PREPARATION AND SURFACE-ACTIVE PROPERTIES OF NEW AMPHIPATHIC COMPOUNDS WITH 2 PHOSPHATE GROUPS AND 2 LONG-CHAIN ALKYL-GROUPS

被引：57

作者：

ZHU, YP ^{[1
]}

MASUYAMA, A ^{[1
]}

OKAHARA, M ^{[1
]}

机构：

[1] OSAKA UNIV,FAC ENGN,DEPT APPL CHEM,YAMADAOKA 2-1,SUITA,OSAKA 565,JAPAN

来源：

JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY | 1991年 / 68卷 / 04期

关键词：

BIS(MONOALKYL PHOSPHATE) COMPOUNDS; DIEPOXY COMPOUNDS; DI-OR TETRASODIUM 1; OMEGA-BIS(ALKYLOXYMETHYL)-1; OMEGA-DIPHOSPHATES; LOW FOAMING PROPERTIES; OLIGO (ETHYLENE GLYCOL) DIGLYCIDYL ETHERS; SURFACTANTS WITH 2 LIPOPHILIC ALKYL CHAINS AND 2 IONIC HEAD GROUPS;

D O I：

10.1007/BF02657622

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

New compounds bearing two dihydrogen phosphate groups and two long-chain alkyl groups (octyl or decyl) were prepared in good yields by the reaction of 1,-omega-bis(alkyloxymethyl)-oligo(ethylene glycol)s with polyphosphoric acid. Amphipathic di- or tetrasodium phosphates were obtained by neutralization of the free acids with sodium hydroxide, and their surface-active properties in water were measured. Almost all these di- or tetrasodium phosphates showed good water solubility. Their abilities to form micelles and to lower surface tension were fairly good as compared with general monoalkyl phosphates consisting of one longer alkyl chain and one hydrophilic group. The foaming property of aqueous solutions of the tetrasodium salts was different from that of the disodium salts. The former showed very low foaming ability.

引用

页码：268 / 271

页数：4

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