Search Results - "Gupta, Virendra K."
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1
Influence of Internal Donors on the Performance and Structure of MgCl2 Supported Titanium Catalysts for Propylene Polymerization
Published in Macromolecular chemistry and physics (02-01-2009)“…An insight on the influence of ethyl benzoate (EB) and diisobutyl phthalate (DIBP) as internal donors, differing in coordination nature on the structural…”
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2
Nature of Phthalates as Internal Donors in High Performance MgCl₂ Supported Titanium Catalysts
Published in Catalysis letters (01-09-2009)“…High performance MgCl₂ supported titanium catalyst having diisobutyl phthalate (DIBP) as internal donor has been synthesized. The organic components present in…”
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3
Hydrophilic Core-Sheath fibers of polyvinyl alcohol / polyethylene composites through in situ ethylene polymerization
Published in European polymer journal (05-12-2022)“…[Display omitted] Core - sheath fibers of polyvinyl alcohol/polyethylene composites are synthesized by ethylene polymerization with titanium tetrachloride…”
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4
DFT Study of Lewis Base Interactions with the MgCl2 Surface in the Ziegler−Natta Catalytic System: Expanding the Role of the Donors
Published in Journal of physical chemistry. C (23-09-2010)“…We present a computational study, using density functional theory, of the role of internal and external donors in supported heterogeneous Ziegler−Natta…”
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5
Immobilization of Titanium Tetrachloride on Mixed Support of MgCl2 · xEB/Poly(methyl acrylate-co-1-octene): Catalyst for Synthesis of Broad MWD Polyethylene
Published in Catalysis letters (01-09-2009)“…TiCl 4 immobilization on different compositions of mixed support of MgCl 2 · xEB and poly(methyl acrylate-co-1-octene) (PMO; synthesized through ARGET ATRP)…”
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6
Morphology Controlled Magnesium Ethoxide: Influence of Reaction Parameters and Magnesium Characteristics
Published in Particulate science and technology (20-11-2009)“…Controlled reaction of magnesium with ethanol was found to produce morphological magnesium ethoxide. The scanning electron microscopy studies indicate that…”
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7
Preparation and characterization of bi- and trimetallic titanium based oxides
Published in Dyes and pigments (01-05-2011)“…Rod shaped titanium based glycolates are synthesized by reaction of titanium butoxide with metal acetate (M = Co, Sb, Mn, Ni, Cr) and excess mono ethylene…”
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8
Propylene polymerization using supported Ziegler-Natta catalyst systems with mixed donors
Published in Journal of applied polymer science (15-07-2012)“…Magnesium dichloride supported titanium catalyst incorporated with varying concentration of ethylbenzoate and diisobutyl phthalate together as internal donor…”
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9
Evolutionary computing approach for evaluating flory distribution curves in gel permeation chromatography: Study of the poly(1-octene) system
Published in Journal of applied polymer science (15-09-2010)“…We carried out deconvolution of the molecular weight distribution curves from gel permeation chromatography for polyolefins into individual active sites…”
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10
Poly(1-octene) synthesis using high performance supported titanium catalysts
Published in Journal of applied polymer science (05-01-2010)“…Poly(1-octene) was synthesized by polymerization of 1-octene using high performance MgCl₂-supported TiCl₄ in combination with triethyl aluminum (TEAl) as…”
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11
Methyl acrylate/1-octene copolymers: Lewis acid-mediated polymerization
Published in Journal of applied polymer science (05-01-2009)“…Copolymerization of methyl acrylate (MA) with 1-octene (1-Oct) was conducted in the presence of free radical initiator, 2,2'-azobis(2-methylpropionitrile)…”
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12
Synthesis of polypropylene with varied microstructure and molecular weights characteristics using supported titanium catalyst system
Published in Journal of polymer research (01-03-2011)“…Propylene polymerizations were conducted in slurry phase batch process using different dialkyldimethoxysilanes as an external donor with magnesium dichloride…”
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13
Studies on the influence of molecular weight and isotacticity of polypropylene on the formation of mesomorphic phase
Published in Journal of applied polymer science (05-09-2009)“…Polypropylene (PP) blends with various molecular weight and isotacticity were prepared through solution blending and subjected to rapid melt quenching…”
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14
Triad sequence determination of ethylene–propylene copolymers – application of quantitative 13C NMR
Published in Polymer testing (01-08-2009)“…A methodology for acquiring fully quantitative 13C{ 1H} NMR spectra for high performance ethylene–propylene copolymers has been proposed. To minimize the…”
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15
Titanium tetrachloride supported on atom transfer radical polymerized poly(methyl acrylate-co-1-octene) as catalyst for ethylene polymerization
Published in Journal of polymer science. Part A, Polymer chemistry (15-11-2008)“…Ethylene polymerizations were performed using catalyst based on titanium tetrachloride (TiCl₄) supported on synthesized poly(methyl acrylate-co-1-octene)…”
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16
Solid acid clay mediated copolymerization of methyl acrylate and 1-octene: 2D NMR substantiation of predominant alternating comonomer sequence
Published in Journal of polymer science. Part A, Polymer chemistry (15-04-2009)“…Montmorillionite K10 powder presence during radically initiated copolymerization of methyl acrylate (M) and 1‐octene (O) gave copolymers with higher…”
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17
The Preparation of Polymer/Silver Nanocomposites and Application as an Antibacterial Material
Published in Polymer-plastics technology and engineering (30-09-2010)“…An elegant and facile route for the preparation of polymer/silver nanocomposites for polymers having solubility in organic solvents has been developed. Aqueous…”
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18
Ultra-high molecular weight polypropylene (UHMWPP): Synthesis and fiber processing
Published in Polyolefins journal (01-02-2024)“…Ultra-high molecular weight polyolefin (UHMWPO) has enormous potential applications due to their excellent mechanical properties such as tensile strength,…”
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19
Polypropylene Resin Flowability Improvement Through Catalyst Morphology
Published in Polymer-plastics technology and engineering (01-01-2011)“…The phenomenon of replication of morphology from Zeigler-Natta catalyst to polypropylene resin has been established leading to enhanced resin flowability with…”
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20
Influence of Internal Donors on the Performance and Structure of MgCl 2 Supported Titanium Catalysts for Propylene Polymerization
Published in Macromolecular chemistry and physics (02-01-2009)“…An insight on the influence of ethyl benzoate (EB) and diisobutyl phthalate (DIBP) as internal donors, differing in coordination nature on the structural…”
Get full text
Journal Article