Polyether treated guayule resin and rubber compositions containi

Details Polyether treated guayule resin and rubber compositions containi Polyether treated guayule resin and rubber compositions containi

1985-07-02

1986-11-11

Schofer, Joseph L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525379, 525381, 525382, 528930, 152564, C08C 1922, B60C 100

Patent

active

046223657

ABSTRACT:
Guayule-type resins are chemically treated with an amine terminated polyether. The polyether treated guayule resins have high softening points and usually impart improved physical properties when used as rubber additives.

REFERENCES:
patent: 2713572 (1985-07-01), Wyandotte
patent: 3607792 (1971-09-01), Speranza et al.
patent: 3639928 (1972-02-01), Bentley et al.
patent: 3730908 (1973-05-01), Harvey
patent: 3875072 (1975-04-01), Waddill
patent: 3941732 (1976-03-01), Yukuta et al.
patent: 4127514 (1978-11-01), Waddill
patent: 4434266 (1984-02-01), Trivette, Jr.
"Degradative Effects of Guayule Resin on Natural Rubber", Keller, Winkler, Stephens, Rubber Chemistry and Technology, vol. 54, No. 1, Mar.-Apr. 1981.

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