Methods for producing crosslinkable oligomers

Details Methods for producing crosslinkable oligomers Methods for producing crosslinkable oligomers

C - Chemistry, Metallurgy

08

F

C08F 220/00 (2006.01)

Patent

CA 2578067

A process for preparing crosslinkable oligomers comprising reacting at least one monomer having the structure: VHC=CHX, wherein more than 60% of such monomer or monomers has at least one crosslinkable functional moiety, and at least one monomer having the structure: WHC=CYZ at certain molar ratios and reaction conditions, in which V, X, W, and Z are predefined in the text. Curable coatings, sealants, and adhesives utilizing such crosslinkable oligomers and block, branched, star and comblike graft crosslinkable copolymers derived from such crosslinkable oligomers are also disclosed.

L'invention concerne un procédé permettant de préparer des oligomères réticulables consistant à faire réagir au moins un monomère présentant la structure suivante : VHC=CHX, dans laquelle plus de 60 % du ou des monomères comprennent au moins une fraction fonctionnelle réticulable, et au moins un monomère présentant la structure suivante : WHC=CYZ à certains ratios molaires et dans certaines conditions de réaction, dans laquelle V, X, W et Z sont prédéfinis dans le descriptif. L'invention concerne également des revêtement durcissables, des agents de scellement et des adhésifs utilisant ces oligomères réticulables et des copolymères réticulables greffés bloc, ramifiés, en étoile et en peigne dérivés des oligomères réticulables selon l'invention.

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