caa a22 4500 465787118 CHVBK 20180323112012.0 cr unu---uuuuu 170327e19900901xx s 000 0 eng 10.1007/BF00306580 doi (NATIONALLICENCE)springer-10.1007/BF00306580 Antioxidants and stabilizers [Elektronische Daten] CXIV. A new transformation product of processing antioxidant 2,6-ditert-butyl-4-methylphenol in the presence of metal ions [J. Rotschova, J. Kříž, J. Pospíšil] Summary: 2,6-Ditert-butyl-4-methyl-4-(3,5-ditert-butyl-4-hydroxybenzyl)-2,5-cyclohexadiene-1-one (III) is formed from BHT (I) as a minority transformation product during the ageing of BHT doped polyethylene. To determine the structure of III and to obtain an authentic model compound, synthesis was performed using an indepdndent procedure. The transformation product III is reported for the first time and can be considered as a source of secondary phenoxy radicals detected in aged polyolefins. Springer-Verlag, 1990 Rotschova J. Institute of Macromolecular Chemistry, Czechoslovak Academy of Sciences, CS-162 06, Prague 6, Czechoslovakia aut Kříž J. Institute of Macromolecular Chemistry, Czechoslovak Academy of Sciences, CS-162 06, Prague 6, Czechoslovakia aut Pospíšil J. Institute of Macromolecular Chemistry, Czechoslovak Academy of Sciences, CS-162 06, Prague 6, Czechoslovakia aut Polymer Bulletin Springer-Verlag 24/3(1990-09-01), 309-312 0170-0839 24:3<309 1990 24 289 https://doi.org/10.1007/BF00306580 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00306580 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Rotschova J. Institute of Macromolecular Chemistry, Czechoslovak Academy of Sciences, CS-162 06, Prague 6, Czechoslovakia aut NATIONALLICENCE 700 1- Kříž J. Institute of Macromolecular Chemistry, Czechoslovak Academy of Sciences, CS-162 06, Prague 6, Czechoslovakia aut NATIONALLICENCE 700 1- Pospíšil J. Institute of Macromolecular Chemistry, Czechoslovak Academy of Sciences, CS-162 06, Prague 6, Czechoslovakia aut NATIONALLICENCE 773 0- Polymer Bulletin Springer-Verlag 24/3(1990-09-01), 309-312 0170-0839 24:3<309 1990 24 289 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer