Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1995-09-22
1996-07-09
Teskin, Fred
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525193, 525194, 525232, 5253326, 524262, 524571, 524572, 152209R, 526174, C08L 900, C08K 554
Patent
active
055345921
ABSTRACT:
This invention reveals a high performance polybutadiene rubber blend comprised of (a) a first polybutadiene rubber, (b) a second polybutadiene rubber, and (c) a third polybutadiene rubber; wherein the first polybutadiene rubber, the second polybutadiene rubber, and the third polybutadiene rubber are selected from the group of consisting of super-high vinyl polybutadiene rubbers having a vinyl content which is within the range of 80 percent to 100 percent, high vinyl polybutadiene rubbers having a vinyl content which is within the range of 60 percent to 79 percent, medium vinyl polybutadiene rubbers having a vinyl content which is within the range of 35 percent to 59 percent, and low vinyl polybutadiene rubbers having a vinyl content which is within the range of 8 percent to 34 percent; wherein at least three members selected from the group consisting of super-high vinyl polybutadiene rubbers, high vinyl polybutadiene rubbers, medium vinyl polybutadiene rubbers, and low vinyl polybutadiene rubbers are included in the blend, wherein at least one of the polybutadiene rubbers in the blend has a vinyl content which is within 35 percentage points of the vinyl content of at least one other polybutadiene rubber in the blend, wherein the blend as a whole has a vinyl content of at least 40 percent, and wherein the blend contains at least 10 parts of the first polybutadiene rubber, at least 10 parts of the second polybutadiene rubber and at least 10 parts of the third polybutadiene rubber, based upon a total of 100 parts of rubber in the blend.
REFERENCES:
patent: 3864430 (1975-02-01), Umeno et al.
patent: 3928282 (1975-12-01), Lohr, Jr. et al.
patent: 4530959 (1985-07-01), Armbruster et al.
patent: 4683257 (1987-07-01), Kakiuchi et al.
patent: 4843120 (1989-06-01), Halasa et al.
patent: 4971329 (1990-11-01), Llort et al.
patent: 5047483 (1991-09-01), Halasa et al.
patent: 5061765 (1991-10-01), Hsu et al.
patent: 5137998 (1992-08-01), Hsu et al.
patent: 5239009 (1993-08-01), Halasa et al.
patent: 5272220 (1993-12-01), Rodgers et al.
patent: 5405927 (1995-04-01), Hsu et al.
patent: 5468822 (1995-11-01), Tsujimoto et al.
Halasa Adel F.
Henning Steven K.
Hsu Wen-Liang
Lucas Danielle
Sandstrom Paul H.
Rockhill Alvin T.
Teskin Fred
The Goodyear Tire & Rubber Company
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