CN102746686B - High-impact-resistance plastic-wood composite board and preparation method thereof - Google Patents
High-impact-resistance plastic-wood composite board and preparation method thereof Download PDFInfo
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- CN102746686B CN102746686B CN201210261193.7A CN201210261193A CN102746686B CN 102746686 B CN102746686 B CN 102746686B CN 201210261193 A CN201210261193 A CN 201210261193A CN 102746686 B CN102746686 B CN 102746686B
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Abstract
The invention relates to a high-impact-resistance plastic-wood composite board and a preparation method of the plastic-wood composite board. The preparation method comprises the steps of: stirring plastic particles and nano titanium dioxide, and carrying out extrusion granulating to obtain high-impact-resistance plastic particles; then uniformly mixing the high-impact-resistance plastic particles, wood flour, LDPE-g-GMA (low-density polyethylene-graft-glycidyl methacrylate), talcum, terpine resin, EPDM (ethylene propylene diene monomer), butyl stearate and oxidized polyethylene, and carrying out fusion blending and extrusion granulating by adopting an extruder to obtain plastic-wood composite particles; and finally carrying out extrusion forming on the plastic-wood composite particles by adopting an extruder to obtain the high-impact-resistance plastic-wood composite board. The high-impact-resistance plastic-wood composite board is convenient to produce and manufacture, low in production cost, low in plastic consumption, environment-friendly, good in impact resistance, long in service life and wide in application range, and can be widely applied to municipal roads, building and hall places, household and offices, packaging and transportation and other occasions or fields.
Description
Technical field
The present invention relates to a kind of wood plastic composite board, particularly relate to a kind of high-impact wood plastic composite board and preparation method thereof.
Background technology
Wood plastic composite is that fluoropolymer resin and lignocellulosic material (wood chip, bamboo powder, rice husk, straw stalk etc.) are mixed by a certain percentage, and adds special auxiliary agent, the effigurate matrix material of tool of making through techniques such as high temperature extruding formings.Be a kind of environmental protection, pollution-free, alternative timber, plastic, and high-tech product that can 100% reclaiming, be described as " new green environment protection matrix material ".Common wood-plastic composite material products has several large types of structure class, decorative kind, packaging group and special type class, comprise the multiple series such as wire rod, section bar, sheet material, sheet material and profiled material, its scope of application almost can contain the present use field of all logs, plastics, plastic-steel, aluminium alloy and other similar matrix materials, has started to enter the industries such as building, house ornamentation, furniture, logistics, packaging, gardens, municipal administration, environmental protection, military affairs, physical culture.Wood plastic composite has five large features: raw material resources, and its starting material have been realized the comprehensive utilization of resource and have effectively been utilized; Product plasticization, can produce the goods of different performance and shape according to requirements; What use environmental protection moulds the equal safety and environmental protection of wooden base material, usual auxiliaries and final product; Cost economization, has realized the transfer of low value material to high value added product; Reclaiming, its scrap products and reclaim the regeneration that waste material all can 100%.But in traditional Wood plastic composite owing to having used in a large number the plant fiber powders such as wood powder and mineral filler, General Mechanics performance is not high, particularly shock resistance is poor, in production, transport, storage or use procedure, because the collision of a variety of causes tends to cause plastic wood sheet cracking, local shedding, even rupture etc., thereby affected its result of use and work-ing life.So, traditional wood plastic composite board is carried out to modification, improve its mechanical property including shock strength, just very necessary to meet the application needs of more occasions.
Summary of the invention
The object of the invention is provides a kind of high-impact wood plastic composite board and preparation method thereof for above-mentioned weak point.
The object of the invention is to be achieved through the following technical solutions:
A kind of high-impact wood plastic composite board, is prepared from by the raw material that comprises following parts by weight:
Plastic pellet 50
Wood powder 50-70
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 5-10
Nano titanium oxide 1-3
Talcum powder 4-8
Terpine resin 0.6-1
Terpolymer EP rubber (EPDM) 1-2
Butyl stearate 2-4
Oxidic polyethylene 2-4
A kind of high-impact wood plastic composite board of the present invention, wherein said plastic pellet is the one in polyethylene, polypropylene, polystyrene.
A kind of high-impact wood plastic composite board of the present invention, wherein said wood powder particle diameter is 60-100 order.
A kind of high-impact wood plastic composite board of the present invention, wherein said nano titanium oxide particle diameter 20-60nm.
A kind of high-impact wood plastic composite board of the present invention, wherein said talcum powder particle diameter is 1000-2000 order.
Preferably, a kind of high-impact wood plastic composite board, is prepared from by the raw material that comprises following parts by weight:
Plastic pellet 50
Wood powder 55-65
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 6-9
Nano titanium oxide 1.5-2.5
Talcum powder 5-7
Terpine resin 0.7-0.9
Terpolymer EP rubber (EPDM) 1.2-1.8
Butyl stearate 2.5-3.5
Oxidic polyethylene 2.5-3.5
More preferably, a kind of high-impact wood plastic composite board, is prepared from by the raw material that comprises following parts by weight:
Plastic pellet 50
Wood powder 60
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 7.5
Nano titanium oxide 2
Talcum powder 6
Terpine resin 0.8
Terpolymer EP rubber (EPDM) 1.5
Butyl stearate 3
Oxidic polyethylene 3
The preparation method of a kind of high-impact wood plastic composite board of the present invention, it comprises the following steps:
(1) take each raw material by formula ratio;
(2) plastic pellet, nano titanium oxide are placed in mechanical stirring kettle and stir 10-20 minute, then extruding pelletization, extruder barrel temperature 170-190 DEG C, die head temperature 170-200 DEG C, obtains high-impact plastic pellet;
(3) above-mentioned high-impact plastic pellet, wood powder, LDPE-g-GMA, talcum powder, terpine resin, EPDM, butyl stearate and oxidic polyethylene are placed in mechanical stirring kettle and mechanical stirring 20-40 minute again;
(4), after mixing, adopt forcing machine to carry out melt blending extruding pelletization, extruder barrel temperature 175-205 DEG C, die head temperature 180-210 DEG C, obtains Wood plastic composite particle;
(5) adopt forcing machine the extrusion moulding of above-mentioned Wood plastic composite particle to be obtained to high-impact wood plastic composite board, extruder barrel temperature 170-210 DEG C, die head temperature 170-220 DEG C.
A kind of high-impact wood plastic composite board of the present invention, it is convenient to manufacture, and traditional wood-plastic composite material manufacturing technique can be used for its production and processing without improving, and in production process, mechanization degree is higher, and required labor force is less, and production cost is low.High-impact wood plastic composite board is compared with common plastics sheet material, and quantity of plastics is few, more friendly to environment, and shock resistance is better, can carry out utilization of waste material to this industrial or agricultural scrap stock of wood powder simultaneously, reduces products material cost; High-impact wood plastic composite board is compared with other wood plastic composite board, mechanical property, particularly shock resistance is more excellent, thereby in use, though bump be also not easy destroyed, longer service life, use range is wider.High-impact wood plastic composite board can be widely used in many occasions or the fields such as town road, office building, auditoriums, hotels, telecommuting, packed and transported.
Embodiment
Below adopt embodiment to illustrate a kind of high-impact wood plastic composite board of the present invention and preparation method thereof.
Embodiment 1
Plastic pellet (polypropylene) 50kg
Wood powder (80 order) 60kg
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 7.5kg
Nano titanium oxide (40nm) 2kg
Talcum powder (1500 order) 6kg
Terpine resin 0.8kg
Terpolymer EP rubber (EPDM) 1.5kg
Butyl stearate 3kg
Oxidic polyethylene 3kg
The preparation method of a kind of high-impact wood plastic composite board of the present invention, it comprises the following steps:
(1) take each raw material by formula ratio;
(2) plastic pellet, nano titanium oxide are placed in mechanical stirring kettle and are stirred 15 minutes, then extruding pelletization, 180 DEG C of extruder barrel temperature, 185 DEG C of die head temperatures, obtain high-impact plastic pellet;
(3) above-mentioned high-impact plastic pellet, wood powder, LDPE-g-GMA, talcum powder, terpine resin, EPDM, butyl stearate and oxidic polyethylene are placed in mechanical stirring kettle and mechanical stirring 30 minutes again;
(4), after mixing, adopt forcing machine to carry out melt blending extruding pelletization, 190 DEG C of extruder barrel temperature, 195 DEG C of die head temperatures, obtain Wood plastic composite particle;
(5) adopt forcing machine the extrusion moulding of above-mentioned Wood plastic composite particle to be obtained to high-impact wood plastic composite board, 190 DEG C of extruder barrel temperature, 195 DEG C of die head temperatures.
Embodiment 2
Plastic pellet (polyethylene) 50kg
Wood powder (60 order) 55kg
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 6kg
Nano titanium oxide (20nm) 1.5kg
Talcum powder (1000 order) 5kg
Terpine resin 0.7kg
Terpolymer EP rubber (EPDM) 1.2kg
Butyl stearate 2.5kg
Oxidic polyethylene 2.5kg
The preparation method of a kind of high-impact wood plastic composite board of the present invention, it comprises the following steps:
(1) take each raw material by formula ratio;
(2) plastic pellet, nano titanium oxide are placed in mechanical stirring kettle and are stirred 10 minutes, then extruding pelletization, 170 DEG C of extruder barrel temperature, 170 DEG C of die head temperatures, obtain high-impact plastic pellet;
(3) above-mentioned high-impact plastic pellet, wood powder, LDPE-g-GMA, talcum powder, terpine resin, EPDM, butyl stearate and oxidic polyethylene are placed in mechanical stirring kettle and mechanical stirring 20 minutes again;
(4), after mixing, adopt forcing machine to carry out melt blending extruding pelletization, 175 DEG C of extruder barrel temperature, 180 DEG C of die head temperatures, obtain Wood plastic composite particle;
(5) adopt forcing machine the extrusion moulding of above-mentioned Wood plastic composite particle to be obtained to high-impact wood plastic composite board, 170 DEG C of extruder barrel temperature, 170 DEG C of die head temperatures.
Embodiment 3
Plastic pellet (polystyrene) 50kg
Wood powder (100 order) 65kg
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 9kg
Nano titanium oxide (60nm) 2.5kg
Talcum powder (2000 order) 7kg
Terpine resin 0.9kg
Terpolymer EP rubber (EPDM) 1.8kg
Butyl stearate 3.5kg
Oxidic polyethylene 3.5kg
The preparation method of a kind of high-impact wood plastic composite board of the present invention, it comprises the following steps:
(1) take each raw material by formula ratio;
(2) plastic pellet, nano titanium oxide are placed in mechanical stirring kettle and are stirred 20 minutes, then extruding pelletization, 190 DEG C of extruder barrel temperature, 200 DEG C of die head temperatures, obtain high-impact plastic pellet;
(3) above-mentioned high-impact plastic pellet, wood powder, LDPE-g-GMA, talcum powder, terpine resin, EPDM, butyl stearate and oxidic polyethylene are placed in mechanical stirring kettle and mechanical stirring 40 minutes again;
(4), after mixing, adopt forcing machine to carry out melt blending extruding pelletization, 205 DEG C of extruder barrel temperature, 210 DEG C of die head temperatures, obtain Wood plastic composite particle;
(5) adopt forcing machine the extrusion moulding of above-mentioned Wood plastic composite particle to be obtained to high-impact wood plastic composite board, 210 DEG C of extruder barrel temperature, 220 DEG C of die head temperatures.
Embodiment 4
Plastic pellet (polyethylene) 50kg
Wood powder (80 order) 50kg
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 5kg
Nano titanium oxide (40nm) 1kg
Talcum powder (1500 order) 4kg
Terpine resin 0.6kg
Terpolymer EP rubber (EPDM) 1kg
Butyl stearate 2kg
Oxidic polyethylene 2kg
The preparation method of a kind of high-impact wood plastic composite board of the present invention, it comprises the following steps:
(1) take each raw material by formula ratio;
(2) plastic pellet, nano titanium oxide are placed in mechanical stirring kettle and are stirred 20 minutes, then extruding pelletization, 170 DEG C of extruder barrel temperature, 185 DEG C of die head temperatures, obtain high-impact plastic pellet;
(3) above-mentioned high-impact plastic pellet, wood powder, LDPE-g-GMA, talcum powder, terpine resin, EPDM, butyl stearate and oxidic polyethylene are placed in mechanical stirring kettle and mechanical stirring 40 minutes again;
(4), after mixing, adopt forcing machine to carry out melt blending extruding pelletization, 175 DEG C of extruder barrel temperature, 195 DEG C of die head temperatures, obtain Wood plastic composite particle;
(5) adopt forcing machine the extrusion moulding of above-mentioned Wood plastic composite particle to be obtained to high-impact wood plastic composite board, 170 DEG C of extruder barrel temperature, 195 DEG C of die head temperatures.
Embodiment 5
Plastic pellet (polystyrene) 50kg
Wood powder (60 order) 70kg
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 10kg
Nano titanium oxide (20nm) 3kg
Talcum powder (1000 order) 8kg
Terpine resin 1kg
Terpolymer EP rubber (EPDM) 2kg
Butyl stearate 4kg
Oxidic polyethylene 4kg
The preparation method of a kind of high-impact wood plastic composite board of the present invention, it comprises the following steps:
(1) take each raw material by formula ratio;
(2) plastic pellet, nano titanium oxide are placed in mechanical stirring kettle and are stirred 10 minutes, then extruding pelletization, 180 DEG C of extruder barrel temperature, 200 DEG C of die head temperatures, obtain high-impact plastic pellet;
(3) above-mentioned high-impact plastic pellet, wood powder, LDPE-g-GMA, talcum powder, terpine resin, EPDM, butyl stearate and oxidic polyethylene are placed in mechanical stirring kettle and mechanical stirring 20 minutes again;
(4), after mixing, adopt forcing machine to carry out melt blending extruding pelletization, 190 DEG C of extruder barrel temperature, 210 DEG C of die head temperatures, obtain Wood plastic composite particle;
(5) adopt forcing machine the extrusion moulding of above-mentioned Wood plastic composite particle to be obtained to high-impact wood plastic composite board, 190 DEG C of extruder barrel temperature, 220 DEG C of die head temperatures.
Embodiment 6
Plastic pellet (polypropylene) 50kg
Wood powder (100 order) 50kg
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 6kg
Nano titanium oxide (60nm) 2kg
Talcum powder (1000 order) 5kg
Terpine resin 0.6kg
Terpolymer EP rubber (EPDM) 1.2kg
Butyl stearate 3kg
Oxidic polyethylene 2.5kg
The preparation method of a kind of high-impact wood plastic composite board of the present invention, it comprises the following steps:
(1) take each raw material by formula ratio;
(2) plastic pellet, nano titanium oxide are placed in mechanical stirring kettle and are stirred 15 minutes, then extruding pelletization, 190 DEG C of extruder barrel temperature, 170 DEG C of die head temperatures, obtain high-impact plastic pellet;
(3) above-mentioned high-impact plastic pellet, wood powder, LDPE-g-GMA, talcum powder, terpine resin, EPDM, butyl stearate and oxidic polyethylene are placed in mechanical stirring kettle and mechanical stirring 30 minutes again;
(4), after mixing, adopt forcing machine to carry out melt blending extruding pelletization, 205 DEG C of extruder barrel temperature, 180 DEG C of die head temperatures, obtain Wood plastic composite particle;
(5) adopt forcing machine the extrusion moulding of above-mentioned Wood plastic composite particle to be obtained to high-impact wood plastic composite board, 190 DEG C of extruder barrel temperature, 195 DEG C of die head temperatures.
Embodiment 7
Plastic pellet (polyethylene) 50kg
Wood powder (100 order) 70kg
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 7.5kg
Nano titanium oxide (60nm) 2.5kg
Talcum powder (2000 order) 8kg
Terpine resin 0.9kg
Terpolymer EP rubber (EPDM) 1.5kg
Butyl stearate 3.5kg
Oxidic polyethylene 4kg
The preparation method of a kind of high-impact wood plastic composite board of the present invention, it comprises the following steps:
(1) take each raw material by formula ratio;
(2) plastic pellet, nano titanium oxide are placed in mechanical stirring kettle and are stirred 20 minutes, then extruding pelletization, 180 DEG C of extruder barrel temperature, 170 DEG C of die head temperatures, obtain high-impact plastic pellet;
(3) above-mentioned high-impact plastic pellet, wood powder, LDPE-g-GMA, talcum powder, terpine resin, EPDM, butyl stearate and oxidic polyethylene are placed in mechanical stirring kettle and mechanical stirring 40 minutes again;
(4), after mixing, adopt forcing machine to carry out melt blending extruding pelletization, 190 DEG C of extruder barrel temperature, 180 DEG C of die head temperatures, obtain Wood plastic composite particle;
(5) adopt forcing machine the extrusion moulding of above-mentioned Wood plastic composite particle to be obtained to high-impact wood plastic composite board, 190 DEG C of extruder barrel temperature, 170 DEG C of die head temperatures.
Embodiment 8
Plastic pellet (polystyrene) 50kg
Wood powder (80 order) 55kg
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 5kg
Nano titanium oxide (40nm) 1.5kg
Talcum powder (1000 order) 7kg
Terpine resin 0.8kg
Terpolymer EP rubber (EPDM) 1kg
Butyl stearate 2.5kg
Oxidic polyethylene 3.5kg
The preparation method of a kind of high-impact wood plastic composite board of the present invention, it comprises the following steps:
(1) take each raw material by formula ratio;
(2) plastic pellet, nano titanium oxide are placed in mechanical stirring kettle and are stirred 15 minutes, then extruding pelletization, 190 DEG C of extruder barrel temperature, 185 DEG C of die head temperatures, obtain high-impact plastic pellet;
(3) above-mentioned high-impact plastic pellet, wood powder, LDPE-g-GMA, talcum powder, terpine resin, EPDM, butyl stearate and oxidic polyethylene are placed in mechanical stirring kettle and mechanical stirring 30 minutes again;
(4), after mixing, adopt forcing machine to carry out melt blending extruding pelletization, 205 DEG C of extruder barrel temperature, 195 DEG C of die head temperatures, obtain Wood plastic composite particle;
(5) adopt forcing machine the extrusion moulding of above-mentioned Wood plastic composite particle to be obtained to high-impact wood plastic composite board, 190 DEG C of extruder barrel temperature, 220 DEG C of die head temperatures.
Embodiment 9
Plastic pellet (polypropylene) 50kg
Wood powder (60 order) 60kg
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 9kg
Nano titanium oxide (20nm) 3kg
Talcum powder (2000 order) 6kg
Terpine resin 0.7kg
Terpolymer EP rubber (EPDM) 2kg
Butyl stearate 4kg
Oxidic polyethylene 3kg
The preparation method of a kind of high-impact wood plastic composite board of the present invention, it comprises the following steps:
(1) take each raw material by formula ratio;
(2) plastic pellet, nano titanium oxide are placed in mechanical stirring kettle and are stirred 10 minutes, then extruding pelletization, 190 DEG C of extruder barrel temperature, 185 DEG C of die head temperatures, obtain high-impact plastic pellet;
(3) above-mentioned high-impact plastic pellet, wood powder, LDPE-g-GMA, talcum powder, terpine resin, EPDM, butyl stearate and oxidic polyethylene are placed in mechanical stirring kettle and mechanical stirring 20 minutes again;
(4), after mixing, adopt forcing machine to carry out melt blending extruding pelletization, 205 DEG C of extruder barrel temperature, 195 DEG C of die head temperatures, obtain Wood plastic composite particle;
(5) adopt forcing machine the extrusion moulding of above-mentioned Wood plastic composite particle to be obtained to high-impact wood plastic composite board, 170 DEG C of extruder barrel temperature, 195 DEG C of die head temperatures.
Embodiment 10
Plastic pellet (polyethylene) 50kg
Wood powder (80 order) 65kg
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 10kg
Nano titanium oxide (40nm) 1kg
Talcum powder (1500 order) 4kg
Terpine resin 1kg
Terpolymer EP rubber (EPDM) 1.8kg
Butyl stearate 2kg
Oxidic polyethylene 2kg
The preparation method of a kind of high-impact wood plastic composite board of the present invention, it comprises the following steps:
(1) take each raw material by formula ratio;
(2) plastic pellet, nano titanium oxide are placed in mechanical stirring kettle and are stirred 20 minutes, then extruding pelletization, 170 DEG C of extruder barrel temperature, 170 DEG C of die head temperatures, obtain high-impact plastic pellet;
(3) above-mentioned high-impact plastic pellet, wood powder, LDPE-g-GMA, talcum powder, terpine resin, EPDM, butyl stearate and oxidic polyethylene are placed in mechanical stirring kettle and mechanical stirring 30 minutes again;
(4), after mixing, adopt forcing machine to carry out melt blending extruding pelletization, 190 DEG C of extruder barrel temperature, 180 DEG C of die head temperatures, obtain Wood plastic composite particle;
(5) adopt forcing machine the extrusion moulding of above-mentioned Wood plastic composite particle to be obtained to high-impact wood plastic composite board, 190 DEG C of extruder barrel temperature, 170 DEG C of die head temperatures.
Embodiment 11
Plastic pellet (polystyrene) 50kg
Wood powder (70 order) 66kg
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 8kg
Nano titanium oxide (30nm) 2.3kg
Talcum powder (1800 order) 6.5kg
Terpine resin 0.76kg
Terpolymer EP rubber (EPDM) 1.7kg
Butyl stearate 3.4kg
Oxidic polyethylene 3.1kg
The preparation method of a kind of high-impact wood plastic composite board of the present invention, it comprises the following steps:
(1) take each raw material by formula ratio;
(2) plastic pellet, nano titanium oxide are placed in mechanical stirring kettle and are stirred 18 minutes, then extruding pelletization, 188 DEG C of extruder barrel temperature, 196 DEG C of die head temperatures, obtain high-impact plastic pellet;
(3) above-mentioned high-impact plastic pellet, wood powder, LDPE-g-GMA, talcum powder, terpine resin, EPDM, butyl stearate and oxidic polyethylene are placed in mechanical stirring kettle and mechanical stirring 24 minutes again;
(4), after mixing, adopt forcing machine to carry out melt blending extruding pelletization, 196 DEG C of extruder barrel temperature, 202 DEG C of die head temperatures, obtain Wood plastic composite particle;
(5) adopt forcing machine the extrusion moulding of above-mentioned Wood plastic composite particle to be obtained to high-impact wood plastic composite board, 198 DEG C of extruder barrel temperature, 205 DEG C of die head temperatures.
The effect that below proves the embodiment of the present invention 1 by detection, its detected result is as follows:
High-impact wood plastic composite board density of the present invention: 1.21g/cm
3, MOR: 31.5MPa, quiet bent modulus: 2.3GPa, shore hardness: 63D; Shock strength 19.8 kJ/m
2.
These results suggest that the performances such as its MOR of high-impact wood plastic composite board of the present invention all obviously exceed the requirement of the forestry industry standard LY/T 1613-2004 of the People's Republic of China (PRC), meanwhile, it also has higher shock strength.
Claims (1)
1. a preparation method for high-impact wood plastic composite board, is characterized in that its preparation process is:
(1) take each raw material by following parts by weight:
Plastic pellet 50
Wood powder 50-70
Glycidyl methacrylate graft LDPE (LDPE-g-GMA) 5-10
Nano titanium oxide 1-3
Talcum powder 4-8
Terpine resin 0.6-1
Terpolymer EP rubber (EPDM) 1-2
Butyl stearate 2-4
Oxidic polyethylene 2-4;
(2) plastic pellet, nano titanium oxide are placed in mechanical stirring kettle and stir 10-20 minute, then extruding pelletization, extruder barrel temperature 170-190 DEG C, die head temperature 170-200 DEG C, obtains high-impact plastic pellet;
(3) above-mentioned high-impact plastic pellet, wood powder, LDPE-g-GMA, talcum powder, terpine resin, EPDM, butyl stearate and oxidic polyethylene are placed in mechanical stirring kettle and mechanical stirring 20-40 minute again;
(4), after mixing, adopt forcing machine to carry out melt blending extruding pelletization, extruder barrel temperature 175-205 DEG C, die head temperature 180-210 DEG C, obtains Wood plastic composite particle;
(5) adopt forcing machine the extrusion moulding of above-mentioned Wood plastic composite particle to be obtained to high-impact wood plastic composite board, extruder barrel temperature 170-210 DEG C, die head temperature 170-220 DEG C;
Described plastic pellet is the one in polyethylene, polypropylene, polystyrene;
Described wood powder particle diameter is 60-100 order;
Described nano titanium oxide particle diameter 20-60nm;
Described talcum powder particle diameter is 1000-2000 order.
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| CN201210261193.7A CN102746686B (en) | 2012-07-26 | 2012-07-26 | High-impact-resistance plastic-wood composite board and preparation method thereof |
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| CN104086857B (en) * | 2014-06-30 | 2016-04-13 | 江苏旭华圣洛迪建材有限公司 | A kind of preparation method of snappiness Wood-plastic material |
| CN104194550B (en) * | 2014-08-18 | 2016-08-24 | 苏州市盛百威包装设备有限公司 | A kind of automatic case unpacking machine coating and preparation method thereof |
| CN109721867B (en) * | 2017-10-31 | 2022-07-12 | 合肥杰事杰新材料股份有限公司 | Regenerated polystyrene modified composite material and preparation method thereof |
| CN111484749A (en) * | 2020-05-13 | 2020-08-04 | 江苏郁林生塑木科技有限公司 | Strong and tough plastic-wood composite material plate and preparation method thereof |
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| CN1648158A (en) * | 2004-12-24 | 2005-08-03 | 华南理工大学 | Wood-plastic composite material and its preparing method |
| CN101817244B (en) * | 2009-12-29 | 2012-07-25 | 南京林业大学 | Composite reinforced wood-plastic composite material plate and preparation method thereof |
| CN101851362A (en) * | 2010-05-28 | 2010-10-06 | 金发科技股份有限公司 | Halogen-free flame-retardant polyolefin injection-grade wood-plastic composite and preparation method thereof |
| CN102277001B (en) * | 2011-08-15 | 2012-10-10 | 江苏福瑞森塑木科技有限公司 | Micro nanometer-enhanced wood plastic composite board and preparation method thereof |
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