Multilayers of polyamides and CPVC
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United States of America Patent
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Apr 12, 2005
Grant Date -
Dec 5, 2002
app pub date -
May 31, 2002
filing date -
May 31, 2001
priority date (Note) -
Expired
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Abstract
A multilayer comprising at least one layer A) of at least one thermoprocessable polymer containing at least 5% by weight of chlorinated polyvinyl chloride (CPVC) and one layer B) based on polyamides having an amount of --NH.sub.2 end groups in the range 20-300 .mu.eq/g.
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