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Infrastructure Development in Kerala

Infrastructure Development in Kerala




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Industrial Projects Kerala

Industrial Projects Kerala




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Talaipalli Coal Block

Talaipalli Coal Block




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Lata Tapovan Hydro Projects

Lata Tapovan Hydro Projects




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Aditya Birla group

Aditya Birla group




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Darlipali supercritical thermal power plant

Darlipali supercritical thermal power plant




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Larsen & Toubro

Larsen & Toubro




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12th Five-Year Plan

12th Five-Year Plan




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Tin(II) 2-ethylhexanoate catalysed methanolysis of end-of-life poly(lactide)

Polym. Chem., 2020, 11,2625-2629
DOI: 10.1039/D0PY00292E, Communication
Melanie Hofmann, Christoph Alberti, Felix Scheliga, Roderich R. R. Meißner, Stephan Enthaler
The depolymerisation of end-of-life poly(lactide) (PLA) goods was studied as part of the chemical recycling of PLA.
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Correction: Block copolymer hierarchical structures from the interplay of multiple assembly pathways

Polym. Chem., 2020, 11,2762-2762
DOI: 10.1039/D0PY90057E, Correction
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Alessandro Ianiro, Meng Chi, Marco M. R. M. Hendrix, Ali Vala Koç, E. Deniz Eren, Michael Sztucki, Andrei V. Petukhov, Gijsbertus de With, A. Catarina C. Esteves, Remco Tuinier
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A covalently crosslinked silk fibroin hydrogel using enzymatic oxidation and chemoenzymatically synthesized copolypeptide crosslinkers consisting of a GPG tripeptide motif and tyrosine: control of gelation and resilience

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00187B, Paper
Hiromitsu Sogawa, Takuya Katashima, Keiji Numata
A covalently crosslinked silk fibroin hydrogel was successfully formed via an enzymatic crosslinking reaction using copolypeptides, which consist of a glycine–proline–glycine tripeptide motif and tyrosine, as linker molecules.
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Visible light-mediated ring-opening polymerization of lactones based on the excited state acidity of ESPT molecules

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00369G, Paper
Xun Zhang, Siping Hu, Qiang Ma, Saihu Liao
A visible light-regulated ring-opening polymerization of lactones has been developed based on the excited state acidity of ESPT molecules.
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Injectable dual cross-linked adhesive hyaluronic acid multifunctional hydrogel scaffolds for potential applications in cartilage repair

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00371A, Paper
Chenxi Yu, Huichang Gao, Qingtao Li, Xiaodong Cao
A double crosslinked hydrogels was designed and prepared by combining the Diels–Alder click reaction and possessed good mechanical strength, injectability and adhesion.
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Turning natural δ-lactones to thermodynamically stable polymers with triggered recyclability

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00270D, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Linnea Cederholm, Peter Olsén, Minna Hakkarainen, Karin Odelius
Extending the use of natural δ-lactones in circular materials via a synthetic strategy yielding thermodynamically stable polyesters with triggered recyclability.
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Highly elastic, strong, and reprocessable cross-linked polyolefin elastomers enabled by boronic ester bonds

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00235F, Paper
Fei Yang, Li Pan, Zhe Ma, Yahui Lou, Yuanyuan Li, Yuesheng Li
Despite the development of new catalysts and synthetic strategies to prepare polyolefin elastomers (POEs), less progress has been made in balancing their elastomeric properties with processability and resistance to heat and solvents.
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Poly(alanine-nylon-alanine) as a bioplastic: chemoenzymatic synthesis, thermal properties and biological degradation effects

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00137F, Paper
Open Access
Prashant G. Gudeangadi, Kei Uchida, Ayaka Tateishi, Kayo Terada, Hiroyasu Masunaga, Kousuke Tsuchiya, Hitoshi Miyakawa, Keiji Numata
Poly(amino acids) such as polypeptides and proteins are attractive biomass-based polymers that potentially contribute to circular economy for plastic.
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Surfactant-free synthesis of layered double hydroxide-armored latex particles

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00140F, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
X. G. Qiao, P.-Y. Dugas, V. Prevot, E. Bourgeat-Lami
MgAl-layered double hydroxide (LDH)-armored latexes were produced by Pickering emulsion polymerization of styrene using 2-hydroxyethyl methacrylate (HEMA) and methyl methacrylate (MMA) as auxiliary comonomers.
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Miniemulsion polymerization of styrene using carboxylated graphene quantum dots as surfactant

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00404A, Paper
Le N. M. Dinh, Lakshmi N. Ramana, Vipul Agarwal, Per B. Zetterlund
Carboxylated graphene quantum dots (cGQDs) were synthesized from dextrose and sulfuric acid via a hydrothermal process, and subsequently used as sole surfactant in miniemulsion polymerization of styrene.
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Synthesis of acrylamide-based block-copolymer brushes under flow: monitoring real-time growth and surface restructuring upon drying

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00219D, Paper
Open Access
Joydeb Mandal, Andrea Arcifa, Nicholas D. Spencer
Block-copolymer brushes of water-soluble acrylamides have been synthesised by SI-ATRP under continuous flow and their growth monitored in situ by means of a quartz-crystal microbalance with dissipation (QCM-D).
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Preparation of aryl polysulfonates via a highly efficient SuFEx click reaction, their controllable degradation and functionalized behavior

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00435A, Communication
Zhenlei Cao, Feng Zhou, Pei-Yang Gu, Dongyun Chen, Jinghui He, John R. Cappiello, Peng Wu, Qingfeng Xu, Jianmei Lu
Polysulfonates obtained from SuFEx click reaction can be degraded using DBU. The degradation process was further utilized to prepare functional polymers.
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Pillar[5]arene-based self-assembled linear supramolecular polymer driven by guest halogen–halogen interactions in solid and solution states

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00327A, Paper
Talal F. Al-Azemi, Mickey Vinodh
A pillar[5]arene-based linear supramolecular polymer mediated by guest halogen–halogen interactions (C–Br⋯Br–C) was studied in both the solution and solid states.
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Hydrogen-bonded supramolecular micelle-mediated drug delivery enhances the efficacy and safety of cancer chemotherapy

Polym. Chem., 2020, 11,2791-2798
DOI: 10.1039/D0PY00082E, Paper
Chih-Chia Cheng, Ya-Ting Sun, Ai-Wei Lee, Shan-You Huang, Wen-Lu Fan, Yu-Hsuan Chiao, Chih-Wei Chiu, Juin-Yih Lai
Multiple hydrogen-bonded supramolecular polymers tend to form stable spherical micelles with oppositely charged anticancer drugs in biological environments, which improves cellular drug uptake and more effectively induces apoptosis in cancer cells.
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Simple improvements to Gilch synthesis and molecular weight modulation of MEH-PPV

Polym. Chem., 2020, 11,2831-2837
DOI: 10.1039/D0PY00072H, Paper
Riley O'shea, Wallace W. H. Wong
The solvent and temperature used in the Gilch synthesis of poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) were varied to achieve an improved set of reaction conditions.
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Vesicular assemblies of thermoresponsive amphiphilic polypeptide copolymers for guest encapsulation and release

Polym. Chem., 2020, 11,2889-2903
DOI: 10.1039/D0PY00135J, Paper
Mahammad Anas, Somdeb Jana, Tarun K. Mandal
Thermoresponsive amphiphilic polypeptide copolymers are synthesized via different polymerization techniques for their self-assembly into vesicular aggregates for guest encapsulation and release.
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Self-supported rhodium catalysts based on a microporous metal–organic framework for polymerization of phenylacetylene and its derivatives

Polym. Chem., 2020, 11,2904-2913
DOI: 10.1039/D0PY00170H, Paper
Li Zhang, Qingbin Cao, Fei Gao, Yuping Dong, Xiaofang Li
Highly efficient, cis-selective, stable, recyclable and reusable heterogeneous single-site MOF-supported rhodium catalysts polymerize PA and its derivatives, producing cis-transoidal PPAs and their functional derivatives having a helical configuration or AIE properties.
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Synthesis of a side-chain hole transporting polymer through Mitsunobu post-functionalization for efficient inverted perovskite solar cells

Polym. Chem., 2020, 11,2883-2888
DOI: 10.1039/D0PY00134A, Paper
Liuyuan Lan, Xiang Deng, Jie Zhang, Jingdong Luo, Alex K.-Y. Jen
Mitsunobu post-functionalization was utilized to construct a new efficient dopant-free side-chain hole transporting polymer for inverted perovskite solar cells, exhibiting a power conversion efficiency of 17.75% and a high fill factor over 81%.
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Synthesis of biscarboxylic acid functionalised EDTA mimicking polymers and their ability to form Zr(IV) chelation mediated nanostructures

Polym. Chem., 2020, 11,2799-2810
DOI: 10.1039/D0PY00304B, Paper
Meike N. Leiske, Julia A. Walker, Aadarash Zia, Nicholas L. Fletcher, Kristofer J. Thurecht, Thomas P. Davis, Kristian Kempe
We present a new biscarboxylic acid acrylate, which is used for the synthesis of double hydrophilic EDTA-mimicking block copolymers capable of self-assembly upon zirconium complexation.
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Tuning polymer properties of non-covalent crosslinked PDMS by varying supramolecular interaction strength

Polym. Chem., 2020, 11,2847-2854
DOI: 10.1039/D0PY00139B, Paper
Open Access
Brigitte A. G. Lamers, Marcin L. Ślęczkowski, Fabian Wouters, Tom A. P. Engels, E. W. Meijer, Anja R. A. Palmans
Linear polydimethylsiloxane (PDMS) is crosslinked by supramolecular grafts to obtain materials with strikingly different mechanical properties by tuning the strength of the non-covalent interactions.
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Influence of surface charge on the formulation of elongated PEG-b-PDLLA nanoparticles

Polym. Chem., 2020, 11,2775-2780
DOI: 10.1039/D0PY00280A, Communication
Open Access
Roxane Ridolfo, David S. Williams, Jan C. M. van Hest
Amphiphilic PEG-PDLLA copolymers undergo assembly into polymersomes and can be transformed into tubular shapes using dialysis. By fine-tuning the shape change conditions also amine- and carboxylic acid modified polymersomes can now be effectively turned into tubes.
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Aromatic thioketone-mediated radical polymerization of methacrylates and the preparation of amphiphilic quasi-block copolymers

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00322K, Paper
Haoyu Yu, Jianwei Shao, Dong Chen, Li Wang, Wantai Yang
TfXT exhibits strong ability to control radical polymerization of methyl methacrylate and has been used in preparing amphiphilic quasi-block copolymer.
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Hierarchical self-assembled nanostructures of lactone-derived thiobarbiturate homopolymers for stimuli-responsive delivery applications

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00367K, Paper
Piyali Mandal, Diptendu Patra, Raja Shunmugam
Hierarchical self-assembled nanostructures of lactone-derived thiobarbiturate homopolymers for stimuli-responsive delivery applications are shown.
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Polymersome formation induced by encapsulation of water-insoluble molecules within ABC triblock terpolymers

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00426J, Paper
Rintaro Takahashi, Shotaro Miwa, Carsten Rössel, Shota Fujii, Ji Ha Lee, Felix H. Schacher, Kazuo Sakurai
We found a morphological transition from spherical micelles to polymersomes induced by encapsulation of hydrophobic guest molecules.
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A 3D printed drug delivery implant formed from a dynamic supramolecular polyurethane formulation

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00068J, Paper
S. Salimi, Y. Wu, M. I. Evangelista Barreiros, A. A. Natfji, S. Khaled, R. Wildman, L. R. Hart, F. Greco, E. A. Clark, C. J. Roberts, W. Hayes
Prototype drug eluting implants have been 3D printed using a supramolecular polyurethane-PEG formulation. The implants are capable of releasing a pharmaceutical active with effective drug release over a period of up to 8.5 months.
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From isoselectivity to syndioselectivity: Lewis base regulates stereochemistry in 2-vinylpyridine polymerization

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00320D, Paper
Yu Wang, Jiang-Bing Duan, Zhao-Xuan Liu, Tie-Qi Xu
We have developed an effective synthesis of syndiotactic poly(2-vinylpyridine) by a novel catalytic system. Switching from isoselective to syndioselective polymerization was achieved by adding Lewis base.
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Dibenzothiophene-S,S-Dioxide-Bispyridinium-Fluorene-Based Polyelectrolytes for Cathode Buffer Layers of Polymer Solar Cells

Polym. Chem., 2020, Accepted Manuscript
DOI: 10.1039/D0PY00416B, Paper
Guiting Chen, Dan Cheng, Wenyan Zou, Ziyan Cai, Yufeng Xie, Yaqi Chen, Baitian He, Hong-Qing Hao, Wei Yang, Yong Cao
Herein, a novel electron-deficient conjugated water/alcohol-soluble polyelectrolyte (WSPE) named as PFSOPyCl-E, consisting of dibenzothiophene-S,S-dioxide, bispyridinium salts and fluorene with ethylene oxide side chains, was presented. Previously we have synthesized another...
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Optimizing the Thermoelectric Performance of Conjugated Polymer Backbones via Incorporating Tailored Platinum (II) Acetylides

Polym. Chem., 2020, Accepted Manuscript
DOI: 10.1039/D0PY00464B, Paper
Chunfa Liu, Xiaojun Yin, Jianwen Liu, Chunmei Gao, Lei Wang
Efforts to improve the electrical conductivity (σ) of the organic semiconductors propose the critical challenge for high performance organic thermoelectric (TE) devices. Herein, five new conjugated polymers incorporated with different...
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Photo-induced copper mediated copolymerization of activated-ester methacrylate polymers and their use as reactive precursors to prepare multi-dentate ligands for the water transfer of inorganic nanoparticles

Polym. Chem., 2020, 11,2969-2985
DOI: 10.1039/D0PY00212G, Paper
Binh T. Mai, Markus J. Barthel, Aidin Lak, Tommaso Avellini, Ana Maria Panaite, Emille M. Rodrigues, Luca Goldoni, Teresa Pellegrino
Polymers bearing activated ester groups are synthesized using photo-ATRP and used as precursors for direct synthesis of multi-phosphonic acid functionalized ligands which are able to transfer different nanoparticles with distinct cores into water.
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Viscoelastic and thermoreversible networks crosslinked by non-covalent interactions between “clickable” nucleic acid oligomers and DNA

Polym. Chem., 2020, 11,2959-2968
DOI: 10.1039/D0PY00165A, Paper
Alex J. Anderson, Heidi R. Culver, Stephanie J. Bryant, Christopher N. Bowman
An approach to efficient and scalable production of oligonucleotide-based gel networks is presented.
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Synthesis of conjugated polymers via cyclopentannulation reaction: promising materials for iodine adsorption

Polym. Chem., 2020, 11,3066-3074
DOI: 10.1039/D0PY00286K, Paper
Open Access
Noorullah Baig, Suchetha Shetty, Saleh Al-Mousawi, Bassam Alameddine
A new class of conjugated polymers is prepared by means of a versatile palladium-catalyzed cyclopentannulation reaction using a series of specially designed diethynyl aryl synthons with the commercially available 9,10-dibromoanthracene DBA monomer.
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Secondary structure drives self-assembly in weakly segregated globular protein–rod block copolymers

Polym. Chem., 2020, 11,3032-3045
DOI: 10.1039/C9PY01680E, Paper
Helen Yao, Kai Sheng, Jialing Sun, Shupeng Yan, Yingqin Hou, Hua Lu, Bradley D. Olsen
Imparting secondary structure to the polymer block can drive self-assembly in globular protein–helix block copolymers, increasing the effective segregation strength between blocks with weak or no repulsion.
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Post-polymerization modification of polymethacrylates enabled by keto–enol tautomerization

Polym. Chem., 2020, 11,2955-2958
DOI: 10.1039/D0PY00383B, Communication
Charles P. Easterling, Guilhem Coste, Jose E. Sanchez, Gail E. Fanucci, Brent S. Sumerlin
We report a post-polymerization modification strategy to functionalize methacrylic copolymers through enol-ester transesterification.
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Effect of the side, ethylene glycol and hydroxyl groups on the polymerization kinetics of oligo(ethylene glycol methacrylates). An experimental and modeling investigation

Polym. Chem., 2020, Accepted Manuscript
DOI: 10.1039/D0PY00498G, Paper
Mohammad Siddiqui, Dimitris Achilias, Halim Hamid Redhwi
Polymers based on methacrylates bearing short oligo(ethylene glycol) side parts constitute a modern class of stimuli-responsive, biocompatible materials exhibiting several important biological applications. A study of their polymerization kinetics considering...
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Light and Latex: Advances in the photochemistry of polymer colloids

Polym. Chem., 2020, Accepted Manuscript
DOI: 10.1039/D0PY00349B, Review Article
Philip Scott, Christopher Kasprzak, Keyton Feller, Viswanath Meenakshisundaram, Christopher Williams, Timothy Long
Unparalleled temporal and spatial control of colloidal chemical processes introduces immense potential for the manufacturing, modification, and manipulation of latex particles. This review highlights major advances in photochemistry, both as...
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Organocatalyzed ring opening polymerization of regio-isomeric lactones: reactivity and thermodynamics considerations

Polym. Chem., 2020, Accepted Manuscript
DOI: 10.1039/C9PY01777A, Paper
Marie A. F. Delgove, Ola Wróblewska, Jules Stouten, Christian A. M. R. van Slagmaat, Jurrie Noordijk, Stefaan de Wildeman, Katrien V. Bernaerts
Organocatalysts are increasingly gaining attention for the ring opening polymerization (ROP) of lactones due to numerous advantages. In this work, the goal is to expand the scope of catalysts for...
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Online Tracing of Molecular Weight Evolution during Radical Polymerization via high-resolution FlowNMR spectroscopy

Polym. Chem., 2020, Accepted Manuscript
DOI: 10.1039/D0PY00475H, Communication
Jeroen Hendrik Vrijsen, Isabel Anna Thomlinson, Martin Levere, Catherine L Lyall, Matthew G Davidson, Ulrich Hintermair, Tanja Junkers
High-resolution FlowNMR was coupled to a continuous flow reactor to monitor polymer molecular weight evolution online by diffusion ordered NMR spectroscopy. Polymers were synthesized by reversible addition fragmentation chain transfer...
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Influence of the polymer matrix on the viscoelastic behaviour of vitrimers

Polym. Chem., 2020, Accepted Manuscript
DOI: 10.1039/D0PY00114G, Paper
Yann Spiesschaert, Christian Taplan, Lucas Stricker, Marc Guerre, Johan M. Winne, Filip Du Prez
Vitrimer materials are a rapidly growing field of research, in which still many fundamental aspects of material design remain to be explored. In this study, we report a systematic study...
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Precise Tracking and Modulating Aggregation Structures of Conjugated Copolymers in Solutions

Polym. Chem., 2020, Accepted Manuscript
DOI: 10.1039/D0PY00456A, Paper
Zi-Yuan Wang, Ze-Fan Yao, Yang Lu, Li Ding, Zi-Di Yu, Hao-Yang You, Xin-Yi Wang, Yang-Yang Zhou, Lin Zou, Jie-Yu Wang, Jian Pei
The effects of the backbone shape of the conjugated polymers on the aggregation features in solutions, and further on the morphology in solid states are rarely reported. Herein, four copolymers,...
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Ring-opening copolymerization of cyclic epoxide and anhydride using a five-coordinate chromium complex with a sterically demanding amino triphenolate ligand

Polym. Chem., 2020, Accepted Manuscript
DOI: 10.1039/D0PY00155D, Paper
Ho Kyun Ryu, Dae Young Bae, Hyeongi Lim, Eunsung Lee, Kyung-sun Son
An alternating ring-opening copolymerization (ROCOP) of epoxides (cyclohexene oxide, limonene oxide) and anhydrides (phthalic anhydride, naphthalic anhydride and maleic anhydride) was performed using a chromium complex containing a sterically demanding...
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The Tourist Places of the World


 

Formerly a largely Western practice, leisure travel is today the most dynamic industry in the world in terms of growth. Developments in transport and communication systems mean tourism is now an integral part of our understanding of the world, and involved in the exponential increase of links between societies and different cultures.

The Tourist Places of the World has comprehensive data on the number of international visitors annually. It also includes



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