Patent ID: 7943120

Claim:
A silicone-modified olefin wax (B) obtained by addition-reaction of a hydrogen silicone having one or more SiH bonds in one molecule to an olefin wax (A) in the presence of a catalyst, wherein the olefin wax is a copolymer (A1) obtained by copolymerizing ethylene and at least one diene or a copolymer (A2) obtained by copolymerizing ethylene, at least one olefin selected from α-olefins of 3 to 12 carbon atoms and at least one diene, wherein (i) the content of unsaturated groups per one molecule is in the range of 0.5 to 3.0 groups, (ii) the density is in the range of 870 to 980 kg/m 3 , (iii) the melting point is in the range of 70 to 130° C., (iv) the number-average molecular weight is in the range of 400 to 5,000, and (v) the ratio (Mw/Mn) of the weight-average molecular weight to the number-average molecular weight is not more than 4.0.