CN101708617A - Anti-ageing wood-plastic composite board and preparation method thereof - Google Patents
Anti-ageing wood-plastic composite board and preparation method thereof Download PDFInfo
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- CN101708617A CN101708617A CN200910234603A CN200910234603A CN101708617A CN 101708617 A CN101708617 A CN 101708617A CN 200910234603 A CN200910234603 A CN 200910234603A CN 200910234603 A CN200910234603 A CN 200910234603A CN 101708617 A CN101708617 A CN 101708617A
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Abstract
The invention relates to a wood-plastic composite, in particular to an anti-ageing wood-plastic composite board and a preparation method thereof. The anti-ageing wood-plastic composite board of the invention is manufactured by mechanically mixing and melt-mixing wood meal, calcium carbonate powder, plastic particles, maleic anhydride, stearate, pigment, antibacterial agent, antioxidant and ultraviolet absorber in sequence, and extruding and molding the mixture. The anti-ageing wood-plastic composite board has extremely wide application, is suitable for the industries of architectural decoration, transportation, furniture, municipal administration, gardens and the like, is renewable, has low cost, ageing resistance and ultraviolet resistance, is an ideal material for replacing wood, and is a novel upgraded product of the wood-plastic composite.
Description
Technical field
The present invention relates to a kind of wood plastic composite, particularly relate to a kind of anti-ageing wood-plastic composite board and preparation method thereof.
Background technology
In recent years; enhancing along with people's environmental protection consciousness; environmental friendliness, wood plastic composite renewable, that can be recycled more and more are subject to people's attention; application has related to car interior trim base material; construction and decoration, ornament materials; open-air tables and chairs, stool, Picnic table that occasions such as park, court, street are used, numerous areas such as packaging material and furniture.Wood plastic composite have material homogeneous, size than timber stablize, be difficult for cracking, buckling deformation and do not have defectives such as timber knot, twill; Processability with thermoplastic is extruded, technology such as mold pressing, injection moulding all can be used to moulding, and equipment attrition is little; Goods can be pressed into the beginning of tongue and groove shape, space pattern and other requirement, need not to carry out complicated secondary operations; Can be made into various goods lucuriant in design by adding technologies such as colouring agent, japanning, overlay film or composite skins; In light weight, energy consumption is little; Easy to process, can saw, plane and bonding or be connected and fixed with nail, bolt; Need not utilize poisonous chemical substance to handle, not contain formaldehyde; The outward appearance that timber is arranged is than the high hardness of plastic products.Not only reusable and recycling after discarded, and can biodegradation, help plurality of advantages such as environmental protection, but also exist some obviously not enough, as long-term use, particularly use in the open, aging phenomena such as ftractureing, fade easily, thus shortened its service life, define its scope of application.So, traditional wood plastic composite is carried out modification, it is just very necessary to improve its resistance to ag(e)ing.
Summary of the invention
The objective of the invention is provides a kind of anti-ageing wood-plastic composite board and preparation method thereof at above-mentioned weak point, this sheet material also has characteristics such as ageing-resistant, colour-fast, without putrefaction except that having recyclable, renewable, the higher characteristics such as mechanical property of traditional wood and plastic composite flitch.
The objective of the invention is to be achieved through the following technical solutions:
A kind of anti-ageing wood-plastic composite board is formed by the feedstock production that comprises following parts by weight:
Wood powder 60-100
Paris white 10-16
Plastic pellet 25-35
Maleic anhydride 1-5
Stearate 0.3-0.7
Pigment 0.2-0.3
Antiseptic 0.2-0.3
Antioxidant 0.2-0.3
Ultra-violet absorber 0.2-0.3
A kind of anti-ageing wood-plastic composite board of the present invention, wherein said wood powder particle diameter order number is the 60-80 order.
A kind of anti-ageing wood-plastic composite board of the present invention, wherein said Paris white are precipitated calcium carbonate, and particle diameter order number is 800 orders.
A kind of anti-ageing wood-plastic composite board of the present invention, wherein said plastic pellet adopt a kind of in polyethylene, polypropylene, polystyrene, the polyvinyl chloride.
A kind of anti-ageing wood-plastic composite board of the present invention, wherein said stearate are a kind of in zinc stearate, the calcium stearate.
A kind of anti-ageing wood-plastic composite board of the present invention, wherein said pigment are a kind of in green of iron oxide red, iron oxide yellow, iron oxide black, iron.
A kind of anti-ageing wood-plastic composite board of the present invention, wherein said antiseptic are a kind of in nano zine oxide, the nano phase ag_2 o.
A kind of anti-ageing wood-plastic composite board of the present invention, wherein said antioxidant is β-(3, the 5-di-tert-butyl-hydroxy phenyl) one or both in the positive octadecanol ester of propionic acid, butyl hydroxy toluene, four [β-(3, the 5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester.
A kind of anti-ageing wood-plastic composite board of the present invention, wherein said ultra-violet absorber are UV-531.
Preferably, a kind of anti-ageing wood-plastic composite board is formed by the feedstock production that comprises following parts by weight:
Wood powder 70-90
Paris white 12-14
Plastic pellet 26-34
Maleic anhydride 2-4
Stearate 0.4-0.6
Pigment 0.22-0.28
Antiseptic 0.22-0.28
Antioxidant 0.22-0.28
Ultra-violet absorber 0.22-0.28
More preferably, a kind of anti-ageing wood-plastic composite board is formed by the feedstock production that comprises following parts by weight:
Wood powder 80
Paris white 13
Plastic pellet 28
Maleic anhydride 3
Stearate 0.5
Pigment 0.25
Antiseptic 0.25
Antioxidant 0.25
Ultra-violet absorber 0.25
The preparation method of a kind of anti-ageing wood-plastic composite board of the present invention, it may further comprise the steps:
(1), takes by weighing each raw material by formula ratio;
(2), wood powder, Paris white, maleic anhydride, stearate, pigment, antiseptic, antioxidant, ultra-violet absorber are placed in the mechanical stirring kettle and to stir 6-10 minute;
(3), in above-mentioned compound, add plastic pellet, behind the mixing, adopt extruder to carry out melt blending and granulation, 140 ℃-190 ℃ of extruder barrel temperature, 160 ℃-210 ℃ of die head temperatures obtain the anti-ageing wood-plastic composite particle;
(4), adopt machine with gained anti-ageing wood-plastic composite particle extrusion molding anti-ageing wood-plastic composite board, 145 ℃-190 ℃ of extruder barrel temperature, 150 ℃-205 ℃ of die head temperatures are promptly finished.
A kind of anti-ageing wood-plastic composite board of the present invention, it is convenient to manufacture, and traditional plastic production technology need not to improve and promptly can be used for its production and processing and fabricating, and mechanization degree is higher in the production process, and required labour is less, and production cost is low; A kind of anti-ageing wood-plastic composite board is compared with common plastics sheet material, and used amount of plastic reduces, and is friendly more to environment, modulus is higher, and rigidity is bigger, more creep resistant, simultaneously can carry out twice laid, reduce the products material cost industrial or agricultural leftover pieces such as wood powders; A kind of anti-ageing wood-plastic composite board is compared with other wood plastic composite, have characteristics such as ageing-resistant degree is higher, colour-fast, without putrefaction, longer service life, the interior trim base material that can be widely used in the vehicles such as car, construction and decoration, ornament materials, open-air tables and chairs, stool, Picnic table that occasions such as park, court, municipal administration are used, numerous areas such as packaging material and furniture.
The specific embodiment
Below adopt embodiment to specify a kind of anti-ageing wood-plastic composite board of the present invention and preparation method thereof.
Embodiment 1
Wood powder (70 order) 80 Paris whites 13 polyethylene particles 28
Maleic anhydride 3 zinc stearates 0.5 iron oxide red 0.25
Nano zine oxide 0.25 UV-531 0.22
β-positive octadecanol the ester 0.25 of (3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid
(1), takes by weighing each raw material by formula ratio;
(2), wood powder, Paris white, maleic anhydride, zinc stearate, iron oxide red, nano zine oxide, β-positive octadecanol ester of (3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid and UV-531 are placed the interior stirring of mechanical stirring kettle 8 minutes;
(3), add the vinyon particle in the above-mentioned compound, behind the mixing, adopt extruder to carry out melt blending and granulation, 150 ℃-170 ℃ of extruder barrel temperature, 180 ℃ of die head temperatures obtain the anti-ageing wood-plastic composite particle;
(4), adopt machine with gained anti-ageing wood-plastic composite particle extrusion molding anti-ageing wood-plastic composite board, 150 ℃-170 ℃ of extruder barrel temperature, 175 ℃ of die head temperatures are promptly finished.
Embodiment 2
Wood powder (80 order) 90 Paris whites 14 polystyrene particles 34
Maleic anhydride 2 zinc stearates 0.4 iron oxide yellow 0.22
Nano zine oxide 0.22 UV-531 0.25
Butyl hydroxy toluene 0.28
(1), takes by weighing each raw material by formula ratio;
(2), wood powder, Paris white, maleic anhydride, zinc stearate, iron oxide yellow, nano zine oxide, butyl hydroxy toluene and UV-531 are placed in the mechanical stirring kettle and to stir 10 minutes;
(3), add the polystyrene plastics particle in the above-mentioned compound, behind the mixing, adopt extruder to carry out melt blending and granulation, 160 ℃-190 ℃ of extruder barrel temperature, 210 ℃ of die head temperatures obtain the anti-ageing wood-plastic composite particle;
(4), adopt machine with gained anti-ageing wood-plastic composite particle extrusion molding anti-ageing wood-plastic composite board, 170 ℃-190 ℃ of extruder barrel temperature, 205 ℃ of die head temperatures are promptly finished.
Embodiment 3
Wood powder (80 order) 60 Paris whites 10 particulate polyvinyl chlorides 35
Maleic anhydride 4 calcium stearates 0.3 iron green 0.28
Nano phase ag_2 o 0.25 UV-531 0.3
β-positive octadecanol the ester 0.14 of (3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid
Butyl hydroxy toluene 0.14
(1), takes by weighing each raw material by formula ratio;
(2), wood powder, Paris white, maleic anhydride, calcium stearate, iron is green, nano phase ag_2 o, butyl hydroxy toluene, β-positive octadecanol ester of (3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid and UV-531 place in the mechanical stirring kettle and stirred 8 minutes;
(3), add the igelite particle in the above-mentioned compound, behind the mixing, adopt extruder to carry out melt blending and granulation, 140 ℃-175 ℃ of extruder barrel temperature, 160 ℃ of die head temperatures obtain the anti-ageing wood-plastic composite particle;
(4), adopt machine with gained anti-ageing wood-plastic composite particle extrusion molding anti-ageing wood-plastic composite board, 145 ℃-170 ℃ of extruder barrel temperature, 185 ℃ of die head temperatures are promptly finished.
Embodiment 4
Wood powder (60 order) 100 Paris whites 16 polypropylene particles 26
Maleic anhydride 5 calcium stearates 0.7 iron oxide black 0.3
Nano phase ag_2 o 0.28 UV-531 0.3
Four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester 0.22
(1), takes by weighing each raw material by formula ratio;
(2), wood powder, Paris white, maleic anhydride, calcium stearate, iron oxide black, nano phase ag_2 o, four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester and UV-531 are placed the interior stirring of mechanical stirring kettle 6 minutes;
(3), add the polypropylene plastics particle in the above-mentioned compound, behind the mixing, adopt extruder to carry out melt blending and granulation, 165 ℃-190 ℃ of extruder barrel temperature, 170 ℃ of die head temperatures obtain the anti-ageing wood-plastic composite particle;
(4), adopt machine with gained anti-ageing wood-plastic composite particle extrusion molding anti-ageing wood-plastic composite board, 140 ℃-190 ℃ of extruder barrel temperature, 200 ℃ of die head temperatures are promptly finished.
Embodiment 5
Wood powder (70 order) 90 Paris whites 10 polypropylene particles 28
Maleic anhydride 1 calcium stearate 0.6 iron oxide black 0.2
Nano zine oxide 0.2 UV-531 0.2
Four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester 0.15
Butyl hydroxy toluene 0.15
(1), takes by weighing each raw material by formula ratio;
(2), wood powder, Paris white, maleic anhydride, calcium stearate, iron oxide black, zinc oxide, four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester, butyl hydroxy toluene and UV-531 are placed the interior stirring of mechanical stirring kettle 7 minutes;
(3), add the polypropylene plastics particle in the above-mentioned compound, behind the mixing, adopt extruder to carry out melt blending and granulation, 155 ℃-185 ℃ of extruder barrel temperature, 190 ℃ of die head temperatures obtain the anti-ageing wood-plastic composite particle;
(4), adopt machine with gained anti-ageing wood-plastic composite particle extrusion molding anti-ageing wood-plastic composite board, 155 ℃-185 ℃ of extruder barrel temperature, 185 ℃ of die head temperatures are promptly finished.
Embodiment 6
Wood powder (80 order) 70 Paris whites 12 polyethylene particles 25
Maleic anhydride 2.6 zinc stearates 0.52 iron oxide red 0.24
Nano zine oxide 0.3 UV-531 0.28
β-positive octadecanol the ester 0.15 of (3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid
Four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester 0.05
(1), takes by weighing each raw material by formula ratio;
(2), with wood powder, Paris white, maleic anhydride, calcium stearate, iron oxide red, nano zine oxide, the β-positive octadecanol ester of (3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid, four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester 0.15
And UV-531 places, and mechanical stirring kettle is interior to be stirred 9 minutes;
(3), add the vinyon particle in the above-mentioned compound, behind the mixing, adopt extruder to carry out melt blending and granulation, 145 ℃-175 ℃ of extruder barrel temperature, 185 ℃ of die head temperatures obtain the anti-ageing wood-plastic composite particle;
(4), adopt machine with gained anti-ageing wood-plastic composite particle extrusion molding anti-ageing wood-plastic composite board, 160 ℃-178 ℃ of extruder barrel temperature, 150 ℃ of die head temperatures are promptly finished.
Below by detecting the effect of the anti-ageing wood-plastic composite board that proves the embodiment of the invention 1, its testing result is as follows:
MOR: greater than 23MPa, quiet bent modulus: greater than 1.6GPa
90 ℃ of following thermo-oxidative ageing 3000h, the MOR conservation rate: greater than 85%, quiet bent modulus conservation rate: greater than 88%, phenomenons such as no efflorescence, cracking
Ultraviolet light and aging 2000h, the MOR conservation rate: greater than 85%, quiet bent modulus conservation rate: greater than 85%, phenomenons such as no efflorescence, cracking
Above result all meets or exceeds relevant criterion.
Claims (12)
1. anti-ageing wood-plastic composite board is formed by the feedstock production of following parts by weight:
Wood powder 60-100
Paris white 10-16
Plastic pellet 25-35
Maleic anhydride 1-5
Stearate 0.3-0.7
Pigment 0.2-0.3
Antiseptic 0.2-0.3
Antioxidant 0.2-0.3
Ultra-violet absorber 0.2-0.3
2. a kind of anti-ageing wood-plastic composite board according to claim 1 is formed by the feedstock production of following parts by weight:
Wood powder 70-90
Paris white 12-14
Plastic pellet 26-34
Maleic anhydride 2-4
Stearate 0.4-0.6
Pigment 0.22-0.28
Antiseptic 0.22-0.28
Antioxidant 0.22-0.28
Ultra-violet absorber 0.22-0.28
3. a kind of anti-ageing wood-plastic composite board according to claim 2 is formed by the feedstock production of following parts by weight:
Wood powder 80
Paris white 13
Plastic pellet 28
Maleic anhydride 3
Stearate 0.5
Pigment 0.25
Antiseptic 0.25
Antioxidant 0.25
Ultra-violet absorber 0.25
4. according to the described a kind of anti-ageing wood-plastic composite board of the arbitrary claim of claim 1-3, it is characterized in that described wood powder particle diameter order number is the 60-80 order.
5. according to the described a kind of anti-ageing wood-plastic composite board of the arbitrary claim of claim 1-3, it is characterized in that described Paris white is a precipitated calcium carbonate, particle diameter order number is 800 orders.
6. according to the described a kind of anti-ageing wood-plastic composite board of the arbitrary claim of claim 1-3, it is characterized in that described plastic pellet adopts in polyethylene, polypropylene, the polystyrene, polyvinyl chloride a kind of.
7. according to the described a kind of anti-ageing wood-plastic composite board of the arbitrary claim of claim 1-3, it is characterized in that described stearate is a kind of in zinc stearate, the calcium stearate.
8. according to the described a kind of anti-ageing wood-plastic composite board of the arbitrary claim of claim 1-3, it is characterized in that described pigment is a kind of in green of iron oxide red, iron oxide yellow, iron oxide black, iron.
9. according to the described a kind of anti-ageing wood-plastic composite board of the arbitrary claim of claim 1-3, it is characterized in that described antiseptic is a kind of in nano zine oxide, the nano phase ag_2 o.
10. according to the described a kind of anti-ageing wood-plastic composite board of the arbitrary claim of claim 1-3, it is characterized in that described antioxidant is β-(3, the 5-di-tert-butyl-hydroxy phenyl) one or both in the positive octadecanol ester of propionic acid, butyl hydroxy toluene, four [β-(3, the 5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester.
11., it is characterized in that described ultra-violet absorber is a UV-531 according to the described a kind of anti-ageing wood-plastic composite board of the arbitrary claim of claim 1-3.
12., it is characterized in that its preparation process is according to the described a kind of anti-ageing wood-plastic composite board of the arbitrary claim of claim 1-3:
(1), takes by weighing each raw material by formula ratio;
(2), wood powder, Paris white, maleic anhydride, stearate, pigment, antiseptic, antioxidant, ultra-violet absorber are placed in the mechanical stirring kettle and to stir 6-10 minute;
(3), in above-mentioned compound, add plastic pellet, behind the mixing, adopt extruder to carry out melt blending and granulation, 140 ℃-190 ℃ of extruder barrel temperature, 160 ℃-210 ℃ of die head temperatures obtain the anti-ageing wood-plastic composite particle;
(4), adopt machine with gained anti-ageing wood-plastic composite particle extrusion molding anti-ageing wood-plastic composite board, 145 ℃-190 ℃ of extruder barrel temperature, 150 ℃-205 ℃ of die head temperatures are promptly finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102346037A CN101708617B (en) | 2009-11-25 | 2009-11-25 | Anti-ageing wood-plastic composite board and preparation method thereof |
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| CN2009102346037A CN101708617B (en) | 2009-11-25 | 2009-11-25 | Anti-ageing wood-plastic composite board and preparation method thereof |
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| CN101708617A true CN101708617A (en) | 2010-05-19 |
| CN101708617B CN101708617B (en) | 2012-05-09 |
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| CN102277001A (en) * | 2011-08-15 | 2011-12-14 | 江苏福瑞森塑木科技有限公司 | Micro nanometer-enhanced wood plastic composite board and preparation method thereof |
| CN102732044A (en) * | 2012-07-20 | 2012-10-17 | 鑫盛(湖州)塑木科技有限公司 | Anti-aging wood-plastic composite material board and preparation method thereof |
| CN103073906A (en) * | 2013-02-05 | 2013-05-01 | 山西峰岩新型建材股份有限公司 | Polyethylene wood plastic and preparation method thereof |
| CN104763096A (en) * | 2013-03-21 | 2015-07-08 | 叶长青 | Preparation method for partition plate |
| CN105330939A (en) * | 2015-11-23 | 2016-02-17 | 宁波尚高新材料有限公司 | Antibacterial and anticorrosion wood-plastic composite for building and preparation method of antibacterial and anticorrosion wood-plastic composite |
| CN105694504A (en) * | 2016-03-01 | 2016-06-22 | 聊城金新建筑节能股份有限公司 | Novel PE wood-plastic profile and preparation method thereof |
| CN105713405A (en) * | 2015-09-18 | 2016-06-29 | 安徽省申运木业有限公司 | PP-based ultraviolet-proof wood-plastic composite board and preparation method thereof |
| CN105949568A (en) * | 2016-05-25 | 2016-09-21 | 南通慧源塑胶有限公司 | Antibacterial environment-friendly wood-plastic composite material |
| CN106182301A (en) * | 2016-07-21 | 2016-12-07 | 三江县善茶轩工艺品有限公司 | The processing method of bamboo flooring |
| CN107974095A (en) * | 2017-12-26 | 2018-05-01 | 浙江王斌装饰材料有限公司 | A kind of environment-protection nano antibiosis wood plastic PVC board and preparation method thereof |
| CN108741677A (en) * | 2018-05-17 | 2018-11-06 | 阜南县富昌恒业工艺品有限公司 | A kind of red wooden tea table |
| CN111113598A (en) * | 2019-12-24 | 2020-05-08 | 江苏林德曼新材料科技有限公司 | Aging-resistant treatment process for improving balsawood by nano ZnO coating |
| CN111421931A (en) * | 2020-03-04 | 2020-07-17 | 江苏福瑞森塑木科技股份有限公司 | Lightweight anticorrosive antique plastic-wood composite material plate and preparation method thereof |
| CN112428643A (en) * | 2020-12-04 | 2021-03-02 | 东莞承达家居有限公司 | Antibacterial and mildewproof furniture material |
| CN112940518A (en) * | 2021-04-22 | 2021-06-11 | 佳诺威集团股份有限公司 | Wood-plastic composite material and preparation method thereof |
| CN114957830A (en) * | 2022-04-19 | 2022-08-30 | 财纳福诺木业(中国)有限公司 | Panel substrate |
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2009
- 2009-11-25 CN CN2009102346037A patent/CN101708617B/en not_active Expired - Fee Related
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| CN102277001A (en) * | 2011-08-15 | 2011-12-14 | 江苏福瑞森塑木科技有限公司 | Micro nanometer-enhanced wood plastic composite board and preparation method thereof |
| CN102732044A (en) * | 2012-07-20 | 2012-10-17 | 鑫盛(湖州)塑木科技有限公司 | Anti-aging wood-plastic composite material board and preparation method thereof |
| CN103073906A (en) * | 2013-02-05 | 2013-05-01 | 山西峰岩新型建材股份有限公司 | Polyethylene wood plastic and preparation method thereof |
| CN104763096B (en) * | 2013-03-21 | 2017-02-01 | 叶长青 | Preparation method for partition plate |
| CN104763096A (en) * | 2013-03-21 | 2015-07-08 | 叶长青 | Preparation method for partition plate |
| CN105713405A (en) * | 2015-09-18 | 2016-06-29 | 安徽省申运木业有限公司 | PP-based ultraviolet-proof wood-plastic composite board and preparation method thereof |
| CN105330939A (en) * | 2015-11-23 | 2016-02-17 | 宁波尚高新材料有限公司 | Antibacterial and anticorrosion wood-plastic composite for building and preparation method of antibacterial and anticorrosion wood-plastic composite |
| CN105694504A (en) * | 2016-03-01 | 2016-06-22 | 聊城金新建筑节能股份有限公司 | Novel PE wood-plastic profile and preparation method thereof |
| CN105949568A (en) * | 2016-05-25 | 2016-09-21 | 南通慧源塑胶有限公司 | Antibacterial environment-friendly wood-plastic composite material |
| CN106182301A (en) * | 2016-07-21 | 2016-12-07 | 三江县善茶轩工艺品有限公司 | The processing method of bamboo flooring |
| CN107974095A (en) * | 2017-12-26 | 2018-05-01 | 浙江王斌装饰材料有限公司 | A kind of environment-protection nano antibiosis wood plastic PVC board and preparation method thereof |
| CN108741677A (en) * | 2018-05-17 | 2018-11-06 | 阜南县富昌恒业工艺品有限公司 | A kind of red wooden tea table |
| CN111113598A (en) * | 2019-12-24 | 2020-05-08 | 江苏林德曼新材料科技有限公司 | Aging-resistant treatment process for improving balsawood by nano ZnO coating |
| CN111421931A (en) * | 2020-03-04 | 2020-07-17 | 江苏福瑞森塑木科技股份有限公司 | Lightweight anticorrosive antique plastic-wood composite material plate and preparation method thereof |
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| CN112940518A (en) * | 2021-04-22 | 2021-06-11 | 佳诺威集团股份有限公司 | Wood-plastic composite material and preparation method thereof |
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