CN102336978B - 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 PDFInfo
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- CN102336978B CN102336978B CN201010233489.9A CN201010233489A CN102336978B CN 102336978 B CN102336978 B CN 102336978B CN 201010233489 A CN201010233489 A CN 201010233489A CN 102336978 B CN102336978 B CN 102336978B
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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
Technical field
The present invention relates to a kind of cotton stalk powder/polyvinyl chloride (PVC) foam matrix material.
The invention still further relates to a kind of method of preparing above-mentioned foam composite material.
Background technology
Wood plastic composite is that wood fibre and Plastic Resin are carried out to a kind of product that composite obtains, the advantage of plastics and lignocellulosic material organically can be combined, both surface bonding, paint can as timber, have been carried out, also can follow closely, bore, the processing such as plane, can as thermoplastics, extrusion moulding process again, the workability of timber and working method diversity, the handiness of plastics are given full play to, Application Areas is very extensive, is at home and abroad comparatively fast developed in recent years.State Council's " about suggestion of accelerating to advance timber conservation and substituting 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 Chan Mian big country of the world, has abundant cotton stalk resource, and owing to lacking the new model of comprehensive utilization, cotton stalk, as the byproduct of cotton, is discarded in field or burning more, causes the larger wasting of resources.By analysis, the fibre content of cotton stalk is higher, the content of Mierocrystalline cellulose, hemicellulose, xylogen exceedes 70%, fibre shape is similar to pourous wood, therefore after cotton stalk can being processed, prepare wood plastic composite and goods thereof, as 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 object of the present invention is to provide a kind of method of preparing above-mentioned foam composite material.
For achieving the above object, cotton stalk powder/PVC foam matrix material provided by the invention, has the component of following parts by weight:
100 parts of polyvinyl chloride resin powder,
10～30 parts, 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/polyvinyl chloride foam matrix material, wherein one package stabilizer is that lead is one package stabilizer or calcium-zinc composite stabilizing agent.
Described cotton stalk powder/polyvinyl chloride foam matrix material, wherein modification agent is any or its combination in esters of acrylic acid, chlorinatedpolyethylene.
Described cotton stalk powder/polyvinyl chloride foam matrix material, wherein lubricant is any or combination in stearic acid, calcium stearate, barium stearate, Zinic stearas, paraffin, PE wax, OPE wax.
Described cotton stalk powder/polyvinyl chloride foam matrix material, wherein, described weighting agent is any or its combination in calcium carbonate, talcum powder, titanium dioxide.
Described cotton stalk powder/polyvinyl chloride foam matrix material, wherein adds and has oxidation inhibitor, fire retardant and tinting material.
The method of the above-mentioned cotton stalk powder/polyvinyl chloride foam matrix material of preparation provided by the invention, key step is:
1) cotton stalk powder is joined in mixing machine, add coupling agent to stir at 80～90 DEG C and make wood powder activation;
2) in proportion all materials are mixed;
3) setting machine barrel, die head temperature are 140～180 DEG C, and the material of mixing is steadily extruded, and obtain target product.
Described preparation method, wherein described in step 1, the granularity of cotton stalk powder is 40～300 orders.
Described preparation method, wherein the coupling agent described in step 1 is silane coupling agent or titanate coupling agent or aluminate coupling agent.
Described preparation method, wherein the mixing described in step 2 is to carry out in mixer.
The present invention has the following advantages:
1) the present invention replaces wood powder with cotton stalk powder, develop one and have that light weight, specific tenacity are good, waterproof, mildew-resistant, environmental protection, smooth surface, there is woodiness touch, there is 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 present invention's cotton stalk powder aboundresources used, with low cost, has obvious price advantage.
3) technique of the present invention is simple, is easy to grasp and control, and is convenient to realize scale production.
Embodiment
Cotton stalk powder/PVC foam matrix material of the present invention, comprises the component of following parts by weight:
100 parts, polyvinyl chloride resin powder, 10～30 parts, 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.
In above-mentioned matrix material, can add as required (these subsidiary material are known technology, and the present invention does not describe in detail) such as oxidation inhibitor, fire retardant, tinting materials.
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), chlorinatedpolyethylene (CPE).
Above-mentioned lubricant is any or combination in stearic acid, calcium stearate, barium stearate, Zinic stearas, paraffin, PE wax, OPE wax.
Above-mentioned weighting agent is any or its combination in calcium carbonate, talcum powder, titanium dioxide.
The moulding process of cotton stalk powder/PVC foam matrix material of the present invention is made up of following steps:
(1) with the cotton stalk powder of coupling agent treatment: cotton stalk powder is joined in high-speed mixer, add coupling agent to stir at 80～90 DEG C and within 20 minutes, make wood powder activation;
(2) in proportion all materials are joined in mixer, mixture is even;
(3) forcing machine is matched with mould, cooling and shaping device, towing mechanism, cutting unit;
(4) setting machine barrel, die head temperature (taking " 80 " twin screw extruder as example) are 140～180 DEG C, open water coolant, cooling and shaping device, towing mechanism, cutting unit, be heated to be incubated 1 hour after design temperature after start, mixed ingredients is put in forcing machine, adjust main frame and reinforced rotating speed to steadily extruding, can obtain and there is smooth surface and the loose inner Wood-plastic foam material of uniform in foaming of not foaming of skinning.
Below lifting specific embodiment is further described.
Embodiment 1
Cotton stalk powder/PVC foam matrix material has the component of following parts by weight:
100 parts, polyvinyl chloride resin powder, 10 parts, cotton stalk powder, lead is 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 high-speed mixer, add coupling agent to stir at 80～90 DEG C and within 20 minutes, make wood powder activation;
(2) in proportion all materials are joined in mixer, mixture is even;
(3) forcing machine is matched with mould, cooling and shaping device, towing mechanism, cutting unit;
(4) set machine barrel, die head temperature (taking " 80 " twin screw extruder as example), one 140 DEG C, district, 150 DEG C, 2nd district, 155 DEG C, 3rd district, 160 DEG C, 4th district, 165 DEG C of head 170 DEG C, mouthful moulds, open water coolant, cooling and shaping device, towing mechanism, cutting unit, mixed ingredients is put in forcing machine, adjust main frame and reinforced rotating speed to steadily extruding, can obtain and there is smooth surface and the loose inner Wood-plastic foam material of uniform in foaming of not foaming of skinning.
Embodiment 2
Cotton stalk powder/PVC foam matrix material has the component of following parts by weight:
100 parts, polyvinyl chloride resin powder, 20 parts, 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 high-speed mixer, add coupling agent to stir at 80～90 DEG C and within 20 minutes, make wood powder activation;
(2) in proportion all materials are joined in mixer, mixture is even;
(3) forcing machine is matched with mould, cooling and shaping device, towing mechanism, cutting unit;
(4) set machine barrel, die head temperature (taking " 80 " twin screw extruder as example), one 140 DEG C, district, 150 DEG C, 2nd district, 160 DEG C, 3rd district, 165 DEG C, 4th district, 168 DEG C of head 175 DEG C, mouthful moulds, open water coolant, cooling and shaping device, towing mechanism, cutting unit, mixed ingredients is put in forcing machine, adjust main frame and reinforced rotating speed to steadily extruding, can obtain and there is smooth surface and the loose inner Wood-plastic foam material of uniform in foaming of not foaming of skinning.
Embodiment 3
Cotton stalk powder/PVC foam matrix material component is following parts by weight:
100 parts, polyvinyl chloride resin powder, 30 parts, cotton stalk powder, lead is 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 high-speed mixer, add coupling agent to stir at 80～90 DEG C and within 20 minutes, make wood powder activation;
(2) in proportion all materials are joined in mixer, mixture is even;
(3) forcing machine is matched with mould, cooling and shaping device, towing mechanism, cutting unit;
(4) set machine barrel, die head temperature (taking " 80 " twin screw extruder as example), one 140 DEG C, district, 150 DEG C, 2nd district, 165 DEG C, 3rd district, 170 DEG C, 4th district, 165 DEG C of head 180 DEG C, mouthful moulds, open water coolant, cooling and shaping device, towing mechanism, cutting unit, mixed ingredients is put in forcing machine, adjust main frame and reinforced rotating speed to steadily extruding, can obtain and there is smooth surface and the loose inner Wood-plastic foam material of uniform in foaming of not foaming of skinning.
Claims (6)
1. cotton stalk powder/polyvinyl chloride foam matrix material, has the component of following parts by weight:
100 parts of polyvinyl chloride resin powder,
10～30 parts, cotton stalk powder, the granularity of cotton stalk is 40-300 order,
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 esters of acrylic acid modification agents,
1～2.0 part of lubricant,
10～20 parts of weighting agents.
2. cotton stalk powder/polyvinyl chloride foam matrix material according to claim 1, wherein, one package stabilizer is that lead is one package stabilizer or calcium-zinc composite stabilizing agent.
3. cotton stalk powder/polyvinyl chloride foam matrix material according to claim 1, wherein, esters of acrylic acid modification agent is esters of acrylic acid.
4. cotton stalk powder/polyvinyl chloride foam matrix material according to claim 1, wherein, lubricant is any or combination in stearic acid, calcium stearate, barium stearate, Zinic stearas, paraffin, PE wax, OPE wax.
5. cotton stalk powder/polyvinyl chloride foam matrix material according to claim 1, wherein, described weighting agent is any or its combination in calcium carbonate, talcum powder, titanium dioxide.
6. cotton stalk powder/polyvinyl chloride foam matrix material according to claim 1, wherein, add have oxidation inhibitor, fire retardant and tinting material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010233489.9A CN102336978B (en) | 2010-07-16 | 2010-07-16 | Cotton stalk powder/polyvinyl chloride (PVC) crust foaming composite material and formation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010233489.9A CN102336978B (en) | 2010-07-16 | 2010-07-16 | Cotton stalk powder/polyvinyl chloride (PVC) crust foaming composite material and formation process thereof |
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| Publication Number | Publication Date |
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| CN102336978A CN102336978A (en) | 2012-02-01 |
| CN102336978B true CN102336978B (en) | 2014-08-13 |
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| CN201010233489.9A Active CN102336978B (en) | 2010-07-16 | 2010-07-16 | Cotton stalk powder/polyvinyl chloride (PVC) crust foaming composite material and formation process thereof |
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| 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 |
| CN102558716B (en) * | 2012-03-06 | 2013-11-06 | 李雪连 | 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 |
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| CN103358629A (en) * | 2013-05-14 | 2013-10-23 | 泰州市华丽塑料有限公司 | Straw wood-plastic composite board |
| CN103627112B (en) * | 2013-11-01 | 2016-01-27 | 安徽环嘉天一再生资源有限公司 | A kind of PVC fine foaming wood-plastic coiled material |
| 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 |
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| 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 |
| CN112940408A (en) * | 2020-08-27 | 2021-06-11 | 浙江兰溪金立达框业有限公司 | WPC (wood-plastic composite) special photo frame material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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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 |
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Owner name: GUANGZHOU CHEMISTRY CO., LTD. CHINESE ACADEMY OF S Free format text: FORMER OWNER: GUANGZHOU CHEMISTRY CO., LTD. CHINESE ACADEMY OF SCIENCES Effective date: 20140709 |
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Effective date of registration: 20140709 Address after: 266101 Shandong Province, Qingdao city Laoshan District Songling Road No. 189 Applicant after: Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences Applicant after: Guangzhou Chemistry Co., Ltd. Chinese Academy of Sciences Applicant after: Tongling Zhong Ke true tumor Materials Co., Ltd Address before: 266101 Shandong Province, Qingdao city Laoshan District Songling Road No. 189 Applicant before: Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences Applicant before: Guangzhou Chemistry Co., Ltd. Chinese Academy of Sciences |
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