Low temperature curing of nonwoven products bonded with N-methyl

Details Low temperature curing of nonwoven products bonded with N-methyl Low temperature curing of nonwoven products bonded with N-methyl

1985-01-07

1986-05-20

Page, Thurman K.

Coating processes

With post-treatment of coating or coating material

Heating or drying

427389, 427391, 427392, 427393, D02G 300, B05D 302

Patent

active

045901023

ABSTRACT:
A nonwoven substrate impregnated with a vinyl acetate/ethylene/N-methylolacrylamide or vinyl chloride/ethylene/N-methylolacrylamide copolymer emulsion binder is cured by employing an acidic substance having a pKa of 1 to 2, sufficiently drying to volatilize a substantial amount of the water while not substantially cross-linking the copolymer binder and maintaining the dried nonwoven substrate at a temperature less than that for drying for a time sufficient to develop essentially full cure.

REFERENCES:
patent: 3380851 (1968-04-01), Lindemann et al.
patent: 3787232 (1974-01-01), Mikotalvy et al.
patent: 4051278 (1977-09-01), Democh
patent: 4145248 (1979-03-01), Van Eanam et al.
patent: 4158070 (1979-06-01), Lewicki, Jr. et al.
patent: 4256809 (1981-03-01), Larsson et al.
patent: 4279959 (1981-07-01), Falgiatore et al.
patent: 4297400 (1981-10-01), Kern et al.
patent: 4312914 (1982-01-01), Guth
patent: 4449978 (1984-05-01), Iacoviello
patent: 4505951 (1985-03-01), Kennedy
Airflex.TM. 120 Nonwoven Binder Brochure.
Airflex 105 Nonwoven Binder Brochure.
Airflex 120 Emulsion Brochure.
Airflex 105 Emulsion Brochure.

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