Polymer Science News

Synthesis and Characterization of [small alpha]-Diamine Palladium Complexes and Insight into Hybridization Effects of Nitrogen Donor Atoms on Norbornene (Co)polymerizations

RSC - Polym. Chem. latest articles - Fri, 05/04/2018 - 07:37
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00395E, PaperTing Zheng, Heng Liao, Jie Gao, Liu Zhong, Haiyang Gao, Wu Qing
Ligand donor atoms play an important role in catalytic olefin polymerization. The nitrogen atom is easily ligated to the metal center with different hybridizations, which is widely applied in the...
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Synthesis and supramolecular organization of chiral poly(thiophene)-magnetite hybrid nanoparticles

RSC - Polym. Chem. latest articles - Thu, 05/03/2018 - 09:55
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00393A, PaperWard Ceunen, Annelien Van Oosten, Rick Vleugels, Thierry Verbiest, Julien De Winter, Pascal Gerbaux, Zhi Li, Steven De Feyter, Guy Koeckelberghs
In this study, poly((S)-3-(3',7'-dimethyloctyl)thiophene) is synthesized via KCTCP, using a catechol-based external Ni-initiator. After characterization, the polymer's catechol functionality is deprotected and coupled with magnetite nanoparticles and the supramolecular organization...
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Categories: Polymer Science News

Highly Efficient Strategies towards Sustainable Monomers and Polymers Derived from Fatty Acids via Tetramethylguanidine Promoted Esterification

RSC - Polym. Chem. latest articles - Thu, 05/03/2018 - 07:54
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00505B, PaperJiangjun Zhou, Mang Wu, Qiang Peng, Feng Jiang, Baoxia Wang, Haowei Pan, Shengquan Liu, Zhongkai Wang
Three easily performed and efficient strategies for preparing sustainable monomers and polymers derived from renewable fatty acids were investigated. All of these strategies relied on highly efficient esterification between halogenated...
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Categories: Polymer Science News

Hyperbranched poly(ether amine) nanomicelles as nanoreactors for the unexpected ultrafast photolysis of fluorescein dyes

RSC - Polym. Chem. latest articles - Thu, 05/03/2018 - 06:52

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00542G, CommunicationTao Tao, Ruiqing Wang, Hongjie Xu, Jie Yin, Xuesong Jiang
hPEA nanomicelles can encapsulate fluorescein dyes as a nanoreactor, leading to the fast photobleaching of dyes.
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Ultraviolet light, temperature and pH triply responsive fluorescent sensors based on cellulose nanocrystals

RSC - Polym. Chem. latest articles - Thu, 05/03/2018 - 05:51
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00613J, PaperWeizhong Yuan, Chunyao Wang, Shize Lei, Jiangdi Chen, Shaorong Lei, Zhihong Li
Novel CNC-g-P(AzoC6MA-co-DMAEMA) fluorescent nanosensor was synthesized by the reaction of atom transfer radical copolymerization (ATRP) of AzoC6MA and DMAEMA with cellulose nanocrystals CNC modified with 2-bromoisobutyryl groups (CNC-Br) as the...
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Ultrafast and Efficient Aza- and Thiol-Michael Reactions on Polyester Scaffold with Internal Electron Deficient Triple Bonds

RSC - Polym. Chem. latest articles - Wed, 05/02/2018 - 03:02
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00485D, PaperHakan Durmaz, Umit Tunca, Ozgun Daglar, Muge Butun, Ufuk Saim Gunay, Gurkan Hizal
Polyester scaffold possessing electron deficient triple bonds in the main chain was prepared and utilized as a precursor for aza- and thiol-Michael addition reactions. A variety of primary and secondary...
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Design and Synthesis of AIE-active Polymeric H2S-donor with Capacity for Self-tracking

RSC - Polym. Chem. latest articles - Tue, 05/01/2018 - 21:59
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00548F, PaperLvhuan Lin, Herong Qin, Jianbing Huang, Hui Liang, Daping Quan, Jiang Lu
Design and synthesis of a new type of self-fluorescent polymeric H2S-donor was reported for the first time. Reversible addition-fragmentation chain transfer (RAFT) polymerization of 3-formyl-4-hydroxybenzyl methacrylate (FHMA) afforded a structurally...
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Categories: Polymer Science News

Correction: Photothermal Mobius aromatic metallapentalenofuran and its NIR-responsive copolymer

RSC - Polym. Chem. latest articles - Tue, 05/01/2018 - 06:46
Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY90068J, Correction Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Zhengyu Lu, Yuanting Cai, Yuanqing Wei, Qin Lin, Jiangxi Chen, Xumin He, Shunhua Li, Weitai Wu, Haiping Xia
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Hydrogen-transfer and condensation-addition polymerizations of acrylic acid

RSC - Polym. Chem. latest articles - Tue, 05/01/2018 - 04:44
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00271A, PaperTakuya Murase, Shin-ichi Matsuoka, Masato Suzuki
The hydrogen-transfer and condensation-addition polymerizations of acrylic acid (AA) to synthesize aliphatic polyesters have been investigated. We first performed catalyst screening for the hydrogen-transfer polymerization of AA and found that...
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Rational Designed Hyperbranched Azopolymer with Temperature, Photo and pH Responsive Behavior

RSC - Polym. Chem. latest articles - Mon, 04/30/2018 - 11:26
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00472B, PaperLiuying Sun, Fei Gao, Dingfeng Shen, Zhenghui Liu, Yuan Yao, Shaoliang Lin
A new azobenzene containing hyperbranched polymer, HPAzoAMAM-star-EG3, was efficiently synthesized through two-step Michael addition polymerization. The proposed polymer could self-assemble into uniform large compound micelles (LCMs) that featuring temperature, photo...
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Polypeptide gels incorporating the exotic functional aromatic amino acid 4-amino-L-phenylalanine

RSC - Polym. Chem. latest articles - Mon, 04/30/2018 - 10:26
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00427G, PaperTatsuo Kaneko, Mohammad Asif Ali, Ilya Captain, Pesach Perlin, Timothy J Deming
High-molecular-weight polypeptides with functional aromatic side chains, poly(4-amino-L-phenylalanine), 4APhe, were prepared by metal-initiated polymerization of the N[small alpha]-carboxyanhydride of the corresponding amino acid, which is a microbial derivative of phenylalanine. The...
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Categories: Polymer Science News

Frontiers of Macromolecular and Supramolecular Science symposia

RSC - Polym. Chem. latest articles - Mon, 04/30/2018 - 09:25

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY90063A, EditorialMichael L. Klein, Virgil Percec
Michael L. Klein and Virgil Percec introduce this Polymer Chemistry themed collection containing a selection of publications contributed by lecturers from the Frontiers of Macromolecular and Supramolecular Science symposia and friends of Christofor I. Simionescu.
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pH-responsive diblock copolymers with two different fluorescent labels for simultaneous monitoring of micellar self-assembly and degree of protonation

RSC - Polym. Chem. latest articles - Mon, 04/30/2018 - 08:25
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00111A, PaperPeter Jeppe Madsen, George Madden, Efrosyni Themistou, Nicholas J Warren, Steven P Armes
We report the synthesis of a novel amphiphilic pH-responsive diblock copolymer labeled with two different fluorophores. This copolymer comprises a water-soluble poly(glycerol monomethacrylate) [PGMA] block and a pH-responsive poly(2-(diisopropylamino)ethyl methacrylate)...
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Light-Induced Evolution of Microaggregates: Transformation to Vesicles, Cyclic Growth and Collapse and Vesicle Fusion

RSC - Polym. Chem. latest articles - Fri, 04/27/2018 - 12:42
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00546J, CommunicationKaixuan Ren, Juan Perez-Mercader
A kind of microaggregates was synthesized in one-pot via polymerization-induced self-assembly (PISA). By giving a source of energy (visible light) in the absence or presence of fluorescent molecules, these self-assembled...
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Categories: Polymer Science News

Facile preparation of aliphatic main-chain benzoxazine copolymers with high-frequency low dielectric constants

RSC - Polym. Chem. latest articles - Fri, 04/27/2018 - 08:39
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00407B, PaperMing Zeng, Jiangbing Chen, Qingyu Xu, Yiwan Huang, Zijian Feng, Yi Gu
The designed aliphatic main-chain benzoxazine copolymer oligomers are synthesized by the Mannich reaction. It should be noted that increasing the ratio and polarity of polar solvent is an effective strategy...
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Categories: Polymer Science News

Controlled synthesis of ortho, para-alternating linked polyarenes via Catalyst-Transfer Suzuki coupling polymerization

RSC - Polym. Chem. latest articles - Fri, 04/27/2018 - 04:26
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00070K, CommunicationHonghai Zhang, Yu-Xing Zhu, Weiyu Wang, Jiahua Zhu, Peter Bonnesen, Kunlun Hong
A novel class of ortho, para-alternating linked polyarenes is synthesized via catalyst-transfer Suzuki coupling polymerization with Pd2(dba)3/t-Bu3P/p-BrC6H4COPh as initiator. Through a series of kinetic studies and MALDI-TOF analysis, the polymerization...
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Processable poly(benzoxazole imide)s derived from asymmetric benzoxazole diamines containing 4-phenoxy aniline: synthesis, properties and the isomeric effect

RSC - Polym. Chem. latest articles - Wed, 04/25/2018 - 11:56

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00382C, PaperLala Rukh Sidra, Guofei Chen, Nafeesa Mushtaq, Kai Ma, Beenish Bashir, Xingzhong Fang
A novel series of poly(benzoxazole imide)s are synthesized using asymmetric benzoxazole monomers in an attempt to enhance solution and melt processability.
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Anionic polymerization of activated oxetane and its copolymerization with ethylene oxide for the synthesis of amphiphilic block copolymers

RSC - Polym. Chem. latest articles - Wed, 04/25/2018 - 10:55

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00307F, PaperMatthieu Gervais, Antoine Forens, Emmanuel Ibarboure, Stephane Carlotti
The anionic polymerization of oxetane in toluene was achieved using a combination of tetraoctylammonium bromide and simple triisobutylaluminum. By its copolymerization with ethylene oxide, di- and triblock copolymers were prepared in one and two steps respectively.
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Recent advances in alkyne-based click polymerizations

RSC - Polym. Chem. latest articles - Wed, 04/25/2018 - 07:51
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C7PY02047C, MinireviewDie Huang, Yong Liu, Anjun Qin, Ben Zhong Tang
Click chemistry, with remarkable advantages such as high efficiency, atom economy, mild reaction conditions, very high yield, regio- and/or stereoselectivity, and good functionality tolerance, has been nurtured into a powerful...
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Preparation of Biorenewable Poly([gamma]-butyrolactone)-b-poly(L-lactide) Diblock Copolyesters via One-pot Sequential Metal-free Ring-Opening Polymerization

RSC - Polym. Chem. latest articles - Tue, 04/24/2018 - 02:23
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00389K, Paperyong shen, Jinbo Zhang, Na Zhao, Fusheng Liu, Zhibo Li
The preparation of block copolymers containing poly([gamma]-butyrolactone) block remains as a synthetic challenge owing to the unfavorable thermodynamics towards the ring-opening polymerization (ROP) of "non-strain" five-membered ring, which makes it...
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