Spandex prepared with hindered diisocyanates

Details Spandex prepared with hindered diisocyanates Spandex prepared with hindered diisocyanates

1999-10-05

2000-05-16

Sergent, Rabon

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...

528 61, 528 64, 528 76, 528906, C08G 1876, C08G 1832, C08G 1848, C08G 1810

Patent

active

060638923

ABSTRACT:
Polurethaneaureas prepared with 2,2-bis(4-isocyanatophenyl)propane or 1,4-bis(4-isocyanato-alpha,alpha-dimethylbenzyl)benzene, and spandex spun from such polyurethaneureas, are provided.

REFERENCES:
patent: 2929804 (1960-03-01), Steuber
patent: 3016364 (1962-01-01), Muller
patent: 3365347 (1968-01-01), Lund et al.
Principles of Color Technology, Second Edition, Fred W. Billmeyer, Jr. and Max Saltzman, A Wiley-Interscience Publication, John Wiley & Sons, 1981, pp. 62, 65 and 68.

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