Photochemical method of preparing dihydrocarbyl mercaptohydrocar

Details Photochemical method of preparing dihydrocarbyl mercaptohydrocar Photochemical method of preparing dihydrocarbyl mercaptohydrocar

1981-11-05

1983-08-30

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

B01J 1912

Patent

active

044015356

ABSTRACT:
Silica-reinforced rubber compositions are prepared employing a mercaptan-substituted phosphonate as a coupling agent. Preparation and use of the mercaptan-substituted phosphonate coupling agent is illustrated using dimethyl 3-mercaptopropylphosphonate and a butadiene/styrene emulsion polymerized copolymer reinforced with a precipitated hydrated silica.

REFERENCES:
patent: 2879285 (1959-03-01), Birum
patent: 2901458 (1959-08-01), Westfield et al.
patent: 3170940 (1965-02-01), Johnston
patent: 3332905 (1967-07-01), Teter
patent: 3711493 (1973-01-01), George et al.
patent: 3880735 (1975-04-01), Oswald
J. Org. Chem., 44 (17), 2967-2972, (1979).
Chemical Abstracts 47, 10453h (1953).

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