Rubber modified styrene resin, and sheet, food container, and food container lid member produced using same
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United States of America Patent
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Apr 17, 2018
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app pub date -
Jul 4, 2014
filing date -
Nov 13, 2013
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Abstract
A rubber modified styrene-based resin is provided that is excellent in oil resistance, folding endurance, and tear strength and that is preferably used for a food container and a food container lid member not cracking by repeated fitting. According to the present invention, a rubber modified styrene-based resin is provided that contains rubbery dispersed particles, having a volume median particle diameter from 4.0 to 10 μm and a gel component from 22.0 to 35.0 mass %; a matrix phase having a weight average molecular weight (Mw) from 150 thousand to 300 thousand; and a methanol soluble component from 1.5% to 4.0%.
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