Elongated object made of a copolymer of carbon monoxide and an o

Details Elongated object made of a copolymer of carbon monoxide and an o Elongated object made of a copolymer of carbon monoxide and an o

1993-11-09

1995-04-04

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642902, 26433117, B29C 4124, B29C 5512

Patent

active

054035317

ABSTRACT:
A process for producing an elongated object of an alternating copolymer of carbon monoxide and an olefinically unsaturated monomer wherein the copolymer has an intrinsic viscosity measured in m-cresol at 100.degree. C. of at least 1 dl/g, involve converting a solution of the copolymer into a solvent-containing object, removing between 90 and 99.9% of the solvent from the solvent-containing object, and stretching the thus obtained object at a temperature below the melting point of the copolymer.

REFERENCES:
patent: 4076911 (1978-02-01), Fenton
patent: 4787194 (1988-11-01), Lancaster et al.
patent: 4788279 (1988-11-01), Drent
patent: 4895689, Gerlowski
patent: 5045258 (1991-09-01), van Breen et al.
patent: 5175245 (1992-12-01), Klingensmith

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