A color conversion composition is configured to convert incident light into light having a wavelength longer than that of the incident light. The color conversion composition includes: an organic luminescent material (A) having a full width at half maximum of a peak of 10 nm or larger and 50 nm or smaller, the peak indicating a maximum radiant intensity in an emission spectrum; and a resin (B) having an alicyclic structure, a ratio of a repeating unit having the alicyclic structure in the resin being 50% by weight or higher in a total amount of the resin.

Oligomers of certain glyceride compounds are generally disclosed herein. In some embodiments, the glyceride compounds include natural oil glycerides, such as glycerides derived from natural oils, such as palm oil, soybean oil, canola oil, and the like. Compositions containing such glyceride oligomers are also disclosed herein. Processes for making such glyceride oligomers are also disclosed herein. In some embodiments, the processes for making such compounds include reacting a plurality of unsaturated glyceride compounds in the presence of a metathesis catalyst.

The present invention relates to a norbornene-based crosslinked polymer containing at least one member selected from the group consisting of dicyclopentadiene-based monomer units, tetracyclododecene-based monomer units, and tricyclopentadiene-based monomer units in an amount of 50% by mass or more, wherein the norbornene-based crosslinked polymer has a glass transition temperature of 240 C. or higher. Further, the present invention relates to a method for producing a norbomene-based crosslinked polymer as defined above, including step (1): heating a blend containing at least one member of the above monomer components, and a metathesis polymerization catalyst to a temperature lower than a deactivation temperature of the metathesis polymerization catalyst to carry out a primary curing; and step (2): heating a cured product obtained in the step (1) to a temperature equal to or higher than the deactivation temperature of the above metathesis polymerization catalyst to carry out a secondary curing.

Provided is a hydrogenated ring-opened polymer having excellent ductility. The hydrogenated ring-opened polymer includes 90 mass % or more of norbornene-derived structural units. The proportion of meso diads of cis-structural units (I) of formula (I), shown below, included among the norbornene-derived structural units is not less than 0% and not more than 30% or is not less than 70% and not more than 100%. Trans-structural units (II) of formula (II), shown below, constitute a proportion of not less than 0.5% and not more than 20% among the total of the cis-structural units (I) of formula (I) and the trans-structural units (II) of formula (II). ##STR00001##

A composite material obtained by impregnating a fibrous filler to which a hydrocarbon-based resin is attached with a polymerizable composition containing a cycloolefin monomer and a metathesis polymerization catalyst is provided. According to the present invention, it is possible to provide a composite material which has no impregnation unevenness and can give a composite material molded article having excellent strength.

Nitrogen heterocyclic carbine ligands and ruthenium catalysts thereof, a preparation method therefor and an application thereof are provided. The structures of the nitrogen heterocyclic carbine ligands are represented by formulas Ia and Ib, respectively, and the corresponding ruthenium catalyst structures are represented by IIa and IIb, respectively. After simultaneously introducing large-steric hindrance and electron-rich groups into the described nitrogen heterocyclic carbine ligand structures, the catalytic activity, stability and application range of the ruthenium complex catalysts thereof are significantly improved. ##STR00001##

A random copolymer includes a repeating unit represented by the following formula (I) and a repeating unit represented by the following formula (II). In formula (I), R.sup.1 to R.sup.4 each represent, independently of one another, a hydrogen atom, a halogen atom, or an organic group (however, a case in which any one of R.sup.1 to R.sup.4 is a phenyl group and the rest of R.sup.1 to R.sup.4 are hydrogen atoms is excluded). In formula (II), R.sup.5 to R.sup.8 each represent, independently of one another, a hydrogen atom, a hydrocarbon group having a carbon number of 1 to 20, or a group including one or more atoms selected from the group consisting of a halogen atom, a silicon atom, an oxygen atom, and a nitrogen atom, R.sup.5 to R.sup.8 may be bonded to one another to form a ring, and m is an integer of 0 to 2.

##STR00001##

Provided is a resin that can simultaneously achieve a high refractive index, high heat resistance, and low birefringence. A hydrogenated cycloolefin copolymer is obtained through hydrogenation of a cycloolefin copolymer that includes a structural unit derived from 1-naphthylnorbornene and a structural unit derived from 2-naphthylnorbornene, wherein an average endo isomer ratio of the 1-naphthylnorbornene and the 2-naphthylnorbornene is 50 mol % or more. The hydrogenated cycloolefin copolymer is suitable for use as a material of an optical element such as an optical lens.

A method for forming a film for the fabrication of a microelectronic or optoelectronic device comprising a series of diazirine compounds of formula (I) having utility as photocrosslinkers are disclosed. ##STR00001##
Where, A, L, z, Ar.sub.x and R.sub.y are as defined herein.

A method i for forming an epoxidized polymer is provided. The method may include mixing an epoxidized plant oil with a synthetic epoxy resin and crosslinking the epoxidized plant oil and the synthetic epoxy resin using a curing agent. The epoxidized plant oil may be formed via: converting plant oil triglycerides to fatty amide alcohols via aminolysis using primary or secondary amines, converting the fatty amide alcohols to epoxidized fatty amide alcohols, and reacting the epoxidized fatty amide alcohols with vinyl monomers to obtain epoxidized plant oil monomers.