C08G2261/418

Hydrocarbon-based polymers bearing an alkoxysilane end group

Polymer of formula (1) bearing an alkoxysilane end group: ##STR00001## in which: custom character is a double or single bond; each of R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 is H, a halo, an alkoxycarbonyl or an alkyl, m and p are each from 0 to 5, each of R and R is an alkyl, Z is an alkylene, optionally interrupted with COO, q is 0 or 1, r is 0, 1 or 2, and n is such that the number-average molar mass of the polymer (1) is from 400 to 50 000 g/mol, and the polydispersity index of the polymer (1) is from 1.0 to 2.0. Preparation by ring-opening metathesis polymerization. Use as an adhesion promoter or a reactive plasticizer.

OLEFINIC COMPOSITIONS COMPRISING HYDROCARBON RESINS
20240018298 · 2024-01-18 ·

The invention relates to compositions comprising at least one cyclic olefin monomer, optionally at least one linear olefin monomer, at least one thermoplastic hydrocarbon resin, and at least one olefin metathesis catalyst. The invention also relates to articles of manufacture made from the compositions of the invention, and methods of making the articles. The invention also relates to coating compositions comprising the compositions of the invention, and to objects or substrates coated with the coating compositions of the invention, which may then be cured. The invention also relates to methods of coating the objects or substrates with the coating compositions of the invention. The invention further relates to the use of the compositions of the invention as adhesives.

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##

Polystyrene sulfonate analogs and methods

Provided are polystyrene sulfonate analogs and methods of making polystyrene sulfonate analogs. The polystyrene sulfonate analogs may be formed by a ring opening metathesis polymerization (ROMP). The ROMP may provide analogs having a precise periodicity. The polystyrene sulfonate analogs may have a relatively low glass transition temperature.

Catalyst for ring expansion metathesis polymerization of cyclic monomers

A tetraanionic OCO pincer ligand metal-oxo-alkylidene complex is prepared from a trianionic pincer ligand supported metal-alkylidyne. The metal can be tungsten or other group 5-7 transition metal. The tetraanionic pincer ligand metal-oxo-alkylidene complex, a trianionic OCO pincer ligand metal complex, or a trianionic ONO pincer ligand metal complex can be used to polymerize cycloalkenes. The poly(cycloalkene)s are predominantly cis-alkene macrocyclics.

Block copolymer

The present application provides a block copolymer and uses thereof. The block copolymer of the present application exhibits an excellent self-assembling property or phase separation property, can be provided with a variety of required functions without constraint and, especially, etching selectivity can be secured, making the block copolymer effectively applicable to such uses as pattern formation.

ADHESION PROMOTERS AND GEL-MODIFIERS FOR OLEFIN METATHESIS COMPOSITIONS

This invention relates to compositions and methods for improving the adhesion of resin compositions to substrate materials, pre-treating substrate materials to improve the adhesion of resin compositions to the substrate materials, and/or controlling gel formation of resin compositions. More particularly, the invention relates to compositions and methods for improving the adhesion of ring opening metathesis polymerization (ROMP) compositions to substrate materials using adhesion promoters containing isocyanate groups in a resin composition. The invention also relates to methods for improving the adhesion of resin compositions to substrate materials by pre-treating substrate materials with adhesion promoters containing isocyanate groups. The invention further relates to a method of providing a gel-modified ROMP composition, in which a hydroperoxide is added to a ROMP polymerizable resin composition in order to control gel formation of the polymerizing resin. An improved ROMP composition is further disclosed, comprising a cyclic olefin, a ROMP metathesis catalyst, an adhesion promoter, and an added hydroperoxide gel modifier. The polymer products produced via ROMP 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.

Functionalized linear and cyclic polyolefins

This invention relates to methods and compositions for preparing linear and cyclic polyolefins. More particularly, the invention relates to methods and compositions for preparing functionalized linear and cyclic polyolefins via olefin metathesis reactions. Polymer products produced via the olefin metathesis reactions of the invention may be utilized for a wide range of materials applications. The invention has utility in the fields of polymer and materials chemistry and manufacture.

Resin film, barrier film, electrically conductive film, and manufacturing method therefor

Provided is a barrier film including a resin film and a barrier layer provided on the resin film. Also provided is an electroconductive film including a resin film and an electroconductive layer provided on the resin film. The resin film is formed of a resin containing an alicyclic structure-containing polymer having crystallizability. An absolute value of a thermal size change ratio when the resin film is heated at 150 C. for 1 hour is 1% or less in any in-plane direction of the resin film.

Surface treatments for wearable devices
10619022 · 2020-04-14 · ·

A wearable device including a body made of an elastic material having a polymeric backbone where a portion of the polymeric backbone is unsaturated. The body has an outer surface that is oxidized on at least one part with at least one functional group where the at least one part of the outer surface is more oleophobic than the body.