Water soluble amine resins which are Mannich bases

Details Water soluble amine resins which are Mannich bases Water soluble amine resins which are Mannich bases

1981-07-13

1983-08-02

Schain, Howard E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523414, 523417, 524596, 524598, 525507, 525525, 528107, 528121, 528149, 528153, 528155, 204181C, C08G 1406, C08G 5902, C08G 5914, C08G 5950

Patent

active

043967329

ABSTRACT:
An amine resin soluble in water with the aid of an acid is produced by reacting a dihydric phenolic compound, such as a bisphenol, with a stoichiometric deficiency of preferably aromatic diepoxide, and then reacting the product containing less than -0.3 part of unreacted dihydric phenolic compound per part of reaction product with at least about 3.25 mol of formaldehyde per mol of said reaction product and with monosecondary amine to produce a Mannich base. This Mannich base is then reacted with additional diepoxide in an amount of from 0.5 to 2 epoxy equivalents per epoxy equivalent in the initially used diepoxide.

REFERENCES:
patent: 3994989 (1976-11-01), Kempter et al.
patent: 4001155 (1977-01-01), Kempter et al.
patent: 4155847 (1979-05-01), Tanaka et al.
patent: 4269742 (1981-05-01), Goeke et al.
patent: 4278580 (1981-07-01), Schmolzer et al.

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