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A novel hydrophilized blended HDPE/EVA microporous flat sheet membranes via thermally induced phase separation (TIPS) method

Publish place: 07th International Congress on Chemical Engineering
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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https://civilica.com/doc/340953

شناسه ملی سند علمی:

ICHEC07_200

تاریخ نمایه سازی: 25 فروردین 1394

Abstract:

In this work, hydrophilic microporous flat sheet membranes were prepared using binary blended of high density polyethylene (HDPE) and ethylene vinyl acetate (EVA) via thermally induced phase separation (TIPS). Polyethylene and ethylene vinyl acetate were used as polymeric mixture and paraffin oil was used as diluent. Homogeneous polymer-diluent samples were prepared in three different ratios of EVA to HDPE, while the total polymer-diluent ratio was kept constant. The hot blended polymeric mixtures were cast over pre-heated flat glass at 180oC to fabricate flat plate polymeric membranes. The cast polymeric solution immerseed in water bath contaning water at 60oC. The fabricated HDPE/EVA blended membranes showed that with increasing the EVA ratio to HDPE, the water permeation as well as mechanical strength considerably increased.

Keywords:

Thermally induced phase separation , microporous membranes , hydrophilic membranes , polyethylene , ethylene vinyl acetate

Authors

Leyla Noori

Faculty of Chemical Engineering, Sahand University of Technology, Tabriz, Iran . Membrane Technology Research Center, Sahand University of Technology, Tabriz, Iran

Reza Yegani

Faculty of Chemical Engineering, Sahand University of Technology, Tabriz, Iran . Membrane Technology Research Center, Sahand University of Technology, Tabriz, Iran

Nader Jahanbakhshi

Faculty of Chemical Engineering, Sahand University of Technology, Tabriz, Iran . Membrane Technology Research Center, Sahand University of Technology, Tabriz, Iran

Elham shokri

Faculty of Chemical Engineering, Sahand University of Technology, Tabriz, Iran . Membrane Technology Research Center, Sahand University of Technology, Tabriz, Iran

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