Polyurethanes containing sulphide groups, polymeric mixtures...

Details Polyurethanes containing sulphide groups, polymeric mixtures... Polyurethanes containing sulphide groups, polymeric mixtures...

2006-10-31

2006-10-31

Sergent, Rabon (Department: 1711)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C522S135000, C522S149000, C522S162000, C522S174000, C524S591000, C524S839000, C524S840000, C525S123000, C525S127000, C525S128000, C525S455000, C528S061000, C528S064000, C528S065000, C528S085000, C528S905000

Reexamination Certificate

active

07129288

ABSTRACT:
Novel polyurethanes containing sulfide groups which comprise at least one group of the general formula I in the polymer main chain and/or at least one group of the general formula II incorporated at the chain end:in-line-formulae description="In-line Formulae" end="lead"?—X—A—S—B—Y—  (I)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?—X—A—S—B—YH  (II)in-line-formulae description="In-line Formulae" end="tail"?in which the variables have the following definitions:S is the sulfur atom;X and Y independently of one another are oxygen atoms, sulfur atoms or groups —NZ where Z is the hydrogen atom or an alkyl radical of 1 to 10 carbon atoms; andA and B independently of one another are divalent organic radicals;novel polymer mixtures based thereon, and the use of the novel polyurethanes and polymer mixtures and dispersions thereof for the preparation of coating materials, adhesives and sealing compounds.

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