Optical Properties of Blown Films of LDPE/HDPE Blends as a Structure Characterization Tool
Publish place: 03rd International Color and Coatings Congress
Publish Year: 1388
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCC03_030
تاریخ نمایه سازی: 6 اردیبهشت 1388
Abstract:
Polymers are amongst the industrially important materials which are finding widespread applications. The color and optical properties of these materials should be controlled precisely. The polymer films are very important packaging films. The optical properties of these films which are in many cases are composed from different blends closely depend on the blend composition. In this paper the optical properties of the blown films of LDPE/HDPE blends were investigated. It was found that the transmission mode is a more sensitive technique of measurement. The lightness (L*) measured in transmission is different from that measured in reflectance. This was attributed to surface and bulk structure of polymers and blends (crystallinity). The haze measurements divulged existence of a co-continuous structure in blend around 50%LDPE content
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Authors
M Mohammadi
Faculty of Polymer Processing, Iran Polymer and Petrochemical Institute
A.A Yousefi
Faculty of Polymer Processing, Iran Polymer and Petrochemical Institute Institute for Color Science and Technology
M Ehsani
Faculty of Polymer Processing, Iran Polymer and Petrochemical Institute
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