Preparation of polymer modified bitumen (PMB) from polyethylene terephthalate (PET) derived polyamido amine
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United States of America Patent
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Dec 27, 2016
Grant Date -
Oct 1, 2015
app pub date -
Mar 16, 2015
filing date -
Mar 26, 2014
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Abstract
The present invention relates a novel approach to prepare Polymer Modified Bitumen by using terephthalamide additives, derived from PET, for improving bitumen quality. Particularly, the present invention provides a process to utilize waste PET, which is a threat to environment and is available commercially in different physical forms, for conversion into industrially useful additive for bituminous product.
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