Latex compositions sensitive to heat

Details Latex compositions sensitive to heat Latex compositions sensitive to heat

1975-08-01

1977-10-11

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296MN, 260 296NR, 260 296ME, 260 296RB, 260 297N, 260 297NR, 260 297E, C08L 702

Patent

active

040534405

ABSTRACT:
A latex composition sensitive to heat, particularly for use as a binder for nonwoven fabrics, comprises 0.05 to 5 parts by weight per 100 parts by weight of a latex (as the dry solids) of a urethane-oxyalkylene copolymer having the formula ##STR1## IN WHICH R represents an aliphatic group and/or an aromatic group which can contain a biuret group, a urethane group or isocyanate groups, R' is hydrogen or a lower alkyl radical having 1 to 8 carbon atoms (straight or branch chain), an aryl radical or an alkylaryl radical, x is 0 or 1, y is always greater than 2 and x+y is also always greater than 2; n has a value ranging between 2 and 4 inclusive while p has a value at least equal to 5.

REFERENCES:
patent: 3190847 (1965-06-01), Mitchell et al.
patent: 3264134 (1966-08-01), Vill et al.
patent: 3484394 (1969-12-01), Holdstock
patent: 3539482 (1970-11-01), Stewart
patent: 3539483 (1970-11-01), Keberle et al.
patent: 3770684 (1973-11-01), Singer et al.
patent: 3862074 (1975-01-01), Hickey
patent: 3905929 (1975-09-01), Noll

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