http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
RAJANGAMVINODH,Aziz Abidov,Muthiah Pillai Palanichamy,차왕석,장현태 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.65 No.-
Herein, we report a solid matrix of amino alkyl siloxane of porous nature with alkyl groups thoroughly distributed in the matrix by constrained growth technique; this sorbent is ideal for CO2 sorption. The sorbent exhibits higher sorption (4 mmol CO2/g), and selectivity to CO2. It is enriched with voids, and exhibits adequate thermal stability. Adsorption occurred below 100 °C, while desorption occurred between 100 and 200 °C. When the sorbent underwent both sorption and desorption of CO2, a sharp enthalpy change was observed; such an enthalpy change is a crucial characteristic of cyclic sorption desorption (CSD).
RAJANGAMVINODH,장현태,Aziz Abidov,Mei Mei Peng,CADIAM MOHAN BABU,Muthiah Pillai Palanichamy,차왕석 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.32 No.-
In this paper we report a semiconducting porous carbon material for supercapacitor application. Semiconducting carbon material was prepared by two step method. First, hypercross-linked polymers(HCPs) of phloroglucinol and a,a0-dichloro-p-xylene was prepared by a simple Friedel Crafts alkylation,and second, the synthesized microporous HCPs was subjected into carbonization at 700 8C in a heliumatmosphere. The carbonized sample was characterized into cyclic voltammetry, galvanostatic charge–discharge and electrochemical impedance spectroscopy in 1 M sodium sulphate aqueous solution forsupercapacitor applications. The specific capacitance of carbonized materials is found to be 86 F g 1 at acurrent density of 0.1 A g 1.
Mani Ganesh,Abidov Sch Aziz,Udumansha Ubaidulla,Pushparaj Hemalatha,Arthanari Saravanakumar,Rramaswamy Ravikumar,Mei Mei Peng,최은영,장현태 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.39 No.-
Novel silver nanoparticles-decorated chitosan (CS)-polyvinyl alcohol (PVA) composite electrospunnanofibers, loaded with sulfanilamide for enhanced wound healing have been developed. Herein, formicacid was used as a reducing agent to produce in situ colloidal silver nanoparticles (AgNPs) in thecomposite polymeric solution with the active agent sulfanilamide. The prepared electrospun fiberswere characterized using scanning electron microscopy (SEM), transmission electron microscopy (TEM),X-ray diffraction, ultraviolet spectroscopy, and thermal gravimetric analysis (TG). Further, in vitrorelease, antimicrobial properties and in vivo wound healing activity were evaluated. The results revealedthat the composite fibers displayed a synergistic antibacterial and wound healing activities.
A Novel Route to Synthesize Hypercross-linked Conjugated Polystyrene for CO₂ Sorption
Rajangam Vinodh(라자감 비노드),Aziz Abidov(아비도프 아지즈),Mei Mei Peng(펭메이메이),Cadiam Mohan Babu(칸디암 모한 바부),Muthiahpillai Palanichamy(무따이 팔라리차미),Wang Seog Cha(차왕석),Hyun-Tae Jang(장현태) 한국산학기술학회 2015 한국산학기술학회 학술대회 Vol.2015 No.1
Polystyrene is cross-linked to generate micropores for sorption applications. Herein, we report for the first time, hypercross-linking of polystyrene in the presence of Friedel-Crafts catalyst, FeCl3 without a cross-linker. For comparison, polystyrene was also hypercross-linked with a cross-linker, dimethoxy methane with the same catalyst. The cross-linking and de-hydrogenation of cross-links to quinonoid formation were confirmed by FT-IR and 13C-NMR techniques. The hyper cross-linked polymers (HCPs) were also characterized by TGA, DRS-UV, SEM, BET and CO₂ sorption techniques. All the HCPs showed a maximum of 5 weight % CO₂ sorption at 25 °C and 1 atm. The same polymers could also be applied for the sorption of other air pollutants.
RAJANGAMVINODH,정의민,Mani Ganesh,Mei Mei Peng,Aziz Abidov,Muthiah Pillai Palanichamy,차왕석,장현태 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.21 No.1
We synthesized highly porous hypercross-linked polymers of (4, 40-bis ((chloromethyl)-1, 10-biphenylbenzylchloride)) [designated as HCP-BCMB] and (1, 3, 5-triphenyl benzene-1, 4-bis (chloromethyl)benzene) [designated as HCP-TPB] as sorbents for the removal of volatile organic compounds such aschloroform, toluene and ethyl methyl ketone under humidified conditions. The micro-porous nature ofthe hypercross-linked polymers (pore diameter 0.8 nm) was confirmed by Brunner–Emmet–Teller (BET)and scanning electron microscopy (SEM) techniques. HCP-TPB showed a maximum adsorption of 32.8wt% for toluene. In addition, both the HCPs exhibited CO2 adsorption close to 6 wt% at 25 8C and 1 atm.
Hypercross-linked lignite for NOx and CO2 sorption
RAJANGAMVINODH,김대경,Mani Ganesh,Mei Mei Peng,Aziz Abidov,N. Krishnamurthy,Muthiah Pillai Palanichamy,차왕석,장현태 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.23 No.-
We are reporting for first time, hypercross-linking of lignite for the sorption of NOx and CO2. Hypercross- linking was carried out with dimethoxy methane. The CO2 sorption capacity of hypercross-linked lignite coal was approximately three fold higher than the virgin coal at 313 K and 1 atm. 29 wt% of NOx adsorption was observed at 298 K and 1 atm. Both the lignite and its hypercross-linked forms were characterized by Fourier transform infra red (FTIR), diffuse reflectance ultra violet–vis (DRS UV–vis) spectroscopy, thermogravimetric analysis (TGA), scanning electron microscopy (SEM), Brunauer Emmet Teller (BET) adsorption isotherm and x-ray diffraction (XRD) studies.
Preparation and characterization of RGO‑incorporated hypercross‑linked polymers for CO2 capture
Rajangam Vinodh,Cadiam Mohan Babu,Aziz Abidov,Muthiahpillai Palanichamy,Wang Seog Cha,Hyun Tae Jang 한국탄소학회 2019 Carbon Letters Vol.29 No.1
The growing demand for nano-structured composite materials and sustainable processes for next generation CO2 capture technologies has necessitated the need to develop novel and cost-effective synthetic routes for solid CO2 adsorbents based on hypercross-linked polymers (HCPs) and reduced graphene oxide (RGO) microporous sorbent materials with improved physico-chemical properties. The most important selection is modification of the synthesized microporous sorbent materials by the incorporation of RGO, giving rise to composite materials that combine the properties of both. These hybrid materials will be of great potential for carbon capture and storage (CCS) applications, especially for post-combustion CO2 capture, owing to the increase in CO2 capturing efficiency and selectivity to CO2 compared to other flue gases. Herein, we report a facile and effective approach for fabrication of HCPs-supported reduced graphene oxide composites. The microporous HCPs was synthesized using 4,4′-bis(chloromethyl)-1,1′-biphenyl monomer by Friedel–Crafts alkylation. The RGO was prepared by modified Hammers method. The as-synthesized composites were characterized by TEM, SEM, FTIR, TGA and N2 adsorption–desorption isotherm. The HCP/RGO composite showed maximum CO2 adsorption of 5.1 wt% than the HCPs alone at 40 °C and 1 atm.