Zirconium (III) salts as cure co-catalysts for nonwoven binders

Details Zirconium (III) salts as cure co-catalysts for nonwoven binders Zirconium (III) salts as cure co-catalysts for nonwoven binders

1988-01-12

1989-07-04

McCamish, Marion C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428288, 428290, 523111, 524127, 524555, 524564, 524813, 525379, 525381, 525382, 526304, B32B 2700, C08L 3900

Patent

active

048449709

ABSTRACT:
A crosslinkable anionic binder composition which comprises an emulsion copolymer containing acrylamidoglycolic acid (AGA) and a zirconium III salt of an alpha or beta hydroxycarboxylic acid, the pH of the composition being from about 1.5 to 4.5. Provided are nonwoven binder compositions which are stable for extended periods prior to application of the binder composition onto the nonwoven substrate and initiation of crosslinking by application of heat.

REFERENCES:
patent: 4084033 (1978-04-01), Drelich
patent: 4289676 (1981-09-01), Czauderng et al.
patent: 4447570 (1984-05-01), Cook et al.
patent: 4522973 (1985-06-01), Lay et al.

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