Process for preparing aqueous dispersion of rosin-base materials

Details Process for preparing aqueous dispersion of rosin-base materials Process for preparing aqueous dispersion of rosin-base materials

1981-07-29

1983-04-19

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Natural resin or derivative containing

C08L 9304

Patent

active

043804756

ABSTRACT:
This invention provides a process for preparing an aqueous dispersion of a rosin-base material by an inversion method, the process being characterized in that the dispersant is at least one of compounds represented by the formula ##STR1## wherein R is hydrogen atom or lower alkyl group, A is straight-chain or branched-chain alkylene group having 2 or 3 carbon atoms, n is an integer of 4 to 25, one of X and Y is --SO.sub.3 M and the other thereof is hydrogen atom, and M is a monovalent cation.
The aqueous dispersion obtained by the process of the invention have excellent sizing effects, very high stabilities and greatly reduced foaming properties.

REFERENCES:
patent: 4199369 (1980-04-01), Hughes
patent: 4203776 (1980-05-01), Greiner
patent: 4267099 (1981-05-01), Okumichi et al.

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