Poly(arylene thioether-ketone) compositions improved in both...

Details Poly(arylene thioether-ketone) compositions improved in both... Poly(arylene thioether-ketone) compositions improved in both...

C - Chemistry, Metallurgy

08

L

400/5403, 400/73

C08L 81/02 (2006.01) C08G 75/02 (2006.01) C08K 3/00 (2006.01) C08K 5/098 (2006.01) C08K 7/04 (2006.01) C08K 7/14 (2006.01) C08L 65/00 (2006.01) C08L 71/00 (2006.01) C08L 79/08 (2006.01) C08L 81/06 (2006.01) C08L 101/00 (2006.01)

Patent

CA 1335853

Disclosed herein is a poly(arylene thioether- ketone) composition improved in melt stability and crystallinity, which comprises (A) 100 parts by weight of a melt-stable poly(arylene thioether-ketone) (PTR) and (B) 0.1-30 parts by weight of at least one basic compound selected from the group consisting of the hydroxides, oxides and aromatic carboxylic acid salts of Group IIA metals of the periodic table other than magnesium and the hydrocarbyl oxides, aromatic carboxylic acid salts, carbonates, hydroxides, phosphates and borates of Group IA metals of the periodic table. The PTK has 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, a melt crystallization peak- temperature, Tmc (420°C/10 min) of at least 210°C and a reduced viscosity of 0.2-2 d?/g.

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