Stable low foam waterborne polymer compositions containing poly(

Details Stable low foam waterborne polymer compositions containing poly( Stable low foam waterborne polymer compositions containing poly(

1998-02-13

1999-11-23

Jagannathan, Vasu

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...

524500, 524502, 526193, C08K 500, C08L 3308, C08L 3310, C08L 7900

Patent

active

059902248

ABSTRACT:
This invention provides low foam waterborne polymer compositions stabilized against gelling due to the addition of a poly(alkylenimine) by addition of surfactants. Preferably, the surfactants are nonionic surfactants having a hydrophilic-lipophilic balance (HLB) of at least about 17.5. Polymerization in the presence of phosphate surfactants has been found to yield low foam polymers. These stable low foam polymer compositions are useful in a variety of coating formulations such as, for example, paints, inks, sealants, textile backcoatings, adhesives and the like. Methods of making stable low foam polymer are also disclosed.

REFERENCES:
patent: 5296530 (1994-03-01), Bors et al.
patent: 5484975 (1996-01-01), Itatsu
patent: 5498659 (1996-03-01), Esser
patent: 5525662 (1996-06-01), Lavoie et al.
patent: 5534310 (1996-07-01), Rokowski et al.
patent: 5891950 (1999-04-01), Collins et al.

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