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Wood-plastic wall panel and production method thereof

A wall panel and wood-plastic technology, applied in the field of building boards, can solve the problems of poor water resistance, easy aging, easy deformation, etc., and achieve the effect of preventing mold or insects, not easy to age, and buffering external impact

Inactive Publication Date: 2016-09-28
宣恩九发科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The wood-plastic wall panels currently on the market are prone to aging after long-term use. In addition, the material has poor water resistance, and it is easy to deform and bulge after absorbing water.

Method used

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  • Wood-plastic wall panel and production method thereof
  • Wood-plastic wall panel and production method thereof
  • Wood-plastic wall panel and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The preparation of the wood-plastic wall panel of this embodiment comprises the following steps,

[0021] S1, crushing 50 parts of bamboo fiber to more than 40 meshes, and then mixing evenly with 50 parts of PVC-8s resin and 30 parts of oxidized starch;

[0022] S2, add 1 part of ACR401, 3 parts of CPE, 0.1 part of paraffin, 0.5 part of yellow foaming agent, 3 parts of foam regulator-100, 0.1 part of PE wax, 0.5 part of stearic acid and heat up to 60 ° C, add 3 parts of hydroxyl Aqueous solution of sodium cellulose, reacted for 1 hour, dried;

[0023] S3, extruding to obtain a wood-plastic wall panel.

[0024] After testing, the wood-plastic wall panel prepared in this embodiment,

[0025] Pull strength: ≥8.0%;

[0026] Water absorption (one standard atmospheric pressure): ≤3%;

[0027] Shore hardness (a): ≥47;

[0028] Apparent density: ≥0.45g / ml;

[0029] Impact strength: ≥14.4KJ / m 2 .

Embodiment 2

[0031] The preparation of the wood-plastic wall panel of this embodiment comprises the following steps,

[0032] S1, mix and pulverize 65 parts of bamboo fiber and bamboo powder to more than 40 meshes, then mix evenly with 50 parts of PVC-8s resin and 30-50 parts of oxidized starch;

[0033] S2, add 1-3 parts of ACR401, 3-5 parts of CPE, 0.1-1 part of paraffin wax, 0.8 parts of yellow foaming agent, 5 parts of foaming regulator-100, 0.5 parts of PE wax, 1 part of stearic acid and heat up to 75 ℃, add 4 parts of aqueous solution of sodium hydroxycellulose, react for 1.5 hours, and dry;

[0034] S3, extruding to obtain a wood-plastic wall panel.

[0035] After testing, the wood-plastic wall panel prepared in this embodiment,

[0036] Pull strength: ≥8.0%;

[0037] Water absorption (one standard atmospheric pressure): ≤3%;

[0038] Shore hardness (a): ≥47;

[0039] Apparent density: ≥0.45g / ml;

[0040] Impact strength: ≥14.4KJ / m 2 .

Embodiment 3

[0042] The preparation of the wood-plastic wall panel of this embodiment comprises the following steps,

[0043] S1, pulverize 80 parts of bamboo powder to more than 40 meshes, then mix evenly with 50 parts of PVC-8s resin and 50 parts of oxidized starch;

[0044] S2, add 3 parts of ACR401, 5 parts of CPE, 1 part of paraffin wax, 1 part of yellow foaming agent, 7 parts of foam regulator-100, 1 part of PE wax, 1.5 parts of stearic acid and raise the temperature to 85 ° C, add 5 parts of hydroxyl Aqueous solution of sodium cellulose, reacted for 2 hours, and dried;

[0045] S3, extruding to obtain a wood-plastic wall panel.

[0046] After testing, the wood-plastic wall panel prepared in this embodiment,

[0047] Pull strength: ≥8.0%;

[0048] Water absorption (one standard atmospheric pressure): ≤3%;

[0049] Shore hardness (a): ≥47;

[0050] Apparent density: ≥0.45g / ml;

[0051] Impact strength: ≥14.4KJ / m 2 .

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Abstract

The invention provides a wood-plastic wall panel and a production method thereof. By adding bamboo fiber or bamboo powder and oxidized starch, a network structure is formed under the curing and crosslinking action of sodium hydroxycellulose. On the one hand, the network structure can be Effectively buffer the external impact and reduce the brittleness of the board; secondly, the bamboo fiber or bamboo powder particles can be filled in the gaps of the PCV resin particles, so that the strength of the board is greatly improved, and as time goes by, the strength of the board will become stronger. Higher, acid and alkali, light and rain corrosion, not easy to age, prevent mold or insects; third, can greatly reduce the amount of calcium carbonate and wood powder, reduce the water absorption of the board.

Description

technical field [0001] The invention relates to the technical field of building panels, in particular to a wood-plastic wall panel and a production method thereof. Background technique [0002] Wood-plastic wall panel, wood-plastic, that is, wood-plastic composite material, is a new type of composite material that has been booming at home and abroad in recent years. It refers to the use of polyethylene, polypropylene and polyvinyl chloride instead of the usual resin adhesive, with more than 35% -More than 70% of wood flour, rice husk, straw and other waste plant fibers are mixed into new wood materials, and then processed by extrusion, molding, injection molding and other plastic processing techniques to produce plates or profiles. Mainly used in building materials, furniture, logistics packaging and other industries. The board formed by hot extrusion after mixing plastic and wood powder in a certain proportion is called extruded wood-plastic composite board. [0003] The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L27/06C08L3/10C08L33/04C08L23/28C08L91/06C08L23/06C08L1/28
CPCC08L97/02C08L27/06C08L2201/08C08L2203/14C08L2205/035C08L2312/00C08L3/10C08L33/04C08L23/286C08L91/06C08L23/06C08L1/284
Inventor 何青珍龙明红卓发亮
Owner 宣恩九发科技有限公司
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