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  1. No Access

    Article

    Adsorption of Pb(II) ion by pyromellitic dianhydride-modified polyvinylamine under programmed-temperature

    Pyromellitic dianhydride-modified polyvinylamine gel (PAPVAM) as absorbent for Pb(II) ion was prepared. Pyromellitic dianhydride acted as cross-linking agent for polyvinylamine and chelating agent for Pb(II) i...

    Hongguang Dai, Nashuang Qian, **anliang Sheng, Lan Shi in Chemical Papers (2023)

  2. No Access

    Article

    Synthesis of 3,4-dihydropyrimidin-2(1H)-ones catalyzed by poly(ferric 2-acrylamido-2-methylpropanesulfonate)

    Poly(ferric 2-acrylamido-2-methylpropanesulfonate) (PFAMPS) was prepared via the reaction of poly(2-acrylamido-2-methylpropanesulfonic acid) and Fe(OH)3. PFAMPS was used as a heterogeneous catalyst for the Bigine...

    Zhihao Zhao, Hongguang Dai, Lan Shi in Chemical Papers (2021)

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    Article

    Preparation and Properties of Thermoplastic Starch/Montmorillonite Nanocomposite Using N-(2-Hydroxyethyl)formamide as a New Additive

    N-(2-Hydroxyethyl)formamide (HF) was synthesized efficiently and used as a new additive to prepare thermoplastic starch/montmorillonite nanocomposite (TPS/MMT). Here, HF acted as both pla...

    Hongguang Dai, Peter R. Chang, Fengying Geng… in Journal of Polymers and the Environment (2009)

  4. No Access

    Article

    N-(2-Hydroxyethyl)formamide as a new plasticizer for thermoplastic starch

    N-(2-Hydroxyethyl)formamide (HF) was synthesized efficiently and used as a new plasticizer for corn starch to prepare thermoplastic starch (TPS). The hydrogen bond interaction between HF ...

    Hongguang Dai, Peter R. Chang, Fei Peng, Jiugao Yu… in Journal of Polymer Research (2009)