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/metallocene polyethylene 1

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Optimization and simultaneous heat integration design of a coal-based ethylene glycol refining process

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1280-1288 doi: 10.1007/s11705-023-2301-4

Abstract: Coal to ethylene glycol still lacks algorithm optimization achievements for distillation sequencing duein this paper into the simultaneous optimization of parameters and heat integration of the coal to ethyleneglycol distillation scheme and double-effect superstructure by the self-adapting dynamic differentialThis study discloses the unexpected great energy-saving potential for the coal to ethylene glycol process

Keywords： ethylene glycol     redistribution     heat integration     optimization     parallel framework    

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Modification of polycarbonateurethane surface with poly(ethylene glycol) monoacrylate and phosphorylcholine

Jing YANG,Juan LV,Bin GAO,Li ZHANG,Dazhi YANG,Changcan SHI,Jintang GUO,Wenzhong LI,Yakai FENG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 2,   Pages 188-196 doi: 10.1007/s11705-014-1414-1

Abstract: Poly(ethylene glycol) monoacrylate (PEGMA) is grafted onto polycarbonateurethane (PCU) surface via ultraviolet

Keywords： poly(ethylene glycol) monoacrylate     phosphorylcholine     polycarbonateurethane     surface modification     anti-platelet    

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Determination of the diffusion of poly(ethylene glycol) in polypropylene using ATR-FTIR

Hanjia CHEN, Xuhua SHI, Yafei ZHU, Yi ZHANG, Jiarui XU,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 336-341 doi: 10.1007/s11705-009-0230-5

Abstract: The diffusion of poly(ethy1ene glycol) (PEG) in polypropylene (PP) was investigated using attenuated

Keywords： diffusion     polypropylene     molecular     diffusion equilibrium     attenuated    

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Polymeric micelle nanocarriers in cancer research

Dae Hwan Shin, Yu Tong Tam, Glen S. Kwon

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 3,   Pages 348-359 doi: 10.1007/s11705-016-1582-2

Abstract: Amphiphilic block copolymers (ABCs) assemble into a spherical nanoscopic supramolecular core/shell nanostructure termed a polymeric micelle that has been widely researched as an injectable nanocarrier for poorly water-soluble anticancer agents. The aim of this review article is to update progress in the field of drug delivery towards clinical trials, highlighting advances in polymeric micelles used for drug solubilization, reduced off-target toxicity and tumor targeting by the enhanced permeability and retention (EPR) effect. Polymeric micelles vary in stability in blood and drug release rate, and accordingly play different but key roles in drug delivery. For intravenous (IV) infusion, polymeric micelles that disassemble in blood and rapidly release poorly water-soluble anticancer agent such as paclitaxel have been used for drug solubilization, safety and the distinct possibility of toxicity reduction relative to existing solubilizing agents, e.g., Cremophor EL. Stable polymeric micelles are long-circulating in blood and reduce distribution to non-target tissue, lowering off-target toxicity. Further, they participate in the EPR effect in murine tumor models. In summary, polymeric micelles act as injectable nanocarriers for poorly water-soluble anticancer agents, achieving reduced toxicity and targeting tumors by the EPR effect.

Keywords： nanomedicine     parenteral     poly(ethylene glycol)     poly(lactic acid)     reformulation    

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Catalysis of semihydrogenation of acetylene to ethylene: current trends, challenges, and outlook

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 7,   Pages 1031-1059 doi: 10.1007/s11705-021-2113-3

Abstract: Ethylene is an important feedstock for various industrial processes, particularly in the polymer industryUnfortunately, during naphtha cracking to produce ethylene, there are instances of acetylene presenceAn increase in the reaction temperature affords high acetylene conversion and ethylene selectivity toobtain reactant streams free of ethylene.Conflicting findings to this trend have reported the presence of ethylene in the feed stream.

Keywords： selectivity     hydrogenation     acetylene     ethylene     palladium    

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Thin-film composite forward osmosis membranes with substrate layer composed of polysulfone blended with PEG or polysulfone grafted PEG methyl ether methacrylate

Baicang Liu,Chen Chen,Pingju Zhao,Tong Li,Caihong Liu,Qingyuan Wang,Yongsheng Chen,John Crittenden

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 4,   Pages 562-574 doi: 10.1007/s11705-016-1588-9

Abstract: the effects of two additives on the performance of polysulfone (PSf) based FO membranes: one is poly(ethyleneglycol) (PEG), and another is PSf grafted with PEG methyl ether methacrylate (PSf-g-PEGMA).

Keywords： thin-film composite     forward osmosis     amphiphilic copolymer     interfacial polymerization     poly(ethylene glycol    

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Chitosan/polyethylene glycol impregnated activated carbons: Synthesis, characterization and adsorption

Ehsan Salehi, Fereshteh Soroush, Maryam Momeni, Aboulfazl Barati, Ali Khakpour

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 575-585 doi: 10.1007/s11705-017-1650-2

Abstract: carbons (ACs) with enhanced adsorptive properties were obtained coating by chitosan (CS), polyethylene glycolOverall the chitosan had a greater effect on improving adsorption capacity whereas the polyethylene glycol

Keywords： carbon biocomposites     impregnation     chitosan     polyethylene glycol     image processing    

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Gas phase ethylene polymerization over SiO

Liuzhong LI, Aiyou HAO, Ruihua CHENG, Boping LIU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 89-95 doi: 10.1007/s11705-010-0558-x

Abstract: In this work, gas phase ethylene polymerization by S-2 catalysts (Cat-1, Cat-2, and Cat-3) was carried

Keywords： UCC S-2 catalyst     Al-alkyl co-catalyst     gas-phase ethylene polymerization     high density polyethylene    

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Effects of a dynamic membrane formed with polyethylene glycol on the ultrafiltration of natural organic

Boksoon KWON, Noeon PARK, Jaeweon CHO,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 2,   Pages 172-182 doi: 10.1007/s11783-010-0002-y

Abstract: The formation of a dynamic membrane (DM) was investigated using polyethylene glycol (PEG) (molecular

Keywords： dynamic membrane     natural organic matters     ultrafiltration membrane performance     effective PSD     effective molecular weight cutoff    

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Polyethylene glycol-supported ionic liquid as a highly efficient catalyst for the synthesis of propylene

Rui YAO, Hua WANG, Jinyu HAN

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 239-245 doi: 10.1007/s11705-012-1297-y

Abstract: form propylene carbonate (PC) was promoted by an ionic liquid (IL) covalently bound to polyethylene glycol

Keywords： ionic liquid     PEG-supported ionic liquid     carbon dioxide     propylene carbonate    

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Encapsulation of polyethylene glycol in cellulose-based porous capsules for latent heat storage and light-to-thermal

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1038-1050 doi: 10.1007/s11705-022-2279-3

Abstract: polyelectrolyte and carboxymethyl cellulose as the anionic polyelectrolyte to encapsulate polyethylene glycolThese capsules owned a typical core–shell structure, with an extremely high polyethylene glycol loadingAfter loading of polyethylene glycol, the resulted cellulose-based composite phase change materials exhibitedstorage ability with the latent heat up to 142.2 J∙g‒1, which was 98.5% of pure polyethylene glycol

Keywords： cellulose     polyelectrolytes     phase change materials     thermal energy storage     light-to-thermal conversion    

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Effect of polyethylene glycol on the crystallization, rheology and foamability of poly(lactic acid) containing

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2074-2087 doi: 10.1007/s11705-023-2342-8

Abstract: foaming behavior of poly(lactic acid) with polyamide 6 nanofibrils were examined with polyethylene glycolFor the 10% polyamide 6 case, polyethylene glycol addition reduced the polyamide 6 fibril diameter fromisothermal crystallization kinetics results suggested that the polyamide 6 nanofibrils and polyethylene glycolWith the polyethylene glycol, the crystallization half-time reduced from 103.6 to 62.2 s.foams exhibited a higher cell density and expansion ratio than that of the foams without polyethylene glycol

Keywords： poly(lactic acid)     foaming     microfibrillation     rheological property     crystallization    

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Thermodynamic analysis of ethanol synthesis from hydration of ethylene coupled with a sequential reaction

Jie Gao, Zhikai Li, Mei Dong, Weibin Fan, Jianguo Wang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 847-856 doi: 10.1007/s11705-019-1848-6

Abstract: Coal-based ethanol production by hydration of ethylene is limited by the low equilibrium ethylene conversionTo improve ethylene conversion, coupling hydration of ethylene with a potential ethanol consumption reactionThe results show that dehydrogenation of ethanol to acetaldehyde has little effect on ethylene conversion, whereas for dehydrogenation of ethanol to acetaldehyde and ethyl acetate, ethylene conversion can beThe esterification of acetic acid with ethanol can greatly enhance the ethylene conversion to 22.5%;

Keywords： ethylene     ethanol     thermodynamics     coupling    

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Cerebration and Practice of Expanded feedstock sources for Ethylene units

Cao Xianghong

Strategic Study of CAE 2001, Volume 3, Issue 5,   Pages 35-43

Abstract:

This article starts with the research results that the performance of the ethylene production fromis the by-product of the de-waxing of the vacuum second and third cuts, can be used as feedstock for ethyleneIt proves that the feedstock ensures high ethylene yield and longer service lfie of cracker, thus is

Keywords： ethylene     feedstock     sources    

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Uncovering the effect of poly(ethylene-co-vinyl alcohol) molecular weight and vinyl alcohol content on

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1484-1502 doi: 10.1007/s11705-023-2331-y

Abstract: Various hydrophilic poly(ethylene-co-vinyl alcohol) (EVOH) were used herein to precisely control thePolyethylene glycol was used as a compatibilizer and as a porogen in N,N-dimethylacetamide

Keywords： polysulfone     blend modification     ultrafiltration membrane     formation hydrodynamics     poly(ethylene-co-vinyl    

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Title Author Date Type Operation

Optimization and simultaneous heat integration design of a coal-based ethylene glycol refining process

Journal Article

Modification of polycarbonateurethane surface with poly(ethylene glycol) monoacrylate and phosphorylcholine

Jing YANG,Juan LV,Bin GAO,Li ZHANG,Dazhi YANG,Changcan SHI,Jintang GUO,Wenzhong LI,Yakai FENG

Journal Article

Determination of the diffusion of poly(ethylene glycol) in polypropylene using ATR-FTIR

Hanjia CHEN, Xuhua SHI, Yafei ZHU, Yi ZHANG, Jiarui XU,

Journal Article

Polymeric micelle nanocarriers in cancer research

Dae Hwan Shin, Yu Tong Tam, Glen S. Kwon

Journal Article

Catalysis of semihydrogenation of acetylene to ethylene: current trends, challenges, and outlook

Journal Article

Thin-film composite forward osmosis membranes with substrate layer composed of polysulfone blended with PEG or polysulfone grafted PEG methyl ether methacrylate

Baicang Liu,Chen Chen,Pingju Zhao,Tong Li,Caihong Liu,Qingyuan Wang,Yongsheng Chen,John Crittenden

Journal Article

Chitosan/polyethylene glycol impregnated activated carbons: Synthesis, characterization and adsorption

Ehsan Salehi, Fereshteh Soroush, Maryam Momeni, Aboulfazl Barati, Ali Khakpour

Journal Article

Gas phase ethylene polymerization over SiO

Liuzhong LI, Aiyou HAO, Ruihua CHENG, Boping LIU

Journal Article

Effects of a dynamic membrane formed with polyethylene glycol on the ultrafiltration of natural organic

Boksoon KWON, Noeon PARK, Jaeweon CHO,

Journal Article

Polyethylene glycol-supported ionic liquid as a highly efficient catalyst for the synthesis of propylene

Rui YAO, Hua WANG, Jinyu HAN

Journal Article

Encapsulation of polyethylene glycol in cellulose-based porous capsules for latent heat storage and light-to-thermal

Journal Article

Effect of polyethylene glycol on the crystallization, rheology and foamability of poly(lactic acid) containing

Journal Article

Thermodynamic analysis of ethanol synthesis from hydration of ethylene coupled with a sequential reaction

Jie Gao, Zhikai Li, Mei Dong, Weibin Fan, Jianguo Wang

Journal Article

Cerebration and Practice of Expanded feedstock sources for Ethylene units

Cao Xianghong

Journal Article

Uncovering the effect of poly(ethylene-co-vinyl alcohol) molecular weight and vinyl alcohol content on

Journal Article