Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1990-02-05
1990-12-25
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523416, 523417, 525510, 528 45, 528107, 2041817, C08L 6300, C09D 544, C25D 1300
Patent
active
049803999
ABSTRACT:
The invention relates to water-dilutable binders for cationic electrocoating finishes, the said binders containing latent primary amino groups. In order to prepare the binders, an epoxy resin is reacted with a polyamine, which in addition to a sterically hindered primary amino group also contains at least one primary amino group blocked by reaction with a ketone or aldehyde, and, if appropriate, further primary or secondary amines.
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Geist Michael
Ott Gunther
Schon Georg
BASF Lacke & Farben AG
Nielsen Earl
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