Patent ID: 7834120
Filing Date: 2010-11-16
Classification: C07F

Abstract:
1. A monofunctional monomer having a cage oligosiloxane structure, represented by the following general formula (1): wherein X is a polymerizable group of 1 to 40 carbon atoms containing any one of a methacryloyl group, acryloyl group, epoxide or cyclic acid anhydride, R 1 is independently selected from the class consisting of saturated hydrocarbon groups of 1 to 20 carbon atoms, aromatic hydrocarbon groups of 6 to 20 carbon atoms, organoxy groups of 1 to 20 carbon atoms, and halogen atoms, the R groups bonded to a common silicon atom may be the same or different, wherein in formula (1), R is one selected from the group consisting of methyl, chloromethyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, pentyl, cyclopentyl, isopentyl, tert-pentyl, hexyl, cyclohexyl, 4-tert-butylcyclohexyl, 2-ethylhexyl, octyl, isooctyl, decyl, dodecyl, stearyl, hexadecyl, octadecyl, eicosyl, phenyl, 4-tert-butylphenyl, 3,5-di-tert-butylphenyl, 2-tolyl, 3-tolyl, 4-tolyl, 2,6-dimethylphenyl, 2,4-dimethylphenyl, 3,5-dimethylphenyl, 3,4-dimethylphenyl, 2,5- dimethylphenyl, naphthyl, biphenylyl, phenanthryl, anthracenyl, benzyl, 1-phenylethyl, 2-phenylethyl, and naphthylethyl.