Synthetic rubber with guayule resin stabilization

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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524505, 524518, 524525, 524571, 524575, C08L 900, C08L 902, C08L 906, C08L 9300

Patent

active

046476075

ABSTRACT:
Synthetic rubber is thermooxidatively stabilized with guayule resin. The guayule resin imparts favorable stabilization as evidenced by minimum bulk viscosity changes and minimum gel formation, especially with styrene-butadiene synthetic elastomers prepared by emulsion or hydrocarbon solvent techniques.

REFERENCES:
patent: 4435337 (1984-03-01), Kay et al.
"Plastification Effect of Guayule Resin on Raw Rubber", Winkler et al, Second International Conf., Saltillo, Mexico, 1977.
"Degradative Effects of Guayule Resin on Natural Rubber", Keller et al, paper No. 55,117 meeting of Rubber Div. Asc., May 1980.
"Guayule, an Alternative Source of Natural Rubber", National Academy of Sciences, Washington, D.C., 1977, p. 66.

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