Transparent Chlorinated Polyethylene Thermoplastic

A technology of chlorinated polyethylene and thermoplastic materials, applied in the field of plastic products, can solve the problems of physical and mechanical performance degradation, poor stability, discoloration, etc., and achieve the effects of simple and convenient preparation method, good toughness, and simple composition

Inactive Publication Date: 2011-11-30
山东旭业新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing vinyl chloride polymers have poor stability to light and heat, and will decompose at temperatures above 100°C or exposed to sunlight for a long time to produce hydrogen chloride, which will further autocatalyze and decompose, causing discoloration and rapid decline in physical and mechanical properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A transparent chlorinated polyethylene thermoplastic material consisting of 80% by mass of vinyl chloride polymer with a K value of 55 and 20% of chlorinated polyethylene: chlorinated polyethylene is composed of two different parameters Conditional

[0016] Composed of chlorinated low-pressure polyethylene B1 and B2; wherein: the percentage of chlorinated low-pressure polyethylene B1 to the total mass is 10%, the chlorine content of chlorinated low-pressure polyethylene B1 is 37%, the residual value is 0, and the expansion value is 10%. Chlorinated low-pressure polyethylene B2 accounts for 10% of the total mass. The chlorine content of chlorinated low-pressure polyethylene B2 is 37%, the residual value is 50%, and the expansion value is 1%.

Embodiment 2

[0018] A transparent chlorinated polyethylene thermoplastic material, consisting of 95% of the total mass percentage of vinyl chloride polymer with a K value of 65 and 5% of chlorinated polyethylene: the chlorinated polyethylene is composed of two The composition of chlorinated low-pressure polyethylene B1 and B2 under different parameter conditions; wherein: the percentage of chlorinated low-pressure polyethylene B1 to the total mass is 2.5%, the chlorine content of chlorinated low-pressure polyethylene B1 is 42%, and the residual value is 30%. The expansion value is 70%, and the chlorinated low-pressure polyethylene B2 accounts for 2.5% of the total mass. The chlorine content of the chlorinated low-pressure polyethylene B2 is 42%, the residual value is 70%, and the expansion value is 2%.

Embodiment 3

[0020] A transparent chlorinated polyethylene thermoplastic material, consisting of 87.5% of the total mass percentage of vinyl chloride polymer with a K value of 60 and 12.5% ​​of chlorinated polyethylene: the chlorinated polyethylene is composed of two The composition of chlorinated low-pressure polyethylene B1 and B2 under different parameter conditions; wherein: the percentage of chlorinated low-pressure polyethylene B1 to the total mass is 6%, the chlorine content of chlorinated low-pressure polyethylene B1 is 40%, the residual value is 15%, The expansion value is 40%, and the chlorinated low-pressure polyethylene B2 accounts for 6.5% of the total mass. The chlorine content of the chlorinated low-pressure polyethylene B2 is 40%, the residual value is 60%, and the expansion value is 1.5%.

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Abstract

The invention relates to the technical field of plastic products, in particular to a transparent chlorinated polyethylene thermoplastic material. The technical scheme is that: the transparent chlorinated polyethylene thermoplastic material consists of 80 to 95 mass percent of chloroethylene polymer and 5 to 20 mass percent of chlorinated polyethylene, wherein the chlorinated polyethylene consistsof two kinds of high density chlorinated polyethylene B1 and B2 with different parameters; the high density chlorinated polyethylene B1 accounts for 2.5 to 10 percent of the total mass of the material, and has the chlorine content of 37-42 percent, the residual value of 0-30 percent and the swell value of 10-70 percent; and the high density chlorinated polyethylene B2 accounts for 2.5 to 10 percent of the total mass of the material, and has the chlorine content of 37-42 percent, the residual value of 50-70 percent and the swell value of 1-2 percent. The chlorinated polyethylene has simple components; the preparation method is simple, convenient and low in cost; and the thermoplastic material prepared from the chlorinated polyethylene has good toughness and transparency and good light fastness and weather change resistance.

Description

technical field [0001] The invention relates to the technical field of plastic products, in particular to transparent chlorinated polyethylene thermoplastic materials. Background technique [0002] Existing vinyl chloride polymers have poor stability to light and heat, and will decompose at temperatures above 100°C or exposed to sunlight for a long time to produce hydrogen chloride, which will further autocatalyze and decompose, causing discoloration and rapid decline in physical and mechanical properties. Contents of the invention [0003] Aiming at the above-mentioned defects, the present invention relates to the production of a transparent, easy-to-process thermoplastic material based on vinyl chloride polymer by adding a specific chlorinated polyethylene, while this thermoplastic material has good willfulness and good light resistance and weather resistance Change performance. [0004] The present invention is achieved through the following technical solutions: [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L23/28C08F10/02C08F8/22
Inventor 刘旭思周洋
Owner 山东旭业新材料有限公司
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