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Low smoke non-halogen flame retardant thermoplastic elastomer composite material and preparation method thereof

A thermoplastic elastomer and composite material technology, which is applied in the field of low-smoke halogen-free flame retardant thermoplastic elastomer composite material and its preparation, thermoplastic elastomer composite material and its preparation field, can solve problems such as low flame retardant efficiency, and achieve formulation cost Low, 100% recycling, high recycling rate

Active Publication Date: 2010-01-20
DONGGUAN JISU PLASTIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when EG flame-retardant polyolefin polymers are used alone, there is also the problem of low flame-retardant efficiency.

Method used

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  • Low smoke non-halogen flame retardant thermoplastic elastomer composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A low-smoke halogen-free flame-retardant thermoplastic elastomer composite material, the raw material formula of which is as follows:

[0038] raw material weight percent

[0039] SEBS 26%

[0040] Paraffin oil 20%

[0041] Polypropylene 13%

[0042] Magnesium Hydroxide 30%

[0043] Expandable graphite 8.0%

[0044] Zinc borate 1.8%

[0045] Lubricant 1.0%

[0046] B215 0.2%

[0047] The grade of SEBS is G1651, the polypropylene is Maoming Petrochemical T30S, MFR=3.0g / 10min; the average particle size of magnesium hydroxide produced by Zhengzhou Fulong New Material Technology Co., Ltd. is less than 2 microns, which is surface-modified magnesium hydroxide The carbon content of expandable graphite is 99%, the expansion volume is 180mL / g, and the particle size is 0.25mm; zinc borate is commercially available 2ZnO.3B 2 o 3 .3.5H 2 O, zinc borate ZB-2335 from Shandong Zibo Wuwei Industrial Co., Ltd., the temperature of decrystallization water is 320°C; the lubricant...

Embodiment 2

[0053] A low-smoke halogen-free flame-retardant thermoplastic elastomer composite material, the raw material formula of which is as follows:

[0054] raw material weight percent

[0055] SEBS 30%

[0056] Paraffin oil 15%

[0057] Polypropylene 15%

[0058] Magnesium Hydroxide 30%

[0059] Expandable graphite 6.0%

[0060] Organic modified montmorillonite 2.5%

[0061] Lubricant 1.2%

[0062] B215 0.3%

[0063] The grade of SEBS is G1651, the polypropylene is Maoming Petrochemical T30S, MFR=3.0g / 10min; the average particle size of magnesium hydroxide produced by Zhengzhou Fulong New Material Technology Co., Ltd. is less than 2 microns, which is surface-modified magnesium hydroxide The carbon content of expandable graphite is 95%, the expansion volume is 220mL / g, and the particle size is 0.18mm; the interlayer distance of organically modified montmorillonite is 3.8nm; the lubricant is DC200 dimethyl silicone oil, and the viscosity is 12500CST.

[0064] The preparation m...

Embodiment 3

[0069] A low-smoke halogen-free flame-retardant thermoplastic elastomer composite material, the raw material formula of which is as follows:

[0070] raw material weight percent

[0071] SEBS 24%

[0072] Paraffin oil 12%

[0073] Polypropylene 12%

[0074] Magnesium Hydroxide 46%

[0075] Expandable graphite 3.0%

[0076] Fumed silica 1.0%

[0077] Lubricant 1.8%

[0078] B215 0.2%

[0079] The grade of SEBS is G1651, the polypropylene is Thai Petrochemical 1100NK, MFR=11.0g / 10min; the average particle size of magnesium hydroxide produced by Zhengzhou Fulong New Material Technology Co., Ltd. is less than 2 microns, which is surface-modified magnesium hydroxide The carbon content of expandable graphite is 99%, the expansion volume is 250mL / g, and the particle size is 0.15mm; the fumed silica is the fumed silica HL-200 of Guangzhou Jibisheng Technology Industrial Co., Ltd.; the lubricant is silicon Ketone masterbatch MB50-001.

[0080] The preparation method of above-m...

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Abstract

The invention discloses a low smoke non-halogen flame-retardant thermoplastic elastomer composite material and a preparation method thereof. The composite material comprises the following raw materials by weight percent: 20-35% of SEBS, 12-20% of paraffin oil, 10-20% of polypropylene, 30-46% of magnesium hydroxide, 3-8% of expansible graphite, 1.0-3.5% of flame-retardant synergist, 1.0-1.8% of lubricant and 0.2-0.4% of antioxidant. The preparation method comprises the following steps: mixing SEBS and paraffin oil, standing to ensure that SEBS is swelled; then placing the swelled SEBS and polypropylene in an open plasticator for mixing, after plasticizing evenly, adding antioxidant, magnesium hydroxide, expansible graphite, flame-retardant synergist and lubricant, mixing evenly to discharge strips, using a flat vulcanizing machine for hot-pressing and chill pressing at room temperature to obtain the finished product. When the composite material of the invention is burnt, low smoke is generated and no molten drop and no toxic gas are produced and the material has good flame resistance and mechanical properties.

Description

technical field [0001] The invention relates to a thermoplastic elastomer composite material and a preparation method thereof, in particular to a low-smoke halogen-free flame-retardant thermoplastic elastomer composite based on hydrogenated styrene-butadiene-styrene block copolymer (SEBS) The material and its preparation method belong to the technical field of chemical materials. Background technique [0002] Thermoplastic elastomers are one of the most popular materials in synthetic rubber due to their combination of high elasticity and good plasticity. Styrenic thermoplastic elastomer (SBC) is the dominant thermoplastic elastomer material in the world, and its products are mainly SBS, SIS and corresponding hydrogenated products. Hydrogenated styrene-butadiene-styrene block copolymer (SEBS) is a hydrogenated modified product of styrene-butadiene-styrene block copolymer SBS, which has been internationally recognized since its industrialization in 1972 New thermoplastic ela...

Claims

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Application Information

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IPC IPC(8): C08L53/02C08L23/12C08K13/06C08K9/00C08K3/04B29C35/02
Inventor 赵建青葛俊静刘述梅吴水珠
Owner DONGGUAN JISU PLASTIC TECH
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