| 摘要 |
1429039 Dialkyl phosphinyl alkane sulphonates HOECHST AG 1 Aug 1973 [3 Aug 1972] 36539/73 Heading C2P Novel compounds of Formula I: where R 1 and R 2 are C 1-4 alkyl, n is 1 to 12 and M is an alkali metal may be prepared by reacting a compound of Formula II: where X is halogen with an alkali metal sulphite. The compounds of Formula I may be used as flameproofing agents for polyesters. |
