Curable aqueous polyurethane dispersions

Details Curable aqueous polyurethane dispersions Curable aqueous polyurethane dispersions

2007-01-30

2007-01-30

Niland, Patrick D. (Department: 1714)

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...

C427S372200, C427S385500, C428S423100, C524S589000, C524S590000, C524S591000, C524S839000, C524S840000, C525S123000, C525S131000, C525S455000

Reexamination Certificate

active

10311307

ABSTRACT:
A curable aqueous polyurethane dispersion substantially comprisesa) at least one compound having two free isocyanate groups, at least one allophanate group and at least one C═C double bond capable of free radical polymerization, a carbonyl group or an oxygen atom in the form of an ether function being bonded directly to the double bond,b) at least one compound having at least one group reactive toward isocyanate groups and having a C═C double bond capable of free-radical polymerization,c) if required, at least one compound having at least two groups reactive towards isocyanate groups and selected from hydroxyl, mercapto, primary and/or secondary amino groups,d) at least one compound having at least one group reactive towards isocyanate groups and having at least one acid group,e) at least one basic compound for neutralizing or partially neutralizing the acid groups of the compounds d),and a thermal initiator and is used for coating substrates.

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esp@cenet—English Abstract of DE 199 47 054 A1.
esp@cenet—English Abstract of DE 100 33 697 A1.

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