Polyamide resin dispersions and method for the manufacture there

Details Polyamide resin dispersions and method for the manufacture there Polyamide resin dispersions and method for the manufacture there

1989-03-08

1989-08-01

Foelak, Morton

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524253, 524538, 524606, 524607, C08K 716

Patent

active

048534218

ABSTRACT:
A method is provided for the preparation of stable aqeuous dispersions of non-solvated, un-neutralized, low amine, low acid number polymerized fatty acid polyamider resins. In the preferred method of this invention, a polymerized fatty acid polyamide resin which has been prepared so as to have a low acid and low amine number is liquefied by heating the polyamide resin to a temperature where it is at or above its melting point. The liquified polymerized fatty acid polyamide resin is then blended with a predetermined amount of water which is heated to a temperature such that the resulting blend will have a temperature above the melting point of the polyamide resin. A cationic surfactant which is the salt of the amide of the formula:

REFERENCES:
patent: 3844991 (1974-10-01), Ferraro
patent: 4123403 (1978-10-01), Warner
patent: 4172066 (1979-10-01), Zweigle et al.
patent: 4247434 (1981-01-01), Lovelace et al.
patent: 4371636 (1983-02-01), Distler et al.

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