Low viscosity, fast curing binder for cellulose

Details Low viscosity, fast curing binder for cellulose Low viscosity, fast curing binder for cellulose

1990-09-28

1993-03-30

Schofer, Joseph L.

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...

524555, 524552, 524558, 524560, C08J 303

Patent

active

051984920

ABSTRACT:
Low viscosity, fast curing binders for nonwoven cellulosic materials comprise an aqueous dispersion of discrete particles of a highly functionalized emulsion copolymer resulting from the copolymerization of a water insoluble olefinic non-ionic organic compound, a water soluble olefinic carboxylate compound and a water soluble olefinic hydroxy ester or a water soluble olefinic amide or a mixture of hydroxy ester and amide. The emulsion copolymer dispersion is admixed with a latex to provide a binder having a relatively low viscosity and capable of reaching about 80 percent of fully cured wet tensile strength in 8 seconds or less.

REFERENCES:
patent: 3137589 (1964-06-01), Reinhard et al.
patent: 3594337 (1971-07-01), Shea
patent: 3616166 (1971-10-01), Kelley
patent: 3766112 (1973-10-01), Blackford
patent: 4289676 (1981-09-01), Czauderna et al.
patent: 4406660 (1983-09-01), Beiner et al.
patent: 4455341 (1984-06-01), Fink et al.
patent: 4743498 (1988-05-01), Kedrowski

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