Process for the controlled partition of guayule resin

Details Process for the controlled partition of guayule resin Process for the controlled partition of guayule resin

1987-01-30

1988-04-19

Reamer, James H.

Synthetic resins or natural rubbers -- part of the class 520 ser

Guayule rubber

528497, C08C 400

Patent

active

047390387

ABSTRACT:
A hydrocarbon insoluble polar fraction is extracted from guayule-like resins by adding a hydrocarbon solvent containing a small amount of water therein to the guayule-like resins and mixing the same. A two-phased solution is formed with the hydrocarbon insoluble polar fraction being located in the water phase. The addition of water to the hydrocarbon increases the yield of the insoluble polar fraction as well as the acid number and the amount of ketoalcohol located therein.

REFERENCES:
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patent: 4435337 (1984-03-01), Kay et al.
patent: 4542191 (1985-09-01), Kay et al.
patent: 4591631 (1986-05-01), Beattie et al.
patent: 4616068 (1986-10-01), Schloman et al.
patent: 4622365 (1986-11-01), Schloman et al.
patent: 4623713 (1986-11-01), Beinor et al.
Foster et al, "A Technology Assessment of Guayule Rubber Commercialization", pp. 67-73, N.T.I.S., (1980).
"Guayule Byproduct Evaluation: Extract Characterization", J. Agric. Food Chem. 1983, 31, 873-876, W. W. Schloman, Jr., R. A. Hively, Anoop Krishen, A. M. Andrews.

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