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    • 24. 发明专利
    • INGREDIENT FOR COATING COMPOSITION
    • JPH051250A
    • 1993-01-08
    • JP21326791
    • 1991-05-18
    • MITSUI PETROCHEMICAL IND
    • MIZUI KIMIYAOHIRA AKIOTAKEDA MASAMI
    • C08F240/00C09D7/12
    • PURPOSE:To provide an ingredient which, when compounded into a coating compsn., improves the applicability and drying characteristics of the compsn. and also improves the weatherability, water resistance, adhesive properties, heat resistance, etc., of a coating film resulting from the compsn. CONSTITUTION:The ingredient comprises a hydrocarbon resin which is obtd. by polymerizing a monomer mixture substantially consisting of a hydrocarbon (A) selected from the group consisting of a 3-10C unsatd. linear hydrocarbon and an 8-16C arom. hydrocarbon having an unsatd. side chain and at least one hydrocarbon (B) selected from the group consisting of a 1,2- dihydrodicyclopentadiene compd., a 2-norbornene compd., an alkylidenenorbornane compd., an alkylidenecyclohexene compd., a vinylnorbornane compd., a vinylcyclohexane compd., and a cyclohexene compd. in the presence of a polymn. catalyst, composed of 20-98mol% units derived from the hydrocarbon A and 2-80mol% units derived from the hydrocarbon B, and has a softening point of 60-170 deg.C, a melt viscosity of 10-10,000cp, and a number-average mol.wt. of 300-3,000.