Extruded profiles

Details Extruded profiles Extruded profiles

1981-06-23

1983-11-15

Jacobs, Lewis T.

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...

524447, 524449, 524456, C08L 7706, C08L 6702

Patent

active

044156995

ABSTRACT:
An extruded profiled section characterized in that it has been extruded from a composition comprising a blend of a linear polyamide, a linear polyester containing at least 80% by weight of ethylene terephthalate units and an inorganic fibrous filler wherein the composition contains 5 to 60% by weight of the composition of the filler and the weight ratio of polyamide to polyester is between 1:1 and 49:1, which composition preferably has a melt flow index of not greater than 2 measured according to ASTM-D1238 using a standard die of bore 2.096 mm, length 8 mm and a load of 2.16 kg at a temperature of 285.degree. C.
A preferred composition for preparing the extruded profiled section comprises a blend in which the polyamide contains an excess of terminal amino groups, and preferably at least 20 g equivalents of terminal amino groups per 10.sup.6 g of polyamide, in excess of the carboxyl groups.

REFERENCES:
patent: 3553288 (1971-01-01), Oda et al.
patent: 3644271 (1972-02-01), Tulley
patent: 4013613 (1977-03-01), Abolins et al.
patent: 4229340 (1980-10-01), Druin et al.
Chemical Abstracts, vol. 84, No. 20, 1976, p. 54, Abstract 136732g.
Columbus, Ohio (US) & J-A-75 148 496 (Dainippon Ink & Chemicals), 2-11-1975 (Abstract).

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