Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1984-02-17
1984-11-27
Nielsen, Earl A.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
523414, 523415, 525504, 528 45, 528 73, C08L 6300, C08G 1858
Patent
active
044849940
ABSTRACT:
A cathodically electrodepositable, self-cross-linkable polymer is a hydroxyalkyl carbamate-containing resin having at least one tertiary amine and at least two hydroxyalkyl carbamate groups per molecule. The polymer is made by reacting an epoxy resin having an average epoxy equivalent weight of from about 300 to about 10,000 with one or more amines having at least one secondary amine group and at least one hydroxyalkyl carbamate group or precursor thereof. Hydrophobic amines may be co-reacted to enhance hydrophobicity of the polymer. An electrodeposition bath is made by acidifying the polymer to form an aqueous dispersion. A low temperature-curable coating is attained by utilization of the polymer with a suitable quaternary or ternary compound catalyst.
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Blank Werner J.
Jacobs, III William
Parekh Girish G.
American Cyanamid Company
Hultquist Steven J.
Nielsen Earl A.
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