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Dive into the research topics where Ryszard Ukielski is active.

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Featured researches published by Ryszard Ukielski.


Angewandte Makromolekulare Chemie | 1999

New multiblock terpoly(ester-ether-amide) thermoplastic elastomers

Ryszard Ukielski; Franciszek Lembicz; Jerzy Majszczyk

A new block terpolymer of poly(tetramethylene terephthalate)-block-poly(oxytetramethylene)-block-polydodecanelactam with potential application as elastomers have been obtained by melt polycondensation of α,ω-dihydroxypoly(butylene terephthalate), α,ω-dihydroxypoly(oxytetramethylene) (Mn ≈ 1000) and α,ω-dicarboxyoligo(dodecanelactam) (Mn ≈ 2000). The synthesis and some physical and chemical properties of this block poly(ester-ether-amide) thermoplastic elastomer is presented. A variety of different methods was used to study the phase structure, thermal and relaxational properties. Durch Schmelzcopolykondensation von α,ω-Dihydroxypoly(butylenterephthalat), α,ω-Dihydroxypoly(oxytetramethylen) (Mn ≈ 1000) und α,ω-Dicarboxyoligo(dodecanlactam) (Mn ≈ 2000) wurde ein neues Blockterpolymeres Poly(tetramethylenterephthalat)-block-Poly(oxytetramethylen)-block-Polydodecanlactam fur die Anwendung als Elastomeres erhalten. Die Synthese und einige physikalische und chemische Eigenschaften dieses Poly(ester-ether-amid)s werden vorgestellt. Phasenstruktur, thermische und Relaxationseigenschaften wurden mit verschiedenen Methoden untersucht.


European Polymer Journal | 2004

New type of thermoplastic multiblock elastomers––poly(ester-block-amide)s––based on oligoamide 12 and oligoester prepared from dimerized fatty acid

Agnieszka Kozlowska; Ryszard Ukielski


Macromolecular Chemistry and Physics | 1985

Relaxation processes in a block copoly(ether‐ester) elastomer investigated by the spin probe method

Franciszek Lembicz; Ryszard Ukielski


Journal of Thermal Analysis and Calorimetry | 2006

Thermal properties of multiblock thermoplastic elastomerswith oligoamide soft blocks derived from dimerized fatty acid

A. Kozłowska; Ryszard Ukielski; Marta Piatek


European Polymer Journal | 2004

Saturation ESR spectroscopy of PA12 polyamide

F. Lembicz; D. Podgórska; Ryszard Ukielski; M. Piątek


Polimery | 2013

Production, properties and trends in development of biodegradable polyesters with particular respect to aliphatic-aromatic copolymers

Ryszard Ukielski; Filip Lukasz Kondratowicz; Dominik Kotowski


Archive | 2006

Electrical Properties of Thermoplastic Elastomers Copoly (Amide-Block-Amide)s

Marta Piatek; Ryszard Ukielski


Polimery | 2013

Produkcja, właściwości i kierunki rozwoju biodegradowalnych poliestrów ze szczególnym uwzględnieniem kopolimerów alifatyczno-aromatycznych

Ryszard Ukielski; Filip Lukasz Kondratowicz; D. Kotowski


Polimery | 2008

Inteligentne polimery z termicznym efektem pamięci kształtu

Ryszard Ukielski; Pawel P. Sobecki


Polimery | 2008

WŁÓKNOTWÓRCZE KOPOLI(OKSYETYLENO-b-ETYLENOTEREFTALANY) O POLEPSZONYCH WŁAŚCIWOŚCIACH OPTYCZNYCH

Ryszard Ukielski; Filip Lukasz Kondratowicz

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A. Kozłowska

West Pomeranian University of Technology

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F. Lembicz

University of Szczecin

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M. Piątek

University of Szczecin

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