A prepreg 10 comprises: a reinforcing fiber layer 3 including reinforcing fibers 1 and a resin composition 2 with which the space between fibers of the reinforcing fibers 1 is impregnated and which contains (A) a benzoxazine resin, (B) an epoxy resin, and (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule; and a surface layer 6a or 6b provided on at least one surface of the reinforcing fiber layer 3 and containing (A) a benzoxazine resin, (B) an epoxy resin, (C) a curing agent having 2 or more phenolic hydroxy groups in a molecule, and (D) polyamide resin particles 4 having an average particle size of 5 to 50 μm, wherein the polyamide resin particles 4 include a particle made of a polyamide 11.

Disclosed are thermoplastic vulcanizates comprising a plastic phase and a rubber phase and process for preparing such thermoplastic vulcanizates, wherein the plastic phase comprises a thermoplastic polymer and the rubber phase comprises a carboxylated nitrile rubber.

Disclosed are thermoplastic vulcanizates comprising a plastic phase and a rubber phase and process for preparing such thermoplastic vulcanizates, wherein the plastic phase comprises a thermoplastic polymer and the rubber phase comprises a carboxylated nitrile rubber.

A polymer alloy composition including: (a) a fluoropolymer selected from fluorinated ethylene propylene (FEP), perfluoroalkoxy alkane (PFA), ethylene tetra-fluoroethylene (ETFE), and a terpolymer of ethylene, tetrafluoroethylene, and hexafluoropropylene (EFEP); (b) a compatibilizing agent; and (c) a polyether imide (PEI) or polyimide (PI). Also disclosed is a method of forming a thermoplastic alloy. The polymer alloy may be used to form various extruded workpieces including, for example, a bag, film, container, filament, food package, coating (such as a coating or jacketing for a wire), powder for powder electrostatic powder coating, powder for dispersions, compression molded and various injection molded parts.

A polymer alloy composition including: (a) a fluoropolymer selected from fluorinated ethylene propylene (FEP), perfluoroalkoxy alkane (PFA), ethylene tetra-fluoroethylene (ETFE), and a terpolymer of ethylene, tetrafluoroethylene, and hexafluoropropylene (EFEP); (b) a compatibilizing agent; and (c) a polyether imide (PEI) or polyimide (PI). Also disclosed is a method of forming a thermoplastic alloy. The polymer alloy may be used to form various extruded workpieces including, for example, a bag, film, container, filament, food package, coating (such as a coating or jacketing for a wire), powder for powder electrostatic powder coating, powder for dispersions, compression molded and various injection molded parts.

Provided is an optical film containing a cellulose derivative, the optical film having an in-plane retardation Ro.sub.550 within the range of 120 to 160 nm measured at a wavelength of 550 nm under an atmosphere of a temperature of 23° C. and a relative humidity of 55%, and a ratio Ro.sub.450/Ro.sub.550 within the range of 0.65 to 0.99, Ro.sub.450/Ro.sub.550 being a ratio of an in-plane retardation Ro.sub.450 measured at a wavelength of 450 nm to the in-plane retardation Ro.sub.550 measured at a wavelength of 550 nm, wherein, a substituent of a glucose skeleton in the cellulose derivative satisfies the requirements (a) and (b) which are described in the specification, and the optical film contains a compound A satisfying the following condition defined by Expression (a1) which is described in the specification.

Provided is an optical film containing a cellulose derivative, the optical film having an in-plane retardation Ro.sub.550 within the range of 120 to 160 nm measured at a wavelength of 550 nm under an atmosphere of a temperature of 23° C. and a relative humidity of 55%, and a ratio Ro.sub.450/Ro.sub.550 within the range of 0.65 to 0.99, Ro.sub.450/Ro.sub.550 being a ratio of an in-plane retardation Ro.sub.450 measured at a wavelength of 450 nm to the in-plane retardation Ro.sub.550 measured at a wavelength of 550 nm, wherein, a substituent of a glucose skeleton in the cellulose derivative satisfies the requirements (a) and (b) which are described in the specification, and the optical film contains a compound A satisfying the following condition defined by Expression (a1) which is described in the specification.

Provided is an optical film containing a cellulose derivative, the optical film having an in-plane retardation Ro.sub.550 within the range of 120 to 160 nm measured at a wavelength of 550 nm under an atmosphere of a temperature of 23° C. and a relative humidity of 55%, and a ratio Ro.sub.450/Ro.sub.550 within the range of 0.65 to 0.99, Ro.sub.450/Ro.sub.550 being a ratio of an in-plane retardation Ro.sub.450 measured at a wavelength of 450 nm to the in-plane retardation Ro.sub.550 measured at a wavelength of 550 nm, wherein, a substituent of a glucose skeleton in the cellulose derivative satisfies the requirements (a) and (b) which are described in the specification, and the optical film contains a compound A satisfying the following condition defined by Expression (a1) which is described in the specification.

The present invention provides a laminated film comprising a polyester film having a resin layer on at least one side thereof, wherein said resin layer contains at least metal oxide particles (A) having a number average particle diameter of 3 nm or more and 50 nm or less, and an acrylic resin (B), and a component (C.sub.1) derived from an oxazoline-based compound and/or a component (C.sub.2) derived from a melamine-based compound, and wherein said acrylic resin (B) contains a monomer unit (b.sub.1), a monomer unit (b.sub.2) and a monomer unit (b.sub.3). The present invention provides a laminated film which is excellent in transparency, suppression of interference pattern upon lamination of a high refractive index hard coat layer, adhesive property to a high refractive index hard coat layer, and adhesion under high temperature and high humidity conditions (adhesion under high temperature and high humidity conditions), at a low cost.

The present invention provides a laminated film comprising a polyester film having a resin layer on at least one side thereof, wherein said resin layer contains at least metal oxide particles (A) having a number average particle diameter of 3 nm or more and 50 nm or less, and an acrylic resin (B), and a component (C.sub.1) derived from an oxazoline-based compound and/or a component (C.sub.2) derived from a melamine-based compound, and wherein said acrylic resin (B) contains a monomer unit (b.sub.1), a monomer unit (b.sub.2) and a monomer unit (b.sub.3). The present invention provides a laminated film which is excellent in transparency, suppression of interference pattern upon lamination of a high refractive index hard coat layer, adhesive property to a high refractive index hard coat layer, and adhesion under high temperature and high humidity conditions (adhesion under high temperature and high humidity conditions), at a low cost.