| 摘要 |
The present invention relates to a composition comprising from about 25 to about 70, preferably about 50, per cent of isopropyl sec-butyl peroxydicarbonate, from about 15 to about 45, preferably about 25 per cent, of diisopropyl peroxydicarbonate and from about 15 to about 45, preferably about 25 per cent of di-sec-butyl peroxydicarbonate. This composition has better physical properties and better safety characteristics than diisopropyl peroxydicarbonate. The present composition is preferably used in the polymerization of vinyl chloride and diethylene glycol bis(allyl carbonate). |
