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PVC (Polyvinyl Chloride) plastic particles

A technology of polyvinyl chloride and plastic particles, applied in the field of plastic particles, can solve the problems of poor light and thermal stability, decline in physical properties, etc., and achieve the effect of perfect flame retardancy

Inactive Publication Date: 2018-11-23
华正金属材料(太仓)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

PVC has good mechanical properties, the tensile strength is about 60mpa, the impact strength is 5-10kj / m2, and it has excellent dielectric properties, but it has poor stability to light and heat. Decomposition produces hydrogen chloride, and further autocatalytic decomposition causes discoloration and rapid decline in physical properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A polyvinyl chloride plastic particle, with polyvinyl chloride as the main component, also includes stabilizer, zinc stearate, antistatic agent, nano calcium carbonate and glass fiber, and its components are respectively by weight:

[0021] 50 parts of polyvinyl chloride;

[0022] 3 parts of stabilizer;

[0023] Zinc stearate 1 part;

[0024] Antistatic agent 2 parts;

[0025] 8 parts of nanometer calcium carbonate;

[0026] 20 parts of glass fiber;

[0027] The preparation method is as follows: batching according to the formula, adding the prepared materials into the mixer and mixing evenly, the mixing temperature is 100°C, the mixing time is controlled at 15 minutes, after mixing evenly, transfer to the cooling mixer and stir for 2 minutes at a low speed , and finally into the twin-screw extrusion granulation.

Embodiment 2

[0029] A polyvinyl chloride plastic particle, with polyvinyl chloride as the main component, also includes stabilizer, zinc stearate, antistatic agent, nano calcium carbonate and glass fiber, and its components are respectively by weight:

[0030] 55 parts of polyvinyl chloride;

[0031] 5 parts of stabilizer;

[0032] 3 parts zinc stearate;

[0033] 3 parts of antistatic agent;

[0034] 9 parts of nano calcium carbonate;

[0035] 25 parts of glass fiber;

[0036] The preparation method is as follows: batching according to the formula, adding the prepared materials into the mixer and mixing evenly, the mixing temperature is 110°C, the mixing time is controlled at 17 minutes, after mixing evenly, transfer to the cooling mixer and stir for 3 minutes at a low speed , and finally into the twin-screw extrusion granulation.

Embodiment 3

[0038] A polyvinyl chloride plastic particle, with polyvinyl chloride as the main component, also includes stabilizer, zinc stearate, antistatic agent, nano calcium carbonate and glass fiber, and its components are respectively by weight:

[0039] 60 parts of polyvinyl chloride;

[0040] 6 parts of stabilizer;

[0041] Zinc stearate 4 parts;

[0042] 5 parts of antistatic agent;

[0043] 10 parts of nano calcium carbonate;

[0044] 30 parts of glass fiber;

[0045] The preparation method is as follows: batching according to the formula, adding the prepared materials into the mixer and mixing evenly, the mixing temperature is 120°C, the mixing time is controlled at 20 minutes, after mixing evenly, transfer to the cooling mixer and stir for 5 minutes at a low speed , and finally into the twin-screw extrusion granulation.

[0046] The beneficial effects of the present invention are: the plastic particles are added with a stabilizer and an antistatic agent to have an antistat...

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Abstract

The invention discloses PVC (Polyvinyl Chloride) plastic particles. The PVC plastic particles take PVC as a main component and are also prepared from a stabilizer, a lubricant, an anti-static agent, nano calcium carbonate and fiberglass. The PVC plastic particles disclosed by the invention have the beneficial effects that the stabilizer and the anti-static agent are added in the PVC plastic particles, so that an anti-static effect is obtained; some other assistants are added, so that properties in aspects of insulativity, physical and mechanical property, elasticity, aging resistance, corrosion resistance and flame retardance of the PVC plastic particles are more perfect and better than those of materials in the same industry.

Description

technical field [0001] The invention relates to a plastic particle, in particular to a polyvinyl chloride plastic particle. Background technique [0002] PVC (polyvinyl chloride) is a thermoplastic resin polymerized by vinyl chloride under the action of an initiator. It is a homopolymer of vinyl chloride. Vinyl chloride homopolymer and vinyl chloride copolymer are collectively called vinyl chloride resin. PVC has good mechanical properties, the tensile strength is about 60mpa, the impact strength is 5-10kj / m2, and it has excellent dielectric properties, but it has poor stability to light and heat. Decomposition produces hydrogen chloride, and further autocatalytic decomposition causes discoloration and rapid decline in physical properties. In practical applications, stabilizers must be added to improve the stability to heat and light. In terms of specific applications, according to the main properties of PVC products, it can be divided into rigid PVC and soft PVC. Among th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08K13/04C08K7/14C08K3/26C08K5/098
CPCC08K13/04C08K3/26C08K5/098C08K7/14C08K2003/265C08K2201/011C08L2201/02C08L2201/04C08L27/06
Inventor 钱珠明
Owner 华正金属材料(太仓)有限公司
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