Multi-component polymer rubber

Details Multi-component polymer rubber Multi-component polymer rubber

1981-12-28

1983-06-07

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526249, 526253, 526254, 526255, C08F 1418, C08F 1220, C08F 2022

Patent

active

043872034

ABSTRACT:
A multi-component polymer rubber comprising (A) 15 to 60 mole % of an .alpha.,.beta.-unsaturated nitrile, (B) 10 to 75 mole % of a conjugated diene, and (C) 2 to 55 mole % of a fluoroalkyl acrylate or methacrylate or a fluorine-containing .alpha.-olefin, and having a glass transition temperature (T.sub.g) of -50.degree. C. to -20.degree. C., the percentages of the components (A), (B) and (C) being based on the total sum of moles of the components (A), (B) and (C). Said multi-component polymer rubber is excellent in sour gasoline resistance and alcohol-containing gasoline resistance.

REFERENCES:
patent: 3386977 (1968-06-01), Kleiner
patent: 4095019 (1978-06-01), Markiewitz et al.
Rubber and Plastics News, (RPN Technical Notebook); Jun. 26, 1978, Edited by Dick Walker.
SAE Technical Paper Series, "High Performance Fuel Line for Emerging Automotive Needs", B. Spoo, Jun. 1980.

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