Title:
PROCESS FOR PRODUCING POLYORGANOSILOXANE LATEX, GRAFT COPOLYMER OBTAINED FROM THE LATEX, AND RESIN COMPOSITION CONTAINING THE GRAFT COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2006/016490
Kind Code:
A1
Abstract:
A process for producing a polyorganosiloxane latex having a particle diameter of 0.075 µm or smaller using small amounts of an emulsifying agent and an acid catalyst without using a siloxane crosslinking agent. The process, which is for producing a non-crosslinked polyorganosiloxane latex, is characterized by heating to 60°C or higher an aqueous solution containing 0.1-20 parts by weight of a seed polymer which is hydrophilic and swells in organosiloxanes and 0.5-7.5 parts by weight of an acid catalyst and then continuously adding thereto an emulsion comprising a mixture of an organosiloxane and a bifunctional-siloxane graft crosslinking agent, an emulsifying agent, and water.
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Inventors:
TAKAKI AKIRA (JP)
MICHINOBU TAKAO (JP)
SHIBATA TAKAO (JP)
MICHINOBU TAKAO (JP)
SHIBATA TAKAO (JP)
Application Number:
PCT/JP2005/013981
Publication Date:
February 16, 2006
Filing Date:
July 29, 2005
Export Citation:
Assignee:
KANEKA CORP (JP)
TAKAKI AKIRA (JP)
MICHINOBU TAKAO (JP)
SHIBATA TAKAO (JP)
TAKAKI AKIRA (JP)
MICHINOBU TAKAO (JP)
SHIBATA TAKAO (JP)
International Classes:
C08G83/00; C08F283/12; C08G77/04; C08L51/08; C08L101/00
Domestic Patent References:
WO2005012392A1 | 2005-02-10 |
Foreign References:
JP2003327635A | 2003-11-19 | |||
JP2000103804A | 2000-04-11 | |||
JP2003105160A | 2003-04-09 |
Attorney, Agent or Firm:
KANEKA CORPORATION (Kita-ku Osaka-shi, Osaka, JP)
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