol, it is placed in high-pressure reaction vessel, under 4 8MPa pressure, 30 40min are reacted, obtain modified wood powder;Polypropylene particles, alkali magnesium sulfate crystal whisker, endoxan and ethyl-para-hydroxyphenyl ketone are mixed into 5 10min;Subsequent extruded machine melt blending is simultaneously granulated, and obtains modified polypropene particle;By modified wood powder and modified polypropene mix particles, and azodicarbonamide, cumyl peroxide, 4 butanediol esters and acrylic acid are added, in 90 120 DEG C of 40min of stirring reaction 20 of temperature;Feed the mixture into extruder, extruded under 175 190 DEG C of temperature, the 45rpm of screw speed 25;It is molded after through mould in 190 210 DEG C of temperature, the 12MPa lower pressed films of pressure 8;It can obtain the anti-ageing wood-plastic packaging material after cooling.
Description
Technical field
The invention belongs to wood moulding packaging material field, more particularly to a kind of anti-ageing wood-plastic packaging material and its preparation side
Method.
Background technology
Greatly consumed with the resource such as quickening, timber, fossil energy of people's Development of China's Urbanization, all kinds of natural resources will
Increasingly exhausted, at the same time, people's environmental consciousness progressively strengthens, and wooden material also gradually rises.Wood plastic composite (WPC),
A kind of composite made of mainly material is with plastics based on the timber or cellulose, be exactly will a certain proportion of wood it is fine
Dimension (such as wood powder, powder of straw, cotton stalk powder, bamboo powder, shell powder) by pretreatment be allowed to thermoplastic polymer resin or other
A kind of new material that material is combined into.The new material is not only green but also has good mechanical stability, can play
In material the advantages of each component, overcome because being used caused by strength of wood is low, variability is big and organic material modulus of elasticity is low etc.
Limitation, therefore, more and more get more and more people's extensive concerning.
But only focus on mixing or the recycling of several materials in existing macromolecule composite wood-plastic material production process, with
And the improvement of basic mechanical property, do not take into full account various materials compatibility and interface cohesion situation, Interface adhesive strength and
Various materials are in the diffusion at interface, infiltration etc., it is impossible to ensure that string can fully dispersed, wood/modeling circle in macromolecule resin
Face interaction is poor, and both affinity is low, and bond strength is low, thus cause the mechanical property of macromolecule composite wood-plastic material with
Other performances are relatively low;And ageing-resistant performance is weaker, can not continue to apply.
The content of the invention
For drawbacks described above, it is an object of the invention to provide a kind of anti-ageing wood-plastic packaging material and preparation method thereof, leads to
Cross and wood powder and polypropylene plastics are modified respectively, improve the ageing-resistant performance of wood moulding packaging material;By adding the formyl of azo two
The many kinds of substance such as amine improve the interaction force at wood/modeling interface, make its compatibility good.
A kind of preparation method of anti-ageing wood-plastic packaging material, is comprised the following steps:
(1) by 60-70 part wood fibres be crushed to granularity be 80-120 mesh wood powder, add 6-10 parts dimethyl suflfate and
20-30 part polyethylene glycol, is placed in high-pressure reaction vessel, under 4-8MPa pressure, reacts 30-40min, obtains modified wood powder;
(2) by 20-30 parts polypropylene particles, 5-8 parts alkali magnesium sulfate crystal whisker, 3-5 parts endoxan and 1-4 parts to hydroxyl
Propiophenone mixes 5-10min;Subsequent extruded machine melt blending is simultaneously granulated, and obtains modified polypropene particle;
(3) by step (1) modified wood powder and step (2) the modified polypropene mix particles, and 2-4 parts idol is added
Nitrogen diformamide, 1-3 parts cumyl peroxide, 4-9 part 4- butanediol esters and 15-20 part acrylic acid, in 90-120 DEG C of temperature
Stirring reaction 20-40min;
(4) mixture obtained by step (3) is added in extruder, under 175-190 DEG C of temperature, screw speed 25-45rpm
Extrusion;
(5) it is molded after through mould in 190-210 DEG C of temperature, pressure 8-12MPa lower pressed films;It can obtain institute after cooling
State anti-ageing wood-plastic packaging material.
Further, wood fibre described in step (1) is 65 parts, dimethyl suflfate is 8 parts, 28 parts of polyethylene glycol,
Under 6.5MPa pressure, 35min is reacted.
Further, 27 parts of polypropylene particles described in step (2), 6 parts of alkali magnesium sulfate crystal whisker, 4 parts of endoxan and
3 parts of mixing 7min of ethyl-para-hydroxyphenyl ketone.
Further, the extrusion temperature of extruder described in step (2) is 160-180 DEG C, screw speed 20-30rpm.
Further, 3 parts of azodicarbonamide described in step (3), 2 parts of cumyl peroxide, 7 parts of 4- butanediol esters
With 16 parts of acrylic acid;In 108 DEG C of stirring reaction 35min of temperature.
Further, 185 DEG C of temperature, screw speed 35rpm in step (4).
Further, 200 DEG C of temperature, pressure 10MPa described in step (5).
The anti-ageing wood-plastic packaging material being prepared described in above-mentioned any one.
Compared with prior art, its advantage is the present invention:
A kind of preparation method of anti-ageing wood-plastic packaging material of the present invention, passes through dimethyl suflfate and polyethylene glycol pair
Wood fibre surface is modified, and polypropylene particles are carried out by alkali magnesium sulfate crystal whisker, endoxan, ethyl-para-hydroxyphenyl ketone
It is modified, first improve wood fibre and the respective ageing-resistant performance of polypropylene particles.It is then different in azodicarbonamide, peroxidating two
In the presence of propyl benzene, 4- butanediol esters and acrylic acid, the wood/enhancing of modeling interfacial interaction, Interface adhesive strength and various materials
Diffusion, infiltration increase at interface, both affinity improve, and bond strength is high, and compatibility is good, and overall performance is improved.
Embodiment
The present invention is further illustrated with reference to embodiments.
Embodiment 1
(1) 60 parts of wood fibres are crushed to the wood powder that granularity is 80 mesh, add 6 parts of dimethyl suflfates and 20 parts of poly- second two
Alcohol, it is placed in high-pressure reaction vessel, under 4MPa pressure, reacts 40min, obtain modified wood powder;
(2) 20 parts of polypropylene particles, 5 parts of alkali magnesium sulfate crystal whiskers, 5 parts of endoxan and 4 parts of ethyl-para-hydroxyphenyl ketones are mixed
Close stirring 5min;Subsequent extruded machine melt blending is simultaneously granulated, and obtains modified polypropene particle;Extrusion temperature is 160 DEG C, screw rod
Rotating speed 30rpm;
(3) by step (1) modified wood powder and step (2) the modified polypropene mix particles, and 2 parts of azos are added
Diformamide, 1 part of cumyl peroxide, 9 parts of 4- butanediol esters and 15 parts of acrylic acid, in 120 DEG C of stirring reactions of temperature
20min;
(4) mixture obtained by step (3) is added in extruder, extruded under 175 DEG C of temperature, screw speed 25rpm;
(5) it is molded after through mould in 210 DEG C of temperature, pressure 8MPa lower pressed films;It can obtain after cooling described resistance to old
Change wood moulding packaging material.
Embodiment 2
(1) 70 parts of wood fibres are crushed to the wood powder that granularity is 120 mesh, add 10 parts of dimethyl suflfates and 30 parts of poly- second
Glycol, it is placed in high-pressure reaction vessel, under 8MPa pressure, reacts 30min, obtain modified wood powder;
(2) 30 parts of polypropylene particles, 8 parts of alkali magnesium sulfate crystal whiskers, 3 parts of endoxan and 1 part of ethyl-para-hydroxyphenyl ketone are mixed
Close stirring 10min;Subsequent extruded machine melt blending is simultaneously granulated, and obtains modified polypropene particle;Extrusion temperature is 180 DEG C, spiral shell
Bar rotating speed 20rpm;
(3) by step (1) modified wood powder and step (2) the modified polypropene mix particles, and 4 parts of azos are added
Diformamide, 3 parts of cumyl peroxides, 4 parts of 4- butanediol esters and 20 parts of acrylic acid, in 90 DEG C of stirring reaction 40min of temperature;
(4) mixture obtained by step (3) is added in extruder, extruded under 190 DEG C of temperature, screw speed 45rpm;
(5) it is molded after through mould in 190 DEG C of temperature, pressure 12MPa lower pressed films;It can obtain after cooling described resistance to old
Change wood moulding packaging material.
Embodiment 3
(1) 62 parts of wood fibres are crushed to the wood powder that granularity is 100 mesh, add 8 parts of dimethyl suflfates and 26 parts of poly- second
Glycol, it is placed in high-pressure reaction vessel, under 6MPa pressure, reacts 35min, obtain modified wood powder;
(2) 24 parts of polypropylene particles, 7 parts of alkali magnesium sulfate crystal whiskers, 3 parts of endoxan and 4 parts of ethyl-para-hydroxyphenyl ketones are mixed
Close stirring 6min;Subsequent extruded machine melt blending is simultaneously granulated, and obtains modified polypropene particle;Extrusion temperature is 168 DEG C, screw rod
Rotating speed 22rpm;
(3) by step (1) modified wood powder and step (2) the modified polypropene mix particles, and 3 parts of azos are added
Diformamide, 1 part of cumyl peroxide, 8 parts of 4- butanediol esters and 17 parts of acrylic acid, in 100 DEG C of stirring reactions of temperature
28min;
(4) mixture obtained by step (3) is added in extruder, extruded under 180 DEG C of temperature, screw speed 30rpm;
(5) it is molded after through mould in 200 DEG C of temperature, pressure 10MPa lower pressed films;It can obtain after cooling described resistance to old
Change wood moulding packaging material.
Embodiment 4
(1) 68 parts of wood fibres are crushed to the wood powder that granularity is 90 mesh, add 7 parts of dimethyl suflfates and 22 parts of poly- second two
Alcohol, it is placed in high-pressure reaction vessel, under 7MPa pressure, reacts 38min, obtain modified wood powder;
(2) 28 parts of polypropylene particles, 6 parts of alkali magnesium sulfate crystal whiskers, 5 parts of endoxan and 2 parts of ethyl-para-hydroxyphenyl ketones are mixed
Close stirring 9min;Subsequent extruded machine melt blending is simultaneously granulated, and obtains modified polypropene particle;Extrusion temperature is 175 DEG C, screw rod
Rotating speed 27rpm;
(3) by step (1) modified wood powder and step (2) the modified polypropene mix particles, and 4 parts of azos are added
Diformamide, 3 parts of cumyl peroxides, 6 parts of 4- butanediol esters and 19 parts of acrylic acid, in 110 DEG C of stirring reactions of temperature
24min;
(4) mixture obtained by step (3) is added in extruder, extruded under 185 DEG C of temperature, screw speed 40rpm;
(5) it is molded after through mould in 205 DEG C of temperature, pressure 12MPa lower pressed films;It can obtain after cooling described resistance to old
Change wood moulding packaging material.
Embodiment 5
(1) 65 parts of wood fibres are crushed to the wood powder that granularity is 90 mesh, add 8 parts of dimethyl suflfates and 28 parts of poly- second two
Alcohol, it is placed in high-pressure reaction vessel, under 6.5MPa pressure, reacts 35min, obtain modified wood powder;
(2) 27 parts of polypropylene particles, 6 parts of alkali magnesium sulfate crystal whiskers, 4 parts of endoxan and 3 parts of ethyl-para-hydroxyphenyl ketones are mixed
Close stirring 7min;Subsequent extruded machine melt blending is simultaneously granulated, and obtains modified polypropene particle;Extrusion temperature is 175 DEG C, screw rod
Rotating speed 25rpm;
(3) by step (1) modified wood powder and step (2) the modified polypropene mix particles, and 3 parts of azos are added
Diformamide, 2 parts of cumyl peroxides, 7 parts of 4- butanediol esters and 16 parts of acrylic acid, in 108 DEG C of stirring reactions of temperature
35min;
(4) mixture obtained by step (3) is added in extruder, extruded under 185 DEG C of temperature, screw speed 35rpm;
(5) it is molded after through mould in 200 DEG C of temperature, pressure 10MPa lower pressed films;It can obtain after cooling described resistance to old
Change wood moulding packaging material.
To above-mentioned each embodiment anti-ageing wood-plastic packaging material performance test, detailed results see the table below:
The invention is not restricted to embodiment here, those skilled in the art do not depart from the present invention according to the announcement of the present invention
The improvement and modification that category is made all should be within protection scope of the present invention.
Claims (8)
1. a kind of preparation method of anti-ageing wood-plastic packaging material, it is characterised in that comprise the following steps:
(1) 60-70 part wood fibres are crushed to the wood powder that granularity is 80-120 mesh, add 6-10 parts dimethyl suflfate and 20-
30 parts of polyethylene glycol, are placed in high-pressure reaction vessel, under 4-8MPa pressure, react 30-40min, obtain modified wood powder;
(2) by 20-30 parts polypropylene particles, 5-8 parts alkali magnesium sulfate crystal whisker, 3-5 parts endoxan and 1-4 parts para hydroxybenzene third
Ketone mixes 5-10min;Subsequent extruded machine melt blending is simultaneously granulated, and obtains modified polypropene particle;
(3) by step (1) modified wood powder and step (2) the modified polypropene mix particles, and 2-4 parts azo two is added
Formamide, 1-3 parts cumyl peroxide, 4-9 part 4- butanediol esters and 15-20 part acrylic acid, in 90-120 DEG C of stirring of temperature
React 20-40min;
(4) mixture obtained by step (3) is added in extruder, squeezed under 175-190 DEG C of temperature, screw speed 25-45rpm
Go out;
(5) it is molded after through mould in 190-210 DEG C of temperature, pressure 8-12MPa lower pressed films;It can obtain after cooling described resistance to
Aging wood moulding packaging material.
A kind of 2. preparation method of anti-ageing wood-plastic packaging material according to claim 1, it is characterised in that step (1)
Described in wood fibre be 65 parts, dimethyl suflfate is 8 parts, 28 parts of polyethylene glycol, under 6.5MPa pressure, react 35min.
A kind of 3. preparation method of anti-ageing wood-plastic packaging material according to claim 1, it is characterised in that step (2)
Described in 27 parts of polypropylene particles, 6 parts of alkali magnesium sulfate crystal whisker, 4 parts of endoxan and the mixing of 3 parts of ethyl-para-hydroxyphenyl ketone
7min。
A kind of 4. preparation method of anti-ageing wood-plastic packaging material according to claim 1, it is characterised in that step (2)
Described in extruder extrusion temperature be 160-180 DEG C, screw speed 20-30rpm.
A kind of 5. preparation method of anti-ageing wood-plastic packaging material according to claim 1, it is characterised in that step (3)
Described in 16 parts of 3 parts of azodicarbonamide, 2 parts of cumyl peroxide, 7 parts of 4- butanediol esters and acrylic acid;In 108 DEG C of temperature
Stirring reaction 35min.
A kind of 6. preparation method of anti-ageing wood-plastic packaging material according to claim 1, it is characterised in that step (4)
Middle 185 DEG C of temperature, screw speed 35rpm.
A kind of 7. preparation method of anti-ageing wood-plastic packaging material according to claim 1, it is characterised in that step (5)
Described in 200 DEG C of temperature, pressure 10MPa.
8. the anti-ageing wood-plastic packaging material being prepared according to any one of claim 1-7.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710879612.6A CN107793687A (en) | 2017-09-26 | 2017-09-26 | A kind of anti-ageing wood-plastic packaging material and preparation method thereof |
PCT/CN2017/112136 WO2019061757A1 (en) | 2017-09-26 | 2017-11-21 | Aging-resistant wood-plastic packaging material and preparation method therefor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710879612.6A CN107793687A (en) | 2017-09-26 | 2017-09-26 | A kind of anti-ageing wood-plastic packaging material and preparation method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107793687A true CN107793687A (en) | 2018-03-13 |
Family
ID=61532161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710879612.6A Pending CN107793687A (en) | 2017-09-26 | 2017-09-26 | A kind of anti-ageing wood-plastic packaging material and preparation method thereof |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN107793687A (en) |
WO (1) | WO2019061757A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109082135A (en) * | 2018-07-04 | 2018-12-25 | 合肥帧讯低温科技有限公司 | High-strength composite packaging material and preparation method thereof |
WO2019061757A1 (en) * | 2017-09-26 | 2019-04-04 | 苏州市一木包装材料有限公司 | Aging-resistant wood-plastic packaging material and preparation method therefor |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112143215A (en) * | 2020-10-16 | 2020-12-29 | 界首市宏达塑业有限公司 | High-flame-retardant polyurethane plastic particle and preparation method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102417738A (en) * | 2011-11-23 | 2012-04-18 | 常熟钰泰隆摩擦新材料科技有限公司 | Titanium oxide fiber and lignin modified anti-aging wood-plastic composite material and preparation method thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2635908B2 (en) * | 1993-06-14 | 1997-07-30 | 木質新素材技術研究組合 | Wood filler reinforced resin material |
CN102732044B (en) * | 2012-07-20 | 2014-04-09 | 鑫盛(湖州)塑木科技有限公司 | Anti-aging wood-plastic composite material board and preparation method thereof |
CN104231430B (en) * | 2014-08-26 | 2016-09-07 | 广东红运家具有限公司 | The preparation method of anti-soiling aging-resisting Wood-plastic material and goods |
CN104725719A (en) * | 2015-01-19 | 2015-06-24 | 中国科学院合肥物质科学研究院 | Method for preparing wood-plastic material by coating polyacrylate with wood powder |
CN107793687A (en) * | 2017-09-26 | 2018-03-13 | 苏州市木包装材料有限公司 | A kind of anti-ageing wood-plastic packaging material and preparation method thereof |
-
2017
- 2017-09-26 CN CN201710879612.6A patent/CN107793687A/en active Pending
- 2017-11-21 WO PCT/CN2017/112136 patent/WO2019061757A1/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102417738A (en) * | 2011-11-23 | 2012-04-18 | 常熟钰泰隆摩擦新材料科技有限公司 | Titanium oxide fiber and lignin modified anti-aging wood-plastic composite material and preparation method thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019061757A1 (en) * | 2017-09-26 | 2019-04-04 | 苏州市一木包装材料有限公司 | Aging-resistant wood-plastic packaging material and preparation method therefor |
CN109082135A (en) * | 2018-07-04 | 2018-12-25 | 合肥帧讯低温科技有限公司 | High-strength composite packaging material and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
WO2019061757A1 (en) | 2019-04-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102140255B (en) | Hot-press type wood plastic composite for toy and preparation method thereof | |
CN103772819B (en) | A kind of preparation method of polypropylene powdered rice hulls foaming composite pallet | |
CN105542498B (en) | A kind of modified composite material of woods and plastics and preparation method thereof | |
CN102492305B (en) | Formula for preparing wood-plastic composite material from papermaking solid wastes and method thereof | |
CN103360776B (en) | A kind of production technology of high-intensity wood plastic composite | |
CN107793687A (en) | A kind of anti-ageing wood-plastic packaging material and preparation method thereof | |
CN102746579A (en) | Dumbbell and barbell products manufactured from composite material and manufacturing method of dumbbell and barbell products | |
CN102643557A (en) | Novel wood flour and rice hull powder mixed type thermoplastic wood-plastic composite material and preparation method thereof | |
CN108467602A (en) | A method of preparing wood plastic composite using cherry sawdust | |
CN103709775A (en) | Preparation method of high-strength wood-plastic composite section bar | |
CN103642122A (en) | Basalt fiber enhanced wood plastic composite | |
CN102516592A (en) | Preparation method of waste plastic composite material modified by waste circuit board non-metal powder | |
CN109385000A (en) | A kind of fiber reinforcement co-extrusion foaming wood plastic composite and its production technology | |
CN106590005A (en) | Plastic-wood composite floor and preparation method thereof | |
CN104387660A (en) | Non-metal modified polypropylene plastic in waste circuit board and preparation method thereof | |
CN105949807A (en) | Polyvinyl alcohol-based wood-plastic composite and melting processing method thereof | |
CN103642258B (en) | A kind of wood is moulded composite fire-proof sheet material | |
CN106751436B (en) | Phenolaldehyde moulding compound for thin-wall construction | |
CN107141569A (en) | A kind of high rigidity PVC smooth surface wood-plastic boards and preparation method thereof | |
CN102888082A (en) | Composite material and preparation method thereof | |
CN103613842A (en) | High water resistant wood and plastic composite material | |
CN106243761A (en) | A kind of high-intensity wood plastic composite | |
CN105001519A (en) | Gallery frame wood-plastic composite and preparation method thereof | |
CN107118712B (en) | A kind of adhesive, preparation method and application | |
CN104774369A (en) | Method for preparing polyethylene-based wood-plastic composite material by using peanut shell powder |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180313 |
|
WD01 | Invention patent application deemed withdrawn after publication |