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US 9,586,889 B2Granted
Condensation products of amino-functional polymers
AssigneeSika Technology AG
InventorsJuergen Finter, Ulrich Gerber, Edis Kasemi, Andreas Kramer
Life of this patent
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Abstract
A condensation product of at least one (hydroxymethyl)phenol and at least one polyoxyalkylene diamine and a process for the preparation thereof and the use thereof in the curing of epoxy resin systems are described.
Claims10
A composition comprising the mixture obtained from a condensation reaction of at least one polyoxyalkylene diamine and at least one (hydroxymethyl)phenol of the general formula (I):
- where:
- R1 is hydrogen or —CH3;
- R2 is hydrogen;
- and
- R3 is hydrogen or —CH3;
- and
- wherein
- the at least one polyoxyalkylene diamine has two primary amino groups;
- and
- the composition contains no free formaldehyde.
7 more elements
A composition comprising the mixture obtained from a condensation reaction of at least one polyoxyalkylene diamine and at least one (hydroxymethyl)phenol of the general formula (I):
- where:
- R1 is hydrogen or —CH3;
- R2 is hydrogen;
- and
- R3 is hydrogen or —CH3;
- and
- wherein
- the at least one polyoxyalkylene diamine has two primary amino groups;
- and
- the composition is obtained in the absence of formaldehyde.
7 more elements
Dependencies are inferred from the claim text.