Special wood-plastic decorative sheet for production buildings and preparation method thereof

A decorative board and wood-plastic technology, which is applied in the field of wood-plastic manufacturing, can solve the problems of wood-plastic board formula and production method restrictions, influence on popularization and use, and poor compatibility between wood powder and plastic, so as to improve interface compatibility, improve Production conditions, the effect of extending the service life

Inactive Publication Date: 2014-05-21
青岛德隆园木塑板业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Combining wood flour and plastic is one of the main contents of follow-up research, but due to the poor compatibility of wood flour and plastic
At present, wood-plastic panels have gradually entered people's lives. Due to the limitations of their characteristics and shapes, the formulation and production methods of wood-plastic panels are restricted, which in turn affects the popularization and use of wood-plastic panels.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] A special wood-plastic decorative board for production of buildings and a preparation method thereof, the production process is as follows:

[0046] (1) Weigh the raw materials according to the following formula ratio:

[0047] PVC 90Kg;

[0048] Wood powder 45Kg;

[0049] Light calcium carbonate powder 45Kg;

[0050] Composite stabilizer 5Kg;

[0051] Lubricant 0.8Kg;

[0052] Foam regulator 10Kg;

[0053] AC foaming agent 1.5Kg;

[0054] Three salt 1Kg;

[0055] Plasticizer 1Kg.

[0056] The polyvinyl chloride is type 7 polyvinyl chloride.

[0057] The particle size of the wood flour is 100 mesh.

[0058] The particle diameter of described light calcium carbonate powder is 800 orders.

[0059] Described lubricant has inner lubricant and outer lubricant, and inner lubricant is stearic acid, and outer lubricant is paraffin.

[0060] The plasticizer is an external plasticizer and consists of dioctyl phthalate and epoxidized soybean oil.

[0061] (2) Put the w...

Embodiment 2

[0069] A special wood-plastic decorative board for production of buildings and a preparation method thereof, the production process is as follows:

[0070] (1) Weigh the raw materials according to the following formula ratio:

[0071] PVC 95Kg;

[0072] Wood powder 50Kg;

[0073] Light calcium carbonate powder 50Kg;

[0074] Composite stabilizer 5Kg;

[0075] Lubricant 0.8Kg;

[0076] Foam regulator 10Kg;

[0077] AC foaming agent 1.3Kg;

[0078]Three salt 0.9Kg;

[0079] Plasticizer 0.9Kg.

[0080] The polyvinyl chloride is type 7 polyvinyl chloride.

[0081] The particle size of the wood powder is 80 mesh.

[0082] Described lubricant has inner lubricant and outer lubricant, and inner lubricant is stearic acid, and outer lubricant is PE.

[0083] The plasticizer is dioctyl phthalate.

[0084] (2) Put the weighed raw materials into the mixer and mix them evenly at high speed.

[0085] (3) The mixed raw materials are put into the cooling pot and cooled by circulati...

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Abstract

The invention relates to a special wood-plastic decorative sheet for production buildings and a preparation method thereof, and belongs to the field of wood-plastic material manufacturing. The special wood-plastic decorative sheet for the production buildings comprises the following raw materials according to a weight ratio: 80-100kg of polyvinyl chloride, 35-50kg of wood powder, 35-50kg of light calcium carbonate, 2-6kg of composite stabilizer, 0.5-1.0kg of lubricant, 8-12kg of foam conditioning agent, 1.4-1.6kg of AC (Azodicarbonamide) foaming agent, 0.8-1.0kg of trisalt and 0.7-1.0kg of plasticizer. The preparation method of the special wood-plastic decorative sheet for production buildings comprises the following steps: preparing the raw materials; uniformly mixing the raw materials; cooling the mixed raw materials; adding the raw materials treated in the previous step to extrusion equipment, carrying out thermal forming by using a mold head, carrying out running water cooling molding by using a stock mold, and then carrying out extrusion mold; cutting a board obtained by extrusion molding, and leaving. The special wood-plastic decorative sheet has the effects of water resistance, moisture protection and mold prevention.

Description

technical field [0001] The invention relates to the field of wood-plastic manufacturing, in particular to a special-purpose wood-plastic decorative board for production and a preparation method thereof. Background technique [0002] The production of wood-plastic decorative panels for construction is a new type of composite material that has been booming at home and abroad in recent years. Usually, polyvinyl chloride is used instead of the usual resin adhesive, and more than 30% of waste plant fibers such as wood powder, rice husk, and straw It is mixed into new wood materials, and then processed by extrusion, molding, injection molding and other plastic processing techniques to produce boards or profiles. Natural wood boards have defects such as easy shrinkage and cracking, mutability when exposed to water, and flammability when exposed to fire. Physically harmless. Compounding wood powder and plastic is one of the main contents of follow-up research, but due to the poor ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L97/02C08K13/02C08K3/26C08K5/09C08J9/10
Inventor 解海涛侯伟
Owner 青岛德隆园木塑板业科技有限公司
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