Journal of Polymer Science Part A: Polymer Chemistry

Cover image for Vol. 56 Issue 6

Impact Factor: 3.113

ISI Journal Citation Reports © Ranking: 2014: 18/82 (Polymer Science)

Online ISSN: 1099-0518

Associated Title(s): Journal of Polymer Science Part B: Polymer Physics

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  1. A novel synthetic strategy for preparing semi-aromatic components modified polyamide 6 polymer

    Shumin Peng, Lu Peng, Chunwang Yi, Wei Zhang and Xi Wang

    Version of Record online: 16 FEB 2018 | DOI: 10.1002/pola.28983

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    Purified terephthalic acid and hexamethylene diamine were dissolved in the main reactant caprolactam according to the stoichiometric ratio. Through ring-opening, poly-addition, and poly-condensation reactions at high temperature, polyamide-6 is modified with transparent semi-aromatic components, endowing it with a higher decomposition temperature and good mechanical properties. Using this time-reducing green synthetic path, the yield of caprolactam was also significantly increased compared with the conversional hydrolytic polymerization process.

  2. Soluble polybenzimidazoles with intrinsic porosity: Synthesis, structure, properties and processability

    Vikas Kumar, Shyambo Chatterjee, Pragati Sharma, Suman Chakrabarty, Chilukuri V. Avadhani and Swaminathan Sivaram

    Version of Record online: 16 FEB 2018 | DOI: 10.1002/pola.28979

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    Soluble porous polybenzimidazoles (PBIs) based on rigid and contorted monomers, namely, 4,16-dicarboxyl[2.2]paracyclophane and 5,5′,6,6′-tetraamino-3,3,3′,3′-tetramethyl-1,1′-spirobi [indane] were synthesized. Comonomer (10 mol %) insertion resulted in soluble PBIs. Amorphous PBIs exhibited high glass transition temperatures and thermal stability. HR-TEM and BET provide evidence of porosity. The basic nature of imidazole promoted carbon dioxide absorption. Molecular dynamic simulations indicate that cyclophane and spirobisindane monomers result in structures with large intramolecular voids. This method provides a “bottoms-up” approach for the synthesis of soluble mesoporous PBIs.

  3. Poly(α-methyleneglutarimide)s from radical polymerization of α-methyleneglutarimides

    Yuanxian Wang, Shu Xu and Thomas R. Hoye

    Version of Record online: 16 FEB 2018 | DOI: 10.1002/pola.28977

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    α-Methyleneglutarimides (green) have been made for the first time from α-methyleneglutarate, a potentially bioresourcable monomer. They can be polymerized to poly(α-methyleneglutarimides) (blue). In turn, these homopolymers can be chemically recycled by thermal depolymerization.

  4. Supramolecular elastomers: Switchable mechanical properties and tuning photohealing with changes in supramolecular interactions

    Anton O. Razgoniaev, Kirill I. Mikhailov, Filipp A. Obrezkov, Evgeniia V. Butaeva and Alexis D. Ostrowski

    Version of Record online: 15 FEB 2018 | DOI: 10.1002/pola.28972

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    This work presents temperature modulated mechanical properties of supramolecular thermoplastic polymers as well as comparison studies on the photo self-healing effect when the chromophore is covalently attached to the supramolecular structure versus physically blended into the polymer matrix.

  5. Mild incorporation of CO2 into epoxides: Application to nonisocyanate synthesis of poly(hydroxyurethane) containing triazole segment by polyaddition of novel bifunctional five-membered cyclic carbonate and diamines

    Naoto Aoyagi, Yoshio Furusho and Takeshi Endo

    Version of Record online: 15 FEB 2018 | DOI: 10.1002/pola.28967

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    The new triazole-linked bifunctional five-membered cyclic carbonate was synthesized via the reaction of epoxides with CO2 and the click reaction of the azide- and the alkyne-substituted five-membered cyclic carbonates under ambient temperature. The obtained bis(cyclic carbonate) was converted with diamines to the hydrophobic and the hydrophilic poly(hydroxyurethane)s containing triazole segment without catalyst. The thermal degradation behaviors of poly(hydroxyurethane)s were almost identical. The values of glass transition temperature of poly(hydroxyurethane)s were observed at around room temperature.