Study on the Heat Shrinkable Property of Opaque COC/PETG Film

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Abstract:

This paper has studied heat shrinkable properties of COC/PETG blending film with microvoids inside. The shrink curve, shrink force, film structure and light barrier effect were studied by use of electron stretcher, SEM, shrink force tester, ultraviolet spectrophotometer and so on. The results indicated that COC/PETG blending film with many microvoids inside can receive more than 70% shrinkage and lower shrink force by comparing transparent PETG shrink film. At the same time, COC/PETG shrink film has excellent UV-light barrier effect from 310-400nm which also has good visual light barrier effect from 400-800nm because of it 85% opacity and 25% transparency.

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Periodical:

Advanced Materials Research (Volumes 1061-1062)

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125-128

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Online since:

December 2014

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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