Method for preparing a modified crystalline propylene polymer

Details Method for preparing a modified crystalline propylene polymer Method for preparing a modified crystalline propylene polymer

C - Chemistry, Metallurgy

08

F

400/3080, 402/60

C08F 10/06 (2006.01) C08F 255/02 (2006.01) C08J 3/24 (2006.01) C08K 5/14 (2006.01)

Patent

CA 1048696

ABSTRACT OF THE DISCLOSURE A modified crystalline propylene polymer usable as a bonding material is prepared by uniformly admixing a crystalline propylene polymer, for example, isotactic polypropylene and propylene-ethylene block or random copolymer, with at least one modifying agent of the formula (I) or (II): Image (I) Image (II) wherein R represents a hydrogen atom or methyl radical, Me represents a Metal atom selected from 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 an organic peroxide, and heating the above admixture at a temperature not lower than the melting point and not higher than the thermal decomposing point of said crystalline propylene polymer. - 1 -

220165

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