CN102336978A - Cotton stalk powder/polyvinyl chloride (PVC) crust foaming composite material and formation process thereof - Google Patents

Cotton stalk powder/polyvinyl chloride (PVC) crust foaming composite material and formation process thereof Download PDF

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Publication number
CN102336978A
CN102336978A CN2010102334899A CN201010233489A CN102336978A CN 102336978 A CN102336978 A CN 102336978A CN 2010102334899 A CN2010102334899 A CN 2010102334899A CN 201010233489 A CN201010233489 A CN 201010233489A CN 102336978 A CN102336978 A CN 102336978A
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China
Prior art keywords
parts
cotton stalk
stalk powder
powder
foam matrix
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CN2010102334899A
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CN102336978B (en
Inventor
刘晓华
王庆富
马玉久
王利生
庞浩
廖兵
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Tongling Zhong Ke true tumor Materials Co., Ltd
Qingdao Institute of Bioenergy and Bioprocess Technology of CAS
Guangzhou Chemical Co Ltd of CAS
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Qingdao Institute of Bioenergy and Bioprocess Technology of CAS
Guangzhou Chemical Co Ltd of CAS
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Priority to CN201010233489.9A priority Critical patent/CN102336978B/en
Publication of CN102336978A publication Critical patent/CN102336978A/en
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    • B29C47/92

Abstract

The invention provides a cotton stalk powder/PVC crust foaming composite material which comprises, by weight, 100 parts of PVC resin powder, 10 to 30 parts of cotton stalk powder, 2 to 6 parts of a composite stabilizing agent, 0.5 part to 1.5 parts of an AC foaming agent, 6 to 12 parts of an acrylic acid ester foaming regulator, 4 to 10 parts of a modifier, 1 part to 2 parts of a lubricant and 10 to 20 parts of a filler. A novel wood plastic foaming material product with a smooth surface and continuous and uniformly distributed foaming micropores is obtained by heating, melting, extruding and foaming the composite material provided in the invention with extrusion molding equipment, and the product has the characteristics of a light weight, high specific strength, resistance to water and mildew, environmental protection, etc., can be processed in a manner of nailing, sawing or planning, is applicable to furniture plates, floors, skirting boards, fences and the like, and is a novel product for substituting woods with plastics.

Description

Cotton stalk powder/SE foam matrix material and moulding process thereof
Technical field
The present invention relates to a kind of cotton stalk powder/SE (PVC) foam matrix material.
The invention still further relates to a kind of method for preparing above-mentioned foam composite material.
Background technology
Wood plastic composite is that wood fibre and Plastic Resin are carried out the compound a kind of product that obtains of blend; Can the advantage of plastics and lignocellulosic material organically be combined; Both can carry out surface gummed, paint as timber; Also can follow closely, bore, processing such as plane, again can be as thermoplastics extrusion moulding processing, given full play to workability and processing of plastic method variety, the handiness of timber; Application Areas is very extensively at home and abroad comparatively fast developed in recent years.State Council's " about accelerating to advance timber conservation and the suggestion that substitutes work " points out: advocate, encourage to produce and use substitute for wood; Preferential economy and durability, reusable edible, environment amenable green wood substitute material and the goods thereof of adopting reduce the unreasonable consumption of timber.
China is that the world produces cotton big country, has abundant cotton stalk resource, owing to lack the new model of comprehensive utilization, cotton stalk is discarded in field or burning as the sub product of cotton more, causes the bigger wasting of resources.Through analyzing, the fibre content of cotton stalk is higher, and the content of Mierocrystalline cellulose, semicellulose, xylogen surpasses 70%; Fibre shape is similar with pourous wood; Therefore can cotton stalk be handled back preparation wood plastic composite and goods thereof, like furniture-plates, floor, skirting, fence etc., not only environmental protection; Alternative part timber can also improve the economic value added of cotton stalk.
Summary of the invention
The object of the present invention is to provide a kind of cotton stalk powder/PVC foam matrix material.
Another purpose of the present invention is to provide a kind of method for preparing above-mentioned foam composite material.
For realizing above-mentioned purpose, cotton stalk powder provided by the invention/PVC foam matrix material has the component of following parts by weight:
100 parts of polyvinyl chloride resin powder,
10~30 parts in cotton stalk powder,
2~6 parts of one package stabilizers,
0.5~1.0 part of Cellmic C 121,
6~12 parts of esters of acrylic acid foaming control agents,
4~10 parts of modification agents,
1~2.0 part of lubricant,
10~20 parts of weighting agents.
Described cotton stalk powder/SE foam matrix material, wherein one package stabilizer is that lead is one package stabilizer or calcium-zinc composite stabilizing agent.
Described cotton stalk powder/SE foam matrix material, wherein modification agent is any or its combination in esters of acrylic acid, the chlorinatedpolyethylene.
Described cotton stalk powder/SE foam matrix material, wherein lubricant is any or combination in Triple Pressed Stearic Acid, calcium stearate, barium stearate, Zinic stearas, paraffin, PE wax, the OPE wax.
Described cotton stalk powder/SE foam matrix material, wherein, described weighting agent is any or its combination in lime carbonate, talcum powder, the white titanium pigment.
Described cotton stalk powder/SE foam matrix material, wherein adding has oxidation inhibitor, fire retardant and tinting material.
The method of the above-mentioned cotton stalk powder of preparation provided by the invention/SE foam matrix material, key step is:
1) cotton stalk powder is joined in the mixing machine, add the coupling agent stirring at 80~90 ℃ and make the wood powder activation;
2) mix all materials in proportion;
3) setting machine barrel, die head temperature are 140~180 ℃, and the blended material is steadily extruded, and get title product.
Described preparation method, wherein the granularity of the said cotton stalk powder of step 1 is 40~300 orders.
Described preparation method, wherein the described coupling agent of step 1 is silane coupling agent or titanate coupling agent or aluminate coupling agent.
Described preparation method, wherein the described mixing of step 2 is in mixer, to carry out.
The present invention has the following advantages:
1) the present invention replaces wood powder with cotton stalk powder; Develop a kind ofly have that light weight, specific tenacity are good, waterproof, mildew-resistant, environmental protection; Smooth surface has woodiness touch, has the novel wood-plastic foam composite material of continuous uniform distribution foaming micropore; Can adopt the mode of nail, saw, plane to process, can be used in furniture-plates, floor, baseboard, fence etc.
2) the used cotton stalk powder aboundresources of the present invention is with low cost, has tangible price advantage.
3) technology of the present invention is simple, is easy to grasp and control, is convenient to realize scale prodn.
Embodiment
Cotton stalk powder of the present invention/PVC foam matrix material comprises the component of following parts by weight:
100 parts in polyvinyl chloride resin powder, 10~30 parts in cotton stalk powder, 2~6 parts of one package stabilizers, 0.5~1.0 part of AC whipping agent, 6~12 parts of esters of acrylic acid foaming control agents, 4~10 parts of modification agents, 1~2.0 part of lubricant, 10~20 parts of weighting agents.
Can add (these subsidiary material are known technology, and the present invention does not describe in detail) such as oxidation inhibitor, fire retardant, tinting materials as required in the above-mentioned matrix material.
The granularity of above-mentioned cotton stalk powder is 40~300 orders, through silane coupling agent or titanate coupling agent or aluminate coupling agent processing.
Above-mentioned one package stabilizer is that lead is one package stabilizer or calcium-zinc composite stabilizing agent.
Above-mentioned modification agent is any or its combination in esters of acrylic acid (ACR), the chlorinatedpolyethylene (CPE).
Above-mentioned lubricant is any or combination in Triple Pressed Stearic Acid, calcium stearate, barium stearate, Zinic stearas, paraffin, PE wax, the OPE wax.
Above-mentioned weighting agent is any or its combination in lime carbonate, talcum powder, the white titanium pigment.
The moulding process of cotton stalk powder of the present invention/PVC foam matrix material is made up of following steps:
(1) with the cotton stalk powder of coupling agent treatment: cotton stalk powder is joined in the high-speed mixer, add the coupling agent stirring at 80~90 ℃ and made the wood powder activation in 20 minutes;
(2) join all materials in the mixer in proportion, be mixed evenly;
(3) forcing machine is matched with mould, cooling and shaping device, towing mechanism, cutting unit;
(4) setting machine barrel, die head temperature (is example with " 80 " twin screw extruder) are 140~180 ℃; Open water coolant, cooling and shaping device, towing mechanism, cutting unit; Insulation was started shooting after 1 hour after being heated to design temperature; Mixed ingredients is put in the forcing machine, and adjustment main frame and reinforced rotating speed can obtain to have smooth surface and the loose inner Wood-plastic foam material of uniform in foaming of not foaming of skinning to steadily extruding.
Below lift specific embodiment and do explanation further.
Embodiment 1
Cotton stalk powder/PVC foam matrix material has the component of following parts by weight:
100 parts in polyvinyl chloride resin powder, 10 parts in cotton stalk powder, lead are 2 parts of one package stabilizers, 0.5 part of AC whipping agent, 6 parts of esters of acrylic acid foaming control agents, 10 parts of modification agents, 1 part of lubricant, 20 parts of weighting agents.
Its preparation method comprises the steps:
(1) with the cotton stalk powder of coupling agent treatment: cotton stalk powder is joined in the high-speed mixer, add the coupling agent stirring at 80~90 ℃ and made the wood powder activation in 20 minutes;
(2) join all materials in the mixer in proportion, be mixed evenly;
(3) forcing machine is matched with mould, cooling and shaping device, towing mechanism, cutting unit;
(4) set machine barrel, die head temperature (is example with " 80 " twin screw extruder); 140 ℃ in one district, 150 ℃ in two districts, 155 ℃ in three districts, 160 ℃ in four districts, 165 ℃ of head 170 ℃, mouthful moulds; Open water coolant, cooling and shaping device, towing mechanism, cutting unit; Mixed ingredients is put in the forcing machine, and adjustment main frame and reinforced rotating speed can obtain to have smooth surface and the loose inner Wood-plastic foam material of uniform in foaming of not foaming of skinning to steadily extruding.
Embodiment 2
Cotton stalk powder/PVC foam matrix material has the component of following parts by weight:
100 parts in polyvinyl chloride resin powder, 20 parts in cotton stalk powder, 4 parts of calcium-zinc composite stabilizing agents, 0.7 part of AC whipping agent, 9 parts of esters of acrylic acid foaming control agents, 8 parts of modification agents, 1.5 parts of lubricants, 16 parts of weighting agents.
Its preparation method comprises the steps:
(1) with the cotton stalk powder of coupling agent treatment: cotton stalk powder is joined in the high-speed mixer, add the coupling agent stirring at 80~90 ℃ and made the wood powder activation in 20 minutes;
(2) join all materials in the mixer in proportion, be mixed evenly;
(3) forcing machine is matched with mould, cooling and shaping device, towing mechanism, cutting unit;
(4) set machine barrel, die head temperature (is example with " 80 " twin screw extruder); 140 ℃ in one district, 150 ℃ in two districts, 160 ℃ in three districts, 165 ℃ in four districts, 168 ℃ of head 175 ℃, mouthful moulds; Open water coolant, cooling and shaping device, towing mechanism, cutting unit; Mixed ingredients is put in the forcing machine, and adjustment main frame and reinforced rotating speed can obtain to have smooth surface and the loose inner Wood-plastic foam material of uniform in foaming of not foaming of skinning to steadily extruding.
Embodiment 3
Powder/PVC foam matrix material component is following parts by weight to cotton stalk:
100 parts in polyvinyl chloride resin powder, 30 parts in cotton stalk powder, lead are 6 parts of one package stabilizers, 1 part of AC whipping agent, 12 parts of esters of acrylic acid foaming control agents, 4 parts of modification agents, 2 parts of lubricants, 10 parts of weighting agents.
Its preparation method comprises the steps:
(1) with the cotton stalk powder of coupling agent treatment: cotton stalk powder is joined in the high-speed mixer, add the coupling agent stirring at 80~90 ℃ and made the wood powder activation in 20 minutes;
(2) join all materials in the mixer in proportion, be mixed evenly;
(3) forcing machine is matched with mould, cooling and shaping device, towing mechanism, cutting unit;
(4) set machine barrel, die head temperature (is example with " 80 " twin screw extruder); 140 ℃ in one district, 150 ℃ in two districts, 165 ℃ in three districts, 170 ℃ in four districts, 165 ℃ of head 180 ℃, mouthful moulds; Open water coolant, cooling and shaping device, towing mechanism, cutting unit; Mixed ingredients is put in the forcing machine, and adjustment main frame and reinforced rotating speed can obtain to have smooth surface and the loose inner Wood-plastic foam material of uniform in foaming of not foaming of skinning to steadily extruding.

Claims (10)

1. cotton stalk powder/SE foam matrix material has the component of following parts by weight:
100 parts of polyvinyl chloride resin powder,
10~30 parts in cotton stalk powder,
2~6 parts of one package stabilizers,
0.5~1.0 part of Cellmic C 121,
6~12 parts of esters of acrylic acid foaming control agents,
4~10 parts of modification agents,
1~2.0 part of lubricant,
10~20 parts of weighting agents.
2. cotton stalk powder according to claim 1/SE foam matrix material, wherein, one package stabilizer is that lead is one package stabilizer or calcium-zinc composite stabilizing agent.
3. cotton stalk powder according to claim 1/SE foam matrix material, wherein, modification agent is any or its combination in esters of acrylic acid, the chlorinatedpolyethylene.
4. cotton stalk powder according to claim 1/SE foam matrix material, wherein, lubricant is any or combination in Triple Pressed Stearic Acid, calcium stearate, barium stearate, Zinic stearas, paraffin, PE wax, the OPE wax.
5. cotton stalk powder according to claim 1/SE foam matrix material, wherein, described weighting agent is any or its combination in lime carbonate, talcum powder, the white titanium pigment.
6. cotton stalk powder according to claim 1/SE foam matrix material, wherein, adding has oxidation inhibitor, fire retardant and tinting material.
7. prepare the method for the said cotton stalk powder of claim 1/SE foam matrix material, key step is:
1) cotton stalk powder is joined in the mixing machine, add the coupling agent stirring at 80~90 ℃ and make the wood powder activation;
2) mix all materials in proportion;
3) setting machine barrel, die head temperature are 140~180 ℃, and the blended material is steadily extruded, and get title product.
8. preparation method according to claim 7, wherein, the granularity of the said cotton stalk powder of step 1 is 40~300 orders.
9. preparation method according to claim 7, wherein, the described coupling agent of step 1 is silane coupling agent or titanate coupling agent or aluminate coupling agent.
10. preparation method according to claim 7, wherein, the described mixing of step 2 is in mixer, to carry out.
CN201010233489.9A 2010-07-16 2010-07-16 Cotton stalk powder/polyvinyl chloride (PVC) crust foaming composite material and formation process thereof Active CN102336978B (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102558716A (en) * 2012-03-06 2012-07-11 鹰自达装饰材料有限公司 Method for manufacturing plastic-wooden composite section bar
CN102604261A (en) * 2012-03-06 2012-07-25 鹰自达装饰材料有限公司 Formula for manufacturing wood-plastic composite section
CN102604265A (en) * 2012-02-17 2012-07-25 李盟 Novel production formula for synthesizing wood shed framework
CN102660087A (en) * 2012-04-26 2012-09-12 江苏常盛管业有限公司 Polyvinyl chloride foamed internally and externally-crusted foaming pipe
CN103046686A (en) * 2012-12-29 2013-04-17 张建红 Method for making closed composite partition wall board
CN103358629A (en) * 2013-05-14 2013-10-23 泰州市华丽塑料有限公司 Straw wood-plastic composite board
CN103540050A (en) * 2013-04-19 2014-01-29 山东霞光实业有限公司 PVC (Polyvinyl Chloride) sythetic-wood ecologic indoor gate plate and production method thereof
CN103627112A (en) * 2013-11-01 2014-03-12 安徽环嘉天一再生资源有限公司 PVC (polyvinyl chloride) microcellular wood-plastic coiled material
CN103756344A (en) * 2013-12-23 2014-04-30 西安鸿晨环保科技有限公司 Novel framework material for vegetable greenhouse and preparation method thereof
CN103756343A (en) * 2013-12-23 2014-04-30 西安鸿晨环保科技有限公司 Novel framework material for vegetable greenhouse and preparation method thereof
CN104371213A (en) * 2014-10-23 2015-02-25 周修君 Bifacial-skinning rubber plastic flame-retardant thermal-insulation board and preparation method thereof
CN104497442A (en) * 2014-12-09 2015-04-08 刁国锋 Environment-friendly health wood-plastic plate
CN104497443A (en) * 2014-12-09 2015-04-08 刁国锋 Faint-scent and environment-friendly wood-plastic plate
CN104847093A (en) * 2014-12-30 2015-08-19 苏州钢踢脚建筑材料有限公司 Mildewproof and fireproof skirting board
CN107057238A (en) * 2017-05-31 2017-08-18 合肥创沃科技有限公司 A kind of preparation method of stalk fibre degradable foam materials

Citations (1)

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Publication number Priority date Publication date Assignee Title
CN1944539A (en) * 2006-10-09 2007-04-11 华明扬 Flame-retardant and water-proof bactericidal plant fibre powder/high molecule plastic ocmposite tower tube and its preparing method

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
CN1944539A (en) * 2006-10-09 2007-04-11 华明扬 Flame-retardant and water-proof bactericidal plant fibre powder/high molecule plastic ocmposite tower tube and its preparing method

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102604265B (en) * 2012-02-17 2016-01-20 李盟 A kind of Novel synthetic wood greenhouse frame production formula
CN102604265A (en) * 2012-02-17 2012-07-25 李盟 Novel production formula for synthesizing wood shed framework
CN102604261A (en) * 2012-03-06 2012-07-25 鹰自达装饰材料有限公司 Formula for manufacturing wood-plastic composite section
CN102558716A (en) * 2012-03-06 2012-07-11 鹰自达装饰材料有限公司 Method for manufacturing plastic-wooden composite section bar
CN102660087A (en) * 2012-04-26 2012-09-12 江苏常盛管业有限公司 Polyvinyl chloride foamed internally and externally-crusted foaming pipe
CN103046686A (en) * 2012-12-29 2013-04-17 张建红 Method for making closed composite partition wall board
CN103046686B (en) * 2012-12-29 2015-02-25 张建红 Method for making closed composite partition wall board
CN103540050A (en) * 2013-04-19 2014-01-29 山东霞光实业有限公司 PVC (Polyvinyl Chloride) sythetic-wood ecologic indoor gate plate and production method thereof
CN103540050B (en) * 2013-04-19 2016-08-03 山东霞光实业有限公司 A kind of PVC wood plastic ecological chamber internal hilar plate and production method
CN103358629A (en) * 2013-05-14 2013-10-23 泰州市华丽塑料有限公司 Straw wood-plastic composite board
CN103627112A (en) * 2013-11-01 2014-03-12 安徽环嘉天一再生资源有限公司 PVC (polyvinyl chloride) microcellular wood-plastic coiled material
CN103756344A (en) * 2013-12-23 2014-04-30 西安鸿晨环保科技有限公司 Novel framework material for vegetable greenhouse and preparation method thereof
CN103756343A (en) * 2013-12-23 2014-04-30 西安鸿晨环保科技有限公司 Novel framework material for vegetable greenhouse and preparation method thereof
CN104371213A (en) * 2014-10-23 2015-02-25 周修君 Bifacial-skinning rubber plastic flame-retardant thermal-insulation board and preparation method thereof
CN104497443A (en) * 2014-12-09 2015-04-08 刁国锋 Faint-scent and environment-friendly wood-plastic plate
CN104497442A (en) * 2014-12-09 2015-04-08 刁国锋 Environment-friendly health wood-plastic plate
CN104847093A (en) * 2014-12-30 2015-08-19 苏州钢踢脚建筑材料有限公司 Mildewproof and fireproof skirting board
CN107057238A (en) * 2017-05-31 2017-08-18 合肥创沃科技有限公司 A kind of preparation method of stalk fibre degradable foam materials

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