C08J2351/04

Resin composition, and pre-preg, metal-clad laminate, and printed circuit board prepared using the same

A resin composition is provided. The resin composition comprises: (A) a compound having a structure of formula (I), ##STR00001## wherein R.sub.1 is an organic group; and (B) a vinyl-containing elastomer, wherein the weight ratio of the compound having the structure of formula (I) to the vinyl-containing elastomer is 20:1 to 1:1.

Puncture-healing thermoplastic resin carbon-fiber reinforced composites

A composite comprising a combination of a self-healing polymer matrix and a carbon fiber reinforcement is described. In one embodiment, the matrix is a polybutadiene graft copolymer matrix, such as polybutadiene graft copolymer comprising poly(butadiene)-graft-poly(methyl acrylate-co-acrylonitrile). A method of fabricating the composite is also described, comprising the steps of manufacturing a pre-impregnated unidirectional carbon fiber preform by wetting a plurality of carbon fibers with a solution, the solution comprising a self-healing polymer and a solvent, and curing the preform. A method of repairing a structure made from the composite of the invention is described. A novel prepreg material used to manufacture the composite of the invention is described.

Process for producing acrylic rubber/fluorinated rubber composition, crosslinkable composition, laminate and heat resistant air rubber hose

To provide a process for producing an acrylic rubber/fluorinated rubber composition, capable of forming a layer excellent in the interlayer-adhesion with a layer formed by crosslinking a fluorinated rubber. A process for producing an acrylic rubber/fluorinated rubber composition having particles of a crosslinked acrylic rubber (B) dispersed in a continuous phase of a fluorinated rubber (A), which comprises kneading a fluorinated rubber (A), a crosslinking agent for an acrylic rubber and a crosslinking coagent for an acrylic rubber to obtain a fluorinated rubber composition containing the crosslinking agent for an acrylic rubber and the crosslinking coagent for an acrylic rubber, and kneading under heating the obtained fluorinated rubber composition and an acrylic rubber (B) in a mass ratio of fluorinated rubber (A)/acrylic rubber (B)=5/95 to 50/50 to crosslink the acrylic rubber (B), and dispersing particles of the crosslinked acrylic rubber (B) in a continuous phase of the fluorinated rubber (A).

Thermoplastic Resin Composition And Resin Molded Article
20170260381 · 2017-09-14 ·

A thermoplastic resin composition containing 25 to 50 parts by mass of a rubber-containing graft copolymer (A) obtained by copolymerizing a monomer mixture containing an aromatic vinyl compound and a vinyl cyanide compound in the presence of a diene-based rubber-like polymer, and 50 to 75 parts by mass of a hard copolymer mixture (B) containing a hard copolymer (B-I) and a hard copolymer (B-II).

Thermoplastic resin composition and resin molded article
11208548 · 2021-12-28 · ·

A thermoplastic resin composition containing 25 to 50 parts by mass of a rubber-containing graft copolymer (A) obtained by copolymerizing a monomer mixture containing an aromatic vinyl compound and a vinyl cyanide compound in the presence of a diene-based rubber-like polymer, and 50 to 75 parts by mass of a hard copolymer mixture (B) containing a hard copolymer (B-I) and a hard copolymer (B-II).

Golf ball

A golf ball 2 includes a main body 4 and a paint layer 6 positioned outside the main body 4. The main body 4 includes a spherical core 8, a mid layer 10 positioned outside the core 8, and a cover 12 positioned outside the mid layer 10. An indentation depth, measured when the paint layer 6 in a cross-section along a plane passing through a central point of the golf ball 2 is pressed by a force of 30 mgf in a direction perpendicular to the cross-section, is not less than 300 nm and not greater than 3000 nm. The paint layer 6 preferably has a thickness of not less than 5 μm and not greater than 50 μm.

METHOD FOR MANUFACTURING RUBBER-REINFORCED STYRENIC RESIN POWDER AND RUBBER-REINFORCED STYRENIC RESIN POWDER
20220119572 · 2022-04-21 ·

A method for manufacturing a rubber-reinforced styrenic resin powder comprising 40% by mass or more of a rubbery polymer, satisfying the following conditions (1) to (4): (1) at least first and second coagulation baths are provided; (2) the first and second coagulation baths are connected; (3) an emulsified dispersion of fatty acid amide is supplied to the connecting part in an amount of 0.2 parts by mass to 2.0 parts by mass (solid content) with respect to 100 parts by mass (solid content) of a slurry; and (4) a temperature in the second coagulation bath is equal to or higher than a temperature in the first coagulation bath.

Acrylic resin film, laminated film, production method for laminated film, and molded article

An acrylic resin film is provided that may include graft copolymer particles (A) with a multilayer structure and graft copolymer particles (B) with a multilayer structure, wherein the graft copolymer particles (A) may have an average particle size in the range of 20 to 150 nm, the graft copolymer particles (B) may have a larger average particle size than the graft copolymer particles (A). The graft copolymer particles (A) may include a cross-linked elastomer (A1) and a graft polymer layer (A2), the graft polymer layer (A2) being closer to a surface layer than the cross-linked elastomer (A1). Further, a constituent unit may be derived from an acrylate with an alkyl ester moiety having two or more carbon atoms constitutes 8% or less by mass of the graft polymer layer (A2), the graft copolymer particles (B) may contain a cross-linked elastomer (B1).

Thermoplastic resin composition with improved UV resistance

Thermoplastic resin composition comprising: (a1) at least one styrene-acrylonitrile copolymer component A1, (a2) at least one acrylonitrile styrene acrylate graft copolymer A2 as impact modifier, (a3) optionally at least one thermoplastic polymer A3 other than components A1 and A2, (b) at least one pigment B, (c) at least one hindered amine UV light stabilizer C1 and at least one UV absorber C2 different from C1, and (d) optionally further polymer additives D, other than components B, C1, C2, and E, (e) at least one metal scavenger component E.

RESIN COMPOSITION, AND PRE-PREG, METAL-CLAD LAMINATE, AND PRINTED CIRCUIT BOARD PREPARED USING THE SAME
20210355259 · 2021-11-18 ·

A resin composition is provided. The resin composition comprises: (A) a compound having a structure of formula (I),

##STR00001## wherein R.sub.1 is an organic group; and (B) a vinyl-containing elastomer, wherein the weight ratio of the compound having the structure of formula (I) to the vinyl-containing elastomer is 20:1 to 1:1.