Package for compounding rubber and compounded rubber

Details Package for compounding rubber and compounded rubber Package for compounding rubber and compounded rubber

1989-01-23

1990-09-18

Lieberman, Allan M.

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

Synthetic resins

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

525236, 525237, 525939, 524505, 523351, C08L 700, C08L 900, C08L 902, C08L 906

Patent

active

049579703

ABSTRACT:
A package comprised of (A) compounding ingredients for unvulcanized rubber packaged in (B) a film comprised of syndiotactic-1,2-polybutadiene, sulfur, accelerator and retarder. The invention further relates to a compounded rubber comprised of a mixture of such package and sulfur curable rubber. The film may also contain additional selected rubbers.

REFERENCES:
patent: 2617775 (1952-11-01), Newberg et al.
patent: 3930107 (1975-12-01), Yaeda et al.
patent: 4110500 (1978-08-01), Evans et al.
patent: 4112158 (1978-09-01), Cheekmore et al.

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