CN103396620A - PVC (Polyvinyl Chloride) plastic-wood foaming material - Google Patents
PVC (Polyvinyl Chloride) plastic-wood foaming material Download PDFInfo
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- CN103396620A CN103396620A CN2013102944499A CN201310294449A CN103396620A CN 103396620 A CN103396620 A CN 103396620A CN 2013102944499 A CN2013102944499 A CN 2013102944499A CN 201310294449 A CN201310294449 A CN 201310294449A CN 103396620 A CN103396620 A CN 103396620A
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Abstract
The invention discloses a PVC (Polyvinyl Chloride) plastic-wood foaming material. The PVC plastic-wood foaming material comprises the following materials in parts by weight: 100 parts of PVC resin powder, 40-60 parts of wood powder, 1-2 parts of coupling agent, 0.5-1.0 part of lubricating agent, 2-4 parts of stabilizing agent, 1-5 parts of plasticizing agent, 1-5 parts of impact-resistant modifying agent, 1-3 parts of antioxidant, 0.2-0.6 part of foaming agent and 5-10 parts of foaming regulator. All the components are mixed in proportion, are stirred by a high-speed stirring machine and extruded by a double-screw extruder under the conditions that the pressure is 2-3Mpa and the temperature is 150-180 DEG C, then are cooled and cured and finally are cut and molded. The prepared PVC plastic-wood foaming material is large in wood-powder filling amount and stronge in woodiness; and compared with the common plastic-wood material, the PVC plastic-wood foaming material has higher strength and friction resistance.
Description
Technical field
The present invention relates to the plastic-wood material field, be specifically related to a kind of PVC plastic-wood foam material.
Background technology
China's forest coverage is extremely low, and timber resources is limited, finds novel material and replaces timber for the production of being present the only way which must be passed of a very long time even from now on.Plastic-wood material is exactly a kind of novel material that well can replace timber.Moulding wood technology is to develop in recent years a kind of type material processing technology faster at home and abroad.What is called is moulded wood, it is exactly the combination of solid wood and plastics, it had both kept the affinity of solid wood, had again the performances such as good moistureproof water-fast, acid and alkali-resistance, Anti-moth-eating, and with its novel idea, novel design, novel product, had greatly advanced the development of new material industry.
At present, on market, existing plastic-wood material mainly contains three kinds, is respectively building template, likes because of wood and foam material.Wherein the application with foam material is the most extensive with research.Chinese patent 200510100235.9 discloses a kind of PVC and has moulded wooden foam matrix material; Chinese patent 201010236506.4 discloses a kind of PVC plastic-wood material; Chinese patent 201010542086.2 discloses a kind of PVC base wood-plastic composite material and preparation method thereof.
The centre of foam material is foaming layer, and top layer is not foaming layer of coextrusion.Compare the advantage such as that plastic-wood foam material has is lightweight, woodiness touch is good with general plastic-wood material.Yet in the production process of existing plastic-wood foam material, the consistency of PVC and wood powder is poor, and the wood powder consumption is less than 25%, and resulting product intensity is lower, outward appearance is rough.Simultaneously, the production stage of existing plastic-wood foam material is loaded down with trivial details, and production cost is high.
Summary of the invention
The technical problem that solves:For the deficiencies in the prior art, the invention provides a kind of PVC plastic-wood foam material, Wood flour filled amount is large, and woodiness touch is stronger, and has higher intensity and rub resistance.
Technical scheme:The invention provides a kind of PVC plastic-wood foam material, formed by the raw material of following parts by weight: 100 parts, polyvinyl chloride resin powder; Wood powder 40-60 part; Coupling agent 1-2 part; Lubricant 0.5-1.0 part; Stablizer 2-4 part; Softening agent 1-5 part; Anti-impact modifier 1-5 part; Oxidation inhibitor 1-3 part; Whipping agent 0.2-0.6 part; Foaming control agent 5-10 part.
Described wood powder is to be pulverized and formed by the wood chip oven dry, water ratio≤4%, and fineness is the 50-100 order.
Described coupling agent is silane coupling agent, comprises one or more in aminopropyl triethoxysilane (KH550), Racemic glycidol fan oxygen base propyl trimethoxy silicane (KH560) or ethylenediaminepropyltriethoxysilane (KH792).
Described lubricant comprises internal lubricant and external lubricant, and internal lubricant is calcium stearate, and external lubricant is paraffin.
Described stablizer is organotin stabilizer, tin content 〉=20%; Described softening agent is dibutyl phthalate.
Described anti-impact modifier is that acrylic ester impact-resisting hits properties-correcting agent; Described oxidation inhibitor is four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol ester.
Described whipping agent is Cellmic C 121; Described foaming control agent is the esters of acrylic acid foaming control agent.
The component of a kind of PVC plastic-wood foam material of the present invention also comprises biocide mildewcide 0.2-0.5 part; Wood grain master batch 1-2 part.
The technological process of production of a kind of PVC plastic-wood foam material of the present invention is: each component is mixed by above-mentioned parts by weight, extrudes excision forming after cooling curing through homogenizer stirring, twin screw extruder.Processing condition are: pressure 2-3Mpa, Heating temperature 150-180 ℃, screw speed 20-100r/min.
Beneficial effect:(1) the Wood flour filled amount of PVC plastic-wood foam material of the present invention's production is large, and woodiness touch is stronger, and intensity and rub resistance are higher, MOR is 15.5-19.2Mpa, flexural strength is 21.7-29.4 Mpa, and tensile strength is 12.8-18.7 Mpa, 10.6-18.3 KJ/m
2, the surface abrasion resistance coefficient is 0.055-0.072, can replace timber to apply to various industries, safety and environmental protection; (2) production technique of the PVC plastic-wood foam material of the present invention's production is simple, low production cost.
Embodiment
Mode below by embodiment further illustrates this explanation, and therefore scope of the present invention is not confined to following embodiment.
Embodiment 1
100 parts, polyvinyl chloride resin powder; 40 parts of wood powders; 1 part of aminopropyl triethoxysilane; 0.2 part of calcium stearate; 0.3 part, paraffin; 2 parts of organotin stabilizers; 1 part of dibutyl phthalate; Acrylic ester impact-resisting hits 1 part of properties-correcting agent; 1 part of four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol ester; 0.2 part of Cellmic C 121; 5 parts of esters of acrylic acid foaming control agents; 0.2 part of biocide mildewcide; 1 part of wood grain master batch.
Umber requirement according to above-mentioned each component, first with aminopropyl triethoxysilane, process wood powder, hit properties-correcting agent, four (β-(3 together with calcium stearate, paraffin, organotin stabilizer, dibutyl phthalate, acrylic ester impact-resisting again, three grades of butyl of 5--4-hydroxy phenyl) propionic acid) pentaerythritol ester, Cellmic C 121, esters of acrylic acid foaming control agent, biocide mildewcide add homogenizer together, rotating speed with 2000r/min stirred 30 minutes, and each component is mixed.Compound and wood grain master batch are added twin screw extruder, 150 ℃ of screw speed 30 r/min, pressure 2Mpa, Heating temperatures, extrusion moulding and cooling curing typing, cut into above-mentioned PVC plastic-wood foam material to mould wooden particle finally.
Embodiment 2
100 parts, polyvinyl chloride resin powder; 45 parts of wood powders; 1.2 parts of aminopropyl triethoxysilanes; 0.3 part of calcium stearate; 0.3 part, paraffin; 2 parts of organotin stabilizers; 2 parts of dibutyl phthalates; Acrylic ester impact-resisting hits 2 parts of properties-correcting agent; 1 part of four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol ester; 0.3 part of Cellmic C 121; 6 parts of esters of acrylic acid foaming control agents; 0.3 part of biocide mildewcide; 1.2 parts of wood grain master batches.
Umber requirement according to above-mentioned each component, first with aminopropyl triethoxysilane, process wood powder, hit properties-correcting agent, four (β-(3 together with calcium stearate, paraffin, organotin stabilizer, dibutyl phthalate, acrylic ester impact-resisting again, three grades of butyl of 5--4-hydroxy phenyl) propionic acid) pentaerythritol ester, Cellmic C 121, esters of acrylic acid foaming control agent, biocide mildewcide add homogenizer together, rotating speed with 2000r/min stirred 30 minutes, and each component is mixed.Compound and wood grain master batch are added twin screw extruder, 155 ℃ of screw speed 30 r/min, pressure 2Mpa, Heating temperatures, extrusion moulding and cooling curing typing, cut into above-mentioned PVC plastic-wood foam material to mould wooden particle finally.
Embodiment 3
100 parts, polyvinyl chloride resin powder; 50 parts of wood powders; 1.5 parts of Racemic glycidol fan oxygen base propyl trimethoxy silicanes; 0.4 part of calcium stearate; 0.2 part, paraffin; 3 parts of organotin stabilizers; 2 parts of dibutyl phthalates; Acrylic ester impact-resisting hits 3 parts of properties-correcting agent; 1.5 parts of four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol esters; 0.3 part of Cellmic C 121; 6 parts of esters of acrylic acid foaming control agents; 0.2 part of biocide mildewcide; 1.2 parts of wood grain master batches.
Umber requirement according to above-mentioned each component, first with Racemic glycidol fan oxygen base propyl trimethoxy silicane, process wood powder, hit properties-correcting agent, four (β-(3 together with calcium stearate, paraffin, organotin stabilizer, dibutyl phthalate, acrylic ester impact-resisting again, three grades of butyl of 5--4-hydroxy phenyl) propionic acid) pentaerythritol ester, Cellmic C 121, esters of acrylic acid foaming control agent, biocide mildewcide add homogenizer together, rotating speed with 2000r/min stirred 35 minutes, and each component is mixed.Compound and wood grain master batch are added twin screw extruder, 155 ℃ of screw speed 25 r/min, pressure 2.2Mpa, Heating temperatures, extrusion moulding and cooling curing typing, cut into above-mentioned PVC plastic-wood foam material to mould wooden particle finally.
Embodiment 4
100 parts, polyvinyl chloride resin powder; 55 parts of wood powders; 1.8 parts of aminopropyl triethoxysilanes; 0.5 part of calcium stearate; 0.3 part, paraffin; 2 parts of organotin stabilizers; 4 parts of dibutyl phthalates; Acrylic ester impact-resisting hits 4 parts of properties-correcting agent; 2 parts of four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol esters; 0.4 part of Cellmic C 121; 8 parts of esters of acrylic acid foaming control agents; 0.3 part of biocide mildewcide; 1.5 parts of wood grain master batches.
Umber requirement according to above-mentioned each component, first with aminopropyl triethoxysilane, process wood powder, hit properties-correcting agent, four (β-(3 together with calcium stearate, paraffin, organotin stabilizer, dibutyl phthalate, acrylic ester impact-resisting again, three grades of butyl of 5--4-hydroxy phenyl) propionic acid) pentaerythritol ester, Cellmic C 121, esters of acrylic acid foaming control agent, biocide mildewcide add homogenizer together, rotating speed with 2000r/min stirred 35 minutes, and each component is mixed.Compound and wood grain master batch are added twin screw extruder, 165 ℃ of screw speed 35 r/min, pressure 2.2Mpa, Heating temperatures, extrusion moulding and cooling curing typing, cut into above-mentioned PVC plastic-wood foam material to mould wooden particle finally.
Embodiment 5
100 parts, polyvinyl chloride resin powder; 60 parts of wood powders; 2 parts of ethylenediaminepropyltriethoxysilanes; 0.4 part of calcium stearate; 0.5 part, paraffin; 4 parts of organotin stabilizers; 5 parts of dibutyl phthalates; Acrylic ester impact-resisting hits 5 parts of properties-correcting agent; 3 parts of four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol esters; 0.5 part of Cellmic C 121; 10 parts of esters of acrylic acid foaming control agents; 0.5 part of biocide mildewcide; 1.8 parts of wood grain master batches.
Umber requirement according to above-mentioned each component, first with ethylenediaminepropyltriethoxysilane, process wood powder, hit properties-correcting agent, four (β-(3 together with calcium stearate, paraffin, organotin stabilizer, dibutyl phthalate, acrylic ester impact-resisting again, three grades of butyl of 5--4-hydroxy phenyl) propionic acid) pentaerythritol ester, Cellmic C 121, esters of acrylic acid foaming control agent, biocide mildewcide add homogenizer together, rotating speed with 2000r/min stirred 40 minutes, and each component is mixed.Compound and wood grain master batch are added twin screw extruder, 165 ℃ of screw speed 35 r/min, pressure 2.2Mpa, Heating temperatures, extrusion moulding and cooling curing typing, cut into above-mentioned PVC plastic-wood foam material to mould wooden particle finally.
Embodiment 6
100 parts, polyvinyl chloride resin powder; 50 parts of wood powders; 1 part of aminopropyl triethoxysilane; 1 part of Racemic glycidol fan oxygen base propyl trimethoxy silicane; 0.4 part of calcium stearate; 0.3 part, paraffin; 3 parts of organotin stabilizers; 3 parts of dibutyl phthalates; Acrylic ester impact-resisting hits 3 parts of properties-correcting agent; 2 parts of four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol esters; 0.4 part of Cellmic C 121; 8 parts of esters of acrylic acid foaming control agents; 0.3 part of biocide mildewcide; 1.5 parts of wood grain master batches.
Umber requirement according to above-mentioned each component, first with aminopropyl triethoxysilane and Racemic glycidol fan oxygen base propyl trimethoxy silicane, process wood powder, hit properties-correcting agent, four (β-(3 together with calcium stearate, paraffin, organotin stabilizer, dibutyl phthalate, acrylic ester impact-resisting again, three grades of butyl of 5--4-hydroxy phenyl) propionic acid) pentaerythritol ester, Cellmic C 121, esters of acrylic acid foaming control agent, biocide mildewcide add homogenizer together, rotating speed with 2000r/min stirred 35 minutes, and each component is mixed.Compound and wood grain master batch are added twin screw extruder, 160 ℃ of screw speed 35 r/min, pressure 2.5Mpa, Heating temperatures, extrusion moulding and cooling curing typing, cut into above-mentioned PVC plastic-wood foam material to mould wooden particle finally.
Embodiment 7
100 parts, polyvinyl chloride resin powder; 50 parts of wood powders; 1 part of aminopropyl triethoxysilane; 1 part of ethylenediaminepropyltriethoxysilane; 0.4 part of calcium stearate; 0.3 part, paraffin; 3 parts of organotin stabilizers; 3 parts of dibutyl phthalates; Acrylic ester impact-resisting hits 3 parts of properties-correcting agent; 2 parts of four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol esters; 0.4 part of Cellmic C 121; 8 parts of esters of acrylic acid foaming control agents; 0.3 part of biocide mildewcide; 1.5 parts of wood grain master batches.
Umber requirement according to above-mentioned each component, first with aminopropyl triethoxysilane and ethylenediaminepropyltriethoxysilane, process wood powder, hit properties-correcting agent, four (β-(3 together with calcium stearate, paraffin, organotin stabilizer, dibutyl phthalate, acrylic ester impact-resisting again, three grades of butyl of 5--4-hydroxy phenyl) propionic acid) pentaerythritol ester, Cellmic C 121, esters of acrylic acid foaming control agent, biocide mildewcide add homogenizer together, rotating speed with 2000r/min stirred 35 minutes, and each component is mixed.Compound and wood grain master batch are added twin screw extruder, 160 ℃ of screw speed 35 r/min, pressure 2.5Mpa, Heating temperatures, extrusion moulding and cooling curing typing, cut into above-mentioned PVC plastic-wood foam material to mould wooden particle finally.
Embodiment 8
100 parts, polyvinyl chloride resin powder; 50 parts of wood powders; 1 part of Racemic glycidol fan oxygen base propyl trimethoxy silicane; 1 part of ethylenediaminepropyltriethoxysilane; 0.4 part of calcium stearate; 0.3 part, paraffin; 3 parts of organotin stabilizers; 3 parts of dibutyl phthalates; Acrylic ester impact-resisting hits 3 parts of properties-correcting agent; 2 parts of four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol esters; 0.4 part of Cellmic C 121; 8 parts of esters of acrylic acid foaming control agents; 0.3 part of biocide mildewcide; 1.5 parts of wood grain master batches.
Umber requirement according to above-mentioned each component, first with Racemic glycidol fan oxygen base propyl trimethoxy silicane and ethylenediaminepropyltriethoxysilane, process wood powder, hit properties-correcting agent, four (β-(3 together with calcium stearate, paraffin, organotin stabilizer, dibutyl phthalate, acrylic ester impact-resisting again, three grades of butyl of 5--4-hydroxy phenyl) propionic acid) pentaerythritol ester, Cellmic C 121, esters of acrylic acid foaming control agent, biocide mildewcide add homogenizer together, rotating speed with 2000r/min stirred 35 minutes, and each component is mixed.Compound and wood grain master batch are added twin screw extruder, 160 ℃ of screw speed 35 r/min, pressure 2.5Mpa, Heating temperatures, extrusion moulding and cooling curing typing, cut into above-mentioned PVC plastic-wood foam material to mould wooden particle finally.
Performance test: moulding after wooden particle is dried in the various embodiments described above is injection molded into the standard batten carries out performance test, performance is as shown in table 1:
Table 1
Claims (10)
1. a PVC plastic-wood foam material, is characterized in that being comprised of the raw material of following parts by weight: 100 parts, polyvinyl chloride resin powder; Wood powder 40-60 part; Coupling agent 1-2 part; Lubricant 0.5-1.0 part; Stablizer 2-4 part; Softening agent 1-5 part; Anti-impact modifier 1-5 part; Oxidation inhibitor 1-3 part; Whipping agent 0.2-0.6 part; Foaming control agent 5-10 part.
2. a kind of PVC plastic-wood foam material according to claim 1, is characterized in that described wood powder water ratio≤4%, and fineness is the 50-100 order, and described coupling agent is silane coupling agent.
3. a kind of PVC plastic-wood foam material according to claim 1, is characterized in that described lubricant comprises internal lubricant and external lubricant, and internal lubricant is calcium stearate, and external lubricant is paraffin.
4. a kind of PVC plastic-wood foam material according to claim 1, is characterized in that described stablizer is organotin stabilizer, tin content 〉=20%.
5. a kind of PVC plastic-wood foam material according to claim 1, is characterized in that described softening agent is dibutyl phthalate.
6. a kind of PVC plastic-wood foam material according to claim 1, is characterized in that described anti-impact modifier is that acrylic ester impact-resisting hits properties-correcting agent.
7. a kind of PVC plastic-wood foam material according to claim 1, is characterized in that described oxidation inhibitor is four (β-(three grades of butyl of 3,5--4-hydroxy phenyl) propionic acid) pentaerythritol ester.
8. a kind of PVC plastic-wood foam material according to claim 1, is characterized in that described whipping agent is Cellmic C 121.
9. a kind of PVC plastic-wood foam material according to claim 1, is characterized in that described foaming control agent is the esters of acrylic acid foaming control agent.
10. a kind of PVC plastic-wood foam material according to claim 1, is characterized in that described component also comprises biocide mildewcide 0.2-0.5 part; Wood grain master batch 1-2 part.
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| CN103756175A (en) * | 2013-11-25 | 2014-04-30 | 吴江市董鑫塑料包装厂 | PVC (polyvinyl chloride) wood grain section material |
| CN104031333A (en) * | 2014-06-11 | 2014-09-10 | 西北农林科技大学 | Clamp spring and clamping slot steel belt plastic-wood composite material of sunlight greenhouse |
| CN104177731A (en) * | 2014-08-25 | 2014-12-03 | 安徽旺岳木塑板材有限公司 | Formula for producing construction template from PVC plastic |
| CN104890132A (en) * | 2015-04-29 | 2015-09-09 | 桐城市诚信木塑科技材料有限公司 | Wood plastic floor production process |
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| CN104031333A (en) * | 2014-06-11 | 2014-09-10 | 西北农林科技大学 | Clamp spring and clamping slot steel belt plastic-wood composite material of sunlight greenhouse |
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Application publication date: 20131120 |