Elasthane threads, their production and intermediate products re

Details Elasthane threads, their production and intermediate products re Elasthane threads, their production and intermediate products re

1986-04-03

1988-02-16

Welsh, Maurice J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524342, 524343, 524721, 528 49, 528 65, 528 78, 528 82, 528 84, 528 85, C08G 1832

Patent

active

047256362

ABSTRACT:
In the production of elasthane threads by solution spinning of polyurea polyurethanes by conventional spinning processes, excellent stabilization against light and noxious gases are obtained if at least one component of the system to be spun contains tertiary amino groups and the substances used as antioxidizing agents are phenols of the kind which do not form colored nitro compounds.

REFERENCES:
patent: 3461106 (1969-08-01), Oertel et al.

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