Please use this identifier to cite or link to this item: https://doi.org/10.1002/app.1993.070500304
DC FieldValue
dc.titleCharacterization of new hindered amine light stabilizers
dc.contributor.authorLau, Wayne W.Y.
dc.contributor.authorLee, C.S.
dc.contributor.authorGoh, S.H.
dc.contributor.authorLee, A.Y.
dc.contributor.authorPan, Jiangqing
dc.contributor.authorSong, Yu
dc.date.accessioned2014-05-16T07:36:38Z
dc.date.available2014-05-16T07:36:38Z
dc.date.issued1993-10-05
dc.identifier.citationLau, Wayne W.Y., Lee, C.S., Goh, S.H., Lee, A.Y., Pan, Jiangqing, Song, Yu (1993-10-05). Characterization of new hindered amine light stabilizers. Journal of Applied Polymer Science 50 (3) : 403-409. ScholarBank@NUS Repository. https://doi.org/10.1002/app.1993.070500304
dc.identifier.issn00218995
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/52688
dc.description.abstractNew polymerizable urethane functional monomers containing hindered amine (III, III') and their copolymers with styrene (S) and methyl methacrylate (MMA) are characterized and tested as hindered amine light stabilizers (HALS). Experimental results indicated that the monomers possess high photostabilizing effectiveness comparable to that of Tinuvin 770 and Tinuvin 765. Their copolymers with S and MMA showed loser photostabilizing effectiveness mainly due to the low hindered amine content in the copolymers. The copolymers, however, showed vary high resistance to liquid extraction. UV and ESR analyses indicate that the photostabilizing mechanism of these HALS is through the scavenging action of nitroxyl radicals on alkyl radicals formed from degradation of the substrate polymer.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1002/app.1993.070500304
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMICAL ENGINEERING
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1002/app.1993.070500304
dc.description.sourcetitleJournal of Applied Polymer Science
dc.description.volume50
dc.description.issue3
dc.description.page403-409
dc.description.codenJAPNA
dc.identifier.isiutA1993LZ13400004
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