C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/5706
C08K 7/04 (2006.01) B29C 47/00 (2006.01) C08K 7/14 (2006.01) C08L 67/02 (2006.01) C08L 77/00 (2006.01)
Patent
CA 1166377
ABSTRACT OF THE DISCLOSURE: An extruded profiled section characterised 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°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 106 g of polyamide, in excess of the carboxyl groups.
381066
Nield Eric
Thompson Martin K.
Barlow Charles Brian
Imperial Chemical Industries Plc
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