Copolymers prepared by a reaction of (1) an unactivated olefin, (2) an activated olefin, and (3) a hydroxyl functional activated olefin and/or a hydroxyl functional unactivated olefin are described. The copolymers have a backbone of polar vinyl monomers and non-polar alkene monomers, with pendant hydroxyl functional groups. The copolymers are well suited for optically clear, pressure sensitive, polyurethane and/or barrier adhesives.

This invention relates to a hydrogenated hydrocarbon resin and a method of preparing the same, wherein the preparation process is simplified, material supply problems can be solved, and the hydrogenated hydrocarbon resin can be prepared using a catalyst, which is inexpensive, has a low odor and is easy to handle, thereby realizing a yield and a preparation process that enable real-world application thereof. The hydrogenated hydrocarbon resin prepared by the method of the invention has excellent compatibility and a low specific viscosity, and can thus be efficiently used as a tackifier or an adhesive in a variety of fields.

This invention relates to a hydrogenated hydrocarbon resin and a method of preparing the same, wherein the preparation process is simplified, material supply problems can be solved, and the hydrogenated hydrocarbon resin can be prepared using a catalyst, which is inexpensive, has a low odor and is easy to handle, thereby realizing a yield and a preparation process that enable real-world application thereof. The hydrogenated hydrocarbon resin prepared by the method of the invention has excellent compatibility and a low specific viscosity, and can thus be efficiently used as a tackifier or an adhesive in a variety of fields.

The invention relates to an efficient polymerization process and its use to produce novel copolymers with a specific micro structure. In particular, the invention relates to butyl rubbers with novel micro structure, preferably those obtainable by copolymerization of monomer mixtures comprising isobutylene and isoprene in diluents comprising 2,3,3,3 -tetrafluoro-1-propene. In a further aspect the invention relates to halogenated copolymers obtainable from such novel copolymers by halogenation.

The invention relates to an efficient polymerization process and its use to produce novel copolymers with a specific micro structure. In particular, the invention relates to butyl rubbers with novel micro structure, preferably those obtainable by copolymerization of monomer mixtures comprising isobutylene and isoprene in diluents comprising 2,3,3,3 -tetrafluoro-1-propene. In a further aspect the invention relates to halogenated copolymers obtainable from such novel copolymers by halogenation.

A process for precision polymerization is described using a system of a Lewis acid, a Lewis base and a Michael-type monomer that can form a frustrated triple, wherein a Michael-type monomer, optionally dissolved in an organic solvent, is reached with a Lewis acid to form at least one zwitterionic type complex, a Lewis base is added to form a frustrated triple with the zwitterionic type complex which initiates the polymerization reaction, and the reaction is continued to form a polymer.

In one preferred embodiment, the present invention provides a process for the liquid phase polymerization of isobutylene to manufacture highly reactive PIB oligomers having Mn under 1000, using a catalyst composition comprising a Friedel-Crafts catalyst a complexing agent, a chain transfer agent and a polymerization-retarding agent. A chain transfer agent may be selected from: -DIB and -DIB and mixtures thereof. ##STR00001## A polymerization-retarding agent may be selected from: ##STR00002##

In one preferred embodiment, the present invention provides a process for the liquid phase polymerization of isobutylene to manufacture highly reactive PIB oligomers having Mn under 1000, using a catalyst composition comprising a Friedel-Crafts catalyst a complexing agent, a chain transfer agent and a polymerization-retarding agent. A chain transfer agent may be selected from: -DIB and -DIB and mixtures thereof. ##STR00001## A polymerization-retarding agent may be selected from: ##STR00002##

The present application relates to method for oligomerizing olefin or for producing polyalphaolefin utilizing catalyst mixtures comprising aluminum halides and an organic liquid carrier. A process comprising contacting 1) a catalyst mixture comprising i) an aluminum trihalide and ii) an organic liquid carrier comprising first olefins, wherein the organic liquid carrier first olefins comprise at least 60 mole % 1,2-disubstituted olefins, trisubstituted olefins, or any combination thereof; and 2) a monomer comprising second olefins to form an oligomer product. An oligomer product produced by the process comprising contacting 1) a catalyst mixture comprising i) an aluminum trihalide and ii) an organic liquid carrier comprising first olefins, wherein the organic liquid carrier olefins comprise at least 75 mole % 1,2-disubstituted olefins, trisubstituted olefins, or any combination thereof; and 2) a monomer comprising second olefins to form an oligomer product.

The present application relates to method for oligomerizing olefin or for producing polyalphaolefin utilizing catalyst mixtures comprising aluminum halides and an organic liquid carrier. A process comprising contacting 1) a catalyst mixture comprising i) an aluminum trihalide and ii) an organic liquid carrier comprising first olefins, wherein the organic liquid carrier first olefins comprise at least 60 mole % 1,2-disubstituted olefins, trisubstituted olefins, or any combination thereof; and 2) a monomer comprising second olefins to form an oligomer product. An oligomer product produced by the process comprising contacting 1) a catalyst mixture comprising i) an aluminum trihalide and ii) an organic liquid carrier comprising first olefins, wherein the organic liquid carrier olefins comprise at least 75 mole % 1,2-disubstituted olefins, trisubstituted olefins, or any combination thereof; and 2) a monomer comprising second olefins to form an oligomer product.