Liquid crystalline poly (2,6-benzothiazole) compositions,...

Details Liquid crystalline poly (2,6-benzothiazole) compositions,... Liquid crystalline poly (2,6-benzothiazole) compositions,...

C - Chemistry, Metallurgy

08

K

18/599, 400/8101

C08K 3/32 (2006.01) C08G 63/12 (2006.01) C08G 63/68 (2006.01) C08K 5/49 (2006.01)

Patent

CA 1259736

A B S T R A C T Novel compositions comprising a high concentra- tion of poly(2,.beta.-benzothiazole) and certain polyphosphoric acids are prepared. Such composi- tions are optically anisotropic (liquid crystal- line), capable of exhibiting excellent cohesive strength, and are especially suited to the pro- duction of high molecular weight ordered polymer fibers by dry-jet wet spinning. These liquid crystalline compositions are capable of being drain through long air gap distances and spun at exceptionally high spin draw ratios. Fibers, films and other articles formed from these liquid crystalline compositions exhibit exceptionally high physical and heat resistant properties.

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