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

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

1988-06-17

1989-05-02

Foelak, Morton

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524394, 524396, 524400, 524405, 524417, 524425, 524430, 524433, 524592, 525123, 525390, 525398, 525420, 525437, 525461, 525471, 528226, C08G 6538

Patent

active

048269069

ABSTRACT:
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) (PTK) and (B) 0.1-30 parts by weight of at least 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 phosphates and borates include condensation products. The PTK has predominant recurring units of the formula ##STR1## and having a melting point, Tm of 310.degree.-380.degree. C., a residual melt crystallization enthalpy, .DELTA.Hmc (420.degree. C./10 min) of at least 10 J/g, a melt crystallization peak-temperature, Tmc (420.degree. C./10 min) of at least 210.degree. C. and a reduced viscosity of 0.2-2 dl/g.

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