Triazole-containing fluorocarbon-grafted polysiloxanes

Details Triazole-containing fluorocarbon-grafted polysiloxanes Triazole-containing fluorocarbon-grafted polysiloxanes

2005-12-19

2009-12-29

Moore, Margaret G (Department: 1796)

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

Synthetic resins

From silicon reactant having at least one...

C528S028000, C528S042000

Reexamination Certificate

active

07638589

ABSTRACT:
A polymer for imparting repellency and stain resistance to substrates is disclosed of Formula 1:in-line-formulae description="In-line Formulae" end="lead"?(W)a(R2)bSi(R1)2—O—[Si(R1)2—O]n—[Si(W)c(R1)d(R2)e—O]m—Si(R1)2—(W)f(R2)g  1in-line-formulae description="In-line Formulae" end="tail"?wherein:a, b, c, d, e, f and g are each independently 0 or 1, provided that (a+b) is 1, (f+g) is 1, and (c+d+e) is 2,each R1is a C1to C8alkyl,each R2is independently H or C1to C8alkyl, optionally containing oxygen, nitrogen, or sulfur, or a combination thereof, andn=0 to 500,m=1 to 100,each W is independentlyin-line-formulae description="In-line Formulae" end="lead"?(Rf—X—A—X)p—Y—X—in-line-formulae description="In-line Formulae" end="tail"?wherein:Rfis a straight or branched perfluoroalkyl group having from about 2 to about 20 carbon atoms, or a mixture thereof, which is optionally interrupted by at least one oxygen atom,each X is independently an organic divalent linking group having from about 1 to about 20 carbon atoms, optionally containing oxygen, nitrogen, or sulfur, or a combination thereof,A is a 1,2,3-triazole,p=1 to 2,Y is O, N, or NR wherein R is H or C1to C20alkyl, optionally containing oxygen, nitrogen, or sulfur, or a combination thereof.

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