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Journal of Polymer Research

Erschienen in:

01.05.2021 | ORIGINAL PAPER

Synthesis and characterization of an isocyanate-terminated hyperbranched polymer and its waterborne study

verfasst von: Jie Zhang, Hui-Ting Tian, Yu-Ting Zhang, Chun-Pu Hu, Zhi-Ping Zhang

Erschienen in: Journal of Polymer Research | Ausgabe 5/2021

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Abstract

An isocyanate-terminated hyperbranched polymer (HBI) was successfully synthesized by reacting hyperbranched polyester (Boltorn^TM HB-20) with isophorone diisocyanate (IPDI). Gel permeation chromatography (GPC) was used to monitor the molecular weight and its distribution changes during the synthesis. The structure and composition of IPDI were characterized by ¹H and ¹³C nuclear magnetic resonance (NMR) spectroscopy. The structure of HBI was confirmed by one-dimensional ¹H, ¹³C NMR, and distortionless enhancement by polarization transfer (DEPT) NMR spectroscopy as well as two-dimensional heteronuclear multiple bond coherence (2D-HMBC) and heteronuclear single quantum coherence (HSQC) NMR spectroscopy. Furthermore, HBI was reacted with methoxypolyethylene glycols (MPEG) to obtain a water-dispersible polyisocyanate with hyperbranched structure.

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Vorheriger Artikel Development, thermal and dielectric investigations of PVDF-Y2O3 polymer nanocomposite films

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Titel: Synthesis and characterization of an isocyanate-terminated hyperbranched polymer and its waterborne study
verfasst von: Jie Zhang
Hui-Ting Tian
Yu-Ting Zhang
Chun-Pu Hu
Zhi-Ping Zhang
Publikationsdatum: 01.05.2021
Verlag: Springer Netherlands
Erschienen in: Journal of Polymer Research / Ausgabe 5/2021
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI: https://doi.org/10.1007/s10965-021-02499-w

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