| http://www.w3.org/ns/prov#value | - On pages 448 and 458 there is discussion of uses of fluorocarbon chemicals to improve repellency.Materials containing perfluorocarbon segments have long been utilized to impart oil and grease repellant properties to a wide variety of substrates, including cellulosic materials such as textiles and paper (e.g. Sizing with fluorochemicals, R. D. Howells, 1997 Sizing Short Course, Nashville, Tenn., Ap
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