Synthesis and Applications of Non-woven Polyester Fabric-Reclaim Butyl Rubber Composite
Juily Pawaday, Bhavesh Padhiyar, Shrikant J Wagh
Compression molding, Gasket, Insulating material, Polyester reinforced rubber, Recycling, Sustainability
Non-woven cross-linked polyester fabric cutting waste from an apparel industry has been recycled through mechanical recycling route to form a novel composite material with Reclaim Butyl Rubber (RBR). Fourier Transform Infrared Spectroscopy (FTIR) spectra of the polyester fabric revealed the cross-linked nature of the material with the presence of multiple functional entities. The fabric is found to undergo thermal degradation in the range of 240-300℃, indicated by the peaks of Differential Scanning Calorimetry (DSC) curve. This study focuses on utilizing the strength and durability of the two raw materials involved to form a Polyester Reinforced Rubber (PRR) with improved stability and process ability. Introduction of plasticizer at the compounding stage has imparted exceptional surface finish to the cured composite. A detailed chemical and mechanical analysis of PRR has been done, which indicates the compatibility of the two polymers and enhancement in the hardness of the reclaim butyl rubber by around 10-15 units. The PRR has then been subjected to compression molding to fabricate commercial products like insulating films and gaskets, which exhibit significant electrical insulating properties and chemical stability. A brief economic analysis of PRR gasket and virgin butyl rubber gasket shows a reduced cost margin of 14.6% in the processing cost of the former, validating the market potential of the product. The utilization of these industrial waste materials, whose current disposal practices pose a concern at environmental level, into serviceable products gives a route for sustainable recycling practices.
Article Details
Unique Paper ID: 153678

Publication Volume & Issue: Volume 8, Issue 8

Page(s): 384 - 391
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