Results 31 to 40 of about 115,445 (306)

Molecular catalysis for precise olefin polymerization and ROP 2015 [PDF]

open access: yes, 2016
The growth of emerging markets, particularly in the Far East, has fuelled the demand for new plastic materials. This in turn has stimulated both academic and industrial interest in the design of catalyst systems for which new Intellectual Property (IP ...
Redshaw, Carl
core   +6 more sources

A New Vanadium (III) Complex of 2,6-Bis(3,5-diphenylpyrazol-1-ylmethyl)pyridine as a Catalyst for Ethylene Polymerization

open access: yesMolecules, 2013
The tridentate ligand 2,6-bis(3,5-diphenylpyrazol-1-ylmethyl)pyridine, abbreviated as 2,6-[(3,5-ph2pz-CH2)2-py], a new pyridine-pyrazole derivative, was prepared from 2,6-bis(bromomethyl)pyridine and 3,5-diphenylpyrazole.
Hanna S. Abbo, Salam J. J. Titinchi
doaj   +1 more source

Phillips catalysts synthesized over various silica supports: Characterization and their catalytic evaluation in ethylene polymerization [PDF]

open access: yesPolyolefins Journal, 2016
Ethylene polymerization was carried out using Phillips chromium catalyst based on silica supports such as silica aerogel, SiO2 (Grace 643), and titanium modified SiO2 (G 643), and the results were compared with other catalysts based on SiO2 (Aldrich ...
Ebrahim Ahmadi   +5 more
doaj   +1 more source

Synthesis, characterization and ethylene polymerization behaviour of binuclear nickel halides bearing 4,5,9,10-tetra(arylimino)pyrenylidenes [PDF]

open access: yes, 2014
Pyrene-4,5,9,10-tetraone was prepared via the oxidation of pyrene, and reacted with various anilines to afford a series of 4,5,9,10-tetra(arylimino)pyrenylidene derivatives (L1–L4).
Liang, Tongling   +5 more
core   +1 more source

Synthesis and characterization of 2-(2-benzhydrylnaphthyliminomethyl)pyridylnickel halides: formation of branched polyethylene [PDF]

open access: yes, 2013
A series of 2-(2-benzhydrylnaphthyliminomethyl)pyridine derivatives (L1–L3) was prepared and used to synthesize the corresponding bis-ligated nickel(II) halide complexes (Ni1–Ni6) in good yield.
Cao, Xiao Ping   +9 more
core   +1 more source

Beneficial influence of nanocarbon on the aryliminopyridylnickel chloride catalyzed ethylene polymerization [PDF]

open access: yes, 2013
A series of 1-aryliminoethylpyridine ligands (L1―L3) was synthesized by condensation of 2-acetylpyridine with 1-aminonaphthalene, 2-aminoanthracene or 1-aminopyrene, respectively.
Durand, Jérôme   +6 more
core   +4 more sources

Effects of wet/dry-cycling and plasma treatments on the properties of flax nonwovens intended for composite reinforcing [PDF]

open access: yes, 2016
Producción CientíficaThis research analyzes the effects of different treatments on flax nonwoven (NW) fabrics which are intended for composite reinforcement.
Ardanuy, Mònica   +4 more
core   +4 more sources

Biphenyl-bridged 6-(1-aryliminoethyl)-2-iminopyridyl-cobalt complexes: synthesis, characterization and ethylene polymerization behavior [PDF]

open access: yes, 2014
A series of biphenyl-bridged 6-(1-aryliminoethyl)-2-iminopyridine derivatives reacted with cobalt dichloride in dichloromethane/ethanol to afford the corresponding binuclear cobalt complexes.
Du, Shizhen   +6 more
core   +2 more sources

Polymerization of Ethylene Using α-Diimine Nickel Catalyst [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2013
The late transition metal catalysts based on end group of transition metals in the periodic table like Ni, Fe, Co, Pd, Pt were developed rapidly in polyolefin industrial productions.
Hassan Arabi1   +4 more
doaj   +1 more source

Nonthermal Plasma Technology as a Versatile Strategy for Polymeric Biomaterials Surface Modification: A Review [PDF]

open access: yes, 2009
In modern technology, there is a constant need to solve very complex problems and to fine-tune existing solutions. This is definitely the case in modern medicine with emerging fields such as regenerative medicine and tissue engineering.
De Geyter, Nathalie   +5 more
core   +1 more source

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