Stretched poly(arylene thioether-ketone) films and...

Details Stretched poly(arylene thioether-ketone) films and... Stretched poly(arylene thioether-ketone) films and...

B - Operations, Transporting

29

C

18/1040, 18/796

B29C 55/14 (2006.01) B29C 47/00 (2006.01) B29C 55/00 (2006.01) C03C 27/06 (2006.01) C08G 75/02 (2006.01) C08J 5/18 (2006.01) C08L 81/02 (2006.01) C08L 101/00 (2006.01)

Patent

CA 1289710

Abstract Disclosed herein is a stretched poly(arylene thioether- ketone) film made of a thermoplastic material which comprises (A) 100 parts by weight of a melt-stable poly(arylene thioether-ketone) having predominant recurring units of the formula Image and having a melting point, Tm of 310-380°C, a residual melt crystallization enthalpy, .DELTA.Hmc (420°C/10 min) of at least 10 J/g and a melt crystallization temperature, Tmc (420°C/10 min) of at least 210°C, and a reduced viscosity of 0.3-2 dl/g as determined by viscosity measurement at 25°C and a polymer concentration of 0.5 g/dl in 98 percent by weight sulfuric acid; and optionally , (B) at least one component selected from up to 100 parts by weight of at least one thermoplastic resin and up to 15 parts by weight of at least one filler. Its production process is also disclosed.

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