Composite materials and structural adhesives containing particles of functionalized polymers as a toughening agent. The particles are composed of functionalized polyaryletherketone (PAEK) polymer or copolymer thereof that contain chemical functional groups capable of reacting with a thermoset resin component to form covalent bonds.

The present disclosure provides a modified resin composition, a preparation method and use thereof. The raw materials of the modified resin composition includes: 65 to 100 parts by mass of a matrix resin, 10 to 40 parts by mass of a phenoxy resin, 0.5 to 25 parts by mass of nano silicon dioxide, 2 to 15 parts by mass of a curing agent, 0 to 2 parts by mass of a curing accelerator, and 0 to 1 part by mass of a coupling agent. The modified resin composition has excellent toughness, excellent processability during mechanical punching process, a relatively low powder loss rate, and excellent bonding performance and heat resistance.

The present invention relates to a resin composition containing a phosphate ester-based flame retardant (A) having an aromatic hydrocarbon group containing two or more aromatic ring structures and a polyphenylene ether derivative (B) having an ethylenically unsaturated bond-containing group at both ends.

Provided are an epoxy resin composition which contains an epoxy resin and a curing agent, and satisfies the following (1), (2), and (3): (1) the bending elastic modulus of a cured product of the epoxy resin composition is 3.3 GPa or higher; (2) the bending strain at break of the cured product of the epoxy resin composition is 9% or higher; and (3) the fiber-reinforced plastic formed of the cured product of the epoxy resin composition and a reinforcing fiber substrate in which carbon fibers, which are continuous fibers, are evenly aligned in one direction has 90 bending strength of 95 MPa or higher, and a film, a prepreg, and fiber-reinforced plastic that are produced by using the epoxy resin composition.

A reinforced polyetherimide composition includes 50 to 99.9 weight percent of a polymer composition comprising a polyetherimide having a weight average molecular weight of 5,000 to 80,000 Daltons; 10 to 40 weight percent of a reinforcing filler; 0.1 to 10 weight percent of flow promoter, wherein the flow promoter comprises an aromatic phosphate, a phosphazene, or a combination comprising at least one of the foregoing; 0 to 20 weight percent of a liquid crystalline polymer; wherein weight percent is based on the total weight of the reinforced polyetherimide composition; and wherein the composition has a melt flow rate (MFR) that is at least 10% higher than that of the same reinforced polyetherimide composition without the flow promoter, and a capillary melt viscosity that is at least 10% lower than that of the same reinforced polyetherimide composition without the flow promoter.

The present disclosure relates to methods and systems for making thermoplastic resin materials and composite resin systems and materials made from the thermoplastic resins, by seeding one melted thermoplastic material with a second thermoplastic material in a crystalline state that comprises an amount of ferromagnetic material.

This invention relates to polymer polyols comprising the free-radical polymerization product of a base polyol, at least one ethylenically unsaturated monomer, and, optionally, a preformed stabilizer, in the presence of at least one free-radical polymerization initiator and at least one chain transfer agent, in which the base polyol is a polyether carbonate polyol. A process for preparing these polymer polyols is also described. This invention also relates to a polyurethane foam prepared from these polymer polyols and to a process for the preparation of these polyurethane foams.

Disclosed is a macroporous polymeric hydrogel microsphere that contains polyacrylamide and chitosan. The hydrogel microsphere, having a diameter of 50-250 m and an average pore size of 1-60 nm, is capable of transporting biomolecules conjugated to it. Also disclosed is a method of fabricating the microsphere based on a micromolding technique utilizing surface tension-induced droplet formation followed by photo-induced polymerization.

A method of producing hydrocarbon from a subterranean formation comprises: disposing an article in a well penetrating a subterranean formation, the article having a surface coated with a hierarchical superhydrophobic coating or the article being a stand-alone hierarchical superhydrophobic membrane; contacting the article with a flow of a water-based fluid and an oil-based fluid; selectively impeding the flow of the water-based fluid; and allowing the production of the oil-based fluid.

One of the problems is to provide a solvent composition which has a little adverse effect on the global environment and has excellent stability when a compound having a perfluoropolyether (PFPE) group is in a solution state. In an embodiment, the problem is solved by providing a solvent composition for dissolving a compound having a perfluoropolyether (PFPE) group includes Z-1,2-dichloro-3,3,3-trifluoropropene (1223xd(Z)) as a main component.