| 摘要 |
<p>Use of di- and mono-(trialkylammonium) mono- and di-alkyl-phosphates (I) as release agent in bulk polymerization of methyl methacrylate mixtures in casting cell is claimed. Use of di- and mono-(trialkylammonium) mono- and di-alkyl-phosphates of formula (I) as release agent in bulk polymerization of methyl methacrylate mixtures in casting cell is claimed. R 1> nPO 3 ->(HN +>-R 2> 3) m (I) R 1>methyl, ethyl, propyl, iso-propyl, butyl, iso-butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl; R 2>methyl, ethyl, propyl, iso-propyl, butyl; n : 1 or 2; and m : 2 or 1.</p> |
