CN104553194A - Novel coated co-extruded wood plastic composite material and preparation method thereof - Google Patents

Novel coated co-extruded wood plastic composite material and preparation method thereof Download PDF

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Publication number
CN104553194A
CN104553194A CN201410857473.3A CN201410857473A CN104553194A CN 104553194 A CN104553194 A CN 104553194A CN 201410857473 A CN201410857473 A CN 201410857473A CN 104553194 A CN104553194 A CN 104553194A
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China
Prior art keywords
wood plastic
plastic composite
parts
coated
clad
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Pending
Application number
CN201410857473.3A
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Chinese (zh)
Inventor
陈光南
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Individual
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Individual
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Priority to CN201410857473.3A priority Critical patent/CN104553194A/en
Publication of CN104553194A publication Critical patent/CN104553194A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse

Abstract

The invention discloses a novel coated co-extruded wood plastic composite material and a preparation method thereof. The wood plastic material consists of a coating layer and a core layer. According to the novel coated co-extruded wood plastic composite material, macromolecule resin is blended with wood flour or bamboo powder to be used as main raw materials; the core layer is completely coated with the coating layer by a coating co-extrusion process; weather resistance, corrosion resistance and high-temperature resistance of the product are improved; the product has waterproofness, damp resistance and excellent machinability; the original mechanism and characteristics of logs are kept. The wood plastic material disclosed by the invention can be directly formed and processed by universal wood plastic processing mechanical equipment and has the outstanding advantages of high degree of mechanization, high production efficiency, lower cost, excellent performance, low price and high quality.

Description

A kind of novel coated co-extrusion wood plastic composite and preparation method thereof
Technical field
The invention belongs to advanced composite material (ACM) technology, be specifically related to a kind ofly join with macromolecule resin the coated co-extrusion wood plastic composite that wood powder or bamboo powder are primary raw material, the invention still further relates to the preparation method of this wood plastic composite.
Background technology
Wood plastic composite (WPC) is a kind of novel environmental protection composite, the reclaimed materials normally getting polyethylene (PE), polypropylene (PP), acrylonitrile/butadiene/styrene copolymer (ABS), polyvinyl chloride (PVC) etc. mixes with certain proportion with the waste and scrap that processing processed, add special auxiliary agent, after high temperature high pressure process, make structural shape.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 polyhybird 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 extruder extruding pelletization, or by extruder direct extrusion molding.If denomination of invention is that a kind of Wood-plastic material and preparation method thereof (notification number CN101033339 B) discloses a kind of Wood-plastic material made with waste or used plastics in mineralized waste and wood powder primary raw material; Or mixing adds stalk; And for example denomination of invention is that a kind of crop straw that utilizes produces the method (notification number CN 101186754 B) of the macromolecule composite wood-plastic material composite wood-plastic material that to disclose with powder of straw and plastics be primary raw material.
Summary of the invention
The object of this invention is to provide the coated co-extrusion lignin composite that a kind of product has excellent machinability and mechanical property.
Another object of the present invention provides the preparation method of this wood plastic composite, and it, by coated coextrusion process, improves the mechanical property of product.
The technical scheme that the present invention takes is as follows:
A kind of novel coated co-extrusion wood plastic composite, it is made up of clad and sandwich layer group, described clad 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, land plaster 12 ~ 25 parts, haloflex 3 ~ 8 parts, coupling agent 1 ~ 3 part, lubricant 2 ~ 8 parts; Described clad is made by the raw material of following weight parts: plasticity plastic material 45 ~ 65 parts, land plaster 10 ~ 15 parts, wood powder or 5 ~ 10 parts, bamboo powder, haloflex 3 ~ 8 parts, coupling agent 0.5 ~ 3 part, flexibilizer 0.5 ~ 3 part, 0.2 ~ 2 part, antioxidant, toner are a small amount of.
As improvement of the present invention, above-mentioned plasticity plastic material is PVC.
Further improve as the present invention, the thickness of above-mentioned clad is 0.2-0.5mm.
On the basis of technique scheme, above-mentioned sandwich layer Raw constituent content is preferably as follows:
Plasticity plastic material 50 parts, land plaster 20 parts, haloflex 5 parts, coupling agent 1 ~ 3 part, lubricant 2 ~ 8 parts.
Above-mentioned clad Raw constituent content is preferably as follows:
Plasticity plastic material 55 parts, land plaster 12 parts, wood powder or 8 parts, bamboo powder, haloflex 3 ~ 8 parts, coupling agent 0.5 ~ 3 part, flexibilizer 0.5 ~ 3 part, 0.2 ~ 2 part, antioxidant, toner are a small amount of.
The preparation method of a kind of novel coated co-extrusion wood plastic composite of the present invention is as follows:
Take core layer raw material and clad raw material by proportioning, be heated to 150 ~ 180 DEG C carry out banburying after, by extruder direct extrusion molding, be coated on sandwich layer by logical for clad, 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 primary raw material with macromolecule resin, be coated on sandwich layer by coated coextrusion process by logical for clad, improve the weatherability of product, corrosion resistance, heat-resisting quantity, 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.
Detailed description of the invention
Embodiment 1
A kind of novel coated co-extrusion wood plastic composite, it is made up of clad and sandwich layer group, and described sandwich layer is made by the raw material of following weight parts: plasticity plastic material 50 parts, land plaster 20 parts, haloflex 5 parts, coupling agent 2 parts, lubricant 5 parts;
Clad is made by the raw material of following weight parts: plasticity plastic material 55 parts, land plaster 12 parts, wood powder or 8 parts, bamboo powder, haloflex 5 parts, coupling agent 1 part, flexibilizer 2 parts, 1 part, antioxidant, toner are a small amount of.
Preparation method is:
Take core layer raw material and clad raw material by said ratio, be heated to 160 DEG C carry out banburying after, by extruder direct extrusion molding, be coated on sandwich layer by logical for clad, the obtained finished product of finally cooling.
Embodiment 2
A kind of novel coated co-extrusion wood plastic composite, it is made up of clad and sandwich layer group, and described sandwich layer is made by the raw material of following weight parts:
Plasticity plastic material 40 parts, land plaster 12 parts, haloflex 3 parts, coupling agent 1 part, lubricant 2 parts;
Described clad is made by the raw material of following weight parts: plasticity plastic material 45 parts, land plaster 10 parts, wood powder or 5 parts, bamboo powder, haloflex 3 parts, coupling agent 0.5 part, flexibilizer 0.5 part, 0.2 part, antioxidant, toner are a small amount of.
Preparation method is same as embodiment 1.
Embodiment 3
A kind of novel coated co-extrusion wood plastic composite, it is made up of clad and sandwich layer group, and described sandwich layer is made by the raw material of following weight parts:
Plasticity plastic material 60 parts, land plaster 25 parts, haloflex 8 parts, coupling agent 3 parts, lubricant 8 parts;
Described clad is made by the raw material of following weight parts: plasticity plastic material 65 parts, land plaster 15 parts, wood powder or 10 parts, bamboo powder, haloflex 8 parts, coupling agent 3 parts, flexibilizer 3 parts, 2 parts, antioxidant, 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 clad and sandwich layer group, and described clad 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:
Described clad is made by the raw material of following weight parts:
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 clad 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:
5. the novel coated co-extrusion wood plastic composite of one according to claim 1, it is characterized in that, described clad is made by the raw material of following weight parts:
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 clad raw material by proportioning, be heated to 150 ~ 180 DEG C carry out banburying after, by extruder direct extrusion molding, be coated on sandwich layer by logical for clad, the obtained finished product of finally cooling.
CN201410857473.3A 2014-12-31 2014-12-31 Novel coated co-extruded wood plastic composite material and preparation method thereof Pending CN104553194A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410857473.3A CN104553194A (en) 2014-12-31 2014-12-31 Novel coated co-extruded wood plastic composite material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410857473.3A CN104553194A (en) 2014-12-31 2014-12-31 Novel coated co-extruded wood plastic composite material and preparation method thereof

Publications (1)

Publication Number Publication Date
CN104553194A true CN104553194A (en) 2015-04-29

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Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105295222A (en) * 2015-10-16 2016-02-03 陈光南 Novel cladding co-extrusion wood-plastic composite material and manufacturing method thereof
CN105906918A (en) * 2016-06-24 2016-08-31 广州市禾沣环保建材有限公司 Wood plastic product with enhanced weather resistance and preparation method of wood plastic product
CN105985659A (en) * 2016-03-18 2016-10-05 王海刚 Core-shell structure based wood-plastic composite and coextrusion processing method thereof
CN106003950A (en) * 2016-06-08 2016-10-12 广东金发科技有限公司 Fiber internally-reinforced wood plastic product with high impact resistance, high folding resistance and high size stability and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105295222A (en) * 2015-10-16 2016-02-03 陈光南 Novel cladding co-extrusion wood-plastic composite material and manufacturing method thereof
CN105985659A (en) * 2016-03-18 2016-10-05 王海刚 Core-shell structure based wood-plastic composite and coextrusion processing method thereof
CN106003950A (en) * 2016-06-08 2016-10-12 广东金发科技有限公司 Fiber internally-reinforced wood plastic product with high impact resistance, high folding resistance and high size stability and preparation method thereof
CN106003950B (en) * 2016-06-08 2018-01-30 广东金发科技有限公司 High-impact, high anti-folding, the interior enhancing wood plastic product of the fiber of high-dimensional stability and preparation method thereof
CN105906918A (en) * 2016-06-24 2016-08-31 广州市禾沣环保建材有限公司 Wood plastic product with enhanced weather resistance and preparation method of wood plastic product

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Application publication date: 20150429

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