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Wire low-halogen flame-retarding thermoplastic elastomer reaching Underwriters' Laboratories (UL)-V. fire protection standards

A thermoplastic elastomer and elastomer technology, applied in the field of low halogen flame retardant thermoplastic elastomer, can solve the problems of secondary hazards, high cost and large amount of halogen-free inhibitor, and achieve low cost, excellent resistance effect, physical high performance effects

Inactive Publication Date: 2011-08-03
东莞市迅创实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when a fire occurs, such halogen-containing flame-retardant materials will produce a large amount of smoke and toxic corrosive hydrogen halide gas, causing secondary hazards.
However, the cost of halogen-free flame retardant is high, and the flame retardant effect is not good

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Embodiment 1: Among them, hydrogenated styrene elastomer accounts for 6% by weight, mineral extender oil accounts for 12.5% ​​by weight, polypropylene elastomer accounts for 23% by weight, nitrogen-phosphorus series halogen-free flame retardant accounts for The percentage is 34%, the brominated flame retardant accounts for 24.4% by weight, and the stearic acid accounts for 0.1% by weight.

Embodiment 2

[0013] Embodiment 2: Wherein, hydrogenated styrene elastomer accounts for 4% by weight, mineral extender oil accounts for 13% by weight, polypropylene elastomer accounts for 24% by weight, nitrogen-phosphorus series halogen-free flame retardant accounts for The percentage is 34%, the brominated flame retardant accounts for 24.8% by weight, and the stearic acid accounts for 0.2% by weight.

Embodiment 3

[0014] Embodiment three: wherein, hydrogenated styrene elastomer accounts for 2% by weight, mineral extender oil accounts for 12.7% by weight, polypropylene elastomer accounts for 25% by weight, nitrogen-phosphorus series halogen-free flame retardant accounts for 2% by weight The percentage is 35%, the brominated flame retardant accounts for 25% by weight, and the stearic acid accounts for 0.3% by weight.

[0015] In the above examples, the hydrogenated styrene elastomer is SEBS, and SEBS is a three-block copolymerization in which polystyrene is used as the end segment and ethylene-butylene copolymer obtained by hydrogenating polybutadiene is used as the middle elastic block. SEBS does not contain unsaturated double bonds, so it has good stability and aging resistance. The model used in the present invention is one of SEBS G1650, SEBS G1651, SEBS G6933, SEBS 4033, SEBS 4055 or mixed in any proportion Various. The mineral extender oil is paraffin-based alkane oil with a flash ...

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Abstract

The invention relates to a wire low-halogen flame-retarding thermoplastic elastomer reaching Underwriters' Laboratories (UL)-V. fire protection standards, which comprises 2 to 6 weight percent of hydrogenated phenylethylene elastomer, 5 to 15 weight percent of mineral filling oil, 10 to 25 weight percent of polypropylene elastomer, 20 to 35 weight percent of nitrogen-phosphorus halogen-free flame retardant, 15 to 25 weight percent of bromine containing flame retardant, and 0.1 to 0.3 weight percent of stearic acid. Therefore, the wire low-halogen flame-retarding thermoplastic elastomer has the advantages of high physical performance, low cost and no toxicity in flame retarding.

Description

technical field [0001] The invention relates to a low-halogen flame-retardant thermoplastic elastomer used in wires to meet the UL-V. fireproof standard. Background technique [0002] Existing halogen-containing flame-retardant thermoplastic elastomers are generally made of halogen-containing polymers or flame-retardant mixtures combined with halogen-containing flame retardants, and halogen-containing polymers or flame-retardant mixtures combined with halogen-containing flame retardants It has excellent flame retardant properties and has been widely used as an alkene-resistant material. However, when a fire occurs, such halogen-containing flame-retardant materials will produce a large amount of smoke and toxic and corrosive hydrogen halide gas, causing secondary hazards. However, the cost of the halogen-free flame retardant is high, and the flame retardant effect is not good. Contents of the invention [0003] The technical problem to be solved by the present invention i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L53/02C08K5/01C08K5/09
Inventor 王振华
Owner 东莞市迅创实业有限公司
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