Ceramic low-smoke and halogen-free polyolefin particles and preparation method thereof

A polyolefin and ceramization technology, which is applied in the field of ceramicized low-smoke halogen-free polyolefin particles and their preparation, can solve problems such as poor flame retardant performance and poor fire resistance, and achieve excellent processability and environmental protection performance. Effect

Pending Publication Date: 2019-02-12
高桥防火科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is that the existing polyolefins have the defects of poor flame retardancy and fire resistance, and a ceramic low-smoke halogen-free polyolefin particle and its preparation method are provided

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The raw materials of ceramic low-smoke halogen-free polyolefin particles provided in this example include: 8 parts of high softening point glass powder, 8 parts of low softening point glass powder, 4 parts of organic montmorillonite, 80 parts of polyolefin, modified polypyridine 8 parts of throat and 8 parts of polybenzimidazole; the softening temperature of the high softening point glass powder is 700°C; the softening temperature of the low softening point glass powder is 550°C.

[0027] Wherein, the high softening point glass powder is sodium silicate glass powder.

[0028] Wherein, the low softening point glass powder is sodium borate glass powder.

[0029] Wherein, the polyolefin is polyethylene, and the molecular weight of polyethylene is 40,000-300,000.

[0030] Wherein, the modified polypyrrole is a silane-modified polypyrrole with a molecular weight of 100,000-500,000.

[0031] Wherein, the polybenzimidazole is a hyperbranched polybenzimidazole with a molecula...

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Abstract

The invention discloses ceramic low-smoke and halogen-free polyolefin particles and a preparation method thereof. The ceramic low-smoke and halogen-free polyolefin particles are prepared from the following raw materials in parts by mass: 5 to 10 parts of glass powder with a high softening point, 5 to 10 parts of glass powder with a low softening point, 3 to 5 parts of organic montmorillonite, 70 to 90 parts of polyolefin, 5 to 10 parts of modified polypyrrolone and 5 to 10 parts of polybenzimidazole, wherein the softening temperature of the glass powder with the high softening point is 600 to800 DEG C and the softening temperature of the glass powder with the low softening point is 500 to 600 DEG C. The ceramic low-smoke and halogen-free polyolefin particles provided by the invention haveexcellent flame-retarding performance, fireproof performance, insulation performance, high temperature resistance performance, low temperature resistance performance, machinability and excellent environment protection performance.

Description

technical field [0001] The invention relates to ceramic low-smoke and halogen-free polyolefin particles and a preparation method thereof. Background technique [0002] Polyolefins are polymers of olefins, that is, α-olefins such as ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 1-octene, 4-methyl-1-pentene and some A general term for a class of thermoplastic resins obtained by the polymerization or copolymerization of cyclic olefins alone. Polyolefin has the characteristics of low relative density, good chemical resistance and water resistance; good mechanical strength and electrical insulation. It can be used in films, pipes, plates, various shaped products, wires and cables, etc. It has a wide range of uses in agriculture, packaging, electronics, electricity, automobiles, machinery, daily sundries, etc. [0003] However, the existing polyolefins have the defects of poor flame retardancy and fire resistance, which limits the use of polyolefins to a certain extent. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L79/04C08K13/06C08K3/40C08K9/04C08K3/34
CPCC08L23/06C08K2201/014C08L2205/03C08L2205/025C08L2201/08C08L2201/02C08L79/04C08K13/06C08K3/40C08K9/04C08K3/346
Inventor 李优红叶玉丹
Owner 高桥防火科技股份有限公司
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