C08G2650/56

POLY(ARYLENE ETHER) COPOLYMER, METHOD TO PREPARE THE SAME, AND ARTICLE DERIVED THEREFROM
20230227606 · 2023-07-20 ·

A capped poly(arylene ether) copolymer includes a reactive end group, wherein the capped poly(arylene ether) copolymer is derived from an alkyl, aryl-phenol.

THERMOSETTING RESIN COMPOSITION, RESIN SHEET, AND METAL BASE SUBSTRATE
20230018491 · 2023-01-19 ·

A thermosetting resin composition, which constitutes at least a part of a heat-dissipating insulating member interposed between a heat-generating body and a heat-dissipating body, includes (A) an epoxy resin, (B) a thermosetting resin (excluding epoxy resin (A)), (C) a phenoxy resin having a mesogenic structure in the molecule, (D) thermally conductive particles, and (E) an organosiloxane compound.

Methods of preparing compositions for containers and other articles and methods of using same

This invention provides a polymer, which is preferably a polyether polymer. The polymer may be uses in coating compositions. Containers and other articles comprising the polymer and methods of making such containers and other articles are also provided. The invention further provides compositions including the polymer (e.g., powder coatings), which have utility in a variety of coating end uses, including, for example, valve and pipe coatings.

Methods of preparing compositions for containers and other articles and methods of using same

This invention provides a polymer, which is preferably a polyether polymer. The polymer may be uses in coating compositions. Containers and other articles comprising the polymer and methods of making such containers and other articles are also provided. The invention further provides compositions including the polymer (e.g., powder coatings), which have utility in a variety of coating end uses, including, for example, valve and pipe coatings.

Eco-friendly adhesive coating agent composition for steel pipe using intermediate for structural adhesive

Disclosed is an eco-friendly adhesive coating agent composition having high adhesion properties and fast-curing properties by using a thiol-modified epoxy intermediate. The composition includes: a main material including 25 to 40 parts by weight of polyoxypropyleneamine, 20 to 30 parts by weight of a cross-linking agent, 10 to 30 parts by weight of the thiol-modified epoxy intermediate, 10 to 20 parts by weight of an inorganic filler, 5 to 10 parts by weight of a pigment, and 2 to 5 parts by weight of an additive; and a curing agent including 60 to 80 parts by weight of a rubber-modified epoxy resin, 20 to 40 parts by weight of a polyol, 10 to 30 parts by weight of the thiol-modified epoxy intermediate, and 4 to 10 parts by weight of an additive, with respect to 100 parts by weight of an isocyanate mixture.

Thermoplastic temporary adhesive for silicon handler with infra-red laser wafer de-bonding

A bonding material including a phenoxy resin thermoplastic component, and a carbon black filler component. The carbon black filler component is present in an amount greater than 1 wt. %. The carbon black filler converts the phenoxy resin thermoplastic component from a material that transmits infra-red (IR) wavelengths to a material that absorbs a substantial portion of infra-red (IR) wavelengths.

NCF for pressure mounting, cured product thereof, and semiconductor device including same

There is provided a pre-applied semiconductor sealing film for curing under pressure atmosphere as a non conductive film (NCF) suitable for pressure mounting. This NCF includes (A) a solid epoxy resin, (B) an aromatic amine which is liquid at room temperature and contains at least one of structures represented by formulae 1 and 2 below, (C) a silica filler, and (D) a polymer resin having a mass average molecular weight (Mw) of 6000 to 100000. The epoxy resin of the component (A) has an epoxy equivalent weight of 220 to 340. The component (B) is included in an amount of 6 to 27 parts by mass relative to 100 parts by mass of the component (A). The component (C) is included in an amount of 20 to 65 parts by mass relative to 100 parts by mass in total of the components. A content ratio ((A):(D)) between the component (A) and the component (D) is 99:1 to 65:35. This NCF further has a melt viscosity at 120° C. of 100 Pa.Math.s or less, and has a melt viscosity at 120° C., after heated at 260° C. or more for 5 to 90 seconds, of 200 Pa.Math.s or less.

Polymer comprising repeating units consisting of a substituted pyrrole ring and products obtained by combining said polymers with carbon allotropes

The present invention relates to a polymer comprising repeating units consisting of a substituted pyrrole ring. In particular, the repeating units consist of substituted pyrrole containing polar groups capable of interacting with carbon allotropes such as carbon nanotubes, graphene or nanographites, in order to improve the chemical-physical characteristics of the allotropes mainly by increasing their dispersibility and stability in liquid media and in polymer matrices. The invention also relates to products of addition of these polymers with carbon allotropes in order to obtain easily dispersible macromolecules.

THERMALLY CONDUCTIVE AND ELECTRICALLY INSULATING POWDER COATING COMPOSITIONS

The present invention is directed towards a powder coating composition comprising a binder; a thermally conductive, electrically insulative filler material; and, optionally, a thermoplastic material and/or a core-shell polymer. The present invention is also directed to a substrate comprising a coating layer deposited from the powder coating composition of the present invention, as well as methods of coating a substrate.

ADHESIVE COMPOSITION AND FILM-LIKE ADHESIVE, AND SEMICONDUCTOR PACKAGE USING FILM-LIKE ADHESIVE AND PRODUCING METHOD THEREOF
20230108567 · 2023-04-06 · ·

An adhesive composition containing an epoxy resin (A), an epoxy resin curing agent (B), a phenoxy resin (C), and an inorganic filler (D), in which the phenoxy resin (C) has an elastic modulus of 500 MPa or more at 25° C., a proportion of the phenoxy resin (C) in a total content of the epoxy resin (A) and the phenoxy resin (C) is 10 to 60 mass%, a nanoindentation hardness at 25° C. of a film-like adhesive before curing formed using the adhesive composition is 0.10 MPa or more, and the Young’s modulus at 25° C. of a film-like adhesive before curing formed using the adhesive composition is 100 MPa or more; a film-like adhesive using the adhesive composition; and a semiconductor package using the film-like adhesive and a producing method thereof.