C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/2039
C08F 255/00 (2006.01)
Patent
CA 1062842
ABSTRACT OF THE DISCLOSURE A modified elastomer having a phenolic hydroxyl group on the side chain which is excellent in tackiness and in compat- ibility with other elastomers, characterized in that the elast- omer is obtained by graft-copolymerizing an elastomer, prepared by copolymerizing ethylene with at least one o-olefin represented by the general formula R'-CH=CH2, wherein R' is an alkyl group, and at least one non-conjugated diene or polyene, with at least one phenolic monomer represented by the general formula (A), Image wherein R is a lower alkyl group or a hydrogen atom; and R1 to R5 are individually an alkyl group, a hydrogen atom or a hydroxyl group, one of said R1 to R5 being a hydroxyl group, and the said hydroxyl group may have been protected by an alkyl, acyl or the like group. The elastomers have excellent tackiness and favour- able compatibility with other unsaturated elastomers 35 to be readily processable. They are particularly useful as rubber adhesives of excellent resistance and can be used in latexes which may be applied to fiber or paper processing or utilized as paints, tackifiers, adhesives and coating agents which are ordinarily usable in the form of latexes.
240170
Kagaya Kazuyoshi
Kanagawa Shuichi
LandOfFree
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