Výsledky vyhledávání - "Stefan Trinkle"

Rheological evidence of modifications of polypropylene by β-irradiation

Autor: Christian Friedrich, Rolf Mülhaupt, Stefan Trinkle, Dirk Schulze

Publikováno v: Rheologica Acta. 42:251-258

Electron beam irradiation can be used to induce chemical changes in polymers. The resulting reactions lead to both degradation and crosslinking of polymer chains, depending on reaction conditions. In neat polypropylene, degradation dominates and resu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b2d47f407f799f82a8596ca838c6d0c9
https://doi.org/10.1007/s00397-002-0282-7

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Van Gurp-Palmen Plot II - classification of long chain branched polymers by their topology

Autor: Stefan Trinkle, Philipp Walter, Christian Friedrich

Publikováno v: Rheologica Acta. 41:103-113

Rheological data on monodisperse model-type polymers with a certain topology are available in the literature. A comparison between these series has not been made yet, mainly because the different chemical nature of these polymers inhibited a direct c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db5357c33333db5e548fbfabb8461a6e
https://doi.org/10.1007/s003970200010

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Van Gurp-Palmen-plot: a way to characterize polydispersity of linear polymers

Autor: Stefan Trinkle, Christian Friedrich

Publikováno v: Rheologica Acta. 40:322-328

This article is concerned with the so-called van Gurp-Palmen-plot which charts the phase angles vs the absolute values of the complex shear modulus from a rheological experiment. Its basic characteristic features are elucidated for polymers having a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f94b692b5c7d35d7ce453498602e03e7
https://doi.org/10.1007/s003970000137

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Long Chain Branched Polypropene Prepared by Means of Propene Copolymerization with 1,7-Octadiene Using MAO-Activatedrac-Me2Si(2-Me-4-Phenyl-Ind)2ZrCl2

Autor: Christian Friedrich, Dieter Lilge, Rolf Mülhaupt, Philipp Walter, Stefan Trinkle

Publikováno v: Macromolecular Materials and Engineering. 286:309-315

Small amounts of 1,7-octadiene (OD) comonomer, ranging from 0.5–5.0 mol-%, were added during propene polymerization, catalyzed with methylalumoxane (MAO) activated rac-Me2Si(2-Me-4-phenyl-Ind)2ZrCl2 (MPI), in order to incorporate long chain branche

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::baf91efb606f080dd71e58c1c2f973b0
https://doi.org/10.1002/1439-2054(20010501)286:5<309::aid-mame309>3.0.co

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Influence of zirconocene structure and propene intent on melt rheology of polyethene and ethene/propene copolymers

Autor: Stefan Trinkle, Rolf Mülhaupt, Philipp Walter

Publikováno v: Polymer Bulletin. 46:205-213

Ethene was homo- and copolymerized in the presence of methylaluminoxane (MAO)-activated zirconocenes comprising (Me5CP)2ZrCl2 (Cp*) and racemic dimethylsilylene-bis[-2-methyl-indenyl]-bridged zirconocene dichloride where the ligand framework was vari

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::23e3f67e5f509163b58502e71df140fd
https://doi.org/10.1007/s002890170076

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Rheological and Morphological Properties of Various Blends Containing Liquid Crystalline Polyesters

Autor: Christian Friedrich, Stefan Trinkle, Hans R. Kricheldorf, Botho Hoffmann

Publikováno v: Macromolecular Chemistry and Physics. 202:814-823

This contribution is concerned with the unique rheological properties of blends of liquid crystalline polymers (LCP) dispersed in thermoplastic matrices. The materials under investigation were rigid rod polyesters solution blended with poly(e-caprola

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa201f47c3798f061e308b3e02086a13
https://doi.org/10.1002/1521-3935(20010301)202:6<814::aid-macp814>3.0.co

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Short and long chain branching of polyethene prepared by means of ethene copolymerization with 1-eicosene using MAO activated Me2Si(Me4Cp)(NtBu)TiCl2

Autor: Christian Friedrich, Stefan Trinkle, Rolf Mülhaupt, Dietmar Mäder, Philipp Walter, Jürgen Suhm

Publikováno v: Macromolecular Chemistry and Physics. 201:604-612

Ethene copolymers with 1-eicosene were prepared using the methylaluminoxane (MAO) activated dimethylsilanediyl (tetracyclopentadienyl) (ter-butylamido)- titanium dichloride (Me 2 Si(Me 4 Cp)(N t Bu)TiC1 2 , CBT) catalyst system in slurry polymerizati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ba2db95c7ac060c8cbbeb5ff36118cec
https://doi.org/10.1002/(sici)1521-3935(20000301)201:5<604::aid-macp604>3.0.co

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Poly(Ethene-co-Norbornene) Obtained with a Constrained Geometry Catalyst. A Study of Reaction Kinetics and Copolymer Properties

Autor: and Christian Friedrich, Incoronata Tritto, and Laura Boggioni, Stefan Trinkle, Raniero Mendichi, Knut Thorshaug, Rolf Mülhaupt

Publikováno v: Macromolecules
35 (2002): 2903–2911. doi:10.1021/ma011949o
info:cnr-pdr/source/autori:Thorshaug K. 1, Mendichi R. 2, Boggioni L. 3, Tritto I. 4, Trinkle S. 5, Friedrich C. 6, Mulhaupt R. 7/titolo:Poly(Ethene-co-Norbornene) Obtained with a Constrained Geometry Catalyst. A Study of Reaction Kinetics and Copolymer Properties/doi:10.1021%2Fma011949o/rivista:Macromolecules (Print)/anno:2002/pagina_da:2903/pagina_a:2911/intervallo_pagine:2903–2911/volume:35

Poly(ethene-co-norbornene) was synthesized in toluene using Me2Si(Me4Cp) (NtBu)TiCl2 activated with methylaluminoxane (MAO) as catalyst. We found that at 50°C the molecular weight increases with time for up to one hour and very little chain transfer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::29535536427b70aa21dd1c07f76819c0
http://www.cnr.it/prodotto/i/54160

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Correlations Between Chain Branching, Morphology Development and Polymer Properties of Polyethenes

Autor: Johannes Heinemann, Stefan Trinkle, Rolf Mülhaupt, Henner Ebeling, Philipp Walter, Dietmar Mäder

Publikováno v: Organometallic Catalysts and Olefin Polymerization ISBN: 9783642639876

Molecular architectures of polyethenes, in particular short and long chain branching, were varied over a very wide range by means of either metallocene-catalyzed ethene/1-olefin copolymerization or Ni- and Pd-catalyzed migration/insertion-type ethene

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3c2a114e3afb5e74378300120d5edad4
https://doi.org/10.1007/978-3-642-59465-6_27

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