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.

To provide a metal-fiber reinforced plastic composite material which exhibits favorable impregnation of a matrix resin into a reinforcing fiber substrate and favorable adhesion to metal members, and excellent mechanical properties. The metal-fiber reinforced plastic composite material is a laminate of a metal member and a fiber reinforced plastic, wherein the fiber reinforced plastic includes a reinforcing fiber substrate (A) and a thermoplastic resin composition (B), the thermoplastic resin composition (B) contains a phenoxy resin (B-1) and a polyamide resin (B-2) at a mass ratio (B-1)/(B-2) of 80/20 to 20/80, an adhesive strength of the thermoplastic resin composition (B) to a monofilament of the reinforcing fiber substrate (A) is 40 MPa or more as an interfacial shear strength at 23° C. in a microdroplet method, and an adhesive strength between the metal member and the thermoplastic resin composition (B) is 7.0 MPa or more as a tensile shear strength at 23° C.

A bonding composition joins polymer components by material engagement. The bonding composition includes a solvent and a polymer material, which may be made from similar polymers from which the polymer components are made. There may be a kit for producing a polymer components and a bonding composition. The polymer production includes volatilization of the solvent and optionally melting the polymer materials.

A micro structure and antifouling active substance synergistic antifouling material and a preparation method thereof are provided. The micro structure and antifouling active substance synergistic antifouling material includes a matrix arrangement formed by a plurality of micro structure basic units in a cylindrical structure, an inner lower layer of each micro structure basic unit is filled with an antifouling active substance, and an inner upper layer of the each micro structure basic unit is filled with a sealing agent. A process for preparing a micro structure and antifouling active substance synergistic antifouling material includes three steps of preparing a micro structure, preparing a liquid antifouling active substance and preparing a synergistic antifouling material.

A core/shell polymer material suitable for three-dimensional printing is provided. The core/shell polymer material may include at least one amorphous polymer as a core particle and at least one semicrystalline polymer as a shell material surrounding the core particle.

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.

One aspect of the present invention is a puncture healing polymer blend comprising a self-healing first polymer material having sufficient melt elasticity to snap back and close a hole formed by a projectile passing through the material at a velocity sufficient to produce a local melt state in the first polymer material. The puncture healing polymer blend further includes a non-self-healing second material that is blended with the first polymer material. The blend of self-healing first polymer material and second material is capable of self-healing, and may have improved material properties relative to known self-healing polymers.

The present invention provides a prepreg that has high impact resistance despite being an all-carbon-fiber FRP (CFRP), the prepreg moreover enabling a molding time to be set to five minutes or less and making it possible to reduce molding costs. This prepreg is obtained by impregnating carbon fiber with a matrix resin comprising a mixture of a thermoplastic resin, a thermosetting resin, and a curing agent, wherein: the thermoplastic resin is a phenoxy resin; the thermosetting resin is a urethane acrylate resin; the thermoplastic resin and the thermosetting resin are compounded in a mass ratio of 15:85-35:65 (thermoplastic resin/thermosetting resin); and the curing agent causes cross-linking to occur due to a radical polymerization reaction, and is formed so as to include first and second peroxides having mutually different initiation temperatures, initiation of the second peroxide starting at a temperature at which termination of the first peroxide occurs.

A polyester film and a method for producing the same are provided. The polyester film includes a heat resistant layer. The heat resistant layer includes a high temperature resistant resin material and a polyester resin material. The high temperature resistant resin material and the polyester resin material are melted and kneaded with each other via a twin screw granulator. The twin-screw granulator has a twin-screw temperature between 250 C. and 320 C., and the twin-screw granulator has a twin-screw rotation speed between 300 rpm and 800 rpm, so that the high temperature resistant resin material is dispersed in the polyester resin material with a particle size of between 50 nm and 200 nm.

A micro structure and antifouling active substance synergistic antifouling material and a preparation method thereof are provided. The micro structure and antifouling active substance synergistic antifouling material includes a matrix arrangement formed by a plurality of micro structure basic units in a cylindrical structure, an inner lower layer of each micro structure basic unit is filled with an antifouling active substance, and an inner upper layer of the each micro structure basic unit is filled with a sealing agent. A process for preparing a micro structure and antifouling active substance synergistic antifouling material includes three steps of preparing a micro structure, preparing a liquid antifouling active substance and preparing a synergistic antifouling material.