Sizes

Details Sizes Sizes

1983-02-15

1985-02-12

Morris, Theodore

Stock material or miscellaneous articles

Composite

Of polyamide

106243, 1621646, 2604045, C08L 9100, D21D 300, B32B 2706

Patent

active

044991533

ABSTRACT:
New products having excellent sizing action, in particular on paper are obtained by reacting .alpha.,.beta.-unsaturated carboxylic acids or their reactive derivatives (such as, for example, esters or anhydrides) with amide-amines of higher carboxylic acids at temperatures above 120.degree. C.
The new products are used in size formulations, preferably as aqueous alkaline and, in particular, aqueous ammoniacal, dispersions.

REFERENCES:
patent: 2149273 (1939-03-01), Carothers
patent: 2272466 (1942-02-01), Hummel
patent: 3816366 (1974-06-01), Laudise
patent: 3893885 (1975-07-01), Ziemann
patent: 3900335 (1975-08-01), Beck

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