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Method of production of 2,2 - bis (3,5 - dibromo - 4 - (2 - hydroxyethoxy) phenyl) propane crystalline
Method of production of 2,2 - bis (3,5 - dibromo - 4 - (2 - hydroxyethoxy) phenyl) propane crystalline
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机译:制备2,2-双(3,5-二溴-4-(2-羟基乙氧基)苯基)丙烷结晶的方法
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摘要
The present process relates to the production of crystalline 2, 2-bis 3, 5-dibromo-4-(2-hydroxyethoxy)phenyl! propane by cooling the molten material with shear. An especially useful aspect of this invention involves the continuous crystallization of 2,2-bis 3,5-dibromo-4-(2- hydroxyethoxy) phenyl! propane employing a scraped surface heat exchanger to achieve the desired rate of cooling and shear.
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