Elastomeric compositions, process for the preparation thereof an

Details Elastomeric compositions, process for the preparation thereof an Elastomeric compositions, process for the preparation thereof an

1988-10-11

1991-07-30

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...

525192, 525194, 525237, 525316, 525941, 152209R, C08L 906, C08L 2510, C08L 5302

Patent

active

050361384

ABSTRACT:
The present invention relates to an elastomeric composition suitable for tire treads comprising (1) 10-90% wt of a copolymer of a mono-aromatic vinyl compound and having a vinyl content of <50% wt and a Tg<-35 degree C., and (2) 90-10% wt of a hompolymer of a conjugated diene or a copolymer of a mono-aromatic vinyl compound and a conjugated diene, containing <25% wt of mono-aromatic vinyl compound and having a vinyl content <25% wt and a Tg<-55 degree C., both polymer having a differential content of mono-aromatic vinyl compound which is <5 percentage points.

REFERENCES:
patent: 4383085 (1983-05-01), Fujimati et al.
patent: 4471093 (1984-09-01), Furukawa et al.
patent: 4485205 (1984-11-01), Fujimati et al.
patent: 4510291 (1985-04-01), Kawakami
patent: 4515922 (1985-05-01), Sakakibara et al.
patent: 4567225 (1986-01-01), Misawa et al.
patent: 4748168 (1988-05-01), Kawakami et al.

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