Segmented copoymer containing amide segments
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United States of America Patent
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Issued Date -
Oct 20, 2005
app pub date -
Jun 9, 2005
filing date -
Feb 21, 2002
priority date (Note) -
Abandoned
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Abstract
Described herein are novel amide copolymers wherein the amide segments have a length of at least three amide groups of which its length is substantially uniform and which copolymers have a glass transition temperature of less than 0.degree. C. A copolymer according to the invention displays a fast crystallization from the melt, and a modulus that is little dependant on the temperature in the temperature region between glass transition and melting temperature. A polymer according to the invention can easily be melt processed by extrusion, injection molding and fiber spinning. A copolymer according to the inventions may be transparent, has a high fracture strain and a high elasticity.
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