Polymer Science News

An Efficient Lactone-to-Lactam Conversion for the Synthesis of Thiophene Pechmann Lactam and Characterization of Polymers Thereof

RSC - Polym. Chem. latest articles - Mon, 09/17/2018 - 08:50
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00997J, PaperKyu Cheol Lee, Hae Rang Lee, So‐Huei Kang, Jungho Lee, Young Il Park, Seung Man Noh, Joon Hak Oh, Changduk Yang
Despite having unique structural features, e.g., high co-planarity and a strong polar bicyclic lactam structure, thiophene bipyrrolylidene-2,2′(1H,1′H)-dione (TBPD) has been less explored as a dye, mainly due to the quite...
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Choosing the ideal photoinitiator for free radical photopolymerizations: Predictions based on simulations using established data

RSC - Polym. Chem. latest articles - Mon, 09/17/2018 - 07:43
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY01195H, Paper Open Access &nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Anna Eibel, David E. Fast, Georg Gescheidt
We present a tool for predicting the initiation efficiency of various type 1 (α-cleavage) photoinitiators for free radical photopolymerization. The amount of initiated polymer chains is crucial for the successful...
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

An efficient strategy for achieving controlled ring-opening polymerization of O-carboxyanhydrides via amine initiation in collaboration with metal-alkoxide catalysis

RSC - Polym. Chem. latest articles - Sat, 09/15/2018 - 01:09
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY01090K, PaperYanzhao Nie, Pei Wang, Haifeng Du, Wei Meng, Jing Yang
The ring-opening polymerization (ROP) of O-carboxyanhydrides (OCAs) is a versatile alternative for generating well-defined functional poly(α-hydroxy acids) (PAHAs). In contrast to the ROP of lactides, which has countless successful examples,...
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Facile Preparation of Hyperbranched Glycopolymer via AB3* Inimer Promoted by a Hydroxy/Cerium (IV) Redox Process

RSC - Polym. Chem. latest articles - Fri, 09/14/2018 - 23:09
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY01134F, PaperFeng Liu, Yonggang Wu, Libin Bai, Xixi Peng, Hailei Zhang, Yuanggong Zhang, Puying An, Sujuan Wang, Gang Ma, Xinwu Ba
The facile preparation of hyperbranched glycopolymers was performed without protecting group chemistry, where the methyl-6-O-methacryloyl-α-D-glucoside (6-O-MMAGlc) monomer was adopted as AB3*-type inimer. The polymerization was initiated by hydroxy/cerium(IV) redox process,...
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Molecular and kinetic design for the expanded control of molecular weights in ring-opening metathesis polymerization of norbornene-substituted polyhedral oligomeric silsesquioxanes

RSC - Polym. Chem. latest articles - Fri, 09/14/2018 - 09:48
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00870A, PaperChang-Geun Chae, Yong-Guen Yu, Ho-Bin Seo, Myung-Jin Kim, Mallela Y. L. N. Kishore, Jae-Suk Lee
Cube-like polyhedral oligomeric silsesquioxane (POSS) is a promising candidate of isotropically bulky pendants to expand the dimensional limit of polymer main chains. This paper presents molecular and kinetic insights into...
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

New Strategy to Elaborate Polymer Composites via Pickering Emulsion Polymerization of a large range of monomers

RSC - Polym. Chem. latest articles - Fri, 09/14/2018 - 09:48
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY01022F, PaperArthur Werner, Gilles Sèbe, Valerie Heroguez
We report a novel strategy to prepare polymer composites reinforced by cellulose nanocrystals (CNCs) via Pickering emulsion polymerization. Acetylated CNCs (CNCAs) with different surface properties were prepared by transesterification of...
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Synthesis, Self-Assembly, Base-Pairing of Nucleobase End-Functionalized Block Copolymers in Aqueous Solution

RSC - Polym. Chem. latest articles - Fri, 09/14/2018 - 09:48
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY01201F, PaperMu Wang, Bonnie Choi, Xiaohu Wei, AnChao Feng, San Hoa Thang
Molecular recognition plays an important role in biological systems. Exploiting the complementary base-pairing observed between nucleotides (in DNA and RNA) to build discrete multicomponent composite micelles would be of high...
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

New Difluoromethoxyl-Containing Acrylate Monomer for PEG-b-PDFMOEA Amphiphilic Diblock Copolymer

RSC - Polym. Chem. latest articles - Fri, 09/14/2018 - 05:44
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00942B, PaperHaoyu Liu, Guolin Lu, Chun Feng, Xiaoyu Huang
A new monomer, 2-(difluoromethoxy)ethyl acrylate (DFMOEA), was first synthesized from commercially available 2-hydroxyethyl acrylate via one-step difluoromethylation reaction. A series of well-defined poly(2- (difluoromethoxy)ethyl acrylate) (PDFMOEA) homopolymers were prepared via...
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Peptide-Dendron Hybrids that Adopt Sequence-Encoded β-Sheet Conformations

RSC - Polym. Chem. latest articles - Thu, 09/13/2018 - 10:21
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00882E, PaperDeborah Barkley, Sang Uk Han, Tadanori Koga, Jonathan Gallagher Rudick
Rational design rules for programming hierarchical organization and function through mutations of monomers in sequence-defined polymers can accelerate the development of novel polymeric and supramolecular materials. Our strategy for designing...
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Main-chain degradable star polymers comprised of pH-responsive hyperbranched cores and thermoresponsive polyethylene glycol-based coronas

RSC - Polym. Chem. latest articles - Thu, 09/13/2018 - 06:17

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY01113C, PaperUlrike Wais, Lohitha Rao Chennamaneni, Praveen Thoniyot, Haifei Zhang, Alexander W. Jackson
Dual stimuliresponsive main-chain degradable star hyperbranched polymers have been synthesized via cyclic ketene acetal radical ring-opening and RAFT-based methacrylate copolymerization.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Study of Mechanoluminescent and ‘Aggregation Induced Enhanced Emission’ Property of a New Conjugated polymer Containing Tetraphenylethylene in the backbone: Application in Selective and Sensitive Detection of Explosive

RSC - Polym. Chem. latest articles - Wed, 09/12/2018 - 11:02
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY01153B, PaperDineshkumar Sengottuvelu, Inamur Rahaman Laskar
Development of new conjugated polymers with ‘Aggregation induced emission (AIE)’ characteristics are of great interest in recent years to avoid the ‘aggregation caused quenching (ACQ)’ effect and their potential applications...
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Full and partial hydrolysis of poly(2-oxazoline)s and subsequent post-polymerization modification of the resulting polyethylenimine (co)polymers

RSC - Polym. Chem. latest articles - Wed, 09/12/2018 - 07:58
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00978C, Review ArticleMaarten Mees, Richard Hoogenboom
The synthesis of linear polyethylenimine (L-PEI) is mostly performed via the acidic or basic hydrolysis of poly(2-alkyl-2-oxazoline)s (PAOx). Besides full hydrolysis leading to L-PEI, the partial hydrolysis of the PAOx...
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Enzyme catalysis-induced RAFT polymerization in water for the preparation of epoxy-functionalized triblock copolymer vesicles

RSC - Polym. Chem. latest articles - Wed, 09/12/2018 - 04:56

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY01053F, PaperQin Xu, Yuxuan Zhang, Xueliang Li, Jun He, Jianbo Tan, Li Zhang
Enzyme catalysis-induced aqueous reversible addition–fragmentation chain transfer (RAFT) polymerization was conducted at room temperature for the preparation of epoxy-functionalized triblock copolymer vesicles.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Synthesis of transition-metal-free and sulfur-free nanoparticles and nanocapsules via reversible complexation mediated polymerization (RCMP) and polymerization induced self-assembly (PISA)

RSC - Polym. Chem. latest articles - Tue, 09/11/2018 - 08:36

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY01117F, PaperJit Sarkar, Longqiang Xiao, Alexander W. Jackson, Alexander M. van Herk, Atsushi Goto
Transition-metal-free and sulfur-free synthesis of spheres, worms, and vesicles via the combination of organocatalyzed living radical polymerization and PISA.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Dispersity control in atom transfer radical polymerizations through addition of phenylhydrazine

RSC - Polym. Chem. latest articles - Tue, 09/11/2018 - 08:36

Polym. Chem., 2018, 9,4332-4342
DOI: 10.1039/C8PY00033F, PaperVivek Yadav, Nairah Hashmi, Wenyue Ding, Tzu-Han Li, Mahesh K. Mahanthappa, Jacinta C. Conrad, Megan L. Robertson
Phenylhydrazine is an effective modifier for conventional ATRP syntheses, providing systematic control over the dispersity of polymers with unimodal molecular weight distributions.
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Industrial developments of reversible-deactivation radical polymerizations: is the induction period over?

RSC - Polym. Chem. latest articles - Mon, 09/10/2018 - 09:24
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00970H, Review ArticleMathias Destarac
Reversible-deactivation radical polymerisation (RDRP) techniques are essential in modern polymer chemistry. Over the years, they have not only become fantastic lab tools for the easy preparation of structurally complex polymers...
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Isocyanurate formation during rigid polyurethane foam assembly: a mechanistic study based on in situ IR and NMR spectroscopy

RSC - Polym. Chem. latest articles - Fri, 09/07/2018 - 11:06

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00637G, PaperA. Al Nabulsi, D. Cozzula, T. Hagen, W. Leitner, T. E. Müller
Unravelling the role and working principle of the catalyst.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

MALDI-LID-ToF/ToF analysis of statistical and diblock polyacrylate copolymers

RSC - Polym. Chem. latest articles - Fri, 09/07/2018 - 11:06

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00928G, Paper Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.James S. Town, Glen R. Jones, David M. Haddleton
We report the use of MALDI-LID-ToF/ToF utilising the laser induced dissociation (LID) fragmentation technique, which has been almost exclusively applied to protein/peptide analysis to date.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Dual catalysis system for ring-opening polymerization of lactones and 2,2-dimethyltrimethylene carbonate

RSC - Polym. Chem. latest articles - Fri, 09/07/2018 - 03:47

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY01230J, PaperJunhua Bai, Jinhua Wang, Yan Wang, Lifang Zhang
The dual catalysis system exhibit the characteristics of a controlled ROP and suitable activities for the ROP of lactones and carbonates. Polymers prepared through this dual catalytic route possess predictable molecular weights, narrow polydispersities, and high end-group fidelity.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Near-infrared light-responsive, diselenide containing core-cross-linked micelles prepared by the Diels–Alder click reaction for photocontrollable drug release application

RSC - Polym. Chem. latest articles - Thu, 09/06/2018 - 05:10

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00961A, PaperSabrina Aufar Salma, Maheshkumar Prakash Patil, Dong Woo Kim, Cuong Minh Quoc Le, Byung-Hyun Ahn, Gun-Do Kim, Kwon Taek Lim
We report a facile and efficient preparation of a NIR-triggered micelle system for a drug vehicle.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Categories: Polymer Science News

Pages