C08F232/04

Copolymer, polymer, molding material and resin molded body

The present invention provides: a copolymer (A) which is a copolymer obtained by copolymerizing one or plural cycloolefin monomers and one or plural acyclic olefin monomers, or by copolymerizing two or more cycloolefin monomers, wherein a glass transition temperature (Tg) is 100 C. or higher, a refractive index is 1.545 or higher, and an Abbe's number is 50 or larger; a polymer (B) selected from: a ring-opening homopolymer obtained by ring-opening polymerization of only a monomer represented by formula (I), a ring-opening copolymer obtained by ring-opening copolymerization of the monomer represented by formula (I) and a monomer capable of ring-opening copolymerization with the monomer represented by formula (I), a hydrogenated product of the ring-opening homopolymer and a hydrogenated product of the ring-opening copolymer; a forming material containing the copolymer (A) or the polymer (B); and a resin formed article obtained by forming the forming material. ##STR00001##

Copolymer, polymer, molding material and resin molded body

The present invention provides: a copolymer (A) which is a copolymer obtained by copolymerizing one or plural cycloolefin monomers and one or plural acyclic olefin monomers, or by copolymerizing two or more cycloolefin monomers, wherein a glass transition temperature (Tg) is 100 C. or higher, a refractive index is 1.545 or higher, and an Abbe's number is 50 or larger; a polymer (B) selected from: a ring-opening homopolymer obtained by ring-opening polymerization of only a monomer represented by formula (I), a ring-opening copolymer obtained by ring-opening copolymerization of the monomer represented by formula (I) and a monomer capable of ring-opening copolymerization with the monomer represented by formula (I), a hydrogenated product of the ring-opening homopolymer and a hydrogenated product of the ring-opening copolymer; a forming material containing the copolymer (A) or the polymer (B); and a resin formed article obtained by forming the forming material. ##STR00001##

GELS DERIVED FROM POLY(ETHYLIDENE NORBORNENE)-B-POLY(CYCLOPENTENE) BLOCK COPOLYMER NANOCOMPOSITES FOR VISCOSITY MODIFICATIONS AND DRILLING FLUID APPLICATIONS
20200071469 · 2020-03-05 ·

The present application is directed to a nanocomposite organo gel having a continuous polymeric network structure, wherein polymer chains are held together by ionic interaction between polymer chain ends, interparticle chain entanglements, layered silicate surface modifier, ionic salt, and layered silicate. The present application is also directed to methods of making and using the nanocomposite organo gel.

Amphiphilic cyclobutenes and cylobutanes

This disclosure relates to amphiphilic compounds containing a cyclobutene or cyclobutane moiety. In some embodiments, the compounds are useful for treating infection by Mycobacterium such as Mycobacterium tuberculosis. Cyclobutene containing compounds are also useful as monomers in the preparation of amphiphilic polymers.

Amphiphilic cyclobutenes and cylobutanes

This disclosure relates to amphiphilic compounds containing a cyclobutene or cyclobutane moiety. In some embodiments, the compounds are useful for treating infection by Mycobacterium such as Mycobacterium tuberculosis. Cyclobutene containing compounds are also useful as monomers in the preparation of amphiphilic polymers.

Modified hydrocarbon resin, method for producing the resin, and hot-melt adhesive composition

Provided are a modified hydrocarbon resin that can provide a hot-melt adhesive composition with low odor, low Gardner color and high peel adhesion, a method for producing the resin, and the hot-melt adhesive composition. A modified hydrocarbon resin comprising a 1,3-pentadiene monomer unit, a C4-C6 alicyclic monoolefin monomer unit, a C4-C8 acyclic monoolefin monomer unit, an alicyclic diolefin monomer unit, and an aromatic monoolefin monomer unit, and containing a carboxyl group or acid anhydride group, wherein a weight average molecular weight (Mw), a Z average molecular weight (Mz), a ratio (Mz/Mw), a Gardner color scale of a 50 mass % toluene solution, a softening point, and an acid value are in specific ranges.

Modified hydrocarbon resin, method for producing the resin, and hot-melt adhesive composition

Provided are a modified hydrocarbon resin that can provide a hot-melt adhesive composition with low odor, low Gardner color and high peel adhesion, a method for producing the resin, and the hot-melt adhesive composition. A modified hydrocarbon resin comprising a 1,3-pentadiene monomer unit, a C4-C6 alicyclic monoolefin monomer unit, a C4-C8 acyclic monoolefin monomer unit, an alicyclic diolefin monomer unit, and an aromatic monoolefin monomer unit, and containing a carboxyl group or acid anhydride group, wherein a weight average molecular weight (Mw), a Z average molecular weight (Mz), a ratio (Mz/Mw), a Gardner color scale of a 50 mass % toluene solution, a softening point, and an acid value are in specific ranges.

Copolymer, film composition and composite material employing the same

A copolymer, a film composition and a composite material employing the same are provided. The copolymer is a copolymerization product of a composition, wherein the composition includes a monomer (a), a monomer (b) and a monomer (c). The monomer (a) is a compound having a structure represented by Formula (I), the monomer (b) is a compound having a structure represented by Formula (II), and the monomer (c) is a compound having a structure represented by Formula (III) ##STR00001##
wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are as defined in specification.

Copolymer, film composition and composite material employing the same

A copolymer, a film composition and a composite material employing the same are provided. The copolymer is a copolymerization product of a composition, wherein the composition includes a monomer (a), a monomer (b) and a monomer (c). The monomer (a) is a compound having a structure represented by Formula (I), the monomer (b) is a compound having a structure represented by Formula (II), and the monomer (c) is a compound having a structure represented by Formula (III) ##STR00001##
wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are as defined in specification.

Functionalized low molecular weight sterically encumbered oligomers

Low molecular weight, high Tg resins, with applications including tire additives and adhesives. An oligomer is obtained by ring opening metathesis polymerization (ROMP) of a sterically encumbered cyclic monomer with an olefinic chain transfer agent. The sterically encumbered cyclic monomer and the olefinic chain transfer agent are present in the polymerization at a molar ratio of from 2:1 to about 40:1. Also, methods for making the oligomer by ROMP.