C08J2479/00

Resin composition and article made therefrom

A resin composition is useful for preparing an article such as a prepreg, a resin film, a laminate or a printed circuit board. The resin composition includes a benzoxazine resin of Formula (1) and a maleimide resin. The article made from the resin composition has high thermal resistance, low dielectric properties and high dimensional stability and meets the processability requirements of printed circuit boards involving multiple lamination processes and multiple assembly operations. ##STR00001##

Substrate-Independently Surface-Coated Polymer By Aromatic-Amine Compound and Coating Method Thereof

Disclosed herein is a substrate-independently surface-coated polymer by aromatic-amine compound and a coating method thereof, and in particular to a substrate-independently surface-coated polymer and a coating method thereof wherein an aromatic compound in which two or more amines are substituted on benzene, is substrate-independently surface-coated. The substrate-independently surface-coated polymer characterized in that the surface of a polymer substrate is coated in such a way to react, using a surface modifier, an aromatic compound of the following structural formula on at least one surface of the polymer substrate having a nucleophilic functional group or an electrophilic functional group.

SHEET MOLDING COMPOUND AND FIBER-REINFORCED COMPOSITE MATERIAL

The present invention enables the achievement of: an SMC which has excellent flexibility, while being suppressed in tackiness; and a fiber-reinforced composite material which uses this SMC, thereby being reduced in voids after molding. In order to achieve the above, a sheet molding compound according to the present invention has the configuration described below. Specifically, a sheet molding compound according to the present invention is formed from reinforcing fibers and a resin composition, and has a weight content of the fibers of from 40% to 60% (inclusive) and an air bubble content of from 5% by volume to 30% by volume (inclusive), while satisfying the formulae below in a dynamic viscoelasticity measurement at 25° C. 10.sup.5 Pa G′ (s)≤10.sup.9 Pa 1≤G′(s)/G″ (s)≤5 G′(s): storage elastic modulus (Pa) of sheet molding compound at 25° C. G″(s): loss elastic modulus (Pa) of sheet molding compound at 25° C.

Self-cooling foam-containing composite materials

Provided herein is a composite material that includes at least one thermoresponsive polymer and at least one organic foam material. Further provided herein is a method for producing the composite material and also to the use of the composite material for cooling and for regulating temperature.

RESIN COMPOSITION AND USES OF THE SAME
20170260365 · 2017-09-14 ·

A resin composition, comprising the following components: (a) a thermal-curable resin system, which has a dielectric loss (DO of not higher than 0.006 at 10 GHz; and (b) a metal hypophosphite of formula (I),

##STR00001## wherein a, R, and M.sup.a+ are as defined in the specification, and wherein the amount of the metal hypophosphite (b) is 1 wt % to 30 wt % based on the total weight of the resin system (a) and the metal hypophosphite (b).

RESIN COMPOSITION AND ARTICLE MADE THEREFROM
20210371657 · 2021-12-02 ·

A resin composition is useful for preparing an article such as a prepreg, a resin film, a laminate or a printed circuit board. The resin composition includes a benzoxazine resin of Formula (1) and a maleimide resin. The article made from the resin composition has high thermal resistance, low dielectric properties and high dimensional stability and meets the processability requirements of printed circuit boards involving multiple lamination processes and multiple assembly operations.

##STR00001##

COATING SUBSTRATE BY POLYMERIZATION OF AMINE COMPOUND AND APPARATUS HAVING POLYMER COATED SUBSTRATE
20220145030 · 2022-05-12 ·

This application features a method of forming a polymer layer on the surface of a substrate using a self-initiating monomer. A polymer layer is formed by polymerization of a monomer on a metal layer to fill or cover defects of the metal layer. The metal layer the polymer layer may be used as an airtight material.

Resin blends containing a phthalonitrile reactive diluent and a diphthalonitrile resin, prepregs, and articles

The present disclosure provides a resin blend. The resin blend includes at least one diluent containing a single phthalonitrile functional group and at least one diphthalonitrile resin. Also provided are prepregs including the resin blend impregnated into continuous reinforcing fibers or a cloth. Similarly, the present disclosure provides a molding compound including chopped reinforcing fibers distributed in the resin blend. An article is also provided, which includes polymerization product of the resin blend. An alternative article includes a substrate and a layer of the resin blend disposed on the substrate. The diluent typically improves processability of the resin blend and lowers the softening temperature of the polymerization product of the resin blend.

SELF-DISINFECTING GLOVE COMPOSITION AND METHOD OF PRODUCTION THEREOF

A method for manufacturing a self-disinfecting glove, the method comprising dissolving an elastomer in a solvent to form a solution, wherein the elastomer is selected from the group consisting of synthetic rubber, natural rubber, and nitrile. Adding of a photosensitizer to the elastomer solvent solution and evaporating the solvent solution to form a film, wherein the photosensitizer is selected from the group consisting of methylene blue, hypericin and titanium dioxide. Next hot pressing of the film above elastomer's melting point to form a sheet. Finally cutting, stacking and hot pressing the sheet again to enable even spread of the photosensitizer throughout the sheet.

SELF-COOLING FOAM-CONTAINING COMPOSITE MATERIALS

Provided herein is a composite material that includes at least one thermoresponsive polymer and at least one organic foam material. Further provided herein is a method for producing the composite material and also to the use of the composite material for cooling and for regulating temperature.