Compositions – Preservative agents – Anti-corrosion
Patent
1985-02-25
1986-09-02
Lovering, Richard D.
Compositions
Preservative agents
Anti-corrosion
10628714, 252312, 524863, B01J 1300, C08L 8306, C09D 534
Patent
active
046094865
ABSTRACT:
The shelf life of an aqueous, anionic silicone emulsion, which contains an organic tin compound and which forms an elastomer upon removal of the water, is improved by the addition of an additive. The additive is selected from the group consisting of alkyl mercaptan, 8-quinolinol, thioglycolic acid, and salts of thioglycolic acid. Elastomers produced by removing the water from these emulsions, once shelf aged, have more consistent physical properties than do elastomers produced from similar emulsions not containing the additives.
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patent: 4221688 (1980-09-01), Johnson et al.
patent: 4244849 (1981-01-01), Saam
patent: 4370252 (1983-01-01), Uraneck et al.
J. C. Saam et al.: "Room-Temperature-Cured Polydimethylsiloxane Elastomers from Aqueous Dispersion", Rubber Chemistry and Technology, vol. 54, No. 5, Nov.-Dec. 1981, pp. 976-987.
J. C. Saam et al.: "Condensation Polymerization of Oligomeric Polydimethylsiloxanols in Aqueous Emulsion", Journal of Polymer Science: Polymer Chem. Edit., vol. 20, 3351-3368 (1982).
Freiberg Alan L.
Graiver Daniel
Lim Thomas F.
Wright Antony P.
Dow Corning Corporation
Elliott Edward C.
Lovering Richard D.
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