Acid group-containing hydrophilic co-condensation products of ke

Details Acid group-containing hydrophilic co-condensation products of ke Acid group-containing hydrophilic co-condensation products of ke

1984-03-14

1986-04-29

Welsh, Maurice J.

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

Synthetic resins

From ketone or ketene reactant

528220, 528226, C08G 1200, C08G 800, C08G 400

Patent

active

045858535

ABSTRACT:
The present invention provides acid group-containing, hydrophilic co-condensation products of ketone-aldehyde resins which are obtainable by the co-condensation of at least one ketone and at least one aldehyde with at least one acid group-introducing compound and with at least one aminoplast former and/or aromatic compound and/or at least one condensation product thereof and/or with at least one ligninsulphonate resin and/or cellulose derivative.
The present invention also provides a process for producing these co-condensation products and applications of thickening agents, retention agents, surface-active agents, dispersion agents and plasticizing agents consisting of or comprising these co-condensation products.

REFERENCES:
patent: 2321451 (1943-06-01), Bauer
patent: 2640043 (1953-05-01), Sturm
patent: 2674591 (1954-04-01), White et al.
patent: 2766218 (1956-10-01), Harvey et al.
patent: 3122523 (1964-02-01), Josten
patent: 3947425 (1976-03-01), Freeman et al.

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