Polyurethanes

Details Polyurethanes Polyurethanes

2005-01-27

2010-02-02

Tran, Thao T. (Department: 1794)

Stock material or miscellaneous articles

Composite

Of polyamidoester

C528S060000, C528S061000, C528S066000, C528S070000

Reexamination Certificate

active

07655310

ABSTRACT:
Polyurethanes-urea based on perfluoropolyethers comprising ionizable groups and pendant groups having the following structure:in-line-formulae description="In-line Formulae" end="lead"?—RI—Si(ORII)n(OH)3−n  (I)in-line-formulae description="In-line Formulae" end="tail"?wherein:RIis alkylene from 1 to 10 carbon atoms;RIIis an alkyl group from 1 to 4 carbon atoms;n is an integer from 0 to 3.

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Kirk-Othmer, “Silicon Compounds (Silicones),” Encyclopedia of Chemical Technology, Fourth Edition, vol. 22—Silicon Compounds to Succinic Acid and Succinic Anhydride, title page and pp. 118-119.

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