The datareportedinthispaperarecomplementarytothechar- acterizationof4-(phenylazo)-benzoyl-2,2,6,6-tetramethylpiperidine- 1-oxylradical(AzO-TEMPO)andofthe4-(2-thienylazo)-benzoyl- 2,2,6,6-tetramethylpiperidine-1-oxylradical(ThiO-TEMPO)before andaftertheirgraftingtotwopolyethylenematrices(acopolymer ethylene/?-olefin (co-EO) andahighdensitypolyethylene(HDPE)). Particularlythedatareportedinthispaperconfirmthestructure(FT- IR analysis),thethermal(TGAandEPR)andthephoto-physical(UV- vis)propertiesoftheRO-TEMPOderivativesbeforeandaftertheir grafting.Herein,theFT-IRspectrumandTGAthermogramofThiO- TEMPOwerecomparedwiththoseofAzO-TEMPO.Moreover,the superimpositionofUV-visspectracollectedduringtheirradiation under366or254nmemittinglampofAzO-TEMPOandThiO-TEMPO in acetonitrilesolutionarereported.Finally,acompleteDSCchar- acterizationofthefunctionalizedPOsisshown
Structural, thermal and photo-physical data of azo-aromatic TEMPO derivatives before and after their grafting to polyolefins
Francesca Cicogna;Ilaria Domenichelli;Serena Coiai;Roberto Spiniello;Elisa Passaglia
2016
Abstract
The datareportedinthispaperarecomplementarytothechar- acterizationof4-(phenylazo)-benzoyl-2,2,6,6-tetramethylpiperidine- 1-oxylradical(AzO-TEMPO)andofthe4-(2-thienylazo)-benzoyl- 2,2,6,6-tetramethylpiperidine-1-oxylradical(ThiO-TEMPO)before andaftertheirgraftingtotwopolyethylenematrices(acopolymer ethylene/?-olefin (co-EO) andahighdensitypolyethylene(HDPE)). Particularlythedatareportedinthispaperconfirmthestructure(FT- IR analysis),thethermal(TGAandEPR)andthephoto-physical(UV- vis)propertiesoftheRO-TEMPOderivativesbeforeandaftertheir grafting.Herein,theFT-IRspectrumandTGAthermogramofThiO- TEMPOwerecomparedwiththoseofAzO-TEMPO.Moreover,the superimpositionofUV-visspectracollectedduringtheirradiation under366or254nmemittinglampofAzO-TEMPOandThiO-TEMPO in acetonitrilesolutionarereported.Finally,acompleteDSCchar- acterizationofthefunctionalizedPOsisshownI documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
