Assertion: turpentine | /r/CapableOf | undergo exothermic reaction
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text: The instant invention is based upon the discovery that turpentine, when subjected to the action of boron trifluoride, undergoes an exothermic reaction which, if appropriately controlled, results in a product which may involve as many as three phases: black, red and yellow, but from which a homogeneous, buttery, and unexpected ly useful polymeric composition can be recovered in high yield.