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Modified flame retardant plastic

A flame-retardant plastic modification technology, applied in the field of plastics, can solve problems such as secondary hazards, affecting plastic performance, and general flame-retardant effects

Inactive Publication Date: 2014-04-16
苏州市丰盛塑业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additive flame retardants are easy to use and have strong adaptability, but if the amount added is too large, it is easy to affect the performance of plastics; while reactive flame retardants are reactive and can synthesize chemical bonds into the molecular chain of the resin, which affects the performance of plastics. The impact is small, but the flame retardant effect is average, and it is easy to produce smoke when burning, causing secondary hazards

Method used

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Examples

Experimental program
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Effect test

Embodiment

[0016] a) Material selection and preparation, the main components of plastics and their percentage ratios are: matrix powder 72%-75%, filler 15%-18%, flame retardant 6%-7%, and the rest are related additives; , the matrix powder can be selected from one of low-melting point plastics such as polyethylene, polystyrene, polyvinyl chloride, etc., and the particle size of the powder is about 200-250 mesh; the filler can be silica powder, aluminum hydroxide powder And asbestos powder, the mass percentage of the three is about 2:4:1, the average particle size is about 500 mesh; the flame retardant is polyaryl silicon-containing bisphosphate; the plasticizer in the auxiliary agent is phthalate Formic acid ester, microcrystalline paraffin or butyl stearate as lubricant, calcium-zinc composite stabilizer as stabilizer, phenolic antioxidant or sulfur antioxidant as antioxidant, and the mass percentage of each additive is about 4:3:1:2;

[0017] b) Heating and mixing, first, add the matr...

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PUM

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Abstract

The invention discloses a modified flame retardant plastic which comprises main components in percentage by weight as follows: 70%-80% of matrix powder, 15%-20% of fillers, 5%-8% of a fire retardant and the balance of related assistants. The disclosed modified flame retardant plastic is reasonable in component preparation, the modification cost is appropriate, the flame retardance of a conventional plastic with a low melting point can be effectively improved, excellent strength and abrasion resistance of the plastic are guaranteed, and the application range of the plastic with the low melting point is more standard.

Description

technical field [0001] The invention relates to a plastic, in particular to a novel plastic with good flame-retardant effect after modification, and belongs to the technical field of plastics. Background technique [0002] Plastic is a synthetic polymer compound whose main component is resin. The term resin was originally named after the lipids secreted by animals and plants, such as rosin, shellac, etc. Resin refers to a high polymer that has not been mixed with various additives. Resin accounts for about 40% of the total weight of plastics- 100%. The basic properties of plastics are mainly determined by the nature of the resin, but additives also play an important role. The so-called plastic is actually a kind of synthetic resin. It is a material made of monomer raw materials by synthesis or condensation reaction. It is composed of synthetic resin and fillers, plasticizers, stabilizers, lubricants, colorants and other additives composition. [0003] Most conventional p...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L25/06C08L27/06C08K13/04C08K3/36C08K3/22C08K7/12C08K5/541C08K5/12
CPCC08K13/04C08K3/22C08K3/36C08K5/541C08K7/12C08K2003/2227C08K2201/003C08L2201/02
Inventor 赵洪明
Owner 苏州市丰盛塑业有限公司
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