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    Author(s): R.W. Hemingway
    Date: 1976
    Source: In: Applied Polymer Symposium No. 28: 1349-1364
    Publication Series: Miscellaneous Publication
    PDF: Download Publication  (2.09 MB)


    The forest products industries of the southern United States harvest approximately 7 million dry tons of pine bark each year. This resource receives little utilization other than recovery of fuel values. approximately 2 million dry tons (30-40% of bark dry weight) of potentially valuable polyflavonoids are burned annually. Conifer bark flavonoids have potential industrial application in manufacture of antioxidants, pigments, adhesives, clay dispersants, grouting agents, water-soluble heavy-metal fertilizers, ion exchange resins, and additives for boiler water, and drilling muds [1]. As witnessed by the recent interest in finding substitutes for phenol, the commercial potential for silvichemicals is improving greatly.

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    Hemingway, R.W. 1976. Progress in the chemistry of shortleaf and loblolly pine bark flavonoids. In: Applied Polymer Symposium No. 28: 1349-1364

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