Polyamide-imide based filaments, and a process for obtaining the

Details Polyamide-imide based filaments, and a process for obtaining the Polyamide-imide based filaments, and a process for obtaining the

1991-11-12

1992-10-27

Welsh, Maurice J.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

C08G 7314

Patent

active

051590522

ABSTRACT:
The present invention relates to heat-resistant threads, filaments and fibres based on polyamide-imide. They have a polydispersion index I.ltoreq.2.2, a breaking tenacity.gtoreq.45 cN/tex, a Young's modulus.gtoreq.3.8 GPa, an elongation.ltoreq.25% and a color defined by the luminance Y>25%, the degree of whiteness DW<30 and the yellow index YI>170. In addition they have a very good stability to light, quantified by the retention of the mechanical characteristics. They have wide application in working and protective garments.

REFERENCES:
patent: 3843587 (1974-10-01), Keating
patent: 4061623 (1976-10-01), Onder
patent: 4950700 (1990-08-01), Balme et al.

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