CN105295222A - Novel cladding co-extrusion wood-plastic composite material and manufacturing method thereof - Google Patents
Novel cladding co-extrusion wood-plastic composite material and manufacturing method thereof Download PDFInfo
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- CN105295222A CN105295222A CN201510673884.1A CN201510673884A CN105295222A CN 105295222 A CN105295222 A CN 105295222A CN 201510673884 A CN201510673884 A CN 201510673884A CN 105295222 A CN105295222 A CN 105295222A
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Abstract
The invention discloses a novel cladding co-extrusion wood-plastic composite material and a manufacturing method thereof. The wood-plastic composite material is composed of a cladding layer and a core layer. Macromolecule resin with wood meal or bamboo powder is used as main raw materials, the cladding co-extrusion technology is adopted for coating the core layer with the cladding layer, the weather resistance, corrosion resistance and high temperature resistance of the novel cladding co-extrusion wood-plastic composite material are improved, and the novel cladding co-extrusion wood-plastic composite material has the waterproof, dampproof and good processing performance, and original mechanisms and characteristics of raw wood are kept. The novel cladding co-extrusion wood-plastic composite material are molded and processed and can directly utilize general wood-plastic processing machine equipment, and the novel cladding co-extrusion wood-plastic composite material has the outstanding advantages of being high in mechanical degree and production efficiency, low in cost, good in performance, excellent in quality and low in cost.
Description
Technical field
This
inventionbelong to
novelcomposite technology, is specifically related to a kind ofly join with macromolecule resin the coated co-extrusion wood plastic composite that wood powder or bamboo powder are main raw material, this
inventionalso relate to the preparation method of this wood plastic composite.
Background technology
Wood plastic composite (WPC) is a kind of
novelenvironmental protection matrix material, the reclaimed materials normally getting polyethylene (PE), polypropylene (PP), acrylonitrile/butadiene/styrene multipolymer (ABS), polyvinyl chloride (PVC) etc. mixes with certain proportion with the waste and scrap that processing treatment is crossed, add special auxiliary agent, after high temperature high pressure process, make structural shapes.Wood plastic composite has many advantages: 1. acid and alkali-resistance, chemicals-resistant, resistance to salt water are good; 2. can use at low temperatures; 3. ultraviolet resistance; 4. imputrescibility, can not ftracture or warpage etc.; And good mechanical property, low price, the feature such as easy to process, recyclable.
The raw material of wood plastic composite 98% is waste and scrap, and these waste and scraps are except plastics, and polyhybrid adds the timber such as waste and old wood, sawdust, timber branch.These waste and scraps and various auxiliary agent in the preparation, are first put together after carrying out mixing banburying by wood plastic composite, then by forcing machine extruding pelletization, or by forcing machine direct extrusion molding.As
inventionname is called that a kind of Wood-plastic material and preparation method thereof (notification number CN101033339B) discloses a kind of Wood-plastic material made with waste or used plastics in mineralized waste and wood powder main raw material; Or mixing adds stalk; And for example
inventionname is called that a kind of crop straw that utilizes produces the method (notification number CN101186754B) of the macromolecule composite wood-plastic material composite wood-plastic material that to disclose with straw powder and plastics be main raw material.
Summary of the invention
This
inventionobject be to provide the coated co-extrusion wood plastic composite that a kind of product has excellent machinability and mechanical property.
This
inventionanother object the preparation method of this wood plastic composite is provided, it, by coated coextrusion process, improves the mechanical property of product.
This
inventionthe technical scheme that Bian gets is as follows:
A kind of
novelcoated co-extrusion wood plastic composite, it is made up of coating layer and sandwich layer group, described coating layer is coated on sandwich layer by coextrusion process, and described sandwich layer is made by the raw material of following weight parts: plasticity-plastic material 40 ~ 60 parts, terra alba 12 ~ 25 parts, chlorinatedpolyethylene 3 ~ 8 parts, coupling agent 1 ~ 3 part, lubricant 2 ~ 8 parts; Described coating layer is made by the raw material of following weight parts: plasticity-plastic material 45 ~ 65 parts, terra alba 10 ~ 15 parts, wood powder or 5 ~ 10 parts, bamboo powder, chlorinatedpolyethylene 3 ~ 8 parts, coupling agent 0.5 ~ 3 part, toughner 0.5 ~ 3 part, 0.2 ~ 2 part, oxidation inhibitor, toner are a small amount of.
As this
inventionimprovement, above-mentioned plasticity-plastic material is PVC.
As this
inventionfurther improvement, the thickness of above-mentioned coating layer is 0.2-0.5mm.
On the basis of technique scheme, above-mentioned sandwich layer Raw component concentration is preferably as follows:
Plasticity-plastic material 50 parts, terra alba 20 parts, chlorinatedpolyethylene 5 parts, coupling agent 1 ~ 3 part, lubricant 2 ~ 8 parts.
Above-mentioned coating layer Raw component concentration is preferably as follows:
Plasticity-plastic material 55 parts, terra alba 12 parts, wood powder or 8 parts, bamboo powder, chlorinatedpolyethylene 3 ~ 8 parts, coupling agent 0.5 ~ 3 part, toughner 0.5 ~ 3 part, 0.2 ~ 2 part, oxidation inhibitor, toner are a small amount of.
This
inventiona kind of
novelthe preparation method of coated co-extrusion wood plastic composite is as follows:
Take core layer raw material and coating layer raw material by proportioning, be heated to 150 ~ 180 DEG C carry out banburying after, by forcing machine direct extrusion molding, be coated on sandwich layer by logical for coating layer, the obtained finished product of finally cooling.
compared with prior art, the beneficial effect that the present invention has is:
the present invention joins wood powder or bamboo powder for main raw material with macromolecule resin, be coated on sandwich layer by coated coextrusion process by logical for coating layer, improve the weathering resistance of product, erosion resistance, high thermal resistance, product has waterproof, protection against the tide and good processing characteristics, maintains the original mechanism of log and characteristic.Wood-plastic material formed machining of the present invention can directly utilize general wood to mould processing mechanical apparatus, has that mechanization degree is high, production efficiency is high, cost is lower, functional, cheap and good-quality outstanding advantages.
Accompanying drawing explanation
Below in conjunction with
accompanying drawingthe specific embodiment of the present invention is described in further detail.
fig. 1for the technique of invention
figure.
Embodiment
embodiment 1
A kind of
novelcoated co-extrusion wood plastic composite, it is made up of coating layer and sandwich layer group, and described sandwich layer is made by the raw material of following weight parts: plasticity-plastic material 50 parts, terra alba 20 parts, chlorinatedpolyethylene 5 parts, coupling agent 2 parts, lubricant 5 parts;
Coating layer is made by the raw material of following weight parts: plasticity-plastic material 55 parts, terra alba 12 parts, wood powder or 8 parts, bamboo powder, chlorinatedpolyethylene 5 parts, coupling agent 1 part, toughner 2 parts, 1 part, oxidation inhibitor, toner are a small amount of.
Preparation method is:
Take core layer raw material and coating layer raw material by said ratio, be heated to 160 DEG C carry out banburying after, by forcing machine direct extrusion molding, be coated on sandwich layer by logical for coating layer, the obtained finished product of finally cooling.
embodiment 2
A kind of
novelcoated co-extrusion wood plastic composite, it is made up of coating layer and sandwich layer group, and described sandwich layer is made by the raw material of following weight parts:
Plasticity-plastic material 40 parts, terra alba 12 parts, chlorinatedpolyethylene 3 parts, coupling agent 1 part, lubricant 2 parts;
Described coating layer is made by the raw material of following weight parts: plasticity-plastic material 45 parts, terra alba 10 parts, wood powder or 5 parts, bamboo powder, chlorinatedpolyethylene 3 parts, coupling agent 0.5 part, toughner 0.5 part, 0.2 part, oxidation inhibitor, toner are a small amount of.
Preparation method is same as embodiment 1.
embodiment 3
A kind of
novelcoated co-extrusion wood plastic composite, it is made up of coating layer and sandwich layer group, and described sandwich layer is made by the raw material of following weight parts:
Plasticity-plastic material 60 parts, terra alba 25 parts, chlorinatedpolyethylene 8 parts, coupling agent 3 parts, lubricant 8 parts;
Described coating layer is made by the raw material of following weight parts: plasticity-plastic material 65 parts, terra alba 15 parts, wood powder or 10 parts, bamboo powder, chlorinatedpolyethylene 8 parts, coupling agent 3 parts, toughner 3 parts, 2 parts, oxidation inhibitor, toner are a small amount of.
Preparation method is same as embodiment 1.
Claims (6)
1. a novel coated co-extrusion wood plastic composite, it is made up of coating layer and sandwich layer group, and described coating layer is coated on sandwich layer by coextrusion process, it is characterized in that, described sandwich layer is made by the raw material of following weight parts:
Plasticity-plastic material 40 ~ 60 parts
Terra alba 12 ~ 25 parts
Chlorinatedpolyethylene 3 ~ 8 parts
Coupling agent 1 ~ 3 part
Lubricant 2 ~ 8 parts,
Described coating layer is made by the raw material of following weight parts:
Plasticity-plastic material 45 ~ 65 parts
Terra alba 10 ~ 15 parts
Wood powder or 5 ~ 10 parts, bamboo powder
Chlorinatedpolyethylene 3 ~ 8 parts
Coupling agent 0.5 ~ 3 part
Toughner 0.5 ~ 3 part
0.2 ~ 2 part, oxidation inhibitor
Toner is a small amount of.
2. the novel coated co-extrusion wood plastic composite of one according to claim 1, is characterized in that: described plasticity-plastic material is PVC.
3. the novel coated co-extrusion wood plastic composite of one according to claim 1, is characterized in that: the thickness of described coating layer is 0.2-0.5mm.
4. the novel coated co-extrusion wood plastic composite of one according to claim 1, it is characterized in that, described sandwich layer is made by the raw material of following weight parts:
Plasticity-plastic material 50 parts
Terra alba 20 parts
Chlorinatedpolyethylene 5 parts
Coupling agent 1 ~ 3 part
Lubricant 2 ~ 8 parts.
5. the novel coated co-extrusion wood plastic composite of one according to claim 1, it is characterized in that, described coating layer is made by the raw material of following weight parts:
Plasticity-plastic material 55 parts
Terra alba 12 parts
Wood powder or 8 parts, bamboo powder
Chlorinatedpolyethylene 3 ~ 8 parts
Coupling agent 0.5 ~ 3 part
Toughner 0.5 ~ 3 part
0.2 ~ 2 part, oxidation inhibitor
Toner is a small amount of.
6. the preparation method of a kind of novel coated co-extrusion wood plastic composite according to any one of claim 1 to 5, is characterized in that comprising the steps:
Take core layer raw material and coating layer raw material by proportioning, be heated to 150 ~ 180 DEG C carry out banburying after, by forcing machine direct extrusion molding, be coated on sandwich layer by logical for coating layer, the obtained finished product of finally cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510673884.1A CN105295222A (en) | 2015-10-16 | 2015-10-16 | Novel cladding co-extrusion wood-plastic composite material and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510673884.1A CN105295222A (en) | 2015-10-16 | 2015-10-16 | Novel cladding co-extrusion wood-plastic composite material and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN105295222A true CN105295222A (en) | 2016-02-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510673884.1A Pending CN105295222A (en) | 2015-10-16 | 2015-10-16 | Novel cladding co-extrusion wood-plastic composite material and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515150A (en) * | 2016-10-27 | 2017-03-22 | 华南农业大学 | Hot-pressed wood-plastic composite with sandwich structure and manufacturing method thereof |
| CN106515156A (en) * | 2016-10-27 | 2017-03-22 | 东北林业大学 | Extruded sandwich structure wood-plastic composite material and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104553194A (en) * | 2014-12-31 | 2015-04-29 | 陈光南 | Novel coated co-extruded wood plastic composite material and preparation method thereof |
| CN104760251A (en) * | 2015-04-01 | 2015-07-08 | 华南农业大学 | Wood-plastic composite material with layered structure and production method thereof |
-
2015
- 2015-10-16 CN CN201510673884.1A patent/CN105295222A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104553194A (en) * | 2014-12-31 | 2015-04-29 | 陈光南 | Novel coated co-extruded wood plastic composite material and preparation method thereof |
| CN104760251A (en) * | 2015-04-01 | 2015-07-08 | 华南农业大学 | Wood-plastic composite material with layered structure and production method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515150A (en) * | 2016-10-27 | 2017-03-22 | 华南农业大学 | Hot-pressed wood-plastic composite with sandwich structure and manufacturing method thereof |
| CN106515156A (en) * | 2016-10-27 | 2017-03-22 | 东北林业大学 | Extruded sandwich structure wood-plastic composite material and manufacturing method thereof |
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Application publication date: 20160203 |
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