Ligneous fibrous filler/olefinic plastic composite sheet for bonding
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United States of America Patent
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Mar 25, 2003
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N/A
app pub date -
Apr 20, 2000
filing date -
Jul 17, 1998
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Abstract
A bondable wood cellulosic filler/olefinic plastic composite sheet material made by extruding in a sheet shape a mixture consisting of: (1) 40-60 parts by weight of an olefinic plastic; (2) 60-40 parts by weight of a wood cellulosic filler, the size thereof being 40-110 mesh and the water content being not exceeding 5%; and (3) 0.5-5.0 parts by weight of an additive mainly consisting of polypropylene modified by maleic anhydride or its derivative.
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