Surface-anchored hindered-amine light stabilizers for improved UV stability of polyolefins

Mani, R. ; Sarkar, N. ; Singh, R. P. ; Sivaram, S. (1996) Surface-anchored hindered-amine light stabilizers for improved UV stability of polyolefins Journal of Macromolecular Science, Part A, 33 (9). pp. 1217-1226. ISSN 1060-1325

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/1060132...

Related URL: http://dx.doi.org/10.1080/10601329608010916

Abstract

Hindered-amine light stabilizers (HALS) were surface anchored to polyolefin films by reacting the HALS, namely, 1,2,2,6,6-pentamethyl-4-piperidinol and 1,2,2,6,6-pentamethyl-4-aminopiperidine, with succinic anhydride functionalized polyolefin surfaces. The photostability of polyolefin films with surface-anchored HALS were compared with films stabilized with commercial HALS (Tinuvin 770) by melt blending. It is shown that the photostabilizing efficiency of surface-anchored HALS is superior that of melt-blended polyolefins.

Item Type:Article
Source:Copyright of this article belongs to Taylor and Francis Group.
ID Code:70135
Deposited On:18 Nov 2011 12:58
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