| 摘要 |
In order to easily and effectively polymerize an organosiloxane and produce a polyorganosiloxane latex from which the organosiloxane monomer does not emerge and which has a weight-average diameter controlled to under 0.4 mum, a paste is polymerized which contains at least a cyclic organosiloxane, a surface active agent, an initiator, and water, and which is an emulsified dispersion of the cyclic organosiloxane, in which the water content is in a proportion of 1 to 66 parts by weight with respect to 100 parts by weight of the cyclic organosiloxane. A latex obtained by diluting the thus-obtained polymerized paste has excellent liquid stability. The above paste, which is an emulsified dispersion of the cyclic organosiloxane, can be produced by mixing the organosiloxane, the surface active agent, the initiator, and the water together in an emulsifying and dispersing machine, and dispersing therein.
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