Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1984-07-11
1985-12-10
Nielsen, Earl
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
523415, 523416, 523424, 525481, 525510, 528 45, 528121, C08G 5950, C08G 5914
Patent
active
045578141
ABSTRACT:
A synthetic resin which carries basic nitrogen groups and can be diluted with water as a result of protonation with an acid can be obtained by reacting an epoxy resin, having a mean molecular weight M.sub.n of from 300 to 6,000 and containing on average from 1.5 to 3.0 epoxide groups per molecule, with a diketimine of a primary diamine and, if appropriate, a secondary amine, which may additionally contain a tertiary amino group, a ketimine of a primary monoamine and/or a ketimine of a primary/tertiary diamine.
These resins are useful as binders for coating agents, in particular for the cathodic electrocoating of electrically conductive substrates.
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Ahlers Klaas
Loch Werner
Osterloh Rolf
Schupp Eberhard
BASF - Aktiengesellschaft
Nielsen Earl
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