CN101519534A - Wood-plastic composite material and manufacturing method thereof - Google Patents
Wood-plastic composite material and manufacturing method thereof Download PDFInfo
- Publication number
- CN101519534A CN101519534A CN200910020012A CN200910020012A CN101519534A CN 101519534 A CN101519534 A CN 101519534A CN 200910020012 A CN200910020012 A CN 200910020012A CN 200910020012 A CN200910020012 A CN 200910020012A CN 101519534 A CN101519534 A CN 101519534A
- Authority
- CN
- China
- Prior art keywords
- cotton stalk
- plastic composite
- stalk powder
- percent
- wood
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
- B29C48/9185—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention discloses a wood-plastic composite material and a manufacturing method thereof. The main raw materials comprise 35 to 70 percent of cotton stalk powder, 15 to 50 percent of polyvinyl chloride, 5 to 15 percent of calcium carbonate, 1 to 3 percent of chlorinated polyethylene, 5 to 9 percent of modifying agent, and the like; and the manufacturing method comprises: processing cotton stalks into the cotton stalk powder with a fineness of 50 to 100 meshes, drying and dehydrating the cotton stalk powder to ensure that the water content of the cotton stalk powder is less than or equal to 2 percent, then fully mixing the raw materials, extruding the mixture by an extruder, and molding the mixture. The wood-plastic composite material has the advantages of heat insulation, good leak tightness, high strength, good weather resisting property, ageing resistance, good moisture-proof effect, and smooth and beautiful appearance.
Description
Affiliated technical field
The present invention relates to a kind of wood plastic composite and manufacture method thereof, especially relate to a kind of heat insulation, good airproof performance, intensity height, good weatherability, anti-aging, modified composite material that moisture-proof is effective.
Background technology
Compound wood-plastic material (hereinafter to be referred as wood plastic composite) is a kind of type material that development in recent years is got up, with xylon or vegetable fibre fill, enhanced modified thermoplastic material, have the performance and the characteristics of timber and plastics concurrently, through extruding or compression moulding is section bar, sheet material, substitute timber and plastics, and recyclable.
Wood plastic composite organically combines the advantage of two kinds of differing materials, both can glue together, paint as timber, and also can follow closely, bore, processing such as plane, but once shaped processing again, having not, burn into does not absorb water, the dimensional stability advantages of higher.
At present, known wood plastic composite performance is on the low side, and so unstable product quality is in the prior art, the content of wood powder is all below 40% in the wood plastic composite, thereby the wood plastic composite performance is undesirable, and the performance of material is more as plastics rather than timber, if pulvis content is increased to more than 50%, its processing characteristics, intensity all can have improvement, but the product mechanical property can reduce, thereby causes quality product can't satisfy use.
Patent (application number is 901026395) for " composite of wood and plastics ", its plastics are limited to reprocessed plastic(s), the apparatus and process of the processing of fibre of plant particle and plastic raw materials and employing is conventional mixing and compacting in its raw material, so its product is failed practical application.Also have a patent " lignin plastics " patent (application number is 94113968.9), be to utilize mold pressing or injection moulding production, but fail to solve the low problem of abutted surface bonding strength between the wood powder plastics.
In addition, the Cotton in China plantation is extensive, and utilize cotton stalk powder to make filamentary material production wood plastic composite does not have use always.
Summary of the invention
The object of the present invention is to provide a kind of wood plastic composite and manufacture method thereof, that especially sharp cotton stalk powder is done is filamentary material, heat insulation, good airproof performance, intensity height, good weatherability, anti-aging, moisture-proof is effective, smooth in appearance is attractive in appearance modified composite material.
The present invention realizes above-mentioned purpose by following composition, and said composition comprises (weight percent):
Cotton stalk powder: 35%-70%
Polyvinyl chloride: 15%-50%
Lime carbonate: 5%-15%
Chlorinatedpolyethylene: 1%-3%
Properties-correcting agent: 5%-9%.
Wherein properties-correcting agent comprises:
PVC whipping agent: 1%-2%
AC whipping agent: 1%-2%
Dibasic lead phosphite＜0.5%-1%
Dibasic lead stearate＜0.5%-1%
Macromolecule wax: 1%-2%
ACR—401： 1％—2％
Pigment: trace.
The concrete grammar of above-mentioned composition preparation is as follows:
It is 50-100 purpose cotton stalk powders that the cotton stalk is processed into fineness, and drying, dehydration make its water content≤2%, then with cotton stalk powder, polyvinyl chloride, lime carbonate, chlorinatedpolyethylene, properties-correcting agent thorough mixing, through extruder for shaping.
For improving the quality product of wood plastic composite, also should be noted that the following aspects, the temperature of forcing machine is 150 ℃-190 ℃, 35 ℃-60 ℃ of shaper temperature, 145 ℃-200 ℃ of cross-head temperature, temperature of cooling water≤45 ℃, cross-head pressure is 1Mpa-35Mpa.
In the above-mentioned composition, PVC whipping agent, AC whipping agent be product hardness and toughness for a change, and chlorinatedpolyethylene is a compatilizer, and ACR-1 is a softening agent, and macromolecule wax is a lubricant, and lead stearate and dibasic lead phosphite are thermo-stabilizer, and lime carbonate is reinforced filling.
By the modified composite material of woods and plastics of above explained hereafter processing, produce various products, its performance reaches the wood-plastic door window fully, the requirement of building template and other high-grade wood-plastic products.Have the following advantages:
1, utilize the cotton stalk to make raw material, the source is abundant, and cost is low;
2, cotton stalk fiber is long, easy grinding, the fineness height, can be in plastic substrate homodisperse, loosing makes that the finished product wood grain is clear;
3, resulting product excellent performance, and can dig, saw, processing such as cutter, do not corrode, sound insulation, thermal insulation are good.
Embodiment
The present invention is further described below in conjunction with preferred embodiment:
A kind of wood plastic composite and manufacture method thereof, said composition comprises:
Cotton stalk powder: 35%-70%
Polyvinyl chloride: 15%-50%
Lime carbonate: 5%-15%
Chlorinatedpolyethylene: 1%-3%
Properties-correcting agent: 5%-9%;
Above per-cent all is weight percentage, and is as the criterion with the gross weight of product.
Properties-correcting agent comprises:
PVC whipping agent: 1%-2%
AC whipping agent: 1%-2%
Dibasic lead phosphite＜0.5%-1%
Dibasic lead stearate＜0.5%-1%
Macromolecule wax: 1%-2%
ACR—401： 1％—2％
Pigment: trace.
It is the cotton stalk powder of 50-100 purposes that the cotton stalk is processed into fineness, and drying, dehydration make its water content≤2%, then with cotton stalk powder, polyvinyl chloride, lime carbonate, chlorinatedpolyethylene, properties-correcting agent thorough mixing, through extruder for shaping.
The temperature of forcing machine is 150 ℃-190 ℃, 35 ℃-60 ℃ of shaper temperature, and 145 ℃-200 ℃ of cross-head temperature, temperature of cooling water≤45 ℃, cross-head pressure is 1Mpa-35Mpa.
Embodiment 1:
Withered cotton stalk is removed dust and other impurity, clean a little, after the drying, wearing into fineness through pulverizing mill is the cotton stalk powder of 70-80 purpose, and drying machine drying makes water content≤2% of cotton stalk powder.
With the raw material weight proportioning be:
Cotton stalk powder: 65%
Polyvinyl chloride: 20%
Lime carbonate: 6%
Chlorinatedpolyethylene: 3%
PVC whipping agent: 1%
AC whipping agent: 1%
Dibasic lead phosphite: 1%
Dibasic lead stearate: 1%
Macromolecule wax: 1%
ACR—401： 1％
Pigment: trace;
Raw material add the high-speed mixer thorough mixing, make Preblend.Add forcing machine again and extrude continuously,, get composite panel or piece through the mold cools down typing.
The temperature of forcing machine is 180 ℃-190 ℃, 35 ℃-60 ℃ of shaper temperature, and 180 ℃-200 ℃ of cross-head temperature, 40 ℃-45 ℃ of temperature of cooling water, cross-head pressure is about 10Mpa.
The matrix material outward appearance of gained is similar to timber, and wood grain is clear, fine and smooth, and the mode of available converted timber is carried out various processing.
Embodiment 2:
Withered cotton stalk is removed dust and other impurity, clean a little, after the drying, wearing into fineness through pulverizing mill is the cotton stalk powder of 50-60 purpose, and drying machine drying makes water content≤2% of cotton stalk powder.
With following materials of weight proportions
Cotton stalk powder: 40%
Polyvinyl chloride: 34%
Lime carbonate: 15%
Chlorinatedpolyethylene: 2.5%
PVC whipping agent: 1.5%
AC whipping agent: 2%
Dibasic lead phosphite: 0.5%
Dibasic lead stearate: 0.5%
Macromolecule wax: 2%
ACR—401： 2％
Pigment: trace;
Raw material add the high-speed mixer thorough mixing, make Preblend.Add forcing machine again and extrude continuously,, get composite panel or piece through the mold cools down typing.
The temperature of forcing machine is 160 ℃-170 ℃, 35 ℃-60 ℃ of shaper temperature, and 160 ℃-180 ℃ of cross-head temperature, 35 ℃-45 ℃ of temperature of cooling water, cross-head pressure is about 6Mpa.
The matrix material outward appearance of gained is similar to timber, and processing characteristics and plastic material are close, the bending strength height, and compressive strength is big, softening temperature is low, because the particle of cotton stalk powder is bigger, wood grain is clear, and the mode of available converted timber carries out various processing, and thermal insulation, sound insulation are good, are applicable to material of construction.
Claims (4)
1, a kind of wood plastic composite and manufacture method thereof is characterized in that said composition comprises:
Cotton stalk powder: 35%-70%
Polyvinyl chloride: 15%-50%
Lime carbonate: 5%-15%
Chlorinatedpolyethylene: 1%-3%
Properties-correcting agent: 5%-9%;
Above per-cent all is weight percentage, and is as the criterion with the gross weight of product.
2, a kind of wood plastic composite according to claim 1 and manufacture method thereof is characterized in that properties-correcting agent comprises:
PVC whipping agent: 1%-2%
AC whipping agent: 1%-2%
Dibasic lead phosphite＜0.5%-1%
Dibasic lead stearate＜0.5%-1%
Macromolecule wax: 1%-2%
ACR—401：1％—2％
Pigment: trace.
3, according to a kind of wood plastic composite and the manufacture method thereof of claim 1, it is characterized in that: it is the cotton stalk powder of 50-100 purposes that the cotton stalk is processed into fineness, drying, dehydration make its water content≤2%, then with cotton stalk powder, polyvinyl chloride, lime carbonate, chlorinatedpolyethylene, properties-correcting agent thorough mixing, through extruder for shaping.
4, a kind of wood plastic composite according to claim 3 and manufacture method thereof, the temperature that it is characterized in that forcing machine is 150 ℃-190 ℃, 35 ℃-60 ℃ of shaper temperature, 145 ℃-200 ℃ of cross-head temperature, temperature of cooling water≤45 ℃, cross-head pressure is 1Mpa-35Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910020012A CN101519534A (en) | 2009-03-23 | 2009-03-23 | Wood-plastic composite material and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910020012A CN101519534A (en) | 2009-03-23 | 2009-03-23 | Wood-plastic composite material and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101519534A true CN101519534A (en) | 2009-09-02 |
Family
ID=41080344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910020012A Pending CN101519534A (en) | 2009-03-23 | 2009-03-23 | Wood-plastic composite material and manufacturing method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514143A (en) * | 2011-12-06 | 2012-06-27 | 陈佩玲 | Manufacturing method of wood plastic product |
| 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 |
| CN102558613A (en) * | 2010-12-28 | 2012-07-11 | 上海杰事杰新材料(集团)股份有限公司 | Method for preparing natural plant cellulose reinforced thermoplastic composite material |
| 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 |
| CN103351556A (en) * | 2013-07-22 | 2013-10-16 | 常熟市辛庄镇前进五金厂 | Soft polyvinyl chloride electric cable material |
| CN103992587A (en) * | 2014-04-30 | 2014-08-20 | 山东霞光实业有限公司 | Formula of wood-plastic section material prepared by utilizing lake-region resource and production technology thereof |
| CN104164092A (en) * | 2013-05-20 | 2014-11-26 | 陕西天地筑基新材料科技有限公司 | WPC (Wood-Plastic Composite) high-polymer composite material ecological wood |
| CN104278834A (en) * | 2014-10-14 | 2015-01-14 | 吉林吉电能源有限公司 | Two-in-one plastic-wooden composite building formwork |
| CN104356545A (en) * | 2014-11-06 | 2015-02-18 | 安徽省三乐门窗幕墙工程有限公司 | High-weather-tolerance PVC wood-plastic composite material and preparation method thereof |
| CN106366687A (en) * | 2016-11-08 | 2017-02-01 | 佛山市炬业科技有限公司 | Material for making high-strength door pocket and preparation method of material |
| CN108485160A (en) * | 2018-03-26 | 2018-09-04 | 无锡盛雅生物科技有限公司佛山分公司 | A kind of preparation method of environment-friendly type bamboo-plastic composite material |
-
2009
- 2009-03-23 CN CN200910020012A patent/CN101519534A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102558613A (en) * | 2010-12-28 | 2012-07-11 | 上海杰事杰新材料(集团)股份有限公司 | Method for preparing natural plant cellulose reinforced thermoplastic composite material |
| CN102514143A (en) * | 2011-12-06 | 2012-06-27 | 陈佩玲 | Manufacturing method of wood plastic product |
| 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 |
| CN104164092A (en) * | 2013-05-20 | 2014-11-26 | 陕西天地筑基新材料科技有限公司 | WPC (Wood-Plastic Composite) high-polymer composite material ecological wood |
| CN103351556A (en) * | 2013-07-22 | 2013-10-16 | 常熟市辛庄镇前进五金厂 | Soft polyvinyl chloride electric cable material |
| CN103351556B (en) * | 2013-07-22 | 2015-04-15 | 常熟市筑紫机械有限公司 | Soft polyvinyl chloride electric cable material |
| CN103992587A (en) * | 2014-04-30 | 2014-08-20 | 山东霞光实业有限公司 | Formula of wood-plastic section material prepared by utilizing lake-region resource and production technology thereof |
| CN103992587B (en) * | 2014-04-30 | 2016-05-04 | 山东霞光实业有限公司 | A kind of Wood-plastic profiles formula and production technology thereof of utilizing lake region resource |
| CN104278834A (en) * | 2014-10-14 | 2015-01-14 | 吉林吉电能源有限公司 | Two-in-one plastic-wooden composite building formwork |
| CN104356545A (en) * | 2014-11-06 | 2015-02-18 | 安徽省三乐门窗幕墙工程有限公司 | High-weather-tolerance PVC wood-plastic composite material and preparation method thereof |
| CN106366687A (en) * | 2016-11-08 | 2017-02-01 | 佛山市炬业科技有限公司 | Material for making high-strength door pocket and preparation method of material |
| CN108485160A (en) * | 2018-03-26 | 2018-09-04 | 无锡盛雅生物科技有限公司佛山分公司 | A kind of preparation method of environment-friendly type bamboo-plastic composite material |
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Open date: 20090902 |