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Title:
α-スルホ脂肪酸アルキルエステル塩を高濃度含有するパウダー、フレーク又はペレットの製造方法、並びに粒状洗剤の製造方法
Document Type and Number:
Japanese Patent JP4761045
Kind Code:
B2
Abstract:
A process for producing powder, flakes, or pellets containing ±-sulfo fatty acid alkylester salt in high concentrations, the process including: (1) a step of preparing a paste containing ±-sulfo fatty acid alkylester salt by a series of reactions of sulfonating a fatty acid alkylester with a sulfonating gas by contact with each other, esterifying the sulfonated product with a lower alcohol, neutralizing the esterified product, and bleaching the neutralized product, to give a paste containing ±-sulfo fatty acid alkylester salt; (2) a step of aging the thus obtained paste; (3) a step of making the aged paste into flakes or pellets containing equal to or less than 10 wt% of water, or a step of making the aged paste into flakes or pellets containing equal to or less than 10 wt% of water and then crushing the resulting flakes or pellets into a powder having an average particle diameter of 100-1500 µm; and (4) a step of aging the powder, flakes, or pellets.

Inventors:
Kensuke Itakura
Morita Akito
Masahiko Matsubara
Madoka Suwa
Taku Nishio
Application Number:
JP2005507002A
Publication Date:
August 31, 2011
Filing Date:
June 11, 2004
Export Citation:
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Assignee:
LION Corporation
International Classes:
C11D11/00; C11D1/28; C11D11/04; C11D17/06
Domestic Patent References:
JPH08157894A1996-06-18
JPH0987700A1997-03-31
JPH1088197A1998-04-07
JPH11172299A1999-06-29
JP2001064248A2001-03-13
Attorney, Agent or Firm:
Takashi Kojima
Saori Shigematsu
Katsunari Kobayashi
Takeshi Ishikawa