Search Results - "Kebir, Nasreddine"
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In-Depth Kinetic Modeling and Chemical Analysis for the Epoxidation of Vegetable Oils in a Liquid–Liquid–Solid System
Published in Catalysts (01-01-2023)“…A heterogeneous catalyst for producing epoxidized vegetable oils, an important intermediate in the production of non-isocyanate polyurethanes, is essential for…”
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2
Green synthesis process of a polyurethane-silver nanocomposite having biocide surfaces
Published in Polymer journal (01-12-2012)“…Silver nanoparticles were prepared by microwave irradiation of a silver nitrate (AgNO 3 ) aqueous solution in poly(ethylene glycol) (PEG) in the absence of…”
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3
Nonisocyanate thermoplastic polyurethane elastomers based on poly(ethylene glycol) prepared through the transurethanization approach
Published in Journal of applied polymer science (05-12-2017)“…ABSTRACT Nonisocyanate thermoplastic polyurethane elastomers (NIPUs) were synthesized with the transurethanization approach. Dimethyl dicarbamates (DCs) were…”
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Non-isocyanate thermoplastic polyureas (NIPUreas) through a methyl carbamate metathesis polymerization
Published in European polymer journal (01-11-2017)“…[Display omitted] •Non isocyanate Polyureas (NIPUreas) were prepared using a new chemical approach.•Biosourced dimethyl carbamates were prepared from diamines…”
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5
Antibacterial properties of metal and PDMS surfaces under weak electric fields
Published in Surface & coatings technology (25-07-2020)“…The adhesion of several species of bacteria on two parallel rectangular electrodes under weak electric fields was studied. The electrodes were based on native…”
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Polyurethane coatings from formulations with low isocyanate content using a transurethane polycondensation route
Published in Polymer (Guilford) (01-02-2022)“…A strategy aiming to decrease the amount of isocyanate in the PU industries without changing their current facilities is proposed. Hydroxyl terminated…”
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Photo-crosslinked Non-Isocyanate Polyurethane Acrylate (NIPUA) coatings through a transurethane polycondensation approach
Published in Polymer (Guilford) (07-10-2020)“…A transurethane polycondensation pathway has been used to produce acrylate terminated Non-Isocyanate PolyUrethane (NIPUA) oligomers (A-Ol) with controlled…”
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Synthesis of well defined amino telechelic cis-1,4-oligoisoprenes from carbonyl telechelic oligomers; first studies of their potentialities as polyurethane or polyurea materials precursors
Published in Polymer (Guilford) (23-08-2005)“…Carbonyl telechelic cis-1,4-oligoisoprene (CTPI) obtained from high molecular weight polyisoprene through an oxidative chain cleavage reaction have been…”
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Photo-crosslinked coatings from an acrylate terminated non-isocyanate polyurethane (NIPU) and reactive diluent
Published in European polymer journal (05-09-2020)“…[Display omitted] •Preparation of an acylate terminated non-isocyanate polyurethanes (NIPUA).•Formulation of NIPUA with several reactive diluents at various…”
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10
Use of hydroxytelechelic cis-1,4-polyisoprene (HTPI) in the synthesis of polyurethanes (PUs). Part 1. Influence of molecular weight and chemical modification of HTPI on the mechanical and thermal properties of PUs
Published in Polymer (Guilford) (23-08-2005)“…New telechelic cis-1,4-polyisoprene oligomers bearing an hydroxyl group at the end of the polyisoprene backbone and possessing controlled molecular weights…”
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11
Preparation of flexible biobased non-isocyanate polyurethane (NIPU) foams using the transurethanization approach
Published in Reactive & functional polymers (01-12-2022)“…A new process for the preparation of non-isocyanate polyurethane (NIPU) flexible foams has been implemented. Biobased amino-telechelic NIPU oligomers were…”
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Design of biobased non-isocyanate polyurethane (NIPU) foams blown with water and/or ethanol
Published in Express polymer letters (01-09-2023)“…A promising process to design non-isocyanate polyurethane (NIPU) foams has been developed. The transurethane polycondensation reaction between fatty…”
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Elaboration of AA-BB and AB-type Non-Isocyanate Polyurethanes (NIPUs) using a cross metathesis polymerization between methyl carbamate and methyl carbonate groups
Published in European polymer journal (01-10-2018)“…[Display omitted] •Non isocyanate polyurethanes (NIPUs) were prepared using a new approach.•Monomers with methyl carbamate and methyl carbonate end-groups were…”
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14
Synthesis and properties of allyl terminated renewable non-isocyanate polyurethanes (NIPUs) and polyureas (NIPUreas) and study of their photo-crosslinking
Published in European polymer journal (01-11-2016)“…[Display omitted] •Allyl terminated non-isocyanate polyurethanes (NIPUs) and polyureas (NIPUreas) are synthesized.•The transurethanization reaction, between a…”
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15
Self-disinfecting PDMS surfaces with high quaternary ammonium functionality by direct surface photoinitiated polymerization of vinylbenzyl dimethylbutylammonium chloride
Published in European polymer journal (05-06-2021)“…[Display omitted] •Preparation of PDMS surfaces with high quaternary ammonium density by a ‘grafting from’ process.•Use of a direct surface photo-initiated…”
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16
Organocatalytic synthesis of new telechelic polycarbonates and study of their chemical reactivity
Published in Polymer (Guilford) (01-06-2015)“…A two-step versatile process for telechelic polycarbonates synthesis is described. 1-n-butyl-3-methylimidazolium-2-carboxylate (BMIM-2-CO2) was used as…”
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17
Elaboration of Biobased Nonisocyanate Polyurea Materials with Shape-Memory Properties
Published in ACS applied polymer materials (08-12-2023)Get full text
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18
Influence of steric effects on the kinetics of cyclic-carbonate vegetable oils aminolysis
Published in Chemical engineering science (31-12-2020)“…[Display omitted] •Kinetic models for the aminolysis of carbonated methyl oleate by different amines.•Effects of amine steric hindrance on aminolysis rate…”
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Preparation of bactericidal surfaces with high quaternary ammonium content through photo-initiated polymerization of N-[2-(acryloyloxy)ethyl]-N,N-dimethyl-N-butylammonium iodide from native and thiolated PDMS surfaces
Published in Reactive & functional polymers (01-08-2021)“…N-[2-(acryloyloxy)ethyl]-N,N-dimethyl-N-butylammonium iodide was successfully photo-polymerized from native and thiolated PDMS surface, in the presence of…”
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Facile grafting of bioactive cellulose derivatives onto PVC surfaces
Published in Applied surface science (15-10-2013)“…•Development of a facile chemical pathway for PVC surface treatment.•Direct grafting of bioactive cellulose derivatives onto PVC-NCS surface.•Use of…”
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