Please use this identifier to cite or link to this item: https://doi.org/10.1016/0141-3910(96)00023-7
DC FieldValue
dc.titleSynthesis and properties of new UV-absorbers with higher MW
dc.contributor.authorPan, J.-Q.
dc.contributor.authorLau, W.W.Y.
dc.contributor.authorZhang, Z.F.
dc.contributor.authorHu, X.Z.
dc.date.accessioned2014-06-17T10:02:46Z
dc.date.available2014-06-17T10:02:46Z
dc.date.issued1996
dc.identifier.citationPan, J.-Q., Lau, W.W.Y., Zhang, Z.F., Hu, X.Z. (1996). Synthesis and properties of new UV-absorbers with higher MW. Polymer Degradation and Stability 53 (2) : 153-159. ScholarBank@NUS Repository. https://doi.org/10.1016/0141-3910(96)00023-7
dc.identifier.issn01413910
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/67576
dc.description.abstractFour new UV-absorbers with higher MW, 2-hydroxy-4-benzophenonyl n-octadecyl carbamate (A, MW = 509), 2-hydroxy-4-benzophenonyl hexamethylene dicarbamate (B, MW = 596), 2-hydoxy-4-benzophenonyl toluene 2,4 dicarbamate (C, MW = 602), and 2-hydroxy-4-benzophenonyl methylene diphenylene dicarbamate (D, MW = 678), have been synthesized by direct addition reaction of 2,4-dihydroxy benzophenone (DHBP) and isocyanates. The structures of these UV-absorbers have been characterized by IR, NMR, UV, MS and elemental analysis. The photostabilizing effectiveness of these new UV-absorbers for polypropylene (PP) has been determined. Results show that increasing the MW of the absorbers can decrease the loss of absorber from PP film during heat treatment but not in prolonged UV-irradiation. These four UV-absorbers are less efficient owing to their poor compatibility with PP. © 1996 Elsevier Science Limited.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/0141-3910(96)00023-7
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCHEMICAL ENGINEERING
dc.description.doi10.1016/0141-3910(96)00023-7
dc.description.sourcetitlePolymer Degradation and Stability
dc.description.volume53
dc.description.issue2
dc.description.page153-159
dc.description.codenPDSTD
dc.identifier.isiutA1996VG72000002
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