Decarboxylation of rosin acids

Details Decarboxylation of rosin acids Decarboxylation of rosin acids

1984-01-06

1985-05-07

Cockeram, Herbert S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 98, 106311, C09F 100, C09F 500

Patent

active

045157138

ABSTRACT:
There is disclosed a process for the preparation of thermal oils which comprises heating rosin acids to a temperature from 300.degree.-360.degree. C. in the presence of at least one decarboxylation accelerator selected from the group consisting of high sulfur content tall oil rosin, Vinsol.TM. resin, fatty acids, organic sulfides and inorganic sulfides. The process of this invention provides an economical and efficient method of treating a renewable natural wood-derived feedstock to produce a material that is suited for numerous applications, especially in rubber formulations.

REFERENCES:
patent: 2311508 (1943-02-01), Aver
patent: 2431788 (1947-12-01), Collonges et al.
patent: 3377334 (1968-04-01), McBride et al.
patent: 3872073 (1975-03-01), Thorpe et al.
patent: 4271066 (1981-06-01), Matsuo et al.
Webster's New World Dictionary, College Edition, World Publishing Co., (N.Y.), 1964, excerpt from p. 1664.

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