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Chinese Journal of Polymer Science 2011年第2期29卷 259-266页

作者：孔祥正 Shandong Provincial Key Laboratory of Fluorine Chemistry and chemical Materials College of Chemistry and Chemical EngineeringUniversity of Jinan

Polyurethanes（PU） were prepared using toluene diisocyanate,polypropylene glycol,ethylene glycol, dimethylolpropionic acid and triethylamine,and a siloxane modified PU（PSU） was obtained through reaction of the PU prepolymers with bis（3-（1-methoxy-2-hydroxypropoxy）propyl） terminated polysiloxanes（PMTS） of different molecular weight,specifically designed for this *** showed that,with increases in molecular weight of PMTS and its content,viscosity of the final PSU latexes decreased;phase separation of the incorporated PMTS in PSU films increased;the average particle sizes of the latexes varied between 110 nm and 330 nm,and the surface tension in the final latexes was relatively constant regardless of PMTS amount and its molecular *** was likely that copolymerized polysiloxanes had trend to enrich on top of the film when PMTS molecular weight was around 2000 and its content above 5 wt%.In general, PMTS modified polyurethane films showed higher performance than those from unmodified waterborne polyurethane latexes.

关键词： Dihydroxyalkyl polysiloxane Polyurethanes Modification

Enhanced Mineralization of p-Fluoronitrobenzene in a Methane-based Hollow-fiber Membrane Biofilm Reactor

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China Petroleum Processing & Petrochemical Technology 2021年第2期23卷 60-65页

作者： Liu Chunshuang Yu Haitong Qu Changyong Li Wei Wang Yannan Guo Yadong HanFenglei college of chemical Engineering China University of PetroleumQingdao 266580 SINOPEC jinan Refning&chemical company Jinan 250014

In this study,the enhanced mineralization of p-fluoronitrobenzene(p-FNB)was achieved in a methane-based hollow-fiber membrane biofilm reactor(CH4-MBfR).A TOC removal of 73.2%was gained in CH4-MBfR with an influent p-FNB loading of 42―84 mg/L·d,while only 40.6%of TOC was removed in the corresponding control biological reactor(BR).Moreover,the reaction rate constant for TOC removal in CH4-MBfR was 2.48 times that of the *** was only detected in CH4-MBfR,although oxidation elimination was the first step for p-FNB removal in both *** and Methylononas were dominant strains in the CH4-MBfR,which may play an important role in converting CH4 to VFAs and then further enhancing the mineralization efficiency of p-FNB.

关键词： p-fluoronitrobenzene biodegradation CH4-MBfR mineralization

Dual near-infrared AgInS2 and CuInS2 co-sensitized ZnO photoelectrode array enabled paper-based ratiometric photoelectrochemical aptasensing

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Rare Metals 2024年第12期43卷 6525-6536页

作者： Hong-Mei Yang Chuan-Yi Tu Yi-Lin Zhuang Yu-Heng Li Yu-Xin Hao Qiu-Yi Li Li-Na Zhang Jing-Hua Yu Yan Zhang School of Chemistry and chemical Engineering University of Jinan Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials University of Jinan

Herein,a dual near-infrared（NIR）-response AgInS2and CuInS2co-sensitized ZnO photoelectrode array consisting of two spatial-resolved paper working electrodes（PWE1and PWE2） was established to enable paper-based ratiometric photoelec trochemical（PEC）aptasensing of Di（2-ethylhexyl）phthalate（DEHP） based on triple-helix molecular switch（THMS）-mediated "on-off" switching of co-sensitization *** from the cosensitization of AgInS2and CuInS2on paper-based ZnO,the dual NIR-response cascade sensitization structure of AgInS2/CuInS2/ZnO exhibited a wide light response range and high charge separation efficiency,giving a "switch on" state of co-sensitization effect with markedly high photocurrent *** "switch off" state of the co-sensitization effect was made by RecJf exonuclease-assisted target recycling-induced conformation change of THMS,which caused the detachment of AgInS2quantum dots from the aptasensing interface,leading to a significantly decreased photocurrent ***,the constant I1of PWE1and varying I2of PWE2were collected based on the incubation of constant concentration of DEHP on PWE1and various concentrations of DEHP on *** ultrasensitive detection of DEHP was realized by calculating the ratio of I2/*** work brought new insights into the establishment of a high-performance paper-based ratiometric PEC aptasensing platform for highly sensitive quantification of DEHP.

关键词： AgInS2/CuInS2/ZnO co-sensitization Di(2-ethylhexyl)phthalate NIR-response Photoelectrochemical

New octadecanoid derivatives from the seeds of Ipomoea nil

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Chinese Journal of Natural Medicines 2019年第4期17卷 303-307页

作者： SONG Xiu-Qing ZHANG Jun-Sheng YU Shu-Juan YU Jin-Hai ZHANG Hua School of Chemistry and chemical Engineering University of Jinan School of Biological Science and Technology University of Jinan

Four new octadecanoid derivatives(1–4) including a pair of enantiomers(1/2), along with 12 known analogues(5–16), were isolated from the seeds of Ipomoea nil. Their structures were determined by detailed spectroscopic analyses and comparison with reported data of structurally related compounds, with the absolute configurations of 1 and 2 being assigned by an in situ dimolybdenum ECD method. Our bioassays revealed that these isolates did not show ABTS radical scavenging activity while 10 and 13 displayed better a-glucosidase inhibitory activity than the positive control acarbose(IC_(50) 167.7 ± 1.55 μmol×L^(-1)), with IC_(50) of 92.73 ± 3.12 and 11.39 ± 2.18 μmol×L^(-1), respectively.

关键词： Ipomoea nil Octadecanoid Fatty acid Natural enantiomer α-Glucosidase inhibition

Kinetic calculation for the reaction of H with Si_2H_6 using the variational transition state theory

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Science China Chemistry 2001年第6期44卷 606-615页

作者：张庆竹茹淼焱王明刚王少坤顾月姝 School of Chemistry and chemical Engineering Shandong University Jinan China

The reaction of disilane with atomic hydrogen has been studied. This reaction involves both substitution and abstraction. Calculations show that the hydrogen abstraction is the strongest competing channel. The canonical variational transition state theory with a small curvature tunneling correction (SCT) has been used for the kinetic calculation. The theoretical results are in good agreement with the available experimental data. comparing the reactions of atomic hydrogen with disilane and silane, it can be seen that the reactivity of the Si-H bond is higher in Si2H6than that in SiH4.

关键词： ab initio calculation reaction mechanism variational transition state tunneling effect rate constants

End-capped Thiophene Modulated Molecular Packing in 2,8-Dibenzothiophene-based Materials:from Face-to-face to Edge-to-face Stacking

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Chinese Journal of Structural Chemistry 2012年第1期31卷 45-50页

作者：李业新陈志 School of Chemistry and chemical Engineering University of Jinan 250022China

Two new organic crystals of 2,8-bisthienyldibenzothiophene（BTDT） and 2,8-bis-dithienyldibenzothiophene（BDTDT） compounds were successfully *** change of end-capped group from thiophene to dithiophene causes big differences in molecular packing and carrier-transport *** adjacent molecules of compound BTDT adopt face-to-face π stacking and exhibit two-dimensional interchain *** the contrary,BDTDT molecules are arranged in an edge-to-face motif and show mainly one-dimensional interacting *** packing mode exerts dramatic effect on the carrier-transport *** crystal of BTDT belongs to the orthorhombic system,space group P21212 with a = 20.1427（11）,b = 4.6016（3）,c = 8.6340（5） ,V = 800.27（8） 3,Z = 2,Dc = 1.446 g/cm3,F（000） = 360,S = 1.019,the final R = 0.0491 and wR = 0.0960 for 1605 reflections with I 2σ（I）.The crystal of BDTDT belongs to the orthorhombic system,space group P212121 with a = 7.2636（15）,b = 25.359（5）,c = 25.359 ？,V = 4670.9（14）？3,Z = 8,Dc = 1.458 g/cm3,F（000） = 2112,S = 0.880,the final R = 0.0597 and wR = 0.1318 for 8047 reflections with I 2σ（I）.

关键词： dibenzothiophene crystal structure molecular packing organic field-effect transistor

SYNTHESIS AND OPTICAL-ELECTRONIC PROPERTIES OF POLY[METHYLTETRAPHENYLPHENYLSILYLENE-co-BIS(METHYLPHENYLSILYL)ACETYLENE]

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Chinese Journal of Polymer Science 2004年第4期22卷 321-325页

作者：冯圣玉 School of Chemistry and chemical Engineering Shandong University Jinan 250100 China

Poly(methyltetraphenylphenylsilylene-co-bis(methylphenylsilyl)acetylene) (PSA) was synthesized by the cocondensation reaction of methyltetraphenylphenyldichlorosilane and bis(chloromethylphenylsilyl)acetylene with sodium in toluene. The PSA thus obtained was soluble in most organic solvents, and its molecular weight was smaller than that of poly[(disilanylene)acetylenes] with alkyl- or aryl-substitution because of the great steric congestion of tetraphenylphenyl groups. The optical and electronic properties of the polymer were investigated. The results show that PSA has strong UV absorption and fluorescence emission, the maximum UV absorption wavelength of PSA is 330 nm, which shows a considerable red-shift in comparison with that of poly(methylphenylsilylene-co-methylphenylsilylacetylene) (PSI) and alkyl- substituted poly[(disilanylene)acetylenes]. A strong photoluminescence band at 470 nm in THF and 432 nm in benzene can be observed in the visible region, respectively. Treatment of the films of PSA with I 2 vapor afforded conducting films. The conductivity of PSA thin film doped with I 2 was measured to be 0.35 S cm -1 in the air which is lower than that of poly(methyltetraphenylphenylsilylene-co-bis(methylphenylsilyl)phenylene), but higher than that of σ-π polymers without tetraphenylphenyl groups. As an explanation, the tetraphenylphenyl group is a large π-electron-conjugated group; after being introduced to the Si atoms of the polysilanes, the interaction between π-electrons of the tetraphenylphenyl groups and the σ- electrons conjugated along the Si—Si bonds is increased strongly, and the σ-electrons can be conjugated more extensively along the main chain of the polysilanes.

关键词： Polysilane Synthesis Tetraphenylphenyl group Optical-electronic properties

Hydrochloric Acid-Promoted Synthesis of cBN via Hydrothermal Route

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Journal of Materials Science & Technology 2007年第6期23卷 768-770页

作者： Haihui JIANG Kai LI Ligang GAI Qilong WANG Deliang CUI Minhua JIANG State Key Lab of Crystal Materials Shandong University Jinan 250100 China School of Chemistry and chemical Engineering Shandong University Jinan 250100 China School of chemical Engineering Shandong Institute of Light Industry Jinan 250353 China

Single phase crystalline cubic boron nitride （cBN） with high yield was prepared by hydrothermal route at low temperature, using hydrochloric acid （HCI） as the promoter. The promotion effect of HCI on the synthesis... 详细信息

关键词： Hydrochloric acid-promoted Cubic boron nitride Hydrothermal route

Thermodynamic equilibrium diagram of the chlorine-titanium system

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Rare Metals 2005年第4期24卷 313-316页

作者： DU Ailing GUO Xiaofei ZHANG Heming LIU Jiang School of Chemistry and chemical Engineering Shandong University Jinan 250061 China

The chemical and electrochemical equilibria of the chlorine-titanium system in the presence of gaseous phase were investigated. Many species, which consisted of chlorine and titanium, were considered. Various thermodynamic equilibria were calculated in the different pressures at different temperatures. The calculated results were shown as log p-1/Tand E-T diagrams. These diagrams may be used as important tools for corrosion study and titanium production. The diagrams are also used to thermodynamically determine the existence areas of various species and so on.

关键词： physical chemistry thermodynamic equilibrium equilibrium diagram chlorine-titanium system

Highly effective visible-photocatalytic hydrogen evolution and simultaneous organic pollutant degradation over an urchin-like oxygen-doped MoS_(2)/ZnIn_(2)S_(4)composite

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Frontiers of Environmental Science & Engineering 2022年第10期16卷 77-89页

作者： Tao Yan Qianqian Yang Rui Feng Xiang Ren Yanxia Zhao Meng Sun Liangguo Yan Qin Wei School of Water conservancy and Environment University of JinanJinan 250022China Key Laboratory of Interfacial Reaction&Sensing Analysis in Universities of Shandong School of Chemistry and Chemical EngineeringUniversity of JinanJinan 250022China

Achieving hydrogen production and simultaneous decomposition of organic pollutants through dual-functional photocatalytic reactions has received increasing attention due to the environmentally friendly and cost-effective characteristics of this *** this work,an urchin-like oxygen-doped MoS_(2)/ZnIn_(2)S_(4)(OMS/ZIS)composite was fabricated for the first time using a simple solvothermal *** unique microstructure with abundant active sites and fast charge transfer channels further shortened the charge migration distance and compressed carrier *** obtained composite exhibited an efficient H2 evolution reaction rate of 12.8 mmol/g/h under visible light,which was nearly times higher than pristine ZnIn_(2)S_(4),and the apparent quantum efficiency was 14.9%(420 nm).The results of the simultaneous photocatalytic H2 evolution and organic pollutant decomposition test were satisfactory,resulting in decomposition efficiencies of resorcinol,tetracycline,and bisphenol A that reached 41.5%,63.5%,and 53.0%after 4 h,respectively,and the highest H2 evolution rate was 672.7 umol/g/h for bisphenol ***,natural organic matter(NOM)abundantly found in actual water was adopted as an electron donor for H production under simulated sunlight irradiation,indicating the promising practicability of simultaneous hydrogen evolution and NOM ***,the mechanisms of the dual-purpose photocatalytic reactions,as well as the synergistic effect between the molecular structures of the organic pollutants and the corresponding adsorption behavior on the photocatalyst surface were illustrated in *** obtained results may serve as an inspiration for the rational design of highly efficient,dual-functional photocatalysts in the future.

关键词： Dual-functional photocatalystsOxygen-doped MoS_(2)/ZnIn_(2)S_(4)evolutionOrganic pollutant