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Low-odor ABS (Acrylonitrile-Butadiene-Styrene) composite material and preparation method thereof
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A composite material and low-odor technology, which is applied in the field of modified ABS, can solve problems such as odor problems, achieve the effects of improving odor levels, promising market prospects, and improving temperature resistance and toughness
Inactive Publication Date: 2018-09-25
浙江通力新材料科技股份有限公司
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But the odor source of modified ABS is many-sided, first, the ABS resin matrix will remain some substances with irritating peculiar smell (such as emulsifier) during the polymerization process; Some odorous pyrolysis small molecules may be produced in the medium; again, other ingredients added such as heat-resistant modifiers, tougheners, stabilizers, etc. will also bring some odor problems
And the single deodorant that above-mentioned patent adopts often can exist bigger limitation
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[0025] (2) Add the above-mentioned materials into a high-speed mixer for dry mixing for 1 to 4 minutes, then put the mixed materials into a twin-screw extruder, melt and extrude through the twin-screw extruder, cool, dry, and pelletize to obtain the finished product. Wherein the barrel temperature of the extruder is 200-230° C., and the screw speed is 300 rpm.
Embodiment 2
[0027] (1) By weight percentage, ABS 82.8%, heat-resistant modifier 10%, high rubber powder 5%, molecular sieve 1%, water 0.1%, zincoxide 0.5%, antioxidant 1010 0.2%, antioxidant 168 0.2% and lubricant 0.3% are accurately weighed;
[0028] (2) Add the above-mentioned materials into a high-speed mixer for dry mixing for 1 to 4 minutes, then put the mixed materials into a twin-screw extruder, melt and extrude through the twin-screw extruder, cool, dry, and pelletize to obtain the finished product. Wherein the barrel temperature of the extruder is 200-230° C., and the screw speed is 300 rpm.
Embodiment 3
[0030] (1) By weight percentage, ABS 82.8%, heat-resistant modifier 10%, high rubber powder 5%, molecular sieve 1%, water 0.2%, zincoxide 0.5%, antioxidant 1010 0.2%, antioxidant 168 0.2% and lubricant 0.3% are accurately weighed;
[0031] (2) Add the above-mentioned materials into a high-speed mixer for dry mixing for 1 to 4 minutes, then put the mixed materials into a twin-screw extruder, melt and extrude through the twin-screw extruder, cool, dry, and pelletize to obtain the finished product. Wherein the barrel temperature of the extruder is 200-230° C., and the screw speed is 300 rpm.
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Abstract
The invention discloses a low-odor ABS (Acrylonitrile-Butadiene-Styrene) composite material and a preparation method thereof. According to the invention, ABS adopted as a base material is added with heat-resistant modifier, ABS high-rubber powder, odor adsorbent, small-molecule deodorant, acid absorbent, antioxidant and lubricant, so that the ABS composite material which has the advantages of lowodor, good mechanical properties and heat resistance and simple processing technique is obtained. According to the preparation method, the various materials are mixed in a high-speed mixer, and the mixture is then put into a double-screw extruder, melted and extruded to be pelletized. The production cost of the ABS composite material is low, the market prospect is good, and the ABS composite material can be used in the fields of automobiles and household appliances, such as automobile interior and exterior trim parts, refrigerators and small household appliances.
Description
technical field [0001] The invention relates to the field of modified ABS, in particular to a low-odor ABS composite material and a preparation method thereof. Background technique [0002] At present, the automotive market has higher and higher requirements for ABS, and the material standards of many small and medium-sized automobile factories have reached the standards of international famous brand automobile factories. The general-purpose ABS on the market generally cannot meet the needs of automobile manufacturers, especially the odor requirements of automobile manufacturers. [0003] ABS materials for automobiles generally require consideration of temperature resistance and toughness, but the addition of heat-resistant modifiers and tougheners often leads to worse odors. For example, the odor grade of ordinary ABS on the market is between 3.5 and 4.0, and the odor after adding heat-resistant modifier and high-grade rubber powder is generally around 4 to 4.5. [0004] ...
Claims
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Application Information
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