• emad soliman professor researchgate

    EMAD SOLIMAN Professor ResearchGate

    Superabsorbent hydrogels were prepared by grafting copolymerization of cross-linked polyacrylamide chains onto carboxymethyl cellulose (CMC) via a free radical polymerization method. These graft

  • graft copolymerization of acrylic acid onto gelatinized

    Graft copolymerization of acrylic acid onto gelatinized

    Graft copolymerization of acrylic acid onto gelatinized patato starch for removal of metal ions and organic dyes from aqueous system Deepak Pathania*, Reena Sharma and

  • controlled synthesis of modified polyacrylamide grafted

    Controlled synthesis of modified polyacrylamide grafted

    2018-06-20· Abstract. Polyacrylamide grafted onto silica nanoparticles (nano-SiO 2-g-PAAm) was prepared through “grafting to” approach via controlled reversible addition-fragmentation chain transfer (RAFT) polymerization system with defined molecular weight and graft density.Modification of the nano-SiO 2-g-PAAm with ethanolamine and subsequent reaction with chlorodiphenylphosphine (ClPPh 2)

  • graft copolymerisation of acrylamide on

    GRAFT COPOLYMERISATION OF ACRYLAMIDE ON

    GRAFT COPOLYMERISATION OF ACRYLAMIDE ON CARBOXYMETHYL CELLULOSE (CMC) Abel Tame 1, The graft levels and molecular weights of grafted polyacrylamide chains on CMC were higher than those obtained on cellulose. Increases in graft levels of up to 70% and 50% for graft copolymer involving CMC with DS 0.215 and 0.120 respectively were observed. The grafting frequencies of polyacrylamide

  • synthesis, characterization of acrylamide grafted chitosan

    Synthesis, characterization of acrylamide grafted chitosan

    The starting point of this work was to study the effect of monomer concentration on the grafting of acrylamide (AA) onto Chitosan. The percentage of grafting was calculated as follows: PG = W P W A × 100 where PG is the percentage of grafting %, W P is the

  • ultrasound assisted polyacrylamide grafting on nano

    Ultrasound assisted polyacrylamide grafting on nano

    Polyacrylamide (PAM) was grafted onto Nanofibrillated cellulose (NFC) using an ultrasound assisted mild chemical method. • The reaction was accordingly optimized with respect to monomer, initiator, thermal and sound energy inputs. • The grafting was further

  • synthesis and characterization of amylopectin-grafted

    Synthesis and Characterization of Amylopectin-grafted

    i Synthesis and Characterization of Amylopectin-grafted Polyacrylamide (AP-g-PAM) Flocculants for Dewatering of Oil Sands Mature Fine Tailings (MFT) by Behnaz Bazoubandi A thesis submitted in partial fulfillment of the requirements for the degree of

  • universiti putra malaysia synthesis, characterization

    UNIVERSITI PUTRA MALAYSIA SYNTHESIS, CHARACTERIZATION

    SYNTHESIS, CHARACTERIZATION AND APPLICATION OF POLYACRYLAMIDE GRAFTED SAGO STARCH FOR COAGULATION AND FLOCCULATION PROCESSES BY ISAM YASSIN M. QUDSIEH Thesis Submitted to the School of Graduate Studies, Universiti Putra Malaysia in Fulfilment of the Requirements for the Degree of Doctor of Philosophy January 2006

  • preparation of copolymers of acrylic acid and acrylamide

    Preparation of Copolymers of Acrylic Acid and Acrylamide

    Preparation of Copolymers of Acrylic Acid and Acrylamide for Copper (II) Capture from Aqueous Solutions by Yudong Zhang A thesis presented to the University of Waterloo in fulfillment of the thesis requirement for the degree of Master of Applied Science in Chemical Engineering Waterloo, Ontario, Canada, 2009 ©Yudong Zhang 2009

  • gradient and patterned polymer brushes by photoinitiated

    Gradient and patterned polymer brushes by photoinitiated

    More than 2 decades of active investigations in the field of polymer brushes have revealed continuous and growing interest in different aspects of synthesis, properties, and applications of tethered polymers....

  • extraction, characterization and application of

    EXTRACTION, CHARACTERIZATION AND APPLICATION OF

    extracted cellulose. For grafting synthesis study, the highest grafting percentage was achieved at 170%. The best grafted sample (i.e. highest percentage) then was characterized using SEM and FTIR. The PAM was successfully grafted onto the backbone of cellulose as confirmed by SEM and FTIR results. The grafting

  • synthesis and application of polyacrylamide grafted

    SYNTHESIS AND APPLICATION OF POLYACRYLAMIDE GRAFTED

    (COD) and colour. In this study, a new polyacrylamide grafted onto magnetic cellulose extracted from oil palm empty fruit bunch (PAM-g-mcOPEFB) was successfully synthesised by using a microwave assisted synthesis method. The physical and chemical properties of

  • synthesis, characterization and application

    Synthesis, Characterization and Application

    Graft copolymerization of polyacrylamide (PAm) onto sago starch (S.S), S.S-g-PAml, SS-g-PAm2, S.S-g-PAm3, and S.S-g-PAm4, were carried out by a free radical initiation using cerri

  • molecular architecture requirements for polymer-grafted

    Molecular architecture requirements for polymer-grafted

    Using slump tests of ordinary Portland cement pastes, we show that polyacrylamide-grafted lignin prepared via reversible addition-fragmentation chain transfer polymerization can reduce the yield stress of cement paste to similar levels as a leading commercial polycarboxylate ether superplasticizer at concentrations ten-fold lower, although the

  • csiro publishing the appea journal

    CSIRO PUBLISHING The APPEA Journal

    The graft-copolymers-based flocculants were prepared using a potassium persulfate initiator solution made by grafting copolymerisation of polyacrylamide onto polysaccharide backbones (starch, guar gum and amylose) in our laboratory. The synthesised graft copolymers have been characterised using various instrumental methods of analysis. The

  • polyacrylamide hydrogel grafted onto polyethylene

    Polyacrylamide hydrogel grafted onto polyethylene

    Abstract. This study was invented to provide a cheaper alternative filter material for oil/water separation application. Polyethylene terephthalate (PET) textiles with diameter of

  • rouhollah soleyman google scholar citations

    Rouhollah Soleyman Google Scholar Citations

    Synthesis and swelling behavior of a new superabsorbent hydrogel network based on polyacrylamide grafted onto salep A Pourjavadi, GR Bardajee, R Soleyman Journal of applied polymer science 112 (5), 2625-2633,2009

  • surface-selective and controllable photo-grafting

    Surface-selective and Controllable Photo-grafting

    photo-initiator benzophenone (BP) was introduced onto the membrane surface via an aminolysis reaction with diethyl ethylenediamine (DEEDA). The reaction conditions have been optimized. The proposed grafting mechanism was verified by the significant difference in degree of grafting (DG) between original and aminolysed membranes. In

  • alexander sidorenko phd university of the sciences

    Alexander Sidorenko PhD University of the Sciences

    Alexander Sidorenko PhD. Associate Professor of Chemistry. Education. BS/MS (Franco National University of Lviv) PhD (National Academy of Sciences of Ukraine) Research Interests. Synthesis of polymers and biopolymers. Design and modification of thin films. Nanostructured and hybrid (""smart"") materials. Synopsis. The physico-chemical phenomena at interphases and nnanostructured materials

  • polymer brushes respond to heat august 1, 2005 issue

    Polymer Brushes Respond To Heat August 1, 2005 Issue

    Advanced Search; Welcome, Logout × Go

  • surface and anti-fouling properties of a polyampholyte

    Surface and anti-fouling properties of a polyampholyte

    ATR-FTIR and contact angle measurements confirmed the grafting of the thin-film polyampholyte hydrogel onto the PES membranes and demonstrated that this grafting increased the hydrophilicity of the membrane surface. Increasing the UV irradiation time increased the DG and yielded a thicker modification layer, as demonstrated by SEM and AFM

  • ghasem rezanejade bardajee google scholar citations

    Ghasem Rezanejade Bardajee Google Scholar Citations

    Irradiation mediated synthesis of a superabsorbent hydrogel network based on polyacrylamide grafted onto salep GR Bardajee, A Pourjavadi, R Soleyman, N Sheikh Nuclear Instruments and Methods in Physics Research Section B: Beam ,2008

  • molecular architecture requirements for polymer-grafted

    Molecular architecture requirements for polymer-grafted

    Using slump tests of ordinary Portland cement pastes, we show that polyacrylamide-grafted lignin prepared via reversible addition-fragmentation chain transfer polymerization can reduce the yield stress of cement paste to similar levels as a leading commercial polycarboxylate ether superplasticizer at concentrations ten-fold lower, although the

  • polyacrylamide hydrogel grafted onto polyethylene

    Polyacrylamide hydrogel grafted onto polyethylene

    Abstract. This study was invented to provide a cheaper alternative filter material for oil/water separation application. Polyethylene terephthalate (PET) textiles with diameter of

  • grafting of methacrylamide onto cotton yarn part i

    Grafting of Methacrylamide onto Cotton Yarn Part I

    Methacrylamide (MAam) as a reactive monomer was directly grafted onto cotton yarns using a KMnO 4 -HNO 3 redox system by chemical initiation technique. The major factors affecting polymerization of MAam, such as KMnO 4, nitric acid and MAam concentration as well as the reaction time (duration) and temperature of the polymerization were studied.This was done to establish the optimum conditions

  • nanobiointerfaces: chemnanomat: vol 2, no 5

    Nanobiointerfaces: ChemNanoMat: Vol 2, No 5

    By optimizing the amount of grafted PIPAAm, the resulting PIPAAm‐TX‐PSt successfully exhibited characteristics of a temperature‐responsive cell culture surface (TRCS). In addition, a stripe micropatterned polyacrylamide area was successively formed onto the photoirradiated PIPAAm‐TX‐PSt surface by using a chromium‐photomask.

  • characterization of polyacrylamide-grafted sodium

    Characterization of polyacrylamide-grafted sodium

    Characterization of polyacrylamide-grafted sodium alginate A novel polymeric flocculant. код для вставки ) Скачать

  • high performance polymeric flocculants based on modified

    High performance polymeric flocculants based on modified

    2012-01-04· Highlights In this study we have developed novel polymeric flocculants. Flocculants are controlled biodegradable and based on modified polysaccharides. Graft copolymer synthesized by microwave assisted method is the best. With the increase in

  • alexander sidorenko phd university of the sciences

    Alexander Sidorenko PhD University of the Sciences

    Alexander Sidorenko PhD. Associate Professor of Chemistry. Education. BS/MS (Franco National University of Lviv) PhD (National Academy of Sciences of Ukraine) Research Interests. Synthesis of polymers and biopolymers. Design and modification of thin films. Nanostructured and hybrid (""smart"") materials. Synopsis. The physico-chemical phenomena at interphases and nnanostructured materials

  • polymer brushes respond to heat august 1, 2005 issue

    Polymer Brushes Respond To Heat August 1, 2005 Issue

    Advanced Search; Welcome, Logout × Go

  • characterization of polyacrylamide-grafted sodium

    Characterization of polyacrylamide-grafted sodium

    Characterization of polyacrylamide-grafted sodium alginate A novel polymeric flocculant. код для вставки ) Скачать

  • tough bonding of hydrogels to diverse nonporous surfaces

    Tough Bonding of Hydrogels to Diverse Nonporous Surfaces

    Grafted TMSPMA has a methacrylate terminal group which can copolymerize with the acrylate groups in either AAm or PEGDA under free radical polymerization process, generating chemically anchored long-chain polymer network onto various solid surfaces 40. Since the long-chain polymer networks in hydrogels are chemically anchored onto solid

  • publications prof. dr. holger schönherr

    Publications Prof. Dr. Holger Schönherr

    Enhanced removal of methylene blue and methyl violet dyes from aqueous solution using a nanocomposite of hydrolyzed polyacrylamide grafted xanthan gum and incorporated nanosilica ACS Applied Materials & Interfaces, 2014, 6, 4766–4777. Mohammad Raoufi and Holger Schönherr

  • department of textile technology

    Department of Textile Technology

    Publications [ Journals 136, Conferences 237, Patents 21, Books-11 ] IN JOURNALS. 2019. Influence of Surfactant on the Patterning Behavior of Nanosilver within Polyacrylamide Nanogels S. Anjum, S. Patra, B. Gupta Adv. Mat. Lett., 2019, 10, 78 Preparation of pH-sensitive hydrogels by graft polymerization of itaconic acid on Tragacanth gumC.

  • profile page for: huining xiao unb

    Profile page for: Huining Xiao UNB

    Yuanfeng Pang, Anna Zheng, Huining Xiao, Fuzeng Hu, “Study on PP grafted with ULP containing rare earth”, Materials Letters 60 (11): 1383-1386(2006). Ningjing Wu, Likan Huang, Anna Zheng, Huining Xiao, “Surface Properties of Block and Graft Polystyrene-Polydimethylsiloxane Copolymers”, J of Appl. Polym Sci. V. 99, 2936-2942(2006).

  • synthesis and properties of polyacrylamide-starch graft

    Synthesis and Properties of Polyacrylamide-Starch Graft

    Synthesis and Properties of Polyacrylamide-Starch Graft Copolymers † Authors. Professor Dr. A. Hebeish, National Research Centre, Textile Research Division, Dokki, Cairo (Egypt) Search for more papers by this author. Dr. A. Bayazeed, National Research Centre, Textile

  • acrylamide-grafted-acacia gum polymer matrix tablets

    Acrylamide-grafted-acacia gum polymer matrix tablets

    Acrylamide-grafted-acacia gum polymer matrix tablets as erosion-controlled drug delivery systems. код для вставки

  • polyacrylamide hydrogel grafted onto polyethylene

    Polyacrylamide hydrogel grafted onto polyethylene

    Abstract. This study was invented to provide a cheaper alternative filter material for oil/water separation application. Polyethylene terephthalate (PET) textiles with diameter of

  • thermo-thickening behavior and its mechanism in a

    Thermo-thickening behavior and its mechanism in a

    A novel thermo-thickening behavior of a chitosan-g-polyacrylamide (CS-g-PAM, GPAM) aqueous solution is reported for the first time in this work. The viscosity of GPAM aqueous solutions significantly increases above a critical temperature upon heating, as observed in

  • prof jane catherine ngila google scholar citations

    Prof Jane Catherine Ngila Google Scholar Citations

    This "Cited by" count includes citations to the following articles in Scholar. The ones marked * may be different from the article in the profile.

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