Discoloration-resistant spandex fiber

Details Discoloration-resistant spandex fiber Discoloration-resistant spandex fiber

1983-09-26

1985-10-22

McCamish, Marion E.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524101, 428364, D02G 300

Patent

active

045489750

ABSTRACT:
Increased resistance to discoloration induced by smog or heat is imparted to a spandex fiber by incorporating within the fiber a phenolic antioxidant and a dialkyl phenyl phosphite in which at least half of the alkyl groups are branched at the alpha position and the phenyl groups are unsubstituted or monoalkyl substituted.

REFERENCES:
patent: 3373251 (1968-03-01), Megna et al.
patent: 3419524 (1968-12-01), Larrison
patent: 4228247 (1980-10-01), Moore et al.

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