JPS5681301A - Oligostarch ester/ethylene oxide adduct and surfactant comprising the same - Google Patents
Oligostarch ester/ethylene oxide adduct and surfactant comprising the sameInfo
- Publication number
- JPS5681301A JPS5681301A JP15837079A JP15837079A JPS5681301A JP S5681301 A JPS5681301 A JP S5681301A JP 15837079 A JP15837079 A JP 15837079A JP 15837079 A JP15837079 A JP 15837079A JP S5681301 A JPS5681301 A JP S5681301A
- Authority
- JP
- Japan
- Prior art keywords
- power
- hydroxyl groups
- oligostarch
- ethylene oxide
- free hydroxyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Detergent Compositions (AREA)
Abstract
PURPOSE: To improve the solubilizng power, emulsifying power, dispersing power, etc., of titled adduct, by esterifying a portion of the free hydroxyl groups of glucose units with acyl groups containing an aliphatic hydrocarbon chain, and adding ethylene oxide to a different portion of the free hydroxyl groups.
CONSTITUTION: An oligostarch, polymerization degree of glucose units 2W40, on average, is employed as a starting material. A portion (0.01W0.5, on average, per 3 free hydroxyl groups in the glucose units) of the hydroxyl groups in this starting material are esterified with acyl groups having a C5WC19 aliphatic hydrocarbon chain, and at the same time, 0.3W2.0mol glucose unit, of ethylene oxide is added to the remaining free hydroxyl groups. The oligostarch ester/ethyelen oxide adduct thus perpared has excellent solubilizing power, emulsifying power, dispersing power and rust-inhibiting power, and is acid-resistant, alkali-resistant and less toxic.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15837079A JPS584043B2 (en) | 1979-12-05 | 1979-12-05 | Oligostarch ester ethylene oxide adduct and surfactant consisting of it |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15837079A JPS584043B2 (en) | 1979-12-05 | 1979-12-05 | Oligostarch ester ethylene oxide adduct and surfactant consisting of it |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5681301A true JPS5681301A (en) | 1981-07-03 |
JPS584043B2 JPS584043B2 (en) | 1983-01-24 |
Family
ID=15670204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15837079A Expired JPS584043B2 (en) | 1979-12-05 | 1979-12-05 | Oligostarch ester ethylene oxide adduct and surfactant consisting of it |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS584043B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5840883A (en) * | 1995-04-05 | 1998-11-24 | Chiba Flour Milling Co., Ltd. | Dextrin ester of fatty acids and use thereof |
WO2000031144A1 (en) * | 1998-11-25 | 2000-06-02 | Japan Corn Starch Co., Ltd. | Starch ester |
-
1979
- 1979-12-05 JP JP15837079A patent/JPS584043B2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5840883A (en) * | 1995-04-05 | 1998-11-24 | Chiba Flour Milling Co., Ltd. | Dextrin ester of fatty acids and use thereof |
WO2000031144A1 (en) * | 1998-11-25 | 2000-06-02 | Japan Corn Starch Co., Ltd. | Starch ester |
US6495679B1 (en) | 1998-11-25 | 2002-12-17 | Japan Corn Starch Co., Ltd. | Starch ester |
Also Published As
Publication number | Publication date |
---|---|
JPS584043B2 (en) | 1983-01-24 |
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