Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Process for producing polyester resin for toner
A polyester resin for toner which is obtained through polymerization in the presence of a release agent ingredient with a melting point of 60–100° C. or a release agent ingredient comprising an alcohol component, and which has a softening temperature of 100–160° C., an acid value of 0.1–30 mgKOH/g and a glass transition temperature of 40–70° C.; a process for producing a polyester resin for toner which comprises conducting polymerization in the presence of a release agent ingredient with a melting point of 60–100° C. or a release agent ingredient comprising an alcohol component; and toner comprising the polyester resin. Toners with excellent non-offset properties and glosses are obtained.
Mitsubishi Rayon Co., Ltd.
C G C C
C08L G03G C08G C08G
inventional inventional additional inventional
Hirokazu Masaru Kouji Hitoshi
Ito Sugiura Shimizu Iwasaki