Oxygen-stable rosin-primary polyhydric aliphatic alcohol esters

Details Oxygen-stable rosin-primary polyhydric aliphatic alcohol esters Oxygen-stable rosin-primary polyhydric aliphatic alcohol esters

1978-04-24

1979-10-23

Cockeram, H. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260103, 09F 104, C09F 104

Patent

active

041720709

ABSTRACT:
There are provided oxygen stable rosin-primary polyhydric alcohol esters and a process for esterifying a rosin with a primary polyhydric alcohol in the presence of catalytic amounts of an arylsulfonic acid added either simultaneously or subsequent to the initial rosin-polyhydric alcohol reaction to complete esterification and to obtain a rosin ester having markedly improved oxidation stability and good color.

REFERENCES:
patent: 1840395 (1932-01-01), Johnston
patent: 1923507 (1933-08-01), Rosenblum
patent: 2138193 (1938-11-01), Peterson
patent: 2590910 (1952-04-01), Wittcoff et al.
patent: 3377333 (1968-04-01), Ciesielski et al.
patent: 3417071 (1968-12-01), Wheelus
patent: 3780012 (1973-12-01), Smith
patent: 3780013 (1973-12-01), Smith

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