Temporary wet strength resins

Details Temporary wet strength resins Temporary wet strength resins

1985-06-25

1986-07-29

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

1621683, 1621684, 525383, 526304, C08F 800

Patent

active

046031766

ABSTRACT:
Temporary wet strength resin polymers having the formula ##STR1## wherein A is a polar, non-nucleophilic unit which does not cause said resin polymer to become water-insoluble; B is a hydrophilic, cationic unit which inparts a positive charge to the resin polymer; each R is H, C.sub.1 -C.sub.4 alkyl or halogen;

REFERENCES:
patent: 3096228 (1963-07-01), Day et al.
patent: 3556932 (1971-01-01), Cosica et al.
patent: 3709857 (1973-01-01), Faessinger
patent: 3740391 (1973-06-01), Williams et al.
patent: 3772259 (1973-11-01), Williams et al.
patent: 3772407 (1973-11-01), Williams et al.
patent: 3773736 (1973-11-01), Williams et al.
patent: 3790537 (1974-02-01), Panzer et al.
patent: 4217425 (1980-08-01), Ballweber et al.
Stannett, "Mechanisms of Wet-Strength Development in Paper" Surfaces Coatings Related Paper Wood, Symp., Syracuse, N.Y., 1967, 269-99.

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