| 摘要 |
1305175 Plasticizer E I DU PONT DE NEMOURS & CO 23 April 1971 [24 April 1970] 11173/71 Heading C3R A plasticizer having a hydroxyl number no greater than 40 comprises the eaterification product of a mixture of 30 to 35 mole per cent adipic acid, 43 to 48 mole per cent neopentyl glycol and 20 to 25 mole per cent benzoic acid. |
