1942
DOI: 10.1021/ja01256a037
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Resin Acids from Pine Tar

Abstract: Pine tar is obtained by destructive distillation of the resinous wood of several species of Southern pine, largely Pinus palustris Miller (longleaf pine) and Pinus caribaea Morelet (slash pine). The mixture of resin acids extracted from pine tar has now been found to be similar to the "pyroabietic" acid obtained by heating abietic acid or rosin at 275-350°and which has been shown1 to consist in large part of a mixture of dehydro-and dihydroabietic acids formed by disproportionation of the original acids.Variou… Show more

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Cited by 2 publications
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“…Thus, colophony, at least from a sourcing point of view, is an extremely sustainable, environmentally responsible consolidant. Obtaining rosin, and its more valuable counterpart, turpentine, from the tapped resin is a more energy-intensive process known as destructive distillation [70].…”
Section: Waxes and Resinsmentioning
confidence: 99%
“…Thus, colophony, at least from a sourcing point of view, is an extremely sustainable, environmentally responsible consolidant. Obtaining rosin, and its more valuable counterpart, turpentine, from the tapped resin is a more energy-intensive process known as destructive distillation [70].…”
Section: Waxes and Resinsmentioning
confidence: 99%