Molded product of polyarylene thioether and the use thereof

Details Molded product of polyarylene thioether and the use thereof Molded product of polyarylene thioether and the use thereof

1988-01-05

1990-05-01

Thurlow, Jeffery

Stock material or miscellaneous articles

Composite

Of polythioether

174110SR, 264 83, 264174, 26421112, 2642356, 2642896, 428457, 525535, 525537, 528388, B29C 4702, B29C 5506, B29C 7100, B32B 108

Patent

active

049217585

ABSTRACT:
The present invention discloses a molded product which is heat-resistant, has a high elongation and is produced by a process including the steps of (1) curing a substantially linear polyarylene thioether having a melt viscosity of about 1,000 to 15,000 poise, thereby forming a polyarylene thioether resin having a melt viscosity of about 5,000 to 16,000 poise and a non-Newtonian coefficient, n, of about 1.5 to 2.1, (2) melt extruding the formed polyarylene thioether resin, (3) taking off the extruded polyarylene thioether resin at an R.sub.1 (ratio of the taking-off speed to the extruding speed at the nozzle of the melt extruded product) of about 10 to 1,000 and (4) crystallizing the taken off polyarylene thioether resin until its crystallization degree is not lower than 20 wt %; and coated electric wires having the above molded product as a coating layer.

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patent: 4645826 (1987-02-01), Iizuka et al.
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patent: 4777228 (1988-10-01), Mizuno et al.
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patent: 4810566 (1989-03-01), Kawakami et al.
EP 88 30 0267, Search Report for European Patent Application.

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