C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/3080, 400/53
C08F 255/02 (2006.01) C08F 8/00 (2006.01)
Patent
CA 1048686
METHOD FOR THE PREPARATION OF A MODIFIED CRYSTALLINE PROPYLENE POLYMER ABSTRACT OF THE DISCLOSURE A method for the preparation of a modified crystalline propylene polymer usable as a bonding material is disclosed, in which method a crystalline propylene polymer, for example, isotactic polypropylene and a propylene-ethylene block or random copolymer, is uniformly admixed with a modifying com- position consisting of at least one organic peroxide, and a modifying agent consisting of ?-methacryloyloxypropyl- trimethoxysilane (Component (1)) and at lease one ethylenically unsaturated organic compound (Component (2)) selected from the compounds of the formulae (I) through (V): (I), Image Image (II), Image (III), - 1 - Image (IV), and Image (V) wherein R1 through R9 respectively represent a hydrogen atom or methyl radical, Me represents a metal atom in Groups I, II, III and VIII in the Periodic Table, ? represents an integer corresponding to the valence of the metal atom Me, and m and n each represent 0 or 1, and heating the above admixture at a temperature lower than the thermal decomposing point but not lower than the melting point of said crystalline propylene polymer. - 2 -
221236
Fukui Osamu
Nakamura Yoichi
Ogihara Sadahide
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