INTERACTION OF DYES USED FOR FOODS WITH FOOD-PACKAGING POLYAMIDES

被引:2
作者
ARVANITOYANNIS, I
TSATSARONI, E
PSOMIADOU, E
BLANSHARD, JMV
机构
[1] ARISTOTELIAN UNIV SALONIKA, DEPT CHEM, ORGAN CHEM TECHNOL LAB, GR-54006 SALONIKA, GREECE
[2] LOUGHBOROUGH UNIV TECHNOL, DEPT CHEM ENGN, LOUGHBOROUGH LE11 3TU, LEICS, ENGLAND
[3] UNIV NOTTINGHAM, DEPT APPL BIOCHEM & FOOD SCI, LOUGHBOROUGH LE12 5RD, LEICS, ENGLAND
关键词
D O I
10.1002/app.1993.070491005
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The effect of pH, temperature, dye concentration, and additives on the adsorption of the dyes FD & C (Food, Drugs & Cosmetics) Blue 1 and Blue 2 upon the polyamides nylon 4-7, 9, and 10-12 was studied and a correlation between these parameters and the dye uptake was found. The adsorption kinetics of the dyes on the polyamides were studied and a mechanism based on the interaction of the acid groups of the dyes and the positively charged groups of the polyamides was suggested. (C) 1993 John Wiley & Sons, Inc.
引用
收藏
页码:1733 / 1749
页数:17
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