Modified colophony rosins, a process for their preparation, thei

Details Modified colophony rosins, a process for their preparation, thei Modified colophony rosins, a process for their preparation, thei

1984-03-15

1985-09-10

Morris, Theodore

Stock material or miscellaneous articles

Composite

Of natural gum, rosin, natural oil or lac

106238, 260102, B32B 906, C08L 9300

Patent

active

045406359

ABSTRACT:
The colophony rosins which have been esterified with a tertiary amino alcohol are disclosed. These colophony rosins which are normally also reinforced with formaldehyde and/or an .alpha.,.beta.-unsaturated carbonyl compounds are useful in the form of an aqueous dispersion as a paper sizing agent. Disclosed are processes for the formation of such colophony rosins and paper sizing agents containing the same as well as papers so sized.

REFERENCES:
patent: 2419816 (1947-04-01), Brown
patent: 2686732 (1954-08-01), Montgomery
patent: 2985537 (1961-05-01), Watkins
patent: 3288774 (1966-11-01), Cyba

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