| 摘要 |
1. Diacrylic and dimethylacrylic acid esters of the general formula see diagramm : EP0104491,P20,F2 where R**1 means an ethylene, propylene, butylene, hexamethylene, phenylene, toluylene, methylene bisphenyl, propylene bisphenyl, cyclohexane, dicyclopentane dimethylene, methylene biscyclohexyl or propylene biscyclohexyl group ; R**2 means hydrogen or methyl ; R**3 means a -CH=CH-, -CH2 CH2 - or -CH2 CH2 CH2 CH2 - group ; an optionally substituted or hydrogenated benzene ring, a cyclohexane, cyclohexene or a cis-norbornene group, and R**4 means hydrogen or the group see diagramm : EP0104491,P20,F3 where R**5 represents n-butyl, isobutyl or a possibly substituted phenyl or cyclohexyl group. |
