Flame-retardant acrylonitrile butadiene styrene (ABS) resin with excellent surface glossiness and high blackness and preparation method of ABS resin
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An ABS resin and high-gloss technology, which is applied in the field of high-gloss, high-blackness flame-retardant ABS resin and its preparation, to achieve the effects of excellent surface, reduced pitting, and high surface gloss
Active Publication Date: 2014-10-08
SHANGHAI KUMHO SUNNY PLASTICS
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But there is no report about a kind of high gloss and high blackness flame retardant ABS resin with excellent surface
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[0041] The preparation method of above-mentioned fire-retardant ABS resin, comprises the following steps:
[0042] (1) Put ABS rubber powder, AS resin, flame retardant synergist, brominated flame retardant, heat stabilizer, antioxidant, lubricant, carbon black dispersant and carbon black powder into a high-speed mixer and stir for 5- After 30min, discharging obtains mixture;
[0043] (2) The mixture obtained in step (1) is extruded and granulated through a twin-screw extruder, the temperature of the extruder is 180-220°C, the strict vacuum degree is greater than 0.09Mpa, and the screw speed is 180-600 rpm.
[0044] Embodiment 1-5 of the present invention and comparative example 1-2 used raw material are as shown in table 1:
Embodiment 1-5 and comparative example 1-2
[0047] Embodiment 1-5 and comparative example 1-2 are implemented according to the following steps:
[0048] Put ABS rubber powder, AS resin, flame retardant synergist, brominated flame retardant, heat stabilizer, antioxidant, lubricant, carbon black dispersant and carbon black powder into a high-speed mixer and stir for 5-30 minutes before leaving The obtained mixture is extruded and granulated through a twin-screw extruder, the temperature of the extruder is 180-220°C, the strict vacuum degree is greater than 0.09Mpa, and the screw speed is 180-600 rpm. The product is obtained by conveying, melting, shearing, extrusion, cooling and granulation.
Embodiment 1
[0050] Prepare raw materials according to the following components and parts by weight:
[0051] P / D190 35
[0052] SAN320 65
[0053] Sb 2 o 3 4
[0054] BTAC245 19
[0055] T-580 0.3
[0056] IG-1076 0.3
[0057] T-0004 0.2
[0058] P 121 0.2
[0059] 9550WA 2
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Abstract
The invention relates to a flame-retardant acrylonitrile butadiene styrene (ABS) resin with excellent surface glossiness and high blackness. The ABS resin comprises the following components in parts by weight: 20-60 parts of ABS rubber powder, 40-80 parts of AS (Acrylonitrile-Styrene) resin, 2-6 parts of flame-retardant synergist, 5-25 parts of brominated flame retardant, 0.1-1 part of heat stabilizer, 0.1-1 part of antioxidant, 0.1-1 part of lubricating agent, 0.1-2 parts of carbon black dispersing agent and 0.1-5 parts of carbon black powder, wherein the carbon black dispersing agent is a block polymerization amphipathic siloxane compound of which one end is provided with a lipophilic group and of which the other end is provided with a hydrophilic group; the carbon black powder is pure carbon black or carbon black master-batches with polyolefin or ethylene vinyl acetate copolymer as a carrier. The invention also provides a method for preparing the flame-retardant ABS resin. The flame-retardant ABS resin has extremely high surface glossiness and balanced toughness and fluidity and is particularly suitable for household appliance industry with the requirements of high glossiness and flame retardant property.
Description
technical field [0001] The invention relates to the technical field of polymer modification, in particular to a high gloss and high blackness flame retardant ABS resin with excellent surface and a preparation method thereof. Background technique [0002] Styrene-acrylonitrile-butadiene copolymer (ABS) has high surface hardness, good impact resistance and heat and low temperature impact resistance, good creep resistance, good dimensional stability, small molding shrinkage, and excellent processability And other excellent properties, it has been widely used in the home appliance industry and the automobile industry. In the home appliance industry, there are generally UL94V0 flame retardant requirements. The flame retardant performance of ABS resin itself is relatively poor. For this reason, various methods are used at home and abroad to improve the flame retardant performance of ABS. Among them, the method of adding flame retardants to ABS resin is the most mature and effecti...
Claims
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