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Flame-retardant polypropylene material and preparation method

A technology of flame-retardant polypropylene and polypropylene, which is applied in the field of plastic materials, can solve the problems that the mechanical properties of flame-retardant materials are not improved, and the mechanical properties of PP materials are not ideal and cannot be achieved.

Active Publication Date: 2011-10-05
QINGDAO GON TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, although the flame retardancy of PP materials has been improved, the mechanical properties of flame retardant materials have not been improved.
Although the flame retardant performance of some technical solutions reaches UL94-V0 level, the mechanical properties of PP materials are not ideal and cannot meet the specified requirements of some specific products.

Method used

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  • Flame-retardant polypropylene material and preparation method
  • Flame-retardant polypropylene material and preparation method
  • Flame-retardant polypropylene material and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Implementation 1, unit: kg.

[0019] 65 parts of polypropylene particles, 0.2 parts of antioxidant 1010, 0.2 parts of antioxidant 168, 25 parts of halogen-free intumescent flame retardant, 4 parts of grafted polypropylene, 0.6 parts of calcium stearate, and 15 parts of talcum powder.

Embodiment 2

[0020] Implementation 2, unit: kg.

[0021] Polypropylene particle: 63 parts, 0.2 part of antioxidant 1010, 0.2 part of antioxidant 168, 27 parts of halogen-free intumescent flame retardant, 4 parts of grafted polypropylene, 0.6 part of zinc stearate, 15 parts of talcum powder.

Embodiment 3

[0022] Implementation 3, unit: kg.

[0023] 61 parts of polypropylene particles, 0.2 parts of antioxidant 1010, 0.2 parts of antioxidant 168, 27 parts of halogen-free intumescent flame retardant, 6 parts of grafted polypropylene, 0.6 parts of calcium stearate, and 15 parts of talcum powder.

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Abstract

The invention provides a flame-retardant polypropylene material and a preparation method, and aims to improve the flame-retardant system and improve the flame retardation of the flame-retardant polypropylene material on the premise of keeping and improving the mechanical property of PP. The invention adopts the technical scheme that the flame-retardant polypropylene material comprises the following components in part by mass: 60 to 70 parts of polypropylene, 0.3 to 0.5 part of antioxidant, 22 to 28 parts of halogen-free intumescent flame retardant, 2 to 6 parts of grafted polypropylene, 0.5 to 0.7 part of lubricant and 12 to 17 parts of filler. Experiments show that the mechanical property of the flame-retardant polypropylene material is improved and the flame retardation is excellent.

Description

technical field [0001] The invention relates to plastic materials, in particular to a flame-retardant polypropylene material and a preparation method. Background technique [0002] Polypropylene is a thermoplastic with light specific gravity, high surface hardness, high elasticity, good heat resistance, chemical stability, and good insulation. It is widely used in many fields of production and life. It is the most promising general-purpose plastic engineering One of the most popular plastic varieties. However, PP is extremely flammable, with a limiting oxygen index (LOI) of only 17.4 to 18.5, and severe melting and dripping during combustion, which is easy to spread flames and cause fires, making its application unsafe. This limits the application of PP in electronics, communication equipment, household appliances, automotive appliances, building materials and other industries. In order to meet the requirements of flame retardancy, PP must be modified. Improving the flame ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/12C08L51/06C08K13/04C08K7/24C08K3/32C08K5/053C08K5/3492C08K5/098C08K3/34B29B9/06
Inventor 王爱国陈广龙
Owner QINGDAO GON TECHNOLOGY CO LTD
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