Polyamine-epihalohydrin resinous reaction products

Details Polyamine-epihalohydrin resinous reaction products Polyamine-epihalohydrin resinous reaction products

1976-05-11

1978-12-12

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 292EP, 528405, C08F 0000

Patent

active

041295285

ABSTRACT:
Resinous reaction products wherein the hydrohalide salt of a polyamine is condensed with an epihalohydrin provides improved wet strength and improved dry strength to cellulosic substrates such as paper, paperboard, and the like. It has been found that the wet strength and dry strength of paper products can be significantly improved by using a resinous reaction product resulting from the removal of halide ions from the polyamine hydrohalide salt before it is condensed with an epihalohydrin.

REFERENCES:
patent: 2595935 (1952-05-01), Daniel et al.
patent: 3248353 (1966-04-01), Coscia
patent: 3520774 (1970-07-01), Roth
patent: 3700623 (1972-10-01), Keim
patent: 3803237 (1974-04-01), Lednicer et al.

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