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377 Aktuelle Fachpublikationen zum Thema temperature

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Facile fabrication of fast recyclable and multiple self‐healing epoxy materials through diels‐alder adduct cross‐linker

11.04.2015 | Xiao Kuang, Guoming Liu, Xia Dong, Xianggui Liu, Jianjun Xu, Dujin Wang, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT A reversibly cross‐linked epoxy resin with efficient reprocessing and intrinsic self‐healing was prepared from a diamine Diels‐Alder (DA) adduct cross‐linker and a commercial epoxy oligomer. The newly synthesized diamine cross‐linker, comprising a DA adduct of furan and maleimide ...

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Synthesis and characterization of novel fluorosilicone rubber using imide modified vinyl‐containing fluorosilicone resin as cross‐linker

28.03.2015 | Tao Xu, He Liu, Jie Song, Shibin Shang, Zhanqian Song, Kaifei Zou, Chong Yang, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT A novel imide modified vinyl‐containing fluorosilicone resin (MP‐VFS) was firstly prepared from maleopimaric acid (MPA), and characterized by 1H NMR and 13C NMR. Containing MPA based imide heterocycle (MPABI), MP‐VFS was further used as a novel cross‐linker to prepare MPA modified ...

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Novel panchromatic photopolymerizable matrices: N,N'‐dibutylquinacridone as an efficient and versatile photoinitiator

25.03.2015 | Jing Zhang, Frédéric Dumur, Mariem Bouzrati, Pu Xiao, Céline Dietlin, Fabrice Morlet‐Savary, Bernadette Graff, Didie ..., Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT N,N'‐dibutylquinacridone (DBQA) is utilized here for the first time as a high‐performance panchromatic photoinitiator for the cationic polymerization (CP) of epoxides, the free radical polymerization (FRP) of acrylates, the thiol‐ene polymerization and the synthesis of interpenetrated ...

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Facile synthesis of polyester dendrimer via combining thio‐bromo “Click” chemistry and ATNRC

25.03.2015 | Xiaoshan Fan, Zhiguo Hu, Guowei Wang, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT This article reports on developing an efficient synthesis approach to aliphatic polyester dendrimer, poly(thioglycerol‐2‐propionate) (PTP), by combination of thio‐bromo “Click” chemistry with atom transfer nitroxide radical coupling (ATNRC). Through the one‐pot two‐step method, linear ...

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Facile preparation of highly conductive, flexible, and strong carbon nanotube/polyaniline composite films

18.03.2015 | Hong‐Mei Xiao, Wei‐Dong Zhang, Na Li, Gui‐Wen Huang, Yu Liu, Shao‐Yun Fu, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT In general, the high electrical conductivity (EC) comes into conflict with the good flexibility and high strength of carbon nanotube (CNT)/polyaniline (PANI) composites. In other words, a high CNT content will bring about a high EC but lead to a low flexibility and strength due to the ...

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Thermoresponsive PNIPAM/silica nanoparticles by direct photopolymerization in aqueous media

06.03.2015 | Hua Zou, Helmut Schlaad, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT This article presents a simple and facile method to fabricate thermoresponsive polymer‐grafted silica particles by direct surface‐initiated photopolymerization of N‐isopropylacrylamide (NIPAM). This method is based on silica particles bearing thiol functionalities, which are ...

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Optimizing the electrochemical performance of imidazolium‐based polymeric ionic liquids by varying tethering groups

04.03.2015 | Zhe Jia, Wen Yuan, Chunjuan Sheng, Hui Zhao, Heyi Hu, Gregory L. Baker, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT We report the synthesis and characterization of a series of novel imidazolium cation and bis(trifluoromethane)sulfonimide anion (TFSI−)‐based ionic liquid (IL) model compounds and their corresponding polymeric ionic liquids (PILs) with various tethering groups. Ethylene oxide ...

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Recyclable carbon fiber‐reinforced plastics (CFRP) containing degradable acetal linkages: Synthesis, properties, and chemical recycling

03.03.2015 | Ayaka Yamaguchi, Tamotsu Hashimoto, Yoshinori Kakichi, Michio Urushisaki, Toshikazu Sakaguchi, Kazumasa Kawabe, Keii ..., Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT Two epoxy resins containing degradable acetal linkages were synthesized by the reaction of cresol novolak‐type phenolic resin (CN) with vinyl ethers containing a glycidyl group [cyclohexane dimethanol vinyl glycidyl ether (CHDMVG) and 4‐vinyloxybutyl glycidyl ether (VBGE). Carbon ...

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Investigation of Suzuki–Miyaura catalyst‐transfer polycondensation of AB‐type fluorene monomer using coordination‐saturated aryl Pd(II) halide complexes as initiators

27.02.2015 | Zilong Zhang, Pan Hu, Xiao Li, Hongmei Zhan, Yanxiang Cheng, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT Novel triarylamine‐based coordination‐saturated aryl Pd(II) halide complexes ligated by PEt3, PCy3, and P(o‐tol)3 were successfully synthesized by direct oxidative addition of aryl halide to the corresponding Pd(0) precursors. Suzuki–Miyaura coupling polymerization of ...

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Synthesis of polyisocyanurates by thermal rearrangement of polycyanurates

23.12.2014 | Kousuke Tsuchiya, Eisuke Goto, Yoshihito Ishida, Tomoya Higashihara, Atsushi Kameyama, Mitsuru Ueda, Journal of Polymer Science Part A: Polymer Chemistry, 2014

ABSTRACT Polyisocyanurates have been successfully prepared by the thermal rearrangement of polycyanurates, which were obtained from 2,4‐dichloro‐6‐methoxy‐1,3,5‐triazine and bisphenol monomers. The thermal rearrangement was carried out in the presence of a small amount of tetrabutylammonium ...

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