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Open AccessArticle

Induced Aggregation of Epoxy Polysiloxane Grafted Gelatin by Organic Solvent and Green Application

1
Shandong Provincial Key Laboratory of Molecular Engineering, School of Chemistry and Pharmaceutical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
2
Shandong Institute for Food and Drug Control, Jinan 250101, China
*
Author to whom correspondence should be addressed.
Academic Editor: Silvia Panzavolta
Molecules 2019, 24(12), 2264; https://doi.org/10.3390/molecules24122264
Received: 15 May 2019 / Revised: 17 June 2019 / Accepted: 17 June 2019 / Published: 18 June 2019
(This article belongs to the Special Issue Gelatin: Chemistry, Characterization, Application)
In this paper, we studied the aggregation of amphiphilic polymer epoxy-terminated polydimethylsiloxane (PDMS-E) grafted gelatin (PGG) in water induced by methanol, ethanol, 2-propanol, acetone, tetrahydrofuran (THF), and 1,4-dioxane. The aggregation pattern of the polymer was monitored by infrared spectroscopy, X-ray diffraction, transmission electron microscopy, and scanning electron microscopy. It was revealed that the aggregate morphology showed clear dependence on the solvent polarity. The PGG aggregates had regular spherical morphology in polar solvents, including water, methanol, ethanol, 2-propanol, and acetone. The coating performance was evaluated by X-ray photoelectron spectroscopy and friction experiment, and PGG and acetone coating exhibited excellent coating performance on the surface of pigskin. Gel was formed in acetone and tetrahydrofuran (THF) with the slow evaporation of solvent, and this property can possibly be applied to industrial sewage treatment. White precipitate and soft film were formed in non-polar 1,4-dioxane. View Full-Text
Keywords: amphiphilic polymers; organic solvent; aggregation; coating; sewage treatment amphiphilic polymers; organic solvent; aggregation; coating; sewage treatment
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MDPI and ACS Style

Zhang, Z.; Zhang, D.; Ma, H.; Xu, J.; Li, T.; Cai, Z.; Chen, H.; Zhang, J.; Dong, H. Induced Aggregation of Epoxy Polysiloxane Grafted Gelatin by Organic Solvent and Green Application. Molecules 2019, 24, 2264.

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Molecules, EISSN 1420-3049, Published by MDPI AG
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