C08G59/20

CURABLE RESIN COMPOSITION, DRY FILM AND CURED PRODUCT OF SAME, AND ELECTRONIC COMPONENT CONTAINING SAID CURED PRODUCT
20220325047 · 2022-10-13 · ·

Provided is a curable resin composition that has excellent heat resistance and low warpage and is, furthermore, capable of improving light transmittance in cured products, a dry film and its cured product of, and an electronic component containing the cured product. A curable resin composition containing (A) an amide-imide resin, (B) a thermosetting resin, (C) a thermosetting accelerator and (D) inorganic particles, wherein the amide-imide resin (A) is a reaction product of an isocyanurate-type polyisocyanate synthesized from an isocyanate having an aliphatic structure and a tricarboxylic anhydride having an aliphatic structure and has a number-average molecular weight of 500 to 1000; a dry film and its cured product; and an electronic component containing the cured product were obtained.

THERMOSETTING MATERIAL FOR USE IN ADDITIVE MANUFACTURING
20230158737 · 2023-05-25 ·

The present invention relates to a thermosetting material for use in additive manufacturing, the material comprising at least one thermosetting resin and at least two curing compounds different from said thermosetting resin that are able to cure this/these thermosetting resin(s), wherein at least one curing compound is provided for curing during the additive manufacturing process and at least one curing compound is provided for curing during a post-curing step. The invention furthermore relates to a method of producing a cured 3D thermoset object comprising at least the steps of subjecting the material according to the present invention to an additive manufacturing process, obtaining a partially cured 3D thermoset object and subsequently subjecting the partially cured 3D thermoset object to a post-curing process to further cure the 3D thermoset object Additionally, the invention relates to the use of the material in an SLS, FFF, CBAM, FGF or powder bed additive manufacturing process.

TUNABLE DEGRADATION OF ESTER-BASED EPOXY FORMULATIONS

The present disclosure relates to delivery and release compositions, systems, and methods of use thereof. In particular, the present disclosure relates to degradable polymeric systems including a first epoxy-containing monomer and a second, different epoxy-containing monomer, wherein the degradable polymeric system is crosslinked, and wherein one of the first epoxy-containing monomer and the second, different epoxy-containing monomer includes one or more ester groups; delivery systems incorporating degradable polymeric systems; and methods for providing cargo to a petroleum reservoir.

Ink blocking layer for display device and manufacturing method thereof

A method of manufacturing an ink blocking layer for a display device, an ink blocking layer for a display device, and a display device are provided. The method of manufacturing an ink blocking layer for a display device includes: preparing a main material including an epoxy monomer having three or more epoxy groups and a curing agent including an acid and an amine; and mixing the main material with the curing agent to prepare an epoxy resin.

LIQUID COMPRESSION MOLDING MATERIAL

A method for producing a semiconductor element by wafer-level chip-size packaging includes applying a liquid compression molding material to a wafer after completion of circuit formation and subjecting the wafer to sealing treatment by compression molding. The liquid compression molding material includes (A) an epoxy resin; (B) a curing agent; and (C) a filler. The liquid compression molding material having a thixotropic index (TI) of 0.8 to 4.0.

EPOXY RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIAL, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL
20230183416 · 2023-06-15 ·

An epoxy resin composition for a fiber-reinforced composite material includes: (a) one or more epoxy resins; (b) an aromatic diamine compound; (c) a dicyandiamide; (d) a urea compound; and (e) an amine adduct compound, blended in specific ranges.

RESIN COMPOSITION AND ELECTRONIC COMPONENT
20230174774 · 2023-06-08 · ·

Provided is a resin composition, a molded body of which is an electromagnetic wave absorber. An imaginary part (ε″) of a complex dielectric constant at 25° C. and 10 GHz and a volume resistivity (ρv) at 25° C. of the molded body satisfy the relational expression (1) below, and the imaginary part (ε″) is greater than 1.25. 20<(log ρv)×ε″<600 (1)

RESIN COMPOSITION, RESIN FILM USING SAME, METAL FOIL WITH RESIN, METAL-CLAD LAMINATE, AND WIRING BOARD

An aspect of the present invention relates to a resin composition containing an acrylic resin and a curing agent, in which the acrylic resin contains a polymerization unit (A) of a (meth)acrylate having an epoxy group, a polymerization unit (B) of a (meth)acrylate having a cyano group, and a polymerization unit (C) of a (meth)acrylate having an isobornyl group, a weight average molecular weight of the acrylic resin is 50,000 or more and 3,000,000 or less, and a storage modulus of a cured product of the resin composition at 200° C. is 0.1 MPa or more and 3.5 MPa or less.

Image display device sealing material and image display device sealing sheet

The image display device sealing material contains a resin component and a curing agent, wherein the resin component contains biphenyl skeleton-containing epoxy resin having a weight-average molecular weight of 200 or more and 100,000 or less, alicyclic skeleton-containing epoxy resin having a weight-average molecular weight of 180 or more and 790 or less, and styrene oligomer having a weight-average molecular weight of 750 or more and 4000 or less.

Image display device sealing material and image display device sealing sheet

The image display device sealing material contains a resin component and a curing agent, wherein the resin component contains biphenyl skeleton-containing epoxy resin having a weight-average molecular weight of 200 or more and 100,000 or less, alicyclic skeleton-containing epoxy resin having a weight-average molecular weight of 180 or more and 790 or less, and styrene oligomer having a weight-average molecular weight of 750 or more and 4000 or less.