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LNG Regasification Process

LNG Regasification Process




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LNG Regasification Infrastructure

LNG Regasification Infrastructure




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LNG regasification

LNG regasification




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Ring Road Project

Ring Road Project




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Pre-engineered Warehouse

Pre-engineered Warehouse




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Pre-Engineered Building

Pre-Engineered Building





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Manmohan Singh

Manmohan Singh




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Green Building

Green Building




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Civil Engineering

Civil Engineering




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ENGG LEGENDS

ENGG LEGENDS





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MANUFACTURING

MANUFACTURING




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A polymerization-induced self-assembly process for all-styrenic nano-objects using the living anionic polymerization mechanism

Polym. Chem., 2020, 11,2635-2639
DOI: 10.1039/D0PY00296H, Communication
Chengcheng Zhou, Jian Wang, Peng Zhou, Guowei Wang
By combination of the living anionic polymerization (LAP) mechanism with the polymerization-induced self-assembly (PISA) technique, the all-styrenic diblock copolymer poly(p-tert-butylstyrene)-b-polystyrene (PtBS-b-PS) based LAP PISA was successfully developed.
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Correction: Dynamic covalent polymer networks via combined nitroxide exchange reaction and nitroxide mediated polymerization

Polym. Chem., 2020, 11,2761-2761
DOI: 10.1039/D0PY90053B, Correction
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Yixuan Jia, Yannick Matt, Qi An, Isabelle Wessely, Hatice Mutlu, Patrick Theato, Stefan Bräse, Audrey Llevot, Manuel Tsotsalas
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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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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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Self-crosslinking smart hydrogels through direct complexation between benzoxaborole derivatives and diols from hyaluronic acid

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00308E, Paper
Tamiris Figueiredo, Yu Ogawa, Jing Jing, Vanina Cosenza, Isabelle Jeacomine, Johan D. M. Olsson, Thibaud Gerfaud, Jean-Guy Boiteau, Craig Harris, Rachel Auzély-Velty
By tailoring the structure of benzoxaborole (BOR), self-crosslinking hydrogels based on hyaluronic acid (HA) modified with BOR derivatives are obtained for the first time through the direct BOR-HA diol complexation at physiological pH.
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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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Using the dynamic behavior of macrocyclic monomers with a bis(hindered amino)disulfide linker for the preparation of end-functionalized polymers

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00366B, Paper
Hirogi Yokochi, Rikito Takashima, Daisuke Aoki, Hideyuki Otsuka
End-functionalized polymers were synthesized by simply heating a mixture of a macrocyclic compound with one bis(2,2,6,6-tetramethylpiperidin-1-yl)disulfide (BiTEMPS) moiety and bifunctional acyclic BiTEMPS compounds as sources of repeat units and terminal groups, respectively.
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Rapid metal-free synthesis of pyridyl-functionalized conjugated microporous polymers for visible-light-driven water splitting

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00249F, Communication
Zhonghua Cheng, Lei Wang, Yan He, Xingjia Chen, Xiaojun Wu, Hangxun Xu, Yaozu Liao, Meifang Zhu
A rapid metal-free synthetic approach was applied to synthesize pyridyl-functionalized conjugated microporous polymers (PCMPs) via an aminative cyclization between aryl aldehydes and ketones without any metal catalysts.
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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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Highly active bimetallic nickel catalysts for alternating copolymerization of carbon dioxide with epoxides

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00174K, Paper
Yu-Chia Su, Chih-Hsiang Tsui, Chen-Yen Tsai, Bao-Tsan Ko
Catalyst 1 was reported for the first time to be effective for nickel-catalyzed CO2/CHO copolymerization at 1 atm CO2 pressure.
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Enhanced thermomechanical property of a self-healing polymer via self-assembly of a reversibly cross-linkable block copolymer

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00310G, Paper
Hyang Moo Lee, Suguna Perumal, Gi Young Kim, Jin Chul Kim, Young-Ryul Kim, Minsoo P. Kim, Hyunhyup Ko, Yecheol Rho, In Woo Cheong
Introduction of a self-healable block copolymer increases the mechanical property whilst maintaining self-healing efficiency.
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Polymerization of dopamine accompanying its coupling to induce self-assembly of block copolymer and application in drug delivery

Polym. Chem., 2020, 11,2811-2821
DOI: 10.1039/D0PY00085J, Paper
Yudian Qiu, Zongyuan Zhu, Yalei Miao, Panke Zhang, Xu Jia, Zhongyi Liu, Xubo Zhao
The polymerization of dopamine and its coupling occur in succession, which synergistically induces the self-assembly of block copolymer to yield ordered structures, including micelles and vesicles.
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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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A high performance phenyl-free LED photoinitiator for cationic or hybrid photopolymerization and its application in LED cationic 3D printing

Polym. Chem., 2020, 11,2855-2863
DOI: 10.1039/D0PY00142B, Paper
Liqun Tang, Jun Nie, Xiaoqun Zhu
In this work, a high performance LED photoinitiator, 1,3-bis(1-methyl-1H-pyrrol-2-yl)prop-2-en-1-one (BMO), without a benzene ring was synthesized through a one-step aldehyde–ketone condensation reaction.
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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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Thermally triggerable, anchoring block copolymers for use in aqueous inkjet printing

Polym. Chem., 2020, 11,2869-2882
DOI: 10.1039/D0PY00244E, Paper
George E. Parkes, Helena J. Hutchins-Crawford, Claire Bourdin, Stuart Reynolds, Laura J. Leslie, Matthew J. Derry, Josephine L. Harries, Paul D. Topham
Towards the goal of shifting from toxic organic solvents to aqueous-based formulations in commercial inkjet printing, a series of well-defined amphiphilic block copolymers have been synthesized via RAFT polymerization.
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Mechanical activation of polymers containing two adjacent mechanophores

Polym. Chem., 2020, 11,2864-2868
DOI: 10.1039/D0PY00279H, Paper
Richard Stevenson, Min Zhang, Guillaume De Bo
Polymers containing two adjacent mechanophores cleave at the same as a single-mechanophore chains.
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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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Incorporating trifunctional 1,6-heptadiyne moiety into polyacetylene ionomer for improving its physical and conductive properties

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00109K, Paper
Hongfei Li, Hengchen Zhang, Xiaojuan Liao, Ruyi Sun, Meiran Xie
A trifunctional diyne comonomer can regulate the structure and optimize the physical state of polyacetylene ionomers, which exhibit a high ionic conductivity of 2.6 × 10−5–1.0 × 10−3 S cm−1 at 30 °C.
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Outstanding Reviewers for Polymer Chemistry in 2019

Polym. Chem., 2020, 11,2774-2774
DOI: 10.1039/D0PY90061C, Editorial

We would like to take this opportunity to highlight the Outstanding Reviewers for Polymer Chemistry in 2019, as selected by the editorial team for their significant contribution to the journal.
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Alternating ring-opening copolymerization of epoxides with saturated and unsaturated cyclic anhydrides: reduced viscosity poly(propylene fumarate) oligomers for use in cDLP 3D printing

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00453G, Paper
Yongjun Shin, Matthew L. Becker
A ring-opening copolymerization of propylene oxide with saturated and unsaturated anhydrides using Mg(BHT)2(THF)2 catalyst followed by an isomerization yields poly(propylene fumarate) (PPF) oligomers with improved properties for 3D printing.
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Sequential and alternating RAFT single unit monomer insertion: model trimers as the guide for discrete oligomer synthesis

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00390E, Paper
Ruizhe Liu, Lei Zhang, Zixuan Huang, Jiangtao Xu
A complete set of model trimers and their synthetic kinetics are established to guide the synthesis of diverse sequence-defined polymers.
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Tacticity dependence of single chain polymer folding

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00133C, Paper
Open Access
Denis Danilov, Elaheh Sedghamiz, Heike Fliegl, Hendrik Frisch, Christopher Barner-Kowollik, Wolfgang Wenzel
Precision polymerization techniques offer the exciting opportunity to manufacture single-chain nanoparticles (SCNPs) with intramolecular crosslinks placed in specific positions along the polymer chain.
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Comprehensive theoretical and experimental study of near infrared absorbing copolymers based on dithienosilole

Polym. Chem., 2020, Accepted Manuscript
DOI: 10.1039/D0PY00330A, Paper
Katarzyna Brymora, Wissem Khelifi, Sylvie Blanc, Lionel Hirsch, Antoine Bousquet, Christine Lartigau-Dagron, Frederic Castet
In recent contributions [Eur. Polym. J. 2013, 49, 4176; Macromolecules 2019, 52, 13, 4820], we reported a series of low band gap copolymers with the objective of shifting the absorption...
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Correction: Flow-facilitated ring opening metathesis polymerization (ROMP) and post-polymerization modification reactions

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY90065F, Correction
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Selesha I. Subnaik, Christopher E. Hobbs
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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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Effects of tacticity and chiral center-to-dipole distance on mesogen-free liquid crystalline self-assembly of sulfonyl-containing comb-like polymers

Polym. Chem., 2020, 11,3018-3031
DOI: 10.1039/D0PY00199F, Paper
Caleb A. Bohannon, Man-Hin Kwok, Ruipeng Li, Lei Zhu, Bin Zhao
Mesogen-free comb-like polyethers bearing strongly interacting mono- and di-sulfonylated side chains exhibit well-defined liquid crystalline self-assembly.
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Development and disassembly of single and multiple acid-cleavable block copolymer nanoassemblies for drug delivery

Polym. Chem., 2020, 11,2934-2954
DOI: 10.1039/D0PY00234H, Review Article
Arman Moini Jazani, Jung Kwon Oh
Acid-degradable block copolymer-based nanoassemblies are promising intracellular candidates for tumor-targeting drug delivery as they exhibit the enhanced release of encapsulated drugs through their dissociation.
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Synthesis of well-defined heteroglycopolymers via combining sequential click reactions and PPM: the effects of linker and heterogeneity on Con A binding

Polym. Chem., 2020, 11,3054-3065
DOI: 10.1039/D0PY00302F, Paper
Meina Liu, Xingyou Wang, Dengyun Miao, Caiyun Wang, Wei Deng
A versatile post- polymerization modification strategy to synthesize well-defined glycopolymers via the combination of RAFT polymerization and sequential CuAAC and thiol–ene click reactions was developed.
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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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Gold nanoparticles standing on PEG/PAMAM/thiol-functionalized nanographene oxide as aqueous catalysts

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00471E, Paper
Bingjie Hao, Guolin Lu, Sen Zhang, Yongjun Li, Aishun Ding, Xiaoyu Huang
Gold nanoparticles were aptly in situ grown on PEG/PAMAM/thiol-functionalized nanographene oxide platforms for aqueous catalysis.
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Construction of polyphosphoesters with the main chain of rigid backbones and stereostructures via organocatalyzed ring-opening polymerization

Polym. Chem., 2020, Advance Article
DOI: 10.1039/D0PY00262C, Paper
Yu-Jia Zheng, Guan-Wen Yang, Bo Li, Guang-Peng Wu
A highly stereoregular polyphosphoester with a rigid cyclohexylene structure in the main chain was constructed via ring-opening polymerization (ROP) in the presence of an organic catalyst system.
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Polymerization-induced self-assembly for the fabrication of polymeric nano-objects with enhanced structural stability by cross-linking

Polym. Chem., 2020, Accepted Manuscript
DOI: 10.1039/D0PY00368A, Review Article
Wen-Jian Zhang, Jamshid Kadirkhanov, Chang-Hui Wang, Sheng-Gang Ding, Chun-Yan Hong, Fei Wang, Ye-Zi You
Polymerization-induced self-assembly (PISA) has been established as a robust strategy to synthesize block copolymer nano-objects with varying morphologies, size, and surface chemistry, which greatly enlarges the library of functional nano-objects...
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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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