| abstract |
PCT No. PCT/JP97/02740 Sec. 371 Date Apr. 8, 1998 Sec. 102(e) Date Apr. 8, 1998 PCT Filed Aug. 7, 1997 PCT Pub. No. WO98/06784 PCT Pub. Date Feb. 19, 1998This invention provides a rosin-based molecular crystal formed from the following component A and component B: Component A: dehydroabietic acid or a rosin-based resin acid containing dehydroabietic acid as an essential constituent Component B: at least one rosin-based resin acid alkali metal salt selected from the class consisting of lithium, sodium and potassium salts of said component A, a polyolefin resin nucleating agent comprising the rosin-based molecular crystal, a polyolefin resin composition comprising the nucleating agent and if desired a calcium compound, and a molded article obtainable by molding the resin composition. |