Alkyl Fumarate−Vinyl Acetate Copolymer as Flow Improver for High

Regional Research Laboratory, Jorhat 785006, Assam, India .... polymeric additive as pour point depressant to improve flow properties of Indian waxy c...
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Energy & Fuels 1996, 10, 844-848

Alkyl Fumarate-Vinyl Acetate Copolymer as Flow Improver for High Waxy Indian Crude Oils A. Borthakur,* D. Chanda, S. R. Dutta Choudhury, K. V. Rao, and B. Subrahmanyam Regional Research Laboratory, Jorhat 785006, Assam, India Received November 21, 1995. Revised Manuscript Received February 28, 1996X

A number of alkyl fumarate-vinyl acetate copolymers having a wide range of molecular weights were prepared by solution polymerization using a variety of solvents. The efficacy of these copolymers as flow improvers (FI)/pour point depressants (PPD) was tested on Indian crude oils having similar wax (