The present invention relates to a vinyl polymer terminated in a silanol
group, a hydrolyzable silyl group or an acrylic functional group, to a
method of producing a vinyl polymer having a hydrolyzable silyl group at
one or more termini thereof which comprises reacting a vinyl polymer
having a silanol group at one or more termini thereof with a silicon
compound having two or more silicon atom-bound hydrolyzable groups, and a
method of producing a vinyl polymer having an acrylic functional group at
one or more termini thereof which comprises reacting a vinyl polymer
having a silanol group at one or more termini thereof with a silicon
compound represented by the general formula (3):
XSiR.sub.2--G--O--C(O)C(L).dbd.CH.sub.2 (3) wherein X is a hydrolyzable
group.