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通过与不同聚电解质反应制备阳离子棉。

Preparation of cationic cotton through reaction with different polyelectrolytes.

作者信息

Correia Jeferson, Oliveira Fernando Ribeiro, de Cássia Siqueira Curto Valle Rita, Valle José Alexandre Borges

机构信息

Postgraduate Program in Chemical Engineering and Food Engineering, Federal University at Santa Catarina, Florianópolis, Santa Catarina Brazil.

Department of Textile Engineering, Federal University at Santa Catarina, Blumenau, Santa Catarina Brazil.

出版信息

Cellulose (Lond). 2021;28(18):11679-11700. doi: 10.1007/s10570-021-04260-4. Epub 2021 Oct 26.

DOI:10.1007/s10570-021-04260-4
PMID:34720463
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8546389/
Abstract

UNLABELLED

Cationization of cotton fabrics was performed by exhaustion procedure utilizing four different reagents provided with quaternary ammonium groups: poly diallyldimethylammonium chloride (PDDACl), poly acrylamide-co-diallyldimethylammonium chloride (PAcD), poly[bis(2-chloroethyl) ether-alt-1,3-bis[3-(dimethylamino)propyl]urea] quaternized (P42) and 3-chloro-2-hydroxypropyl trimethyl ammonium chloride (CHPTAC). Pretreated samples were dyed using Reactive Red 195 dye. The cationic fabrics were analyzed by colorimetric and fastness properties, zeta potential, SEM, FTIR and an estimate of the bactericidal effect. Cationic cotton treated with PDDACl and CHPTAC showed a higher affinity for the reactive dye, with color strength (K/S) values varying from 41 to 48, against 32 for conventional dyeing. P42 presented competitive results with K/S of 27-28. The cationic dyeing considerably reduced the amount of effluent, especially for the CHPTAC samples, which requires a single washing bath for complete removal of unfixed dye. The PDDACl and P42 samples presented bactericidal activity.

SUPPLEMENTARY INFORMATION

The online version contains supplementary material available at 10.1007/s10570-021-04260-4.

摘要

未标记

采用四种带有季铵基团的不同试剂，通过竭染法对棉织物进行阳离子化处理：聚二烯丙基二甲基氯化铵（PDDACl）、聚丙烯酰胺 - 共 - 二烯丙基二甲基氯化铵（PAcD）、季铵化的聚[双（2 - 氯乙基）醚 - 交替 - 1,3 - 双[3 - （二甲氨基）丙基]脲]（P42）和3 - 氯 - 2 - 羟丙基三甲基氯化铵（CHPTAC）。用活性红195染料对预处理后的样品进行染色。通过比色法和色牢度性能、zeta电位、扫描电子显微镜（SEM）、傅里叶变换红外光谱（FTIR）以及杀菌效果评估对阳离子织物进行分析。用PDDACl和CHPTAC处理的阳离子棉对活性染料表现出更高的亲和力，色强度（K/S）值在41至48之间变化，而传统染色的K/S值为32。P42的结果与之相当，K/S为27 - 28。阳离子染色显著减少了废水排放，特别是对于CHPTAC样品，只需一次水洗浴就能完全去除未固着的染料。PDDACl和P42样品具有杀菌活性。

补充信息

在线版本包含可在10.1007/s10570 - 021 - 04260 - 4获取的补充材料。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f62e/8546389/c0839bb92cfe/10570_2021_4260_Fig8_HTML.jpg
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