Synergistic mixture of polyurethane and emulsion polymers useful

Details Synergistic mixture of polyurethane and emulsion polymers useful Synergistic mixture of polyurethane and emulsion polymers useful

1983-01-03

1985-03-26

Bleutge, John C.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524507, 525 92, 525123, 525127, C08L 5300, C08F 830

Patent

active

045074267

ABSTRACT:
A thickening composition is made by blending (a) a liquid emulsion polymer made from (i) an addition polymerizable acid, (ii) an addition polymerizable nonionic vinyl monomer, and (iii) a nonionic vinyl surfactant ester; and (b) a urethane polymer having at least three hydrophobic groups, at least two of which are terminal hydrophobic groups, the hydrophobic groups being linked by hydrophilic groups. The thickening compositions of the invention have an excellent combination of properties including leveling, lack of sagging, and lack of syneresis.

REFERENCES:
patent: 3652497 (1972-03-01), Junas et al.
patent: 4075411 (1978-02-01), Dickstein
patent: 4079028 (1978-03-01), Emmons et al.
patent: 4384096 (1983-05-01), Sonnabend

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