CN102653620A - Method for preparing wood-plastic composite material - Google Patents
Method for preparing wood-plastic composite material Download PDFInfo
- Publication number
- CN102653620A CN102653620A CN2012101430169A CN201210143016A CN102653620A CN 102653620 A CN102653620 A CN 102653620A CN 2012101430169 A CN2012101430169 A CN 2012101430169A CN 201210143016 A CN201210143016 A CN 201210143016A CN 102653620 A CN102653620 A CN 102653620A
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- Prior art keywords
- temperature
- preparation
- plastic composite
- compound
- wood
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- 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.)
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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
- B29C48/92—Measuring, controlling or regulating
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- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a method for preparing a wood-plastic composite material, belonging to the technical field of polymer material processing. The method comprises the following steps of: fully mixing wood fiber, polyethylene resin, calcium carbonate, a plasticizer, a stearic acid, a stabilizer, a lubricant and a coupling agent in a mixing machine; adding the obtained mixture in an extrusion molding machine for gelling, and then extruding the obtained product; squeezing the obtained product into a die for forming; carrying out cooling and shaping on the formed product in the die by using cooling water; and extracting the shaped product by using a dragger, and then cutting the shaped product into a finished product. A wood-plastic composite structured profile produced by using a raw material formula and processes provided by the invention is superior to other similar products in the aspects of appearance quality and physical and chemical properties.
Description
Technical field:
The invention belongs to the polymer materials processing technique field, relate in particular to a kind of preparation method of wood plastic composite.
Background technology:
Along with the continuous development of real estate, the improving constantly of people's living standard, various dalle demands are very big.Existing dalle is roughly made by following different materials: pottery, metallic substance and timber etc.The sheet material that above-mentioned different materials is made all exists some defectives and deficiency in various degree, like ceramic plate, complicacy is installed, and changes inconvenience, and is not recyclable; Metal sheet, perishable, secondary processing inconvenience; The timber plate, corrosion-resistant, resource shortage need be done and could use after surface working is handled etc.Make the deficiency of dalle for effectively overcoming current material, done many significant explorations and research in the row, various Wood-plastic materials begin to occur; Because of the composition of raw materials that has Wood-plastic material now is provided with unreasonable; And the defective of complete processing, cause existing Wood-plastic material poor, defective and deficiency such as material weight height and intensity are lower at imitative wood effect; Be necessary the prescription and the technology of existing Wood-plastic material are effectively improved, make the Wood-plastic material better quality.
Summary of the invention:
The object of the invention is intended to overcome the deficiency of prior art, and a kind of preparation method of wood plastic composite is provided, and according to the wood plastic composite of the inventive method preparation, it is good to have an imitative wood effect, and material weight is light, characteristics such as intensity height.
The present invention mainly realizes goal of the invention through following technical scheme:
A kind of preparation method of wood plastic composite, its process step is following:
A) each preparation of raw material is become compound, calculate by mass percentage, each composition of raw materials is following:
Polyvinyl chloride resin: 30%-50%
China fir powder: 5%-15%
Lime carbonate: 15%-30%
PVC feed back: the 5%-10% that gives up
Whipping agent: 1%-5%
PE wax: 1%-5%
Toner: 1%-5%;
B) with mixing in the adding of the compound described in the step a) mixing machine;
C) compound described in the step b) is added in the extrusion shaping machine, start extrusion shaping machine, and adjust extrusion shaping machine and respectively distinguish temperature, compound is pushed;
D) compound after will pushing is put into the shaper moulding;
E) the in-mold molding product is finalized the design with water quench;
F) product after the typing is carried out surface treatment.
Further, before step a) preparation compound, the China fir powder is put into drying machine and carry out drying, drying temperature is 150-200 ℃, and be 2 hours time of drying.
Wherein, the particle diameter of the China fir powder described in the step a) is the 20-150 order.
Wherein, the described mixing temperature of step b) is 120 ℃-160 ℃, and mixing time is 0.2-0.4 hour.
Wherein, the engine speed of the described extrusion shaping machine of step c) is 12-16r/min, and the feeding rotating speed is 3-7r/min; Barrel 1 district's temperature of extrusion shaping machine is 160-175 ℃, and barrel 2 district's temperature are 165-178 ℃, and barrel 3 district's temperature are 170-185 ℃, and barrel 4 district's temperature are 175-188 ℃.
Wherein, the temperature of the described shaper of step d) is 140-165 ℃.
Wherein, the described temperature of cooling water of step e) is below 10 ℃.
Wherein, the described surface treatment of step f) is for suppressing wood grain through hot roller.
Beneficial effect of the present invention is: manufacture craft of the present invention is simple; Cost of manufacture is low; The lime carbonate that the present invention's additional proportion in composition of raw materials is bigger plays the effect that coats the China fir powder, can effectively improve the resistance toheat of wood fiber material; Reduce the carbonization of xylon, thereby effectively improve the intensity of the finished product of the present invention; In composition of raw materials, add iron pigment, be aided with white titanium pigment, color stability is very high, and anti-colour fastness is good; In composition of raw materials, add whipping agent,, strengthen woodiness touch simultaneously to reach the purpose that alleviates product weight.According to the product that the inventive method is produced, have indeformablely, nondiscoloration is not ftractureed, mildew-resistant, acid and alkali-resistance, characteristics such as shock resistance is strong.
Embodiment:
Be described further in the face of technical scheme of the present invention down:
Embodiment one
The preparation method of a kind of wood plastic composite according to the invention, its system uses technology to be: get the some drying machines of putting into of 20 purpose China fir powder and carry out drying, drying temperature is 150 ℃, and be 2 hours time of drying; Get dried China fir powder of 15Kg and 30KgPVC resin, the meticulous lime carbonate of 30Kg, the 10KgPVC feed back that gives up, 5Kg whipping agent, 5KgPE wax and 5Kg toner, preparation compound; Compound is put into high-speed mixer mix, mixing temperature is 120 ℃, and the mixed at high speed time is 0.3 hour; Mixed compound is added in the extrusion shaping machine, start extrusion shaping machine, and adjust extrusion shaping machine and respectively distinguish temperature, compound is carried out the gel extruding, particularly, the engine speed of extrusion shaping machine is 12r/min, and the feeding rotating speed is 3r/min; Barrel 1 district's temperature of extrusion shaping machine is 160 ℃, and barrel 2 district's temperature are 165 ℃, and barrel 3 district's temperature are 170 ℃, and barrel 4 district's temperature are 175 ℃; Through the shaper moulding, the temperature of shaper is 140 ℃ with the compound after the above-mentioned extruding; The in-mold molding product is finalized the design with water quench, temperature of cooling water is below 10 ℃ again; Behind the cooling forming,, get finished product through hot roller compacting wood grain.
Because of having added the bigger meticulous lime carbonate of content in the present invention's prescription; The China fir powder can be coated to a certain extent, when extrusion shaping machine pushes, the resistance toheat of wood fiber material can be effectively improved at compound; Reduce the carbonization of xylon, thereby effectively improve the intensity of the finished product of the present invention.In the present invention prescription, add certain amount of foaming agent (commercially available prod all can), make blended stock in gel extrusion process to a certain degree real expanded, increase the unit internal volume, realize the purpose that quality alleviates in the finished product unit volume.Toner in the present invention's prescription is an iron pigment, is aided with white titanium pigment, and its color stability is very high, and anti-colour fastness is good, makes the imitative wood effect of the finished product better.
Embodiment two
The preparation method of a kind of wood plastic composite according to the invention, its system uses technology to be: get 80 order China fir powder and put into drying machine and carry out drying, drying temperature is 160 ℃, and be 2 hours time of drying; Get dried China fir powder of 12Kg and 40KgPVC resin, the meticulous lime carbonate of 20Kg, the 8KgPVC feed back that gives up, 4Kg whipping agent, 3KgPE wax and 3Kg toner, preparation compound; Compound is put into high-speed mixer mix, mixing temperature is 140 ℃, and mixing time is 0.4 hour; Mixed compound is added in the extrusion shaping machine, start extrusion shaping machine, and adjust extrusion shaping machine and respectively distinguish temperature, compound is pushed, particularly, the engine speed of extrusion shaping machine is 14r/min, and the feeding rotating speed is 5r/min; Barrel 1 district's temperature of extrusion shaping machine is 170 ℃, and barrel 2 district's temperature are 172 ℃, and barrel 3 district's temperature are 175 ℃, and barrel 4 district's temperature are 180 ℃; Through the shaper moulding, the temperature of shaper is 150 ℃ with the compound after the above-mentioned extruding; The in-mold molding product is finalized the design with water quench, temperature of cooling water is below 10 ℃ again; Behind the cooling forming,, get finished product through hot roller compacting wood grain.
Because of having added the bigger meticulous lime carbonate of content in the present invention's prescription; The China fir powder can be coated to a certain extent, when extrusion shaping machine pushes, the resistance toheat of wood fiber material can be effectively improved at compound; Reduce the carbonization of xylon, thereby effectively improve the intensity of the finished product of the present invention.In the present invention prescription, add certain amount of foaming agent (commercially available prod all can), make blended stock in gel extrusion process to a certain degree real expanded, increase the unit internal volume, realize the purpose that quality alleviates in the finished product unit volume.Toner in the present invention's prescription is an iron pigment, is aided with white titanium pigment, and its color stability is very high, and anti-colour fastness is good, makes the imitative wood effect of the finished product better.
Embodiment three
The preparation method of a kind of wood plastic composite according to the invention, its system uses technology to be: get 150 order China fir powder and put into drying machine and carry out drying, drying temperature is 180 ℃, and be 2 hours time of drying; Get dried China fir powder of 12Kg and 50KgPVC resin, the meticulous lime carbonate of 30Kg, the 5%KgPVC feed back that gives up, 1Kg whipping agent, 1KgPE wax and 1Kg toner, preparation compound; Compound is put into high-speed mixer mix, mixing temperature is 160 ℃, and mixing time is 0.4 hour; Mixed compound is added in the extrusion shaping machine, start extrusion shaping machine, and adjust extrusion shaping machine and respectively distinguish temperature, compound is pushed, particularly, the engine speed of extrusion shaping machine is 16r/min, and the feeding rotating speed is 7r/min; Barrel 1 district's temperature of extrusion shaping machine is 175 ℃, and barrel 2 district's temperature are 178 ℃, and barrel 3 district's temperature are 185 ℃, and barrel 4 district's temperature are 188 ℃; Through the shaper moulding, the temperature of shaper is 165 ℃ with the compound after the above-mentioned extruding; The in-mold molding product is finalized the design with water quench, temperature of cooling water is below 10 ℃ again; Behind the cooling forming,, get finished product through hot roller compacting wood grain.
Because of having added the bigger meticulous lime carbonate of content in the present invention's prescription; Can coat the China fir powder to a certain extent; At compound when extrusion molding machine for gelatination is pushed; Can effectively improve the resistance toheat of wood fiber material, reduce the carbonization of xylon, thereby effectively improve the intensity of the finished product of the present invention.In the present invention prescription, add certain amount of foaming agent (commercially available prod all can), make compound in extrusion process to a certain degree real expanded, increase the unit internal volume, realize the purpose that quality alleviates in the finished product unit volume.Toner in the present invention's prescription is an iron pigment, is aided with white titanium pigment, and its color stability is very high, and anti-colour fastness is good, makes the imitative wood effect of the finished product better.
The above only is a preferred embodiments of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, characteristic and principle change or modify, includes in patent claim of the present invention.
Claims (8)
1. the preparation method of a wood plastic composite is characterized in that, its process step is following:
A) each preparation of raw material is become compound, calculate by mass percentage, each composition of raw materials is following:
Polyvinyl chloride resin: 30%-50%
China fir powder: 5%-15%
Lime carbonate: 15%-30%
PVC feed back: the 5%-10% that gives up
Whipping agent: 1%-5%
PE wax: 1%-5%
Toner: 1%-5%;
B) with mixing in the adding of the compound described in the step a) high-speed mixer;
C) compound described in the step b) is added in the extrusion shaping machine, start extrusion shaping machine, and adjust extrusion shaping machine and respectively distinguish temperature, compound is pushed;
D) compound after will pushing is put into the shaper moulding;
E) the in-mold molding product is finalized the design with water quench;
F) product after the typing is carried out surface treatment.
2. the preparation method of a kind of wood plastic composite according to claim 1 is characterized in that: before step a) preparation compound, the China fir powder is put into drying machine and carry out drying, drying temperature is 150-200 ℃, and be 2 hours time of drying.
3. the preparation method of a kind of wood plastic composite according to claim 1, it is characterized in that: the particle diameter of the China fir powder described in the step a) is the 20-150 order.
4. the preparation method of a kind of wood plastic composite according to claim 1, it is characterized in that: the described dry mixed temperature of step b) is 120 ℃-160 ℃, and mixing time is 0.2-0.4 hour.
5. the preparation method of a kind of wood plastic composite according to claim 1, it is characterized in that: the engine speed of the described extrusion shaping machine of step c) is 12-16r/min, the feeding rotating speed is 3-7r/min; Barrel 1 district's temperature of extrusion shaping machine is 160-175 ℃, and barrel 2 district's temperature are 165-178 ℃, and barrel 3 district's temperature are 170-185 ℃, and barrel 4 district's temperature are 175-188 ℃.
6. the preparation method of a kind of wood plastic composite according to claim 1, it is characterized in that: the temperature of the described shaper of step d) is 140-165 ℃.
7. the preparation method of a kind of wood plastic composite according to claim 1, it is characterized in that: the described temperature of cooling water of step e) is below 10 ℃.
8. the preparation method of a kind of wood plastic composite according to claim 1 is characterized in that: the described surface treatment of step f) is for suppressing wood grain through hot roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101430169A CN102653620A (en) | 2012-05-10 | 2012-05-10 | Method for preparing wood-plastic composite material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101430169A CN102653620A (en) | 2012-05-10 | 2012-05-10 | Method for preparing wood-plastic composite material |
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| CN102653620A true CN102653620A (en) | 2012-09-05 |
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| CN2012101430169A Pending CN102653620A (en) | 2012-05-10 | 2012-05-10 | Method for preparing wood-plastic composite material |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924848A (en) * | 2012-11-12 | 2013-02-13 | 王四清 | Polyvinylchloride (PVC) plastic wood plank and preparation method thereof |
| CN104033085A (en) * | 2013-03-08 | 2014-09-10 | 河南新兴木塑科技有限公司 | Process for manufacturing wood-plastics European type door covered by solid wood veneer |
| CN104945784A (en) * | 2015-07-28 | 2015-09-30 | 任新年 | Acid-resistant and sun-protecting decorative board and preparation method thereof |
| CN105348841A (en) * | 2015-12-14 | 2016-02-24 | 湖南工业大学 | Cedarwood fiber-based bio-composite material and preparation method thereof |
| CN105924994A (en) * | 2016-05-18 | 2016-09-07 | 东莞铭丰生物质科技有限公司 | Wood-plastic packing box and manufacturing method thereof |
| WO2017132477A1 (en) * | 2016-01-28 | 2017-08-03 | American Aquawood, Inc. | Floor and wall covering assembly |
| CN110126228A (en) * | 2019-05-23 | 2019-08-16 | 安徽爱瑞特思新材料有限公司 | Mould the manufacturing method of plank |
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| CN101397375A (en) * | 2007-09-27 | 2009-04-01 | 上海国成塑料有限公司 | PVC low foaming wood-plastic decorating material and production method thereof |
| CN101787167A (en) * | 2010-02-26 | 2010-07-28 | 华南师范大学 | High-performance antibiosis wood plastic composite material and preparation method thereof |
| CN102002251A (en) * | 2010-11-24 | 2011-04-06 | 宁波维卡木业科技有限公司 | Wood plastic composite coiled material floor and preparation method thereof |
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2012
- 2012-05-10 CN CN2012101430169A patent/CN102653620A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101397375A (en) * | 2007-09-27 | 2009-04-01 | 上海国成塑料有限公司 | PVC low foaming wood-plastic decorating material and production method thereof |
| CN101787167A (en) * | 2010-02-26 | 2010-07-28 | 华南师范大学 | High-performance antibiosis wood plastic composite material and preparation method thereof |
| CN102002251A (en) * | 2010-11-24 | 2011-04-06 | 宁波维卡木业科技有限公司 | Wood plastic composite coiled material floor and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924848A (en) * | 2012-11-12 | 2013-02-13 | 王四清 | Polyvinylchloride (PVC) plastic wood plank and preparation method thereof |
| CN102924848B (en) * | 2012-11-12 | 2015-01-28 | 王四清 | Polyvinylchloride (PVC) plastic wood plank and preparation method thereof |
| CN104033085A (en) * | 2013-03-08 | 2014-09-10 | 河南新兴木塑科技有限公司 | Process for manufacturing wood-plastics European type door covered by solid wood veneer |
| CN104033085B (en) * | 2013-03-08 | 2016-05-04 | 河南新兴木塑科技有限公司 | A kind of wood that pastes solid wood veneer is moulded European door manufacture craft |
| CN104945784A (en) * | 2015-07-28 | 2015-09-30 | 任新年 | Acid-resistant and sun-protecting decorative board and preparation method thereof |
| CN105348841A (en) * | 2015-12-14 | 2016-02-24 | 湖南工业大学 | Cedarwood fiber-based bio-composite material and preparation method thereof |
| WO2017132477A1 (en) * | 2016-01-28 | 2017-08-03 | American Aquawood, Inc. | Floor and wall covering assembly |
| CN105924994A (en) * | 2016-05-18 | 2016-09-07 | 东莞铭丰生物质科技有限公司 | Wood-plastic packing box and manufacturing method thereof |
| CN110126228A (en) * | 2019-05-23 | 2019-08-16 | 安徽爱瑞特思新材料有限公司 | Mould the manufacturing method of plank |
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Application publication date: 20120905 |