Production technology for plastic-wood plate with mixed color

A production process and technology of plastic wood board, which is applied in the field of mixed-color plastic wood board production technology, can solve the problems of single color, unsatisfactory performance, single variety of plastic wood materials, etc., and achieve the effect of good product performance, increased diversity, and reasonable raw material formula

Active Publication Date: 2014-08-27
ANHUI SENTAI WPC GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The performance of existing plastic wood products is still not ideal, and there are still some defects, such as the density and water absorption of wood plastic boards, etc

Method used

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Example Embodiment

[0017] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0018] A production process of mixed color plastic wood board,

[0019] In the granulation process, the following raw material components are added to the mixing and granulation equipment:

[0020] 50 parts of bamboo / wood powder; 20 parts of PE;

[0021] 8 parts of talcum powder; 12 parts of color powder;

[0022] 3 parts of coupling agent; 4 parts of maleic anhydride grafting.

[0023] The material is first added to the high-temperature mixing section of the mixing and granulating equipment. The mixing temperature of the high-temperature mixing section is 120°C, and the high-pressure mixing time is 15 minutes; then the material enters the granulation section, and the granulation temperature is 200°C. The time in the granulation section is 25 m...

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Abstract

The invention provides a production technology for a plastic-wood plate with mixed color, and relates to the technical field of plastic-wood material production. The production technology mainly comprises a pelleting process and an extrusion process. In the pelleting process, needed raw materials comprise 40-60% of bamboo/wood powder, 15-30% of PE, 4-10% of talcum powder, 10-15% of toner, 2-5% of a coupling agent and 3-5% of a maleic anhydride grafted material. The extrusion process comprises: mixing material particles obtained in the pelleting process with color masterbatch with stirring, then adding into an extruder for extruding to obtain plates, and controlling the pressure in a cylinder of the extruder to be 0.06 MPa by utilizing vacuum-pumping equipment connected with the cylinder. By utilizing the production technology for plastic-wood plate with mixed color, the raw-material formula is reasonable, the product performances are good, the plastic-wood plate with mixed color is produced and possesses patterns with different colors, and the variety of products is improved; and the extruder cylinder is connected with the vacuum-pumping equipment in the extrusion process, so that the interior of the cylinder is a low-pressure environment, moisture, flue gas and air in the cylinder are timely exhausted, and thus the product performances are improved.

Description

Technical field: [0001] The invention relates to the technical field of production of plastic wood materials, in particular to a production process of mixed-color plastic wood boards. Background technique: [0002] Plastic packaging waste has seriously polluted the environment, affected industrial and agricultural production, and endangered human health and the survival of animals and plants. The world's annual output of plastics has exceeded 200 million tons, and my country's plastic packaging materials have exceeded 10 million tons in 2007. After one-time use, most of these plastic packaging materials and containers have become solid waste. Plastic packaging waste is light in weight, large in size, large in quantity, difficult to degrade, and cannot be incinerated at will. Most of them are discarded beside railways, inland waters, and streets and alleys in cities and towns. Over time, they become shocking "white pollution" belts. According to the investigation of relevant...

Claims

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Application Information

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IPC IPC(8): C08L97/02C08L23/06C08K3/34B29B9/06B29C47/92B29C48/92
CPCB29C47/0011B29C47/92B29C48/04B29C48/92B29C2948/92514B29C2948/92704
Inventor 唐圣卫唐道远
Owner ANHUI SENTAI WPC GRP CO LTD
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