Zobrazeno 1 - 10
of 96
pro vyhledávání: '"O. Piringer"'
Autor:
Stanislav Nešpůrek, H Zweifel, G.-O. Piringer, Jan Pospíšil, J. Kuthan, W. D. Habicher, Jan Pilař
Publikováno v:
Polymer Degradation and Stability. 77:531-538
Part of colour development in aged polyolefins stabilized with phenolic antioxidants can be attributed to the formation of conjugated diene compounds, arising as a consequence of sacrificial trapping of alkylperoxy radicals by phenolics. The discolor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f471cef32fd42ea49f10de8b043b313
https://doi.org/10.1016/s0141-3910(02)00112-x
https://doi.org/10.1016/s0141-3910(02)00112-x
Publikováno v:
Ecotoxicology and Environmental Safety. 43:267-273
Gel- and topcoat surface layers on fiberglass [glass-reinforced plastic (GRP)] made of unsaturated resin based on isophthalic acid polyester and neopentyl glycol (ISO-NPG) were tested for leaching, ecotoxicity of water eluates, and abrasion by river
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f873d337e90bf0a4f616548bc260a1b
https://doi.org/10.1006/eesa.1999.1788
https://doi.org/10.1006/eesa.1999.1788
Autor:
O. Piringer, D Hampe
Publikováno v:
Food Additives and Contaminants. 15:209-216
Permeation tests were carried out under several conditions for various metal ions, anions, temperatures and solvents. The study was designed as lag-time experiments where the amount of metal penetrating through the polymer was plotted against time. D
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72b00b60a065bbf05554de305fab23ac
https://doi.org/10.1080/02652039809374632
https://doi.org/10.1080/02652039809374632
Publikováno v:
Food Additives & Contaminants. 10:621-629
The amended Council Directive 82/711/EEC will include the test conditions for plastic materials and articles intended to come into contact with foodstuffs at high temperature. The most stringent test condition (excluding susceptor materials) will be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f971f72a47b6a03a7defdcea4d726421
https://doi.org/10.1080/02652039309374189
https://doi.org/10.1080/02652039309374189
Autor:
P. Mercea, V. Tosa, Katalin Kovacs, O. Piringer, Theodore E. Simos, George Psihoyios, Ch. Tsitouras
Publikováno v:
AIP Conference Proceedings.
A numerical method based on finite differences was developed to solve the problem of impurities’ migration from a hollow core multilayer cylinder (pipe) filled with water. The numerical method is based on finite differences (FD) and the developed a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fe52f8bea82f4af703e71100a578d04
https://doi.org/10.1063/1.3498628
https://doi.org/10.1063/1.3498628
Autor:
V. Tosa, Katalin Kovács, P. Mercea, O. Piringer, Theodore E. Simos, George Psihoyios, Ch. Tsitouras
Publikováno v:
AIP Conference Proceedings.
A finite difference method was developed to solve the problem of one‐dimensional diffusion of impurities in a multilayer plastic material (MPM) in contact with a liquid food or food simulant. The configuration assumes a double diffusion process, bo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48ca5d1ce62bd4677e43afcb4cb22e0b
https://doi.org/10.1063/1.3241549
https://doi.org/10.1063/1.3241549
Autor:
O. Piringer
Publikováno v:
Chemical Migration and Food Contact Materials ISBN: 9780849391309
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf8374cda9aaa9f98aa2c72368fa11ba
https://doi.org/10.1201/9781439824474.ch8
https://doi.org/10.1201/9781439824474.ch8
Publikováno v:
ACS Symposium Series ISBN: 9780841236172
Food Packaging: Testing Methods and Applications
Food Packaging: Testing Methods and Applications
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50d78d3d3c2be8ec4568b92e49e216ad
https://doi.org/10.1021/bk-2000-0753.ch004
https://doi.org/10.1021/bk-2000-0753.ch004
A model for estimating the migration of organic substances from plastic materials into foodstuffs has been previously developed. The use of this model allows a shift away from expensive and time consuming migration analysis in foods to much simpler a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cad2f2e5c4107fcf6bb9a5cb6653871a
https://publica.fraunhofer.de/handle/publica/187869
https://publica.fraunhofer.de/handle/publica/187869
An analytical method is described for the determination of aziridine in food-simulating solvents at trace levels. The method comprises a two-phase (aqueous-organic solvent) derivarization procedure with 4-fluorobenzoyl chloride, using propyleneimine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4dd9c623e623a60c9ac2b6f772090310
https://doi.org/10.1016/s0167-4501(06)80211-6
https://doi.org/10.1016/s0167-4501(06)80211-6