Provided are a hydrocarbon resin and a method of preparing the same, wherein thermal polymerization of a diolefin and an olefin is performed, thus obviating a catalyst removal process, material supply problems can be solved, and a hydrogenated hydrocarbon resin can be prepared using a catalyst, which is inexpensive 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.

Provided are a hydrocarbon resin and a method of preparing the same, wherein thermal polymerization of a diolefin and an olefin is performed, thus obviating a catalyst removal process, material supply problems can be solved, and a hydrogenated hydrocarbon resin can be prepared using a catalyst, which is inexpensive 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 present invention relates to organic electronic devices, and more specifically to organic field effect transistors, comprising a dielectric layer that comprises a polycycloolefinic polymer with an olefinic side chain.

The present invention provides a film for forming which exhibits both excellent dimensional stability in processing and excellent formability as well as excellent appearance of surfaces and can thus be suitably applied to a variety of forming members through forming and used in forming decoration applications. Provided is a film for forming comprising a cyclic olefin-based resin as a main component, wherein the storage modulus at 120 C. is 101 MPa to 3,000 MPa and the storage modulus at 170 C. is 100 MPa or less.

The present invention provides a film for forming which exhibits both excellent dimensional stability in processing and excellent formability as well as excellent appearance of surfaces and can thus be suitably applied to a variety of forming members through forming and used in forming decoration applications. Provided is a film for forming comprising a cyclic olefin-based resin as a main component, wherein the storage modulus at 120 C. is 101 MPa to 3,000 MPa and the storage modulus at 170 C. is 100 MPa or less.

This invention relates to olefin metathesis catalysts and methods for controlling olefin metathesis reactions. More particularly, the present invention relates to methods and compositions for catalyzing and controlling ring opening metathesis polymerization (ROMP) reactions and the manufacture of polymer articles via ROMP. This invention also relates to olefin metathesis catalyst compositions comprising at least two metal carbene olefin metathesis catalysts, wherein the at least two metal carbene olefin metathesis catalysts are structurally different, are chemically different, are distinct compounds, are not isomers, are not structural isomers, are not diastereoisomers, are not stereoisomers, are not enantiomers, or are not cis/trans isomers of each other, or any combinations thereof. This invention also relates to a ROMP composition comprising a resin composition comprising at least one cyclic olefin, and an olefin metathesis catalyst composition comprising at least two metal carbene olefin metathesis catalysts, wherein the at least two metal carbene olefin metathesis catalysts are structurally different, are chemically different, are distinct compounds, are not isomers, are not structural isomers, are not diastereoisomers, are not stereoisomers, are not enantiomers, or are not cis/trans isomers of each other, or any combinations thereof. This invention also relates to a method of making an article comprising combining an olefin metathesis catalyst composition comprising at least two metal carbene olefin metathesis catalysts with a resin composition comprising at least one cyclic olefin, thereby forming a ROMP composition, and subjecting the ROMP composition to conditions effective to polymerize the ROMP composition, wherein the at least two metal carbene olefin metathesis catalysts are structurally different, are chemically different, are distinct compounds, are not isomers, are not structural isomers, are not diastereoisomers, are not stereoisomers, are not enantiomers, or are not cis/trans isomers of each other, or any combinations thereof. Polymer products produced via the metathesis reactions of the invention may be utilized for a wide range of materials and composite applications. The invention has utility in the fields of catalysis, organic synthesis, and polymer and materials chemistry and manufacture.

Monomers, polymers and copolymers are provided that incorporate at least one naturally occurring phenolic compound, such as a plant phenol.

The present invention is: a hydrogenated tetracyclododecene-based ring-opening polymer comprising a repeating unit (A) derived from tetracyclododecene in a ratio of 40 wt % or more based on a total amount of repeating units, a ratio of meso diads in the repeating unit (A) being 65% or more; and a method for producing the same. By means of the present invention, provided are: a crystalline hydrogenated tetracyclododecene-based ring-opening polymer having a high melting point and a high glass transition temperature, and exhibiting excellent heat resistance and excellent processability even after forming due to melt forming; and a method for producing the same.

Disclosed herein is a dental material containing a polymerizable hydrolysis stable polycyclic amide monomer. The present disclosure relates to methods of making and use of the polymerizable hydrolysis stable polycyclic amide monomer for the preparation of a dental polymerizable hydrolysis stable polycyclic amide monomer composition. The present disclosure further relates to a cured dental material obtained by polymerizing the dental material.

Disclosed herein is a dental material containing a polymerizable hydrolysis stable polycyclic amide monomer. The present disclosure relates to methods of making and use of the polymerizable hydrolysis stable polycyclic amide monomer for the preparation of a dental polymerizable hydrolysis stable polycyclic amide monomer composition. The present disclosure further relates to a cured dental material obtained by polymerizing the dental material.