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Published in: Cellulose 11/2022

17-06-2022 | Original Research

Janus particles stabilized alkenyl succinic anhydride emulsion as internal sizing agent

Authors: Hongzhen Wang, Jujie Sun, Yongxian Zhao, Zhongqin Zhang, Shijie Cheng

Published in: Cellulose | Issue 11/2022

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Abstract

Alkenyl succinic anhydride (ASA) is widely used in papermaking industry as an internal sizing agent. In situ emulsification of ASA using cationic starch is conventionally practiced because of the low shelf life of ASA emulsion. We synthesized Janus particles by surfactant-free seeded polymerization to stabilize ASA emulsion. The morphology evolution and anisotropic compositions of Janus particles were confirmed by transmission electron microscopy. The Janus particles showed a strong tendency to adsorb at the ASA–water interface and enhanced the stability of ASA emulsion. The droplet size of ASA emulsion decreased and emulsion phase volume increased with the concentration of Janus particles increased. In comparison with cationic starch, Janus particles exhibited superior emulsification performance in ASA emulsion. The ASA emulsion stabilized by Janus particles was used as an internal sizing agent for cellulose paper. The results of sizing degree and Cobb30 showed that the sizing performance of ASA emulsion stabilized by Janus particles was significantly improved. Our study provides a better choice of preparing ASA emulsion for paper sizing and promotes the application of Janus materials in paper industry.

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Literature
go back to reference Du Y-Z, Tomohiro T, Kodaka M (2004) Synthesis of hemispherical poly(2-hydroxylethyl methacrylate-co-methyl methacrylate)/poly(styrene-co-glycidyl methacrylate) composite particles with heterobifunctional groups by soap-free seeded emulsion polymerization. Macromolecules 37:803–812. https://doi.org/10.1021/ma030424oCrossRef Du Y-Z, Tomohiro T, Kodaka M (2004) Synthesis of hemispherical poly(2-hydroxylethyl methacrylate-co-methyl methacrylate)/poly(styrene-co-glycidyl methacrylate) composite particles with heterobifunctional groups by soap-free seeded emulsion polymerization. Macromolecules 37:803–812. https://​doi.​org/​10.​1021/​ma030424oCrossRef
go back to reference Zhang W, Liu W, Li H, Hubbe MA, Yu D, Li G, Wang H (2014) Improving stability and sizing performance of alkenyl succinic anhydride (ASA) emulsion by using melamine-modified laponite particles as emulsion stabilizer. Ind Eng Chem Res 53:12330–12338. https://doi.org/10.1021/ie501381aCrossRef Zhang W, Liu W, Li H, Hubbe MA, Yu D, Li G, Wang H (2014) Improving stability and sizing performance of alkenyl succinic anhydride (ASA) emulsion by using melamine-modified laponite particles as emulsion stabilizer. Ind Eng Chem Res 53:12330–12338. https://​doi.​org/​10.​1021/​ie501381aCrossRef
Metadata
Title
Janus particles stabilized alkenyl succinic anhydride emulsion as internal sizing agent
Authors
Hongzhen Wang
Jujie Sun
Yongxian Zhao
Zhongqin Zhang
Shijie Cheng
Publication date
17-06-2022
Publisher
Springer Netherlands
Published in
Cellulose / Issue 11/2022
Print ISSN: 0969-0239
Electronic ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-022-04677-5

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