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Metal cation removal by P(VC-r-AA) copolymer ultrafiltration membranes

Nachuan Wang, Jun Wang, Peng Zhang, Wenbin Wang, Chuangchao Sun, Ling Xiao, Chen Chen, Bin Zhao, Qingran Kong, Baoku Zhu

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 262-272 doi: 10.1007/s11705-017-1682-7

Abstract: A series of amphiphilic copolymers containing poly(vinyl chloride-r-acrylic acid) (P(VC-r-AA) ) was synthesizedThe copolymer P(VC-r-AA) chains did not dissolved in a coagulation bath, indicating that the AA segments

Keywords： poly(vinyl chloride-r-acrylic acid)     negatively charged PVC membrane     anti-fouling     heavy metal adsorption    

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Preparation and swelling properties of a starch-g-poly(acrylic acid)/organo-mordenite hydrogel composite

Yan Zhang,Pingqiang Gao,Lin Zhao,Yizhong Chen

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 1,   Pages 147-161 doi: 10.1007/s11705-015-1546-y

Abstract: A novel hydrogel composite was prepared via inverse suspension polymerization using starch, acrylic aciddiffraction spectroscopy, scanning electron microscopy, and energy dispersive spectroscopy confirmed that the acrylicacid was grafted onto the backbone of the corn starch, that the organo-mordenite participated in the

Keywords： hydrogel composite     environmental-responsiveness     organo-mordenite     starch     acrylic acid    

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Insight of chemical environmental risk and its management from the vinyl chloride accident

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 4, doi: 10.1007/s11783-023-1652-x

Abstract: The combustion of vinyl chloride (VC) after the train derailment accident in Ohio, USA in February, 2023

Keywords： Vinyl chloride     Combustion     Chemical safety management     Environmental risk     Emerging contaminants    

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Nanosilver anchored alginate/poly(acrylic acid/acrylamide) double-network hydrogel composites for efficient

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 7,   Pages 893-905 doi: 10.1007/s11705-022-2290-8

Abstract: A novel alginate/poly(acrylic acid/acrylamide) double-network hydrogel composite with silver nanoparticles

Keywords： double-network hydrogel     dye degradation     silver nanoparticles     alginate    

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Progress on cleaner production of vinyl chloride monomers over non-mercury catalysts

Jinli ZHANG, Nan LIU, Wei LI, Bin DAI

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 514-520 doi: 10.1007/s11705-011-1114-z

Abstract: Polyvinyl chloride (PVC) has become the third most used plastic after polyethylene and polypropylenePolyvinyl chloride is produced by polymerization of the vinyl chloride monomer (VCM), which is manufacturedHowever, the industrial production of VCM utilizes a mercuric chloride catalyst to promote the reactionof acetylene and hydrogen chloride.During the hydrochlorination, the highly toxic mercuric chloride tends to sublime, resulting in the deactivation

Keywords： polyvinyl chloride     vinyl chloride monomer     acetylene hydrochlorination     non-mercury catalysts     green chemical    

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Molecular diffusion in ternary poly(vinyl alcohol) solutions

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 1003-1016 doi: 10.1007/s11705-021-2121-3

Abstract: The diffusion kinetics of a molecular probe—rhodamine B—in ternary aqueous solutions containing poly(vinyl alcohol), glycerol, and surfactants was investigated using fluorescence correlation spectroscopyFor ternary poly(vinyl alcohol) solutions containing cationic or anionic surfactant, surfactant–polymer

Keywords： fluorescence correlation spectroscopy     poly(vinyl alcohol)     anomalous diffusion     crowding effects     dynamic    

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Deposition of copper nanoparticles on multiwalled carbon nanotubes modified with poly (acrylic acid)

Li SHENG,Shuhang HUANG,Minghao SUI,Lingdian ZHANG,Lei SHE,Yong CHEN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 625-633 doi: 10.1007/s11783-014-0711-8

Abstract: novel hybrid material, Cu-PAA/MWCNTs (copper nanoparticles deposited multiwalled carbon nanotubes with poly(acrylic acid) as dispersant, was prepared and expected to obtain a more effective and well-dispersed

Keywords： multiwalled carbon nanotubes     copper nanoparticles     antimicrobial activity     Escherichia coli (E. coil)    

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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 theParticularly, to prepare pristine PSF and PSF/EVOH blends with increasing vinyl alcohol (VOH: 73%, 68%

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

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Carcinogens that induce the A:T>T:A nucleotide substitutions in the genome

Guangbiao Zhou, Xinchun Zhao

Frontiers of Medicine 2018, Volume 12, Issue 2,   Pages 236-238 doi: 10.1007/s11684-017-0611-y

Abstract: Recently, Ng . reported that the A:T>T:A substitutions, proposed to be a signature of aristolochic acidHowever, other carcinogens, e.g., tobacco carcinogens 4-aminobiphenyl and 1,3-butadiene, air toxic vinylchloride and its reactive metabolites chloroethylene oxide, melphalan and chlorambucil, also cause thisSince tobacco smoke is a worldwide public health threat and vinyl chloride distributes globally and is

Keywords： genomic signature     carcinogen     aristolochic acid     tobacco smoke     vinyl chloride     hepatocellular carcinoma    

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Synergistic scale inhibition of polyaspartic acid composite with magnetic field

LIU Zhenfa, WANG Yanji, GAO Yuhua, ZHANG Lihui

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 261-265 doi: 10.1007/s11705-007-0047-z

Abstract: Polyaspartic acid (PASP) composite, a scale inhibitor, was prepared from PASP, itaconic acid–acrylicacid–acrylic ester (IA-AA-AE) terpolymer and 2-phosphonobutane- 1,2,4-tricarboxylic acid (PBTCA).

Keywords： synergism     magnetic     PBTCA     dynamic     acid–acrylic acid–acrylic    

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Genomic and metabolomic analysis of with enhanced poly--glutamic acid production through atmospheric

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1751-1760 doi: 10.1007/s11705-022-2211-x

Abstract: Poly-γ-glutamic acid is an extracellular polymeric substance with various applications owing toHowever, the ability of natural strains to produce poly-γ-glutamic acid is low.-γ-glutamic acid was obtained.-γ-glutamic acid production.The maximum poly-γ-glutamic acid yield of 14.08 g·L–1 was finally reached with 30 g

Keywords： ARTP mutagenesis     Bacillus licheniformis     poly-γ-glutamic acid     metabolomics    

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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: In this study, the rheological properties, crystallization and foaming behavior of poly(lactic acid)suggested that the polyamide 6 nanofibrils and polyethylene glycol had a synergistic effect on accelerating poly(lactic acid) crystallization.Furthermore, the poly(lactic acid)/polyamide 6 foams exhibited a higher cell density and expansion ratio

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

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Decomposition of perfluorooctanoic acid by microwave-activated persulfate: Effects of temperature, pH, and chloride ions

Yuchi LEE, Shanglien LO, Jeff KUO, Chinghong HSIEH

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 17-25 doi: 10.1007/s11783-011-0371-x

Abstract: Microwave-hydrothermal treatment of persistent and bioaccumulative perfluorooctanoic acid (PFOA) in waterThe objectives of this study were to investigate the effects of pH (pH= 2.5, 6.6, 8.8, and 10.5), chlorideBoth high pH and chloride concentrations would result in more scavenging of sulfate free radicals andWhen chloride concentrations were less than 0.04 mol·L at 90°C and 0.06 mol·L at 60°C, presence ofchloride ions had insignificant impacts on PFOA degradation.

Keywords： microwave     perfluorooctanoic acid     pH     persulfate     chloride ions     perfluorocarboxylic acids    

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Controlled drug release of 5-amino salicylic acid by poly(2-hydroxyethylmethacrylate) grafted agar

G. Usha RANI,Kartick Prasad DEY,Srijita BHARTI,Sumit MISHRA

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 465-470 doi: 10.1007/s11705-014-1452-8

Abstract: The utilization of poly (2-hydroxyethylmethacrylate) grafted agar (Ag-g-P(HEMA)) as a matrix for thecontrolled release of 5-aminosalicylic acid was investigated.

Keywords： agar     controlled drug release     5-Amino salicylic acid     poly(2-hydroxyethylmethacrylate) grafted agar    

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Synthesis of poly(maleic acid alkylamide-

Jingjing XU, Jun XU, Jie SUN, Shili XING, Li LI, Xuhong GUO

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 74-78 doi: 10.1007/s11705-010-0542-5

Abstract: the flow ability of crude oil with high content of aromatic asphaltenes, new comb-type copolymers of poly

Keywords： comb-polymers     styrene     paraffin     crystallization     flow ability    

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Title Author Date Type Operation

Metal cation removal by P(VC-r-AA) copolymer ultrafiltration membranes

Nachuan Wang, Jun Wang, Peng Zhang, Wenbin Wang, Chuangchao Sun, Ling Xiao, Chen Chen, Bin Zhao, Qingran Kong, Baoku Zhu

Journal Article

Preparation and swelling properties of a starch-g-poly(acrylic acid)/organo-mordenite hydrogel composite

Yan Zhang,Pingqiang Gao,Lin Zhao,Yizhong Chen

Journal Article

Insight of chemical environmental risk and its management from the vinyl chloride accident

Journal Article

Nanosilver anchored alginate/poly(acrylic acid/acrylamide) double-network hydrogel composites for efficient

Journal Article

Progress on cleaner production of vinyl chloride monomers over non-mercury catalysts

Jinli ZHANG, Nan LIU, Wei LI, Bin DAI

Journal Article

Molecular diffusion in ternary poly(vinyl alcohol) solutions

Journal Article

Deposition of copper nanoparticles on multiwalled carbon nanotubes modified with poly (acrylic acid)

Li SHENG,Shuhang HUANG,Minghao SUI,Lingdian ZHANG,Lei SHE,Yong CHEN

Journal Article

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

Journal Article

Carcinogens that induce the A:T>T:A nucleotide substitutions in the genome

Guangbiao Zhou, Xinchun Zhao

Journal Article

Synergistic scale inhibition of polyaspartic acid composite with magnetic field

LIU Zhenfa, WANG Yanji, GAO Yuhua, ZHANG Lihui

Journal Article

Genomic and metabolomic analysis of with enhanced poly--glutamic acid production through atmospheric

Journal Article

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

Journal Article

Decomposition of perfluorooctanoic acid by microwave-activated persulfate: Effects of temperature, pH, and chloride ions

Yuchi LEE, Shanglien LO, Jeff KUO, Chinghong HSIEH

Journal Article

Controlled drug release of 5-amino salicylic acid by poly(2-hydroxyethylmethacrylate) grafted agar

G. Usha RANI,Kartick Prasad DEY,Srijita BHARTI,Sumit MISHRA

Journal Article

Synthesis of poly(maleic acid alkylamide-

Jingjing XU, Jun XU, Jie SUN, Shili XING, Li LI, Xuhong GUO

Journal Article