| 摘要 |
1327354 Esters STAMICARBON NV 12 May 1972 [14 May 1971] 22431/72 Heading C2C [Also in Division C3] The invention comprises a diester derived from 1-(2-hydroxyethoxy) propanol-2 and/or 2-(2-hydroxyethoxy) propanol-1, wherein either both of the acid moieties are benzoic acid, or one of the acid moieties is benzoic acid and the other is a saturated C 6 -C 12 aliphatic carboxylic acid. The compounds are prepared by reacting the appropriate alcohols and acids at between 200‹ and 300‹ C. and separating reaction water from the reaction mixture during reaction by evaporation. |
