Process for substantially eliminating surface melt fracture during extrusion of thermoplastic polymers
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United States of America Patent
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Apr 20, 1993
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N/A
app pub date -
Jun 15, 1989
filing date -
Jun 15, 1989
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Expired
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Abstract
A process for substantially eliminating surface melt fracture during extrusion of a thermoplastic polymer such as a molten narrow molecular weight distribution, linear, ethylene copolymer, by incorporating into the thermoplastic polymer a wood rosin or wood rosin derivative.
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