Monoacylglycerol and fatty acid monolayers at the air-water interface

被引：0

作者：

Szelag, Halina ^{[1
]}

Szyszko, Agnieszka ^{[1
]}

机构：

[1] Politechn Gdansk, Katedra Technol Tluszczow & Detergentow, Wydzial Chem, PL-80952 Gdansk, Poland

来源：

PRZEMYSL CHEMICZNY | 2006年 / 85卷 / 8-9期

关键词：

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The effect of monolauroylglycerol (MAG) and (9:1, 7:3 or 1:1) MAG-lauric acid mixts. on Langmuir monolayers stabilized for 15 min at the air-water interface was examd. at 25, 35, and 45 degrees C, and compressed with barriers moved at 15 mm/min. Surface pressure vs. area isotherms were detd. to evaluate the mol. area, collapse pressure, and elasticity modulus (E) in relation to temp. and MAG-lauric acid mole ratio. The area accessible to each mol. and the collapse pressure fell as temp. was raised. For MAG and its mixts. over 25-45 degrees C, Delta Pi(coll) were resp. 19 and 5 mN/m, regardless of the mole ratio. At Delta T=20 degrees C, Delta E was 12 and 3 mN/m for MAG and for the (1:1) mixt., resp.

引用

页码：1356 / 1358

页数：3

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