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Crops waste material regenerated composite plastic plate and its production process

A technology for composite plastic sheets and crops, which is applied in the field of recycled composite plastic sheets and their production processes, can solve the problems of unsatisfactory finish and color uniformity of carbon fiber plastic sheets, poor fluidity of composite materials, and high filling amount of carbon fibers, and can achieve production Wide source of raw materials, good thermal stability and low cost

Inactive Publication Date: 2012-06-06
HUNAN ZHONGYUE PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the carbon fiber plastic produced by the traditional process has a high filling content of carbon fiber, which leads to poor fluidity of the composite material, affects the appearance of the product, and causes certain wear and tear on the processing equipment, and the carbon fiber plastic sheet produced is not stable. Smoothness and color uniformity are not ideal

Method used

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  • Crops waste material regenerated composite plastic plate and its production process
  • Crops waste material regenerated composite plastic plate and its production process
  • Crops waste material regenerated composite plastic plate and its production process

Examples

Experimental program
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Effect test

Embodiment 1

[0035]Embodiment 1: The technical solution of the present invention relates to a kind of crop waste recycled composite plastic board, and its composition comprises the raw material of following weight ratio: waste PVC powder 100 parts, crop waste scrap 20-30 parts, composite stabilizer 5-7 3-5 parts, processing aid ACR 3-5 parts, impact modifier CPE 5-8 parts, lubricant 0.8-1 part, filler 8-10 parts, colorant 0.1-0.2 parts, anti-ultraviolet agent 0.01-0.015 parts .

[0036] The composite stabilizer refers to the mixture of tri-salt, di-salt and metal soap in the reaction system with nascent grain size and various lubricants by using the symbiotic reaction technology, and the processing aid refers to the acrylic acid series Resin, impact modifier refers to chlorinated polyethylene, lubricant refers to paraffin and stearic acid, filler refers to CaCO 3 , the coloring agent refers to a pigment, and the anti-ultraviolet agent refers to 2-hydroxy-4-methoxybenzophenone.

Embodiment 2

[0037] Embodiment 2: The method of improving the color uniformity of the recycled composite plastic board from crop waste The operation steps of the invention are as follows:

[0038] (1) First sort, crush, clean and grind the waste PVC material and crop waste, and add bleaching powder and dilute hydrochloric acid to the grinding material to fade the color;

[0039] (2) Send the faded powder to a magnetic stirrer and add azodicarbonamide for pretreatment before modification;

[0040] (3) The pretreated powder is then passed through the "secondary stirring device", adding aluminate coupling agent and butyl acrylate coupling agent to carry out molecular modification of PVC;

[0041] (4) PVC powder particles enter the granulator through the discharge pipe, add colorants and processing aids, knead, homogenize, and granulate;

[0042] (5) After granulation, it is transported to the feeder in the molding workshop through the transmission channel, and enters the extruder from the ba...

Embodiment 3

[0044] Embodiment 3: The method of improving the surface finish of the crop waste recycled composite plastic board The operation steps of the invention are as follows:

[0045] Firstly, the waste PVC material and crop waste are sorted, crushed, cleaned, and pulverized, and then include:

[0046] (1) The milled powder is transported to the suspension reaction kettle through the belt, and azodicarbonamide, dilute hydrochloric acid, etc. are added to stir and react, and by adjusting the stirring intensity, the particle size and particle size distribution of PVC are controlled, and PVC molecules are formed on the surface of the particles. The coating film makes the PVC resin particles regular in shape and uniform in particle size;

[0047] (2) The PVC slurry directly enters the stripping tower through the discharge port of the reaction kettle. After the azodicarbonamide substance in the PVC particles is removed, it is sent to the drying tower for centrifugal dehydration through a ...

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Abstract

The invention provides a crops waste material regenerated composite plastic plate and its production process, the process comprises the following steps: using a waste and old PVC material and a crop waste material as raw materials, classifying, fragmenting, cleaning, drying, milling, pretreating, molecule modifying to prepare crops waste material regenerated composite plastic plate. No pollutant is generated during the whole production process, the energy consumption is low, the regenerated composite plastic plate has the advantages of low price and stable quality.

Description

technical field [0001] The invention relates to a composite plastic board and its production process, in particular to a regenerated composite plastic board using waste PVC and crop waste chips as raw materials and its production process. Background technique [0002] At present, the raw material PVC used in my country's doors and windows and other building materials is mainly produced by petroleum cracking, which consumes a lot of oil. At the same time, nearly one million tons of these plastics produced will be converted into waste plastics every year, and the waste plastics will be recycled and made into high-performance products. plastics is only about 15%, which is far lower than the recovery rate of waste plastics in developed countries (above 50%), and the plastics recycled in my country are mainly used to make drainage pipes and sewer pipes with lower performance requirements, and are rarely used in Preparation of high-quality carbon fiber recycled composite plastic boa...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08L97/02C08L33/00C08L23/28C08K13/02B29C47/92B29C48/92
CPCB29C48/04B29C48/92B29C2948/92514B29C2948/92542B29C2948/9259B29C2948/92704B29C2948/92885B29C2948/92895B29C2948/92952
Inventor 涂威忠
Owner HUNAN ZHONGYUE PLASTIC
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