CN107118421A - A kind of high temperature resistant wood plastic composite and preparation method thereof - Google Patents
A kind of high temperature resistant wood plastic composite and preparation method thereof Download PDFInfo
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- CN107118421A CN107118421A CN201710443848.5A CN201710443848A CN107118421A CN 107118421 A CN107118421 A CN 107118421A CN 201710443848 A CN201710443848 A CN 201710443848A CN 107118421 A CN107118421 A CN 107118421A
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- 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
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/267—Magnesium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- Polymers & Plastics (AREA)
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Abstract
The invention discloses a kind of high temperature resistant wood plastic composite and preparation method thereof, in terms of mass fraction, the material includes：50 60 parts of polyethylene, 25 30 parts of vegetable material, 10 15 parts of refractory agent, 34 parts of coupling agent, 23 parts of lubricant, wherein, the refractory agent is the mixture of wollastonite in powder and magnesite powder, and the mass ratio of the wollastonite in powder and the magnesite powder is 1:0.5‑0.8；The present invention is used as refractory agent by adding the mixture of wollastonite in powder and magnesite powder in wood plastic composite, the temperature tolerance of wood plastic composite is improved, while also a certain degree of comprehensive mechanical property for improving wood plastic composite.
Description
Technical field
The present invention relates to Wood-plastic material field, more particularly, to a kind of high temperature resistant wood plastic composite and its preparation side
Method.
Background technology
Wood-plastic composite panel is that a kind of main material based on timber (lignose, plant cellulose) and thermoplasticity are high
Molecular material (plastics) and processing aid etc., the high-tech for heating extrusion molding through die apparatus again after being well mixed and being made are green
Colour circle protects new decorative material, has the performance and feature of timber and plastics concurrently, is that can substitute the NEW TYPE OF COMPOSITE material of timber and plastics
Material.Wood plastic composite has the advantages that service life length, plasticity is strong and environment protection health as advanced composite material (ACM), but
It is that current wood plastic composite resistance to elevated temperatures is poor, it is therefore necessary to which a kind of high temperature resistant wood plastic composite is provided.
The content of the invention
It is an object of the invention to provide a kind of high temperature resistant wood plastic composite, by adding refractory agent, wood plastics composite is improved
The temperature tolerance of material.
To achieve these goals, an aspect of of the present present invention provides a kind of high temperature resistant wood plastic composite, with mass fraction
Meter, the material includes：50-60 parts of polyethylene, 25-30 parts of vegetable material, 10-15 parts of refractory agent, 3-4 parts of coupling agent, lubricant
2-3 parts, wherein, the refractory agent is the mixture of wollastonite in powder and magnesite powder, the wollastonite in powder and the magnesite powder
Mass ratio be 1:0.5-0.8.
Another aspect of the present invention provides a kind of preparation method of described high-strength wood plastic composite, and this method includes：
(1) refractory agent and coupling agent are well mixed first, then add polyethylene, vegetable material, lubricant, continue to mix；(2) will
Mixed material obtained by step 1 adds single screw extrusion machine and granulated, and wood plastic composite master batch is made；(3) by the wood
Plastic composite materials master batch, which is put into double screw extruder, is processed into sheet material.
By above-mentioned technical proposal, the present invention in wood plastic composite by adding the mixed of wollastonite in powder and magnesite powder
Compound improves the temperature tolerance of wood plastic composite as refractory agent, while also a certain degree of improve wood plastic composite
Comprehensive mechanical property.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Embodiment
The preferred embodiment of the present invention is described in more detail below.Although describing the side of being preferable to carry out of the present invention
Formula, however, it is to be appreciated that may be realized in various forms the present invention without that should be limited by embodiments set forth herein.Phase
Instead there is provided these embodiments be in order that the present invention is more thorough and complete, and can be by the scope of the present invention intactly
Convey to those skilled in the art.
An aspect of of the present present invention provides a kind of high temperature resistant wood plastic composite, and in terms of mass fraction, the material includes：Poly- second
50-60 parts of alkene, 25-30 parts of vegetable material, 10-15 parts of refractory agent, 3-4 parts of coupling agent, 2-3 parts of lubricant, wherein, the heatproof
Agent is the mixture of wollastonite in powder and magnesite powder, and the mass ratio of the wollastonite in powder and the magnesite powder is 1:0.5-0.8.
In accordance with the present invention it is preferred that, the polyethylene includes LLDPE and high density polyethylene (HDPE).
In accordance with the present invention it is preferred that, the mass ratio of the LLDPE and the high density polyethylene (HDPE) is
(0.25-0.35):1。
In accordance with the present invention it is preferred that, the vegetable material is the mixture of wood powder, bamboo powder and powdered rice hulls.
In accordance with the present invention it is preferred that, the mass ratio of the wood powder, the bamboo powder and the powdered rice hulls is 1:(0.2-0.3):
(0.1-0.15)。
In accordance with the present invention it is preferred that, the coupling agent is silane coupler and/or titanate coupling agent.
Addition coupling agent can improve resin and refractory agent, the compatibility of vegetable material.
In accordance with the present invention it is preferred that, the lubricant is Tissuemat E, polypropylene wax, paraffin, stearic acid and stearic acid fourth
At least one of ester.
Preferably, each component included by high temperature resistant wood plastic composite that the present invention is provided can lead to
Cross commercially available.
Another aspect of the present invention provides a kind of preparation method of described high temperature resistant wood plastic composite, this method bag
Include：(1) refractory agent and coupling agent are well mixed first, then add polyethylene, vegetable material, lubricant, continue to mix；
(2) mixed material obtained by step 1 is added into single screw extrusion machine to be granulated, wood plastic composite master batch is made；(3) by institute
State wood plastic composite master batch and be put into double screw extruder and be processed into sheet material.
In accordance with the present invention it is preferred that, one section, two sections, three sections, four sections, five sections, six sections of the single screw extrusion machine and head
Temperature be respectively：125-135 DEG C, 135-145 DEG C, 145-155 DEG C, 160-170 DEG C, 170-180 DEG C, 180-190 DEG C and
190-200℃。
In accordance with the present invention it is preferred that, one section, two sections, three sections, four sections, five sections, six sections of the double screw extruder and head
Temperature be respectively：125-135 DEG C, 135-145 DEG C, 145-155 DEG C, 160-170 DEG C, 170-180 DEG C, 180-190 DEG C and
190-200℃。
The present invention is further illustrated by the following examples.
Embodiment 1
The high temperature resistant wood plastic composite that the present invention is provided, in terms of mass fraction, preparing the material includes following material：It is poly-
50 parts of ethene, 25 parts of vegetable material, 10 parts of refractory agent, 3 parts of coupling agent, 2 parts of lubricant, wherein, the refractory agent is wollastonite
The mass ratio of the mixture of powder and magnesite powder, the wollastonite in powder and the magnesite powder is 1:0.5；Wherein, the poly- second
Alkene includes LLDPE and high density polyethylene (HDPE), the LLDPE and the high density polyethylene (HDPE)
Mass ratio is 0.3:1, the vegetable material is the mixture of wood powder, bamboo powder and powdered rice hulls, the wood powder, the bamboo powder and described
The mass ratio of powdered rice hulls is 1:0.25:0.125, the coupling agent is silane coupler, and the lubricant is Tissuemat E；
The preparation method of the present embodiment is：(1) refractory agent and coupling agent are well mixed first, then add polyethylene,
Vegetable material, lubricant, continue to mix；(2) mixed material obtained by step 1 is added into single screw extrusion machine to be granulated, made
Obtain wood plastic composite master batch；(3) the wood plastic composite master batch is put into double screw extruder and is processed into sheet material；Its
In, the temperature of one section, two sections, three sections, four sections, five sections, six sections of the single screw extrusion machine and head is respectively：130℃、140
DEG C, 150 DEG C, 165 DEG C, 175 DEG C, 185 DEG C and 195 DEG C, one section of the double screw extruder, two sections, three sections, four sections, five sections, six
Section and the temperature of head are respectively：130 DEG C, 140 DEG C, 150 DEG C, 165 DEG C, 175 DEG C, 185 DEG C and 195 DEG C.
Embodiment 2
The high temperature resistant wood plastic composite that the present invention is provided, in terms of mass fraction, preparing the material includes following material：It is poly-
55 parts of ethene, 28 parts of vegetable material, 13 parts of refractory agent, 3.5 parts of coupling agent, 2.5 parts of lubricant, wherein, the refractory agent is silicon
The mass ratio of the mixture of limestone flour and magnesite powder, the wollastonite in powder and the magnesite powder is 1:0.7；Wherein, it is described
Polyethylene includes LLDPE and high density polyethylene (HDPE), the LLDPE and the high-density polyethylene
The mass ratio of alkene is 0.3:1, the vegetable material be wood powder, bamboo powder and powdered rice hulls mixture, the wood powder, the bamboo powder and
The mass ratio of the powdered rice hulls is 1:0.25:0.125, the coupling agent is silane coupler, and the lubricant is Tissuemat E；
The preparation method be the same as Example 1 of the present embodiment.
Embodiment 3
The high temperature resistant wood plastic composite that the present invention is provided, in terms of mass fraction, preparing the material includes following material：It is poly-
60 parts of ethene, 30 parts of vegetable material, 15 parts of refractory agent, 4 parts of coupling agent, 3 parts of lubricant, wherein, the refractory agent is wollastonite
The mass ratio of the mixture of powder and magnesite powder, the wollastonite in powder and the magnesite powder is 1:0.8；Wherein, the poly- second
Alkene includes LLDPE and high density polyethylene (HDPE), the LLDPE and the high density polyethylene (HDPE)
Mass ratio is 0.3:1, the vegetable material is the mixture of wood powder, bamboo powder and powdered rice hulls, the wood powder, the bamboo powder and described
The mass ratio of powdered rice hulls is 1:0.25:0.125, the coupling agent is silane coupler, and the lubricant is Tissuemat E；
The preparation method be the same as Example 1 of the present embodiment.
Comparative example 1
This comparative example is distinguished as the refractory agent for wollastonite in powder, other each materials and consumption and preparation with embodiment 1
Method is same as Example 1.
Comparative example 2
This comparative example is distinguished as the refractory agent for magnesite powder, other each materials and consumption and preparation with embodiment 1
Method is same as Example 1.
Comparative example 3
This comparative example is distinguished as the refractory agent for talcum powder, other each materials and consumption and preparation side with embodiment 1
Method is same as Example 1.
Comparative example 4
The mass fraction for being distinguished as the refractory agent of this comparative example and embodiment 1 is 9 parts, other each materials and consumption and
Preparation method is same as Example 1.
Comparative example 5
The mass fraction for being distinguished as the refractory agent of this comparative example and embodiment 1 is 16 parts, other each materials and consumption
It is same as Example 1 with preparation method.
Test case
According to GB1040-79 plastic tensiles test method, GB1043-79 plastics charpy impact tests method, GB2411-
80 plastics shore hardness test methods and GB1633-79 thermoplastics softening point (dimension card) test method are respectively to embodiment 1-
Embodiment 3 and comparative example 1- comparative examples 5 carry out the test of tensile strength, impact strength, hardness and Vicat softening point, test result
It is shown in Table 1.
Table 1
By test result, by adding the refractory agent of the present invention, the temperature tolerance of embodiment 1- embodiments 3 is obtained very
Good improvement, Vicat softening point is above 162 DEG C, while every mechanical property also obtains certain raising；Comparative example 1 and comparative example
2 as a result of one kind in the heatproof agent compositions that provide of the present invention, therefore temperature tolerance and every mechanical property is relative has
Declined；By contrasting 3- contrasts 5, the resistance to temp effect that the heatproof agent composition that the present invention is provided compares talcum powder will get well,
The adding proportion of refractory agent is too high simultaneously or too low can all influence the heat resistance of wood plastic composite.
It is described above various embodiments of the present invention, described above is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.
Claims (10)
1. a kind of high temperature resistant wood plastic composite, it is characterised in that in terms of mass fraction, the material includes：Polyethylene 50-60
Part, 25-30 parts of vegetable material, 10-15 parts of refractory agent, 3-4 parts of coupling agent, 2-3 parts of lubricant, wherein, the refractory agent is silicon
The mass ratio of the mixture of limestone flour and magnesite powder, the wollastonite in powder and the magnesite powder is 1:0.5-0.8.
2. high temperature resistant wood plastic composite according to claim 1, wherein, the polyethylene includes linear low density polyethylene
Alkene and high density polyethylene (HDPE).
3. high temperature resistant wood plastic composite according to claim 2, wherein, the LLDPE and the height
The mass ratio of density polyethylene is (0.25-0.35):1.
4. high temperature resistant wood plastic composite according to claim 1, wherein, the vegetable material is wood powder, bamboo powder and rice
The mixture of shell powder.
5. high temperature resistant wood plastic composite according to claim 4, wherein, the wood powder, the bamboo powder and the rice husk
The mass ratio of powder is 1:(0.2-0.3):(0.1-0.15).
6. high temperature resistant wood plastic composite according to claim 1, wherein, the coupling agent be silane coupler and/or
Titanate coupling agent.
7. high temperature resistant wood plastic composite according to claim 1, wherein, the lubricant is Tissuemat E, polypropylene
At least one of wax, paraffin, stearic acid and butyl stearate.
8. a kind of preparation method of the high temperature resistant wood plastic composite described in any one in 1-7 according to claim, it is special
Levy and be, this method includes：
(1) refractory agent and coupling agent are well mixed first, then add polyethylene, vegetable material, lubricant, continue to mix；
(2) mixed material obtained by step 1 is added into single screw extrusion machine to be granulated, wood plastic composite master batch is made；
(3) the wood plastic composite master batch is put into double screw extruder and is processed into sheet material.
9. preparation method according to claim 8, wherein, one section of the single screw extrusion machine, two sections, three sections, four sections, five
Section, the temperature of six sections and head are respectively：125-135℃、135-145℃、145-155℃、160-170℃、170-180℃、
180-190 DEG C and 190-200 DEG C.
10. preparation method according to claim 8, wherein, one section of the double screw extruder, two sections, three sections, four sections,
The temperature of five sections, six sections and head is respectively：125-135℃、135-145℃、145-155℃、160-170℃、170-180
DEG C, 180-190 DEG C and 190-200 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710443848.5A CN107118421A (en) | 2017-06-13 | 2017-06-13 | A kind of high temperature resistant wood plastic composite and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710443848.5A CN107118421A (en) | 2017-06-13 | 2017-06-13 | A kind of high temperature resistant wood plastic composite and preparation method thereof |
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| CN107118421A true CN107118421A (en) | 2017-09-01 |
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| CN201710443848.5A Withdrawn CN107118421A (en) | 2017-06-13 | 2017-06-13 | A kind of high temperature resistant wood plastic composite and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880375A (en) * | 2017-11-24 | 2018-04-06 | 江苏奥斯康新能源有限公司 | Wood flour filled LLDPE formulas |
| CN108017923A (en) * | 2017-12-27 | 2018-05-11 | 广州市德錾科技有限公司 | A kind of high temperature resistant Wood-plastic material |
| CN108395287A (en) * | 2018-06-06 | 2018-08-14 | 大连环球矿产股份有限公司 | A kind of silico-calcium magnesium mineral siliceous fertilizer produced using wollastonite（Soil conditioner）And preparation method thereof |
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| CN102250482A (en) * | 2011-06-08 | 2011-11-23 | 常州工程职业技术学院 | Improved wood-plastic composite material and preparation method thereof |
| CN103360775A (en) * | 2013-07-26 | 2013-10-23 | 广东晨宝复合材料有限公司 | PE wood plastic composite and processing and forming methods thereof |
| CN103709774A (en) * | 2013-12-20 | 2014-04-09 | 黄山美森新材料科技有限公司 | Wood-plastic composite material and preparation method thereof |
| CN106752011A (en) * | 2017-01-10 | 2017-05-31 | 东北林业大学 | Wood plastic composite of high temperature process and preparation method thereof |
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2017
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| CN102250482A (en) * | 2011-06-08 | 2011-11-23 | 常州工程职业技术学院 | Improved wood-plastic composite material and preparation method thereof |
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| CN103709774A (en) * | 2013-12-20 | 2014-04-09 | 黄山美森新材料科技有限公司 | Wood-plastic composite material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880375A (en) * | 2017-11-24 | 2018-04-06 | 江苏奥斯康新能源有限公司 | Wood flour filled LLDPE formulas |
| CN108017923A (en) * | 2017-12-27 | 2018-05-11 | 广州市德錾科技有限公司 | A kind of high temperature resistant Wood-plastic material |
| CN108395287A (en) * | 2018-06-06 | 2018-08-14 | 大连环球矿产股份有限公司 | A kind of silico-calcium magnesium mineral siliceous fertilizer produced using wollastonite（Soil conditioner）And preparation method thereof |
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Application publication date: 20170901 |