Synthesis and rheological properties of carboxymethyl cellulose modified polyacrylic acid thickener with high electrolyte resistance

IF 5.8 2区 化学 Q1 POLYMER SCIENCE
Miao Wang , Dan Zhou , A’ni Shen , Yihai Liu , Yijun Yao , Hailiang Wu
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引用次数: 0

Abstract

Herein, a method for preparing highly resistant electrolyte thickeners by introducing supramolecular interactions (multiple hydrogen bonds and electrostatic interactions) and chemical crosslinking during the polymerization of acrylic monomers has been proposed. The hydroxyl group on the carboxymethyl cellulose (CMC) unit provides multiple hydrogen bonds for the thickener structure, the carboxyl group on the polyacrylic acid (PAA) molecular chain provides electrostatic interactions for the thickener structure, and the crosslinking agent MBA forms a chemical network structure in the CMC-PAA molecular chain. The synergistic formation of multiple dynamic crosslinking points through the above effects is beneficial for improving the electrolyte resistance of CMC-PAA thickeners. The shift of the carbonyl characteristic peak on the FTIR spectrum confirms the existence of hydrogen bonding interactions between PAA and CMC. The viscosity retention rates of CMC-PAA thickener in tap water and saltwater electrolytes were 97.01% and 53.22%, respectively, exceeding our previously reported hydrophobic modified polyacrylic acid thickener, confirmed that the introduction of hydrogen bonds inhibits the contraction of molecular chains. The fitting analysis of the rheological properties of the color paste shows that the sisko model has high fitting accuracy of the color paste. In addition, CMC-PAA has excellent thermal stability and water-holding properties, which can ensure the contour clarity of subsequent inkjet printed fabrics. This study provides a new method for improving the electrolyte resistance of polyacrylic acid thickeners.

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来源期刊
European Polymer Journal
European Polymer Journal 化学-高分子科学
CiteScore
9.90
自引率
10.00%
发文量
691
审稿时长
23 days
期刊介绍: European Polymer Journal is dedicated to publishing work on fundamental and applied polymer chemistry and macromolecular materials. The journal covers all aspects of polymer synthesis, including polymerization mechanisms and chemical functional transformations, with a focus on novel polymers and the relationships between molecular structure and polymer properties. In addition, we welcome submissions on bio-based or renewable polymers, stimuli-responsive systems and polymer bio-hybrids. European Polymer Journal also publishes research on the biomedical application of polymers, including drug delivery and regenerative medicine. The main scope is covered but not limited to the following core research areas: Polymer synthesis and functionalization • Novel synthetic routes for polymerization, functional modification, controlled/living polymerization and precision polymers. Stimuli-responsive polymers • Including shape memory and self-healing polymers. Supramolecular polymers and self-assembly • Molecular recognition and higher order polymer structures. Renewable and sustainable polymers • Bio-based, biodegradable and anti-microbial polymers and polymeric bio-nanocomposites. Polymers at interfaces and surfaces • Chemistry and engineering of surfaces with biological relevance, including patterning, antifouling polymers and polymers for membrane applications. Biomedical applications and nanomedicine • Polymers for regenerative medicine, drug delivery molecular release and gene therapy The scope of European Polymer Journal no longer includes Polymer Physics.
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