B29C43/003

Methods for compression molding foam articles

Compression molded foam articles are provided having a closed cell foam structure comprising a plurality of cells having an anisotropic cell shape. The disclosed compression molded foam articles can be used as components or parts of a variety of articles, including articles of footwear and athletic equipment. Methods are disclosed for making the disclosed compression molded foam articles from a foamed preform having an elastomeric closed cell foam with substantially isotropic cell shape. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Laminate

A laminate, containing two or more polyolefin resin layers, wherein at least one polyolefin resin layer (A) contains a cellulose fiber including a cellulose fiber having a fiber length of 0.3 mm or more dispersed in the layer; a content of the cellulose fiber in the polyolefin resin layer (A) is 1% by mass or more and less than 60% by mass; and wherein a polyolefin resin layer (B) different from the polyolefin resin layer (A) is laminated in contact with the polyolefin resin layer (A).

Crystalline radical polymerizable composition for electrical and electronic component, molded article of electrical and electronic component using the composition, and method of the molded article of electrical and electronic component

[Problems] An object of the present invention is to provide a crystalline radical polymerizable composition which is excellent in flowability and is easy to handle. [Solution Means] The crystalline radical polymerizable composition for sealing electrical and electronic component according to the present invention is characterized by comprising at least a crystalline radical polymerizable compound, an inorganic filler, a silane coupling agent, and a radical polymerization initiator. In addition, in a preferred embodiment of the crystalline radical polymerizable composition for sealing electrical and electronic component according to the present invention, the crystalline radical polymerizable compound is characterized by comprising one or more selected from unsaturated polyester, epoxy (meth) acrylate, urethane (meth) acrylate, polyester (meth) acrylate, -polyether (meth) acrylate, radical polymerizable monomer and radical polymerizable polymer.

REMOLDABLE BISMALEIMIDE RESIN AND APPLICATION THEREOF
20220348718 · 2022-11-03 ·

A remoldable bismaleimide resin and application thereof. The preparation method includes blending 2-allylphenyl glycidyl ether and terephthalic acid in acetonitrile, carrying out an esterification reaction under the condition of quaternary ammonium salt as a catalyst to obtain bis(3-(2-allylphenoxy)-2-hydroxypropyl) terephthalate containing a reversible dynamic group; then uniformly mixing bis(3-(2-allylphenoxy)-2-hydroxypropyl) terephthalate and bismaleimide, curing to obtain the re-moldable bismaleimide resin. The prepared re-moldable bismaleimide resin not only has excellent heat resistance and mechanical properties, but also can be remolded under hot pressing conditions. The preparation method of the re-moldable bismaleimide resin has the advantages of wide raw material sources and simple process, and has a wide application prospect in the fields of aerospace, transportation, electronic information, new energy, insulated electrical industry and the like.

METHOD FOR MANUFACTURING EXTERIOR HOUSING AND ELECTRONIC DEVICE COMPRISING SAME
20230088491 · 2023-03-23 ·

An electronic device of the present invention comprises: an exterior housing including a first surface facing a first direction, and a second surface facing a second direction opposite to the first direction; a display of which at least a part is exposed through the first surface; and a polymer plate which forms at least a part of the second surface of the housing. The polymer plate comprises: at least one opaque layer; at least one polymer layer that is translucent or transparent and is disposed on the at least one opaque layer; and a coating layer that is disposed on the at least one polymer layer and has a hardness greater than or equal to a selected hardness. Each of the at least one opaque layer, the at least one polymer layer, and the coating layer may comprise a first surface, and a second surface extending from the first surface so that at least a part thereof is bent. Other embodiments are also possible.

Method for manufacturing a product made from polyaryletherketone and corresponding product

A process including: the provision of a semicrystalline or crystallizable composition, having a glass transition temperature T.sub.g, including at least one polyaryletherketone; the provision of a compression forming means including: a mold, the mold having at least one cavity; the preparation of the composition in the molten state in said at least one cavity, the mold having a temperature T.sub.0 at the end of the preparation stage; the compression and the cooling of the composition in the molten state, the mold being cooled from the temperature T.sub.0 down to a final temperature T.sub.fof less than or equal to (T.sub.g+30)° C., to form a compression-formed article; and the removal of the compression-formed article from the mold; in which the composition has a melting point strictly of less than 340° C.

Resin Composition

Provided is a resin composition capable of forming a coated product that exhibits low adhesion to a metal roll during production and is superior in oxygen barrier property and capable of forming a film or sheet superior in oxygen barrier property, impact strength under low humidity and color tone. The resin composition of the present invention contains 50 to 98 parts by mass of a modified starch (A), 2 to 50 parts by mass of a polyvinyl alcohol (B), 0.1 to 10 parts by mass of a polyoxyalkylene (C), and optionally 0 to 5 parts of a polyol plasticizer (D), wherein the total content of the (A), (B), (C) and (D) is 100 parts by mass.

IMPLANTABLE MEDICAL DEVICE WITH VARIED COMPOSITION AND POROSITY, AND METHOD FOR FORMING SAME

A method for forming a thermoplastic body having regions with varied material composition and/or porosity. Powder blends comprising a thermoplastic polymer, a sacrificial porogen and an inorganic reinforcement or filler are molded to form complementary parts with closely toleranced mating surfaces. The parts are formed discretely, assembled and compression molded to provide a unitary article that is free from discernible boundaries between the assembled parts. Each part in the assembly has differences in composition and/or porosity, and the assembly has accurate physical features throughout the sections of the formed article, without distortion and nonuniformities caused by variable compaction and densification rates in methods that involve compression molding powder blends in a single step.

APPARATUS, METHOD AND CAPACITOR PLATE FOR PRODUCING A PARTICLE FOAM PART

The invention relates to an apparatus and a method for the manufacture of a shoe sole or part of a shoe sole from foam particles. Disclosed is an apparatus for the manufacture of a shoe sole or part of a shoe sole from foam particles, wherein the apparatus comprises: a.) a molding tool which is formed from at least two molding halves and which defines a molding cavity, and b.) at least two capacitor plates which are arranged adjacent to the molding cavity, wherein c.) at least one of the capacitor plates is connected to a radiation source, and wherein d.) at least one of the capacitor plates comprises several segments that have an adaptable distance to the molding cavity. Also disclosed is method for using such an apparatus in the manufacture of a shoe sole or part of a shoe sole from foam particles.

Epoxy resin composition, electronic component mounting structure, and method for producing the same

To provide an epoxy resin composition capable of forming a polished surface with high flatness when polished after curing, and a method for producing an electronic component mounting structure having a polished surface with high flatness, the polished surface obtained by polishing the surface of an encapsulation body. Disclosed are an epoxy resin composition, an electronic component mounting structure including the epoxy resin composition, and a method for producing the electronic component mounting structure, wherein: the epoxy resin composition includes a fused silica possibly containing hollow particles, and a curing agent; on a polished surface obtained by polishing a cured product of the epoxy resin composition, the number of pores having a diameter of more than 5 μm observed within a 25-mm.sup.2 area is one or less, the pores derived from cross sections of the hollow particles; and the polished surface is coated with a coating material.