Process for producing polymeric materials
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United States of America Patent
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May 13, 1997
Issued Date -
N/A
app pub date -
Sep 30, 1994
filing date -
Mar 7, 1991
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Abstract
Process for the production of a homogenous polymeric monolith wherein an assembly of oriented thermoplastic polymer fibres is maintained under a contact pressure sufficient to ensure intimate contact at an elevated temperature high enough to melt a proportion of the polymer. The assembly is subsequently compressed at a compaction pressure higher than the contact pressure while still being maintained at the elevated temperature. The resulting polymeric products are useful, for example as orthodontic brackets, bone prostheses and in body armor.
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