Phosphonates as silica-to-rubber coupling agents

Details Phosphonates as silica-to-rubber coupling agents Phosphonates as silica-to-rubber coupling agents

1981-11-05

1983-05-31

Marquis, Melvyn I.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

523216, 524139, 524570, 524574, 525341, 260746, 260756, 260775, C08K 336

Patent

active

043861857

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: 3332905 (1967-07-01), Teter
patent: 3711493 (1973-01-01), George et al.
Chem. Abs. 96-122879w, Mikolajczyk et al., ACS Symp. Ser. 1981, 171 (Phosphorus Chem.) 55-8.
J. Org. Chem., 44 (17), 2967-2972 (1979).
Chemical Abstracts 47, 10463h (1953).

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