Manufacturing process of polyether-ester amide elastomer and ela

Details Manufacturing process of polyether-ester amide elastomer and ela Manufacturing process of polyether-ester amide elastomer and ela

1998-04-29

1999-06-29

Acquah, Samuel A.

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

Synthetic resins

From carboxylic acid or derivative thereof

528272, 528274, 528301, 528310, 528312, 528323, 526 64, 526 65, 264 5, 264 13, C08G 6344

Patent

active

059170000

ABSTRACT:
A manufacturing process of continuously producing a polyether-ester amide elastomer, which is adapted for mass production and reducing manufacturing cost, includes the steps of melting a poly (tetra methylene ether) glycol reactant, a .epsilon.-caprolactam reactant and an adipic acid reactant, pre-polymerizing the melted reactants by esterification and ring-opening reaction to form a pre-polymer and highly polymerizing the pre-polymer to form the polyether-ester amide elastomer. The polyether-ester amide elastomer is specifically used as a raw ingredient for producing a polyether-ester amide elastic fiber by drying the polyether-ester amide elastomer in a drying device, extruding the dried polyether-ester amide elastomer by an extruder, and molten spinning the extruded polyether-ester amide elastomer to form the polyether-ester amide elastic fiber.

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