Effect of processing on the photo-oxidation of HDPE stabilised with LDPEUV masterbatch

Ogbobe, O

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Please use this identifier to cite or link to this item: http://nopr.niscpr.res.in/handle/123456789/31203

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DC Field	Value	Language
dc.contributor.author	Ogbobe, O	-
dc.date.accessioned	2015-03-26T07:04:13Z	-
dc.date.available	2015-03-26T07:04:13Z	-
dc.date.issued	1994-07	-
dc.identifier.issn	0975-0991 (Online); 0971-457X (Print)	-
dc.identifier.uri	http://hdl.handle.net/123456789/31203	-
dc.description	199-203	en_US
dc.description.abstract	The photo stabilizing action of low density polyethylene UV masterbatch in slow cooled and quenched extrudates of 6.0 MFI and 0.2 MFI high density polyethylene obtained at varying processing conditions has been examined using IR spectroscopy to monitor the build-up of volatile carbonylic oxidation products after artificial irradiation. Master batch dispersion in extrudates of the two grades of high density polyethylene is assessed by UV microscopy. The results show that although increased shear increases the effectiveness of the UV absorber in the high melt-flow-index polymer while it has no significant effect on the performance of the UV absorber in the low melt-flow-index polymer. Quenching the extrudates significantly increases the time to embrittlement. The dispersion of low density polyethylene UV masterbatch is better in the high melt-flow-index polymer when processed at equivalent extruder screw speeds.	en_US
dc.language.iso	en_US	en_US
dc.publisher	NISCAIR-CSIR, India	en_US
dc.rights	CC Attribution-Noncommercial-No Derivative Works 2.5 India	en_US
dc.source	IJCT Vol.01(4) [July 1994]	en_US
dc.title	Effect of processing on the photo-oxidation of HDPE stabilised with LDPEUV masterbatch	en_US
dc.type	Article	en_US
Appears in Collections:	IJCT Vol.01(4) [July 1994]

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