Biaxial orientation of multilayer LDPE/PET films: structure and properties

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  1. National Research Council of Canada. NRC Industrial Materials Institute
FormatText, Article
Proceedings titleANTEC 2004, Vol. II, Materials: Conference Proceedings: May 16-20, 2004, at Chicago's Navy Pier, Chicago, Illinois
ConferenceANTEC 2004, May 16-20, 2004, Chicago, IL. USA
ISBN1591247330
9781591247333
Pages2112–2116
Abstract
In this study, initially thick low density polyethylene / polyethylene terephthalate (LDPE/PET) multilayer blown films were biaxially stretched at different temperatures. The effect of draw temperature and draw speed as well as adhesion between the LDPE and PET layers, through a middle tie layer, on orientation and some properties is studied. The properties of interest are tensile properties, tear, impact strength and haze. The results indicate that the tie layer enhances the properties of stretched films and that toughness is strongly affected by draw ratio and little by draw speed and temperature in the ranges studied.
Publication date
PublisherSociety of Plastics Engineers
LanguageEnglish
Peer reviewedYes
NPARC number23003010
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