Polyurethane dispersions useful for preparing thin wall articles

Details Polyurethane dispersions useful for preparing thin wall articles Polyurethane dispersions useful for preparing thin wall articles

1998-10-22

1999-12-07

Niland, Patrick D.

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...

2159, 21617, 2167, 2168, 264239, 264299, 264301, 264305, 446220, 524539, 524839, 524840, 604264, 604349, C08J 300, C08K 320, C08L 7500, A41D 1900, A61F 544

Patent

active

059985402

ABSTRACT:
Disclosed are aqueous polyurethane dispersions prepared from polyester polyols having 0.95 to 1.5 equivalents of carboxylic functionality thereon per equivalent of polyol, the dispersions also containing a nonionic surfactant component wherein the ratio by weight of said carboxylic functionality to said nonionic surfactant component is 1:2.5 to 1:0.5. The dispersions are particularly adapted to the formation of thin wall articles exhibiting greatly improved properties.

REFERENCES:
patent: 5800872 (1998-09-01), Katz et al.

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