Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Werner Obrecht"'
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 49:879-885
The ring-opening metathesis polymerization (ROMP) of cis-cyanocyclooct-4-ene initiated by ruthenium-based catalysts of the first, second, and third generation was studied. For the polymerization with the second generation Grubbs catalyst [RuCl2(CHPh)
Publikováno v:
Macromolecular Rapid Communications. 31:1731-1735
New nitrile-containing polymers have been synthesized by ring-opening metathesis polymerization of cis-cyanocyclooct-4-ene and cis-1,2-dicyanocyclooct-5-ene with a 2(nd) generation Grubbs catalyst [(H(2) IMes)(PCy(3) )Cl(2) Ru = CHPh] (H(2) IMes = N,
Autor:
Lothar Steger, Werner Obrecht
Publikováno v:
ATZautotechnology. 8:42-45
The rolling resistance, wet grip and abrasion of a tyre cannot be optimised independently of one another. Improving one of these properties will usually have a negative impact on at least one of the other two properties. A new nano additive from Lanx
Publikováno v:
Journal of Macromolecular Science, Part A. 43:841-854
The influence of the solvents n‐hexane, tert‐butyl benzene (TBB) and toluene on the Nd‐catalyzed polymerization of butadiene was studied. Special emphasis was placed on polymerization kinetics and on the evolution of molar masses and molar mass
Publikováno v:
Journal of Macromolecular Science, Part A. 43:11-22
The polymerization of 1,3‐butadiene (BD) catalyzed by the ternary Ziegler/Natta catalyst system neodymium versatate (NdV)/diisobutylaluminum hydride (DIBAH)/ethylaluminum sesquichloride (EASC) is investigated in regard to molar mass control by diet
Publikováno v:
Journal of Macromolecular Science, Part A. 42:839-851
In ternary Ziegler catalyst systems comprised of a Nd‐component, diisobutylaluminum hydride (DIBAH) and ethylaluminum sesquichloride (EASC), three Nd salts [neodymium versatate (NdV), neodymium neopentanolate (NdA) and neodymium bis(2‐ethylhexyl)
Publikováno v:
Journal of Macromolecular Science, Part A. 41:245-256
The polymerization of 1,3‐butadiene (BD) by the ternary Ziegler/Natta (Z/N) catalyst system neodymium versatate (NdV)/ethylaluminum sesquichloride (EASC)/aluminum alkyl is investigated. Special attention is paid to the impact of the aluminum alkyl
Publikováno v:
Macromolecular Materials and Engineering. 288:484-494
The ternary Ziegler-Natta-type catalyst system based on neodymium versatate (NdV), diisobutylaluminium hydride (DIBAH) and ethylaluminium sesquichloride (EASC) was used for in the situ preparation of a comptabilized blend consisting of poly(cis-1,4-b
Publikováno v:
Macromolecular Materials and Engineering. 288:209-218
Reactive blending of the rubber EPDM (a terpolymer consisting of ethylene, propylene and a diene) and the thermoplastic material SAN (a copolymer of styrene and acrylonitrile) is reinvestigated with special attention to EPDM/SAN blends with a 50/50 b
Autor:
Werner Obrecht
Publikováno v:
Bedrohte Professionalität ISBN: 9783658003517
Werner Obrecht hinterfragt die Bedeutung der Sozialwissenschaften als Bezugswissenschaften der Sozialarbeitswissenschaft. Der Autor zeichnet die Entwicklung soziologischer Akteurmodelle nach sowie die Entstehung einer Vorstellungswelt, in der soziale
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de8b4fc20fc53369230745ee60ad77a3
https://doi.org/10.1007/978-3-658-00352-4_1
https://doi.org/10.1007/978-3-658-00352-4_1