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144 Newest Publications about the topic polymer chemistry

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Controlled random copolymerization of rac‐lactide and ɛ‐caprolactone by well‐designed phenoxyimine Al complexes

22-Dec-2017 | Tong Shi, Wenlong Luo, Shaofeng Liu, Zhibo Li, Journal of Polymer Science Part A: Polymer Chemistry, 2017

ABSTRACT The random copolymers poly(LA‐ran‐CL) have improved properties of degradability, mechanical strength, elasticity, and permeability over the PLA and PCL homopolymers. However, the synthesis of such copolymers is still a great challenge in polymer chemistry. In this contribution, we ...

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A little zinc makes the rings all link

15-Dec-2017 | Stella Hurtley; Jake Yeston, Science , 2017

Polymer Chemistry Although polymer strands are often informally called chains, molecular topologies that actually resemble extended macroscopic chain links have proven surprisingly challenging to make. Most approaches have settled for tethering pairs of interlocked rings amid spacer segments. Wu ...

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Routes to greener plastics

17-Nov-2017 | Stella Hurtley; Julia Fahrenkamp-Uppenbrink, Science , 2017

Polymer Chemistry Plastics are mostly produced from fossil fuel resources and are often discarded after short-term use (see the Editorial by MacArthur). In a Perspective, Hillmyer discusses two routes toward more sustainable plastics: (i) production of the monomer building blocks of commodity

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Spatial effects in polymer chemistry

27-Sep-2017 | Helmut Ritter, Beilstein Journal of Organic Chemistry, 2017

Beilstein J. Org. Chem. 2017, 13, 2015–2016.doi:10.3762/bjoc.13.198

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50th Anniversary Perspective: Living Polymerization—Emphasizing the Molecule in Macromolecules

17-Sep-2017 | Robert B. Grubbs; Robert H. Grubbs, Macromolecules, 2017

The ideal of living polymerization has defined research in polymer chemistry over the past 50 years. In this Perspective, we present the case that this concept has enabled the treatment of polymers as organic molecules, rather than impure mixtures of species, and allowed the translation of ...

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Non-fluorinated pre-irradiation-grafted (peroxidated) LDPE-based anion-exchange membranes with high performance and stability

30-Aug-2017 | Lianqin Wang; Jethro J. Brink; Ye Liu; Andrew M. Herring; Julia Ponce-Gonzalez; Daniel K. Whelligan; John R. Varcoe, Energy & Environmental Science, 2017

Radiation-grafted anion-exchange membrane (RG-AEM) research has predominantly focused on the chemical stability of the polymer-bound positively-charged head-groups that enable anion conduction. The effect of the backbone polymer chemistry, of the precursor film, on RG-AEM stability has been ...

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Topological Polymer Chemistry Designing Complex Macromolecular Graph Constructions

22-Aug-2017 | Yasuyuki Tezuka, Accounts of Chemical Research, 2017

ConspectusThe precision design of topologically intriguing macromolecular architectures has continuously been an attractive challenge in polymer science and polymer materials engineering. A class of multicyclic polymer topologies, including three subclasses of spiro, bridged, and fused forms, are ...

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Room Temperature Multicomponent Polymerizations of Alkynes, Sulfonyl Azides, and Iminophosphorane toward Heteroatom-Rich Multifunctional Poly(phosphorus amidine)s

11-Aug-2017 | Liguo Xu; Rongrong Hu; Ben Zhong Tang, Macromolecules, 2017

Multicomponent polymerization (MCP) is a fascinating synthetic method for the construction of polymers with diverse structures and multifunctionalities. As a rapidly developing field, MCP begins to show great impact in polymer chemistry and polymer materials, which attract scientists’ attention ...

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Facile synthesis of multiblock copolymers containing sequence‐controlled peptides and well‐defined vinyl polymers via nitroxide‐mediated polymerization

10-Aug-2017 | Shin-nosuke Nishimura, Nobuyuki Higashi, Tomoyuki Koga, Chemistry - A European Journal, 2017

Precisely incorporating a wide range of structural and functional multiblocks along the polymer backbone is a significant challenge in polymer chemistry and offers promising opportunities to design highly ordered materials, including controlled polymer folding. Herein we report a facile and ...

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50th Anniversary Perspective: Advanced Polymer Fibers: High Performance and Ultrafine

28-Jul-2017 | Jay Hoon Park; Gregory C. Rutledge, Macromolecules, 2017

As Macromolecules celebrates its 50th anniversary, we reflect on the impact of polymer chemistry and engineering on the advancement of synthetic polymer fibers. In this Perspective, we focus on two exemplary cases: (i) high performance fibers and (ii) ultrafine electrospun fibers. High ...

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