process for haerten of acrylsaeureesterderivaten with ionizing radiation.

摘要

1399105 Hydantoin and isocyanurate derivatives CIBA-GEIGY AG 25 July 1972 [17 Aug 1971] 34823/72 Heading C2C [Also in Divisions B2 and C3] Compounds of the formula wherein each R 1 and each R 3 independently represent H or methyl, each R 2 represents H, alkyl optionally interrupted by one or more O atoms, or phenyl, or R 2 and R 3 together represent a trimethylene or tetramethylene radical, each m is an integer from 1-30, n is 2 or 3, and A represents a divalent or trivalent organic radical containing at least one group of the formula wherein Z represents a divalent or (when A is trivalent) trivalent radical which completes a 5- or 6-membered, unsubstituted or substituted heterocyclic ring, are prepared by reacting a compound of the formula where the various symbols are as defined above, with acrylic or methacrylic acid or an ester thereof (e.g. the methyl ester). Preparations are illustrated of di(meth)acrylates having a radical A containing a hydantoin or cyanuric acid growing.