MICROPULP-ELASTOMER MASTERBATCHES AND COMPOUNDS
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Feb 25, 2015
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Feb 27, 2014
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Abstract
A masterbatch composition of elastomer and from 20 to 100 parts per hundred parts elastomer of fibrous micropulp wherein the micropulp has fibers with a volume weighted average fiber length of from 20 to 200 micrometers as measured by laser diffraction, a relative specific surface area of from 30 to 600 square meter per gram as measured by nuclear magnetic resonance and the fibers selected from the group consisting of aromatic polyamide, aromatic copolyamide, polyacrylonitrile and polyazole.
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