反応 #462789

反応方程式

styrene

di-tert-butyl peroxide

monobutyl maleate

→

styrene

maleic acid

溶媒

ethyl acetate

反応条件

後処理

1. 1
   その他Into a four-necked flask equipped with a stirrer
2. 2
   温度reflux condenser
3. 3
   温度was heated
4. 4
   その他kept at 75° to 78° C. under a stream of nitrogen gas
5. 5
   workup.ADDITIONwas added dropwise into the flask
6. 6
   その他to form a polymerization mixture which
7. 7
   その他copolymerization of the monomers
8. 8
   その他After completion of the polymerization reaction

実験手順

Into a four-necked flask equipped with a stirrer, reflux condenser, thermometer and gas-inlet tube were introduced 600 parts of ethyl acetate which was heated and kept at 75° to 78° C. under a stream of nitrogen gas. A monomer mixture composed of 249 parts of monobutyl maleate, 151 parts of styrene and 4 parts of di-tert-butyl peroxide as a polymerization initiator was added dropwise into the flask taking about 2 hours to form a polymerization mixture which was agitated for further 2 hours at the same temperature to effect copolymerization of the monomers. After completion of the polymerization reaction, the polymerization mixture was freed from the solvent by stripping under reduced pressure to give a solid copolymeric resin of maleic acid and styrene.

出典