Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Eero Iiskola"'
Publikováno v:
Hirvikorpi, T, Vähä-Nissi, M, Mustonen, T, Iiskola, E & Karppinen, M 2010, ' Atomic layer deposited aluminum oxide barrier coatings for packaging materials ', Thin Solid Films, vol. 518, no. 10, pp. 2654-2658 . https://doi.org/10.1016/j.tsf.2009.08.025
Thin aluminum oxide coatings have been deposited at a low temperature of 80 °C on various uncoated papers, polymer-coated papers and boards and plain polymer films using the atomic layer deposition (ALD) technique. The work demonstrates that such AL
Publikováno v:
The Journal of Physical Chemistry B. 108:11454-11463
The aim of the present solid-state NMR study was to characterize the surface species of γ-aminopropyltriethoxysilane (APTS), γ-aminopropyltrimethoxysilane (APTMS), and γ-aminopropyldiethoxymethylsilane (APDMS) on porous silica when the deposition
Publikováno v:
Organometallics. 19:4834-4839
Three heterogeneous constrained-geometry catalysts [(C5H4)SiMe2(N(CH2)3SiMe2−O−)]M(NMe2)2 (M = Hf (catalyst 1), Zr (catalyst 2), and Ti (catalyst 3) were prepared by anchoring of metal amides (M(NMe2)4, M = Hf, Zr, or Ti) to a bifunctional ligand
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 156:181-193
Heterogeneous cyclopentadienylchromium catalysts were synthesized by adsorbing chromiumtrichloride CrCl3(THF)3 on a cyclopentadienyl modified silica surface. The obtained catalysts and the homogeneous model compound, [CpCrMe(μ-Cl)]2 (Cp=η5-C5H5), w
Publikováno v:
Organometallics. 19:1729-1733
Heterogeneous constrained-geometry catalysts were prepared by immobilizing Zr(NMe2)4 on a heterogenized ansa-cyclopentadienylamino ligand of type (RN)R‘R‘ ‘Si(C5R‘ ‘‘4): surface 1, R = −O-Me2Si(CH2)3; R‘, R‘ ‘, R‘ ‘‘ = Me; s
Synthesis of supported titanocene amide complex and its use as a catalyst in ethylene polymerization
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 148:235-244
Heterogeneous ethylene polymerization catalysts were prepared by supporting tetrakis(dimethylamino)titanium, Ti[N(CH 3 ) 2 ] 4 , on chemically modified silica surface. The modification of silica was made using a silane coupling agent, Cp(CH 2 ) 3 Si(
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 150:1-9
Novel modified catalyst carriers have been prepared. First, aminopropyltriethoxysilane (APTES) was immobilized on the silica surface by using the saturated gas–solid reactions. Secondly, two different (tetramethylcyclopentadienyl)chlorosilanes, (Me
Publikováno v:
Journal of Organometallic Chemistry. 587:38-45
Aminosilane has been used as a coupling agent for cyclopentadienyl (Cp) ligands on silica surfaces. First the silica surface was functionalized with aminopropyldimethylethoxysilane (APDMES) by using saturated gas–solid reactions. Secondly two diffe
Publikováno v:
Journal of Organometallic Chemistry. 582:273-278
Heterogeneous ethylene polymerization catalysts were prepared by supporting tetrakis(dimethylamino)zirconium on chemically modified silica surface. The silica was modified with a silane coupling agent, Cp(CH 2 ) 3 Si(OEt) 3 , using ALCVD-technique. O
Publikováno v:
Applied Surface Science. :372-377
A novel heterogeneous α-olefin polymerization catalyst is prepared by the immobilization of CpZrCl 3 on a chemically modified silica support. The surface modification of silica was carried out by utilizing the saturated gas-solid reactions of a sila