Controlled morphology barrier elastomers made from blends of syn

Details Controlled morphology barrier elastomers made from blends of syn Controlled morphology barrier elastomers made from blends of syn

1991-03-29

1992-02-25

Seccuro, Carman J.

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

Synthetic resins

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

152203, 152510, 152DIG16, B60C 914, B32B 2728, C08L 2326, C08L 900

Patent

active

050914677

ABSTRACT:
An elastomer barrier composition comprises a melt blend of syndiotactic 1,2-polybutadiene, a terpolymer of ethylene, vinyl acetate and vinyl alcohol, and a compatibilizing agent. The melt blend is formed under suitable mixing and shear conditions such that the terpolymer exists as a separate domain in generally a flat or plate-like form. The elastomer barrier material can be utilized in rubber compositions such as in the innerliner of the tire.

REFERENCES:
patent: 3595740 (1971-07-01), Gerow
patent: 4281045 (1981-07-01), Sumi et al.
patent: 4362844 (1982-12-01), Lemstra et al.
patent: 4394473 (1983-07-01), Winter et al.
patent: 4905735 (1990-03-01), Akiyoshi
patent: 4956210 (1990-09-01), Hoyt et al.

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