| abstract |
A polyolefin comprising polypropylene or an ethylene/propylene random copolymer modified with a (meth)acrylic derivative unit at only the terminal thereof and being nearly monodispersed, characterized in that the terminal of polypropylene or an ethylene/propylene random copolymer prepared by living polymerization is modified with the unit of a (meth)acrylic derivative such as vinyl methacrylate, allyl methacrylate, trimethylsiloxyethyl methacrylate, 2-trimethylsiloxypropyl methacrylate, N,N-dimethylaminoethyl methacrylate, N,N-diethylaminoethyl methacrylate, glycidyl methacrylate or acryloyl chloride. |