Semi-crystalline, semi-aromatic terpolymers with superior post-m

Details Semi-crystalline, semi-aromatic terpolymers with superior post-m Semi-crystalline, semi-aromatic terpolymers with superior post-m

1997-05-15

1999-11-09

Hampton-Hightower, P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528310, 528335, 528336, 528338, 528339, 528340, 528347, 528349, 524600, 524607, C08G 6926, C08G 6928, C08G 7300

Patent

active

059816929

ABSTRACT:
This invention relates to high temperature, semi-crystalline, semi-aromatic nylon terpolymers with improved shrinkage resistance, made from terephthalic acid (TA), hexamethylene diamine (HMD) and/or 2-methyl pentamethylene diamine (2-MPMD) and another aliphatic dicarboxylic acid as monomers. These polymers display superior % TD (Transverse Direction) annealing shrinkage, as well as very good balance of mechanical performance as high temperature nylons.

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