Heat-resistant and flame-retardant composition and preparation method thereof
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A flame retardant composition and heat-resistant technology, applied in the fields of new energy and environmental protection and energy saving, can solve the problem of low heat resistance, and achieve the effects of excellent flame retardant effect, excellent stability and cost reduction.
Inactive Publication Date: 2016-12-07
GUILIN HAOXIN TECH SERVICE
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But on the one hand, the oxygen index of ABS resin is only 18, which is a flammable material, and its heat resistance is not high. The general heat distortion temperature is 82-84°C
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Embodiment 1
[0017] An efficient and environmentally friendly heat-resistant flame-retardant composition, 70 parts of the ABS resin, 15 parts of the flame retardant, 15 parts of the flame-retardant synergist, 15 parts of the heat-resistant modifier, the hard 0.1 part of zinc fatty acid, 1 part of said nitrile rubber, 0.5 part of said diphenylamine, 0.1 part of said o-hydroxybenzophenones; wherein said flame retardant synergist is made of aluminum hydroxide, mica powder and ultra-high molecular weight polysiloxane; wherein, the flame retardant synergist is a compound composed of aluminum hydroxide, mica powder and ultra-high molecular weight polysiloxane; preferably, the The ultra-high molecular weight polysiloxane is polydimethylsiloxane, the molecular weight of the polydimethylsiloxane is ≥30,000, and its viscosity is ≥500mPa·s at a temperature of 25°C. The heat-resistant modifier is N-isopropylmaleimide, N-cyclohexylmaleimide, poly(N-n-octadecylmaleimide), N-phenylmaleimide One or more ...
Embodiment 2
[0019] A high-efficiency and environmentally friendly heat-resistant flame-retardant composition, 80 parts of the ABS resin, 20 parts of the flame retardant, 20 parts of the flame-retardant synergist, 25 parts of the heat-resistant modifier, and 20 parts of the stearin 1.5 parts of zinc acid, 5 parts of said nitrile rubber, 1.0 part of said p-phenylenediamine, 0.8 part of said o-hydroxybenzophenones; wherein said flame retardant synergist is made of aluminum hydroxide, mica Powder and ultra-high molecular weight polysiloxane compound. Other component proportioning is identical with the technical scheme among the embodiment 1.
Embodiment 3
[0021] A high-efficiency and environmentally friendly heat-resistant flame-retardant composition, 90 parts of ABS resin, 25 parts of flame retardant, 30 parts of flame-retardant synergist, 0 parts of heat-resistant modifier, 2 parts of zinc stearate, 10 parts of nitrile rubber 1.5 parts, 1.5 parts of diphenylamine, 1 part of o-hydroxybenzophenones; wherein, the flame retardant synergist is a compound composed of aluminum hydroxide, mica powder and ultra-high molecular weight polysiloxane.
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Abstract
The invention relates to a heat-resistant and flame-retardant composition and a preparation method thereof. The heat-resistant and flame-retardant composition is prepared from, by weight, 50-80 parts of ABS resin, 30-35 parts of a flame retardant, 10-15 parts of a flame retardant synergist, 35-45 parts of a heat-resistant modifier, 0.1-2 parts of zinc stearate, 1-10 parts of butadiene-acrylonitrile rubber, 0.1-1 part of p-phenylenediamine and 0.1-1 part of o-hydroxydiphenylketone, wherein the flame retardant synergist is a compound prepared from aluminum hydroxide, mica powder and polysiloxane with the ultra-high molecular weight. According to the technical scheme, the heat-resistant and flame-retardant composition provided through reasonable proportioning and combination of all the components has the high heat resistance, the heat deformation temperature can reach 120 DEG C or above and is at least increased by 30 DEG C compared with the prior art, the achieved flame-retardant effect and stability are better on the premise that the mechanical properties are met, and all the mechanical properties keep optimal balance; in addition, the preparation method is simple, easy to operate and easy to process, the cost is reduced, and the preparation method is suitable for being applied and popularized on market.
Description
technical field [0001] The invention belongs to the technical field of new energy and environmental protection and energy saving, and in particular relates to a heat-resistant and flame-retardant composition and a preparation method thereof. Background technique [0002] ABS resin is a terpolymer composed of styrene, butadiene and acrylonitrile. It combines the high fluidity of styrene, the rubber toughness of butadiene and the chemical resistance of acrylonitrile. It has excellent processing performance, Low temperature resistance, electrical insulation, chemical corrosion resistance, high gloss and excellent electroplating performance, as well as good creep resistance, high dimensional stability, small molding shrinkage, etc., are widely used in military industry, automobiles, electronic appliances, etc. The field of application is very wide. But on the one hand, the oxygen index of ABS resin is only 18, which is a flammable material, and its heat resistance is not high. ...
Claims
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