Composition of glass fiber reinforced flame-retardant engineering plastic and preparation method thereof
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United States of America Patent
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Issued Date -
Nov 27, 2008
app pub date -
Aug 10, 2007
filing date -
May 25, 2007
priority date (Note) -
Abandoned
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Abstract
A composition of a glass fiber reinforced engineering plastic and a preparation method thereof are provided. The method includes: except for glass fiber, from 30% to 70% by weight of a polyamide6, from 8% to 30% by weight of an acrylonitrile-butadiene-styrene copolymer, from 3% to 6% by weight of a compatilizer, from 12% to 16% by weight of a flame retardant, from 0.3% to 0.5% by weight of an antioxidant, and from 0.3% to 0.8% by weight of a lubricant are added into a high-speed mixer, and then mixed for 2-5 min. The blend composition is fed into a twin screw extruder, and from 18% to 35% by weight of a glass fiber are added into the twin screw extruder at the second half stage, and ground together to be granulated and molded.
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