Fabrication and Application of Cationic Polyacrylamide

Geng Su; Ya-Jie Jiang; Hong-Bin Ju; Ya-Kui Wang; Shui-Xin Yu; Ye-Yuan Luo; Tao Geng

doi:10.3139/113.110669

Article

Fabrication and Application of Cationic Polyacrylamide

Geng Su , Ya-Jie Jiang , Hong-Bin Ju , Ya-Kui Wang , Shui-Xin Yu , Ye-Yuan Luo and Tao Geng

Published/Copyright: March 9, 2020

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From the journal Tenside Surfactants Detergents Volume 57 Issue 2

Abstract

Cationic polyacrylamide (CPAM) was prepared in aqueous solution by free radical polymerization of methacryloyloxy ethyl trimethylammonium chloride (DMC) and acrylamide (AM). A redox initiator system was used. The structure of CPAM was characterized by IR and ¹H NMR. The intrinsic viscosity and cationicity of CPAM were measured by an Ubbelohde viscometer and titration experiments, respectively. It was found that at the same concentration, the intrinsic viscosity decreases as the cationicity increases. The antistatic properties of CPAM on polyester fabric, the combability of hair, the flocculation on diatomaceous earth in a simulated sewage system and the thickening effect in solution were investigated. The results show that the higher the concentration, cationicity and intrinsic viscosity of CPAM, the better the thickening effect and the better the combability, the antistatic and flocculation properties. Therefore, the production of CPAM with high intrinsic viscosity and cationicity is important for an enhanced application performance.

Kurzfassung

Kationisches Polyacrylamid (CPAM) wurde durch radikalische Polymerisation von Methacryloyloxyethyltrimethylammoniumchlorid (DMC) und Acrylamid (AM) in wässriger Lösung hergestellt. Es wurde ein Redoxinitiatorsystem verwendet. Die Struktur von CPAM wurde durch IR-Spektroskopie und ¹H-NMR ermittelt. Die Grenzviskosität und Kationizität von CPAM wurden mittels eines Ubbelohde-Viskosimeters bzw. mit Hilfe von Titrationsexperimenten gemessen. Es wurde gefunden, dass bei gleicher Konzentration die Grenzviskosität abnimmt, wenn die Kationizität zunimmt. Die antistatischen Eigenschaften von CPAM auf Polyestergewebe, die Kämmbarkeit von Haaren, die Flockung auf Kieselgur in einem simulierten Abwassersystem und die Verdickungswirkung in Lösung wurden untersucht. Die Ergebnisse zeigen, dass die Verdickungswirkung umso besser ist, je höher die Konzentration, die Kationizität und die Grenzviskosität von CPAM ist und je besser die Antistatik-, Kämm- und Flockungseigenschaften sind. Daher ist die Herstellung von CPAM mit hoher Grenzviskosität und Kationizität für eine verbesserte Anwendungsleistung wichtig.

Key words: Cationic polyacrylamide; intrinsic viscosity; cationicity; application performance

Stichwörter: Kationisches Polyacrylamid; Grenzviskosität; Kationizität; Anwendungsleistung

∗ Correspondence address, Prof Tao Geng, China Research Institute of Daily Chemical Industry, Taiyuan, Shanxi Province 030001, China, E-Mail: ridcigt@163.com

Geng Su is working for a master's degree at the China Research Institute of Daily Chemical Industry. His research field centers on the synthesis and application of poly quaternary ammonium salts.

Ya-jie Jiang is an engineer at the China Research Institute of Daily Chemical Industry. Her research interest is in the synthesis and investigation of novel quaternary ammonium salts.

Hong-bin Ju is an engineer at the China Research Institute of Daily Chemical Industry. His research interest is in the synthesis of quaternary ammonium hydroxide.

Ya-kui Wang is an engineer at the China Research Institute of Daily Chemical Industry. His research interest is in the synthesis and investigation of quaternary ammonium salts with new counterions.

Shui-Xin Yu is an engineer at Shanghai ICAN Chemical S&T Co., Ltd. His research interest is in the synthesis and investigation of quaternary ammonium salts.

Ye-Yuan Luo is an engineer at Shanghai ICAN Chemical S&T Co., Ltd. Her research interest is in the application of cationic surfactants.

Tao Geng is a professor at the China Research Institute of Daily Chemical Industry. His research interests are in the synthesis and investigation of cationic surfactants.

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Received: 2019-09-02

Accepted: 2019-12-01

Published Online: 2020-03-09

Published in Print: 2020-03-16

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https://doi.org/10.3139/113.110669

Keywords for this article

Cationic polyacrylamide; intrinsic viscosity; cationicity; application performance