Lion Corporation

Hiroyuki Masui

Naoki Nakamura

Yutaka Abe

Kensuke Itakura

Masahiko Matsubara

Daisuke Negishi

Nobukazu Shogase

Toru Yoshii

Hiroshi Gotou

Takao Matsuo

A solid fatty acid alkyl ester sulfonate metal salt is disclosed having an endothermic peak area between 50&#xb0; C. and 130&#xb0; C. of 50% or more relative to the whole endothermic peak area between 0&#xb0; C. and 130&#xb0; C. when determined using a differential scanning calorimter. A method for producing a fatty acid alkyl ester sulfonate metal salt powder is also disclosed, including a step of pulverizing the solid fatty acid alkyl ester sulfonate metal salt in a pulverizer, with the internal temperature of the pulverizer being adjusted to 30&#xb0; C. to 50&#xb0; C.

Solid fatty alkyl ester sulfonate metal salt and method for producing powder thereof with sharp particle size distribution

The present invention relates to a method for producing an aqueous &#x3b1;-SF salt solution that maintains fluidity and has superior production adaptability. The method includes dissolving a solid component (a) in the form of an &#x3b1;-sulfo fatty acid alkyl ester salt and a component (b) in the form of an inorganic sodium salt and/or inorganic potassium salt in water, wherein component (a) is dissolved in water at a temperature of 50&#xb0; C. or higher while maintaining the following condition (i) or (ii):

Method for producing aqueous &#x3b1;-sulfo fatty acid alkyl ester salt solution

Growing community of inventors

Tokyo, Japan

Hiroyuki Masui