1: ethylene,methyl methacrylate With 2,6-di-tert-butyl-4-(4-methyl-piperazin-1-ylmethyl)-phenol; platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex T=80°C; Inert atmosphere; 2: methyl dimethoxy silane With 2,6-di-tert-butyl-4-methyl-phenol T=80°C; Inert atmosphere;

1: 2-methyl-2-propenoic acid With potassium hydroxide in toluene 2: (3-chloropropyl)methyldimethoxysilane With 4,4'-bismethylene(2,6-di-tert-butylphenol); tetra-n-butyl phosphonium chloride in toluene; butanone T=110°C; 4 h;