Polyester antifume additive for spandex fiber

Details Polyester antifume additive for spandex fiber Polyester antifume additive for spandex fiber

1983-09-26

1985-03-12

Lesmes, George F.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

4284237, 4284231, 428364, 528906, 524153, 524151, 524147, 524310, D02G 300, B32B 2740

Patent

active

045046123

ABSTRACT:
Saturated aliphatic polyesters having a repeating unit which has the structural form of a residue of a glycol combined with a residue of a diacid or the form of a residue of a hydroxy acid, the number of carbon atoms in the shortest chain between ends of the residues being in the range of 3 to 10 for the glycol residue and no more than 12 for the diacid residue or for the hydroxy acid residue, provide polyether-based spandex fibers with improved resistance to discoloration induced by exposure to nitrogen dioxide fumes.

REFERENCES:
patent: 4233412 (1980-12-01), Body et al.

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