Compositions: coating or plastic – Coating or plastic compositions – Molds and mold coating compositions
Patent
1979-06-15
1981-01-13
Welsh, Maurice J.
Compositions: coating or plastic
Coating or plastic compositions
Molds and mold coating compositions
B28B 736
Patent
active
042447429
ABSTRACT:
The invention concerns an improvement in the process for the production of dispersions of diorganopolysiloxanes and lubricant-acting inorganic silicates in water, whereby these dispersions contain, in addition to the above-mentioned substances, lecithin and nonionic emulsifiers, as well as solvents, ionic emulsifiers, lubricants other than inorganic silicates and diorganopolysiloxane, bactericides, fungicides, thickeners, antifoaming agents, rust inhibitors and dyes. The improvement is achieved by emulsifying the lecithin, nonionic emulsifier and water with each other before this mixture is mixed with at least 80% by weight of the diorganopolysiloxane contained in the finished dispersion, and, optionally, lubricants other than inorganic silicates and diorganopolysiloxanes. Furthermore, the invention concerns the application of the dispersions produced according to the invention as release agents, especially as inner tire release agents.
REFERENCES:
patent: 3713851 (1973-01-01), Cekada
patent: 3872038 (1975-03-01), Adams et al.
patent: 4029511 (1977-06-01), Carson et al.
Huber Peter
Meusel Jurgen
Wacker-Chemie GmbH
Welsh Maurice J.
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