A resin composition for a flexible device, containing an epoxy resin and a phenoxy resin, wherein a cured product of the resin composition has a glass transition temperature of 60° C. or higher, and the cured product has a storage modulus of 5.0 GPa or less, a film-like adhesive using the resin composition, an adhesive sheet having a laminated structure of the film-like adhesive and a flexible base material, and a method of producing a flexible device.

Provided are a polymer represented by Formula 1, an electrolyte including the same, and a lithium battery including the polymer.

Provided are a polymer represented by Formula 1, an electrolyte including the same, and a lithium battery including the polymer.

A resin composition containing an aromatic polyether ketone resin (I); and a fluorine-containing copolymer (II), the resin composition satisfying an r2/r1 ratio of 1.60 or lower, wherein r1 is an average dispersed particle size of the fluorine-containing copolymer (II) and r2 is an average dispersed particle size of the fluorine-containing copolymer (II) after melt flow rate measurement at 380° C. and a load of 5000 g and with a preheating time of five minutes in conformity with ASTM D1238. Also disclosed is a pellet obtained by molding the resin composition and a molded article formed from the resin composition or the pellet.

A resin composition containing an aromatic polyether ketone resin (I); and a fluorine-containing copolymer (II), the resin composition satisfying an r2/r1 ratio of 1.60 or lower, wherein r1 is an average dispersed particle size of the fluorine-containing copolymer (II) and r2 is an average dispersed particle size of the fluorine-containing copolymer (II) after melt flow rate measurement at 380° C. and a load of 5000 g and with a preheating time of five minutes in conformity with ASTM D1238. Also disclosed is a pellet obtained by molding the resin composition and a molded article formed from the resin composition or the pellet.

A resin composition containing an aromatic polyether ketone resin (I); and a fluorine-containing copolymer (II), the resin composition satisfying an r2/r1 ratio of 1.60 or lower, wherein r1 is an average dispersed particle size of the fluorine-containing copolymer (II) and r2 is an average dispersed particle size of the fluorine-containing copolymer (II) after melt flow rate measurement at 380° C. and a load of 5000 g and with a preheating time of five minutes in conformity with ASTM D1238. Also disclosed is a pellet obtained by molding the resin composition and a molded article formed from the resin composition or the pellet.

A polycyclic polyphenolic resin having repeating units derived from at least one monomer selected from the group consisting of aromatic hydroxy compounds represented by the formulas (1A) and (1B); or a polycyclic polyphenolic resin having repeating units derived from an aromatic hydroxy compound represented by the formula (C-1A), wherein the repeating units are linked to each other by a direct bonding between aromatic rings:

##STR00001##

wherein in the formula (1A), R.sup.1 is a 2n-valent group having 1 to 60 carbon atoms or a single bond, each R.sup.2 is independently an alkyl group having 1 to 40 carbon atoms and optionally having a substituent, an aryl group having 6 to 40 carbon atoms and optionally having a substituent, an alkenyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkynyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkoxy group having 1 to 40 carbon atoms and optionally having a substituent, a halogen atom, a thiol group, an amino group, a nitro group, a cyano group, a nitro group, a heterocyclic group, a carboxyl group or a hydroxy group, and each m is independently an integer of 0 to 3; each n is independently an integer of 1 to 4; and in the formula (1B), R.sup.2 and m are as defined in the formula (1A), and

##STR00002##

wherein in the formula (C-1A), R.sup.1 is a 2n-valent group having 1 to 60 carbon atoms or a single bond, each R.sup.2 is independently an alkyl group having 1 to 40 carbon atoms and optionally having a substituent, an aryl group having 6 to 40 carbon atoms and optionally having a substituent, an alkenyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkynyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkoxy group having 1 to 40 carbon atoms and optionally having a substituent, a halogen atom, a thiol group, an amino group, a nitro group, a cyano group, a nitro group, a heterocyclic group, a carboxyl group or a hydroxy group, and each m is independently an integer of 0 to 9; and n is an integer of 1 to 4, and each p is independently an integer of 0 to 3.

A polycyclic polyphenolic resin having repeating units derived from at least one monomer selected from the group consisting of aromatic hydroxy compounds represented by the formulas (1A) and (1B); or a polycyclic polyphenolic resin having repeating units derived from an aromatic hydroxy compound represented by the formula (C-1A), wherein the repeating units are linked to each other by a direct bonding between aromatic rings:

##STR00001##

wherein in the formula (1A), R.sup.1 is a 2n-valent group having 1 to 60 carbon atoms or a single bond, each R.sup.2 is independently an alkyl group having 1 to 40 carbon atoms and optionally having a substituent, an aryl group having 6 to 40 carbon atoms and optionally having a substituent, an alkenyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkynyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkoxy group having 1 to 40 carbon atoms and optionally having a substituent, a halogen atom, a thiol group, an amino group, a nitro group, a cyano group, a nitro group, a heterocyclic group, a carboxyl group or a hydroxy group, and each m is independently an integer of 0 to 3; each n is independently an integer of 1 to 4; and in the formula (1B), R.sup.2 and m are as defined in the formula (1A), and

##STR00002##

wherein in the formula (C-1A), R.sup.1 is a 2n-valent group having 1 to 60 carbon atoms or a single bond, each R.sup.2 is independently an alkyl group having 1 to 40 carbon atoms and optionally having a substituent, an aryl group having 6 to 40 carbon atoms and optionally having a substituent, an alkenyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkynyl group having 2 to 40 carbon atoms and optionally having a substituent, an alkoxy group having 1 to 40 carbon atoms and optionally having a substituent, a halogen atom, a thiol group, an amino group, a nitro group, a cyano group, a nitro group, a heterocyclic group, a carboxyl group or a hydroxy group, and each m is independently an integer of 0 to 9; and n is an integer of 1 to 4, and each p is independently an integer of 0 to 3.

A method of making a PEEK-PEmEK copolymer having R.sub.PEEK and R.sub.PEmEK repeat units in a molar ratio R.sub.PEEK/R.sub.PEmEK ranging from 95/5 to 45/55, the PEEK-PEmEK copolymer obtained from the method and the polymer composition including the PEEK-PEmEK copolymer, at least one reinforcing filler, at least one additive, or a combination thereof, shaped articles including the polymer composition, polymer-metal junctions including the polymer composition. Also described are methods of making the polymer composition, methods of making the shaped articles, and methods of making the polymer-metal junctions.

An adhesive resin composition for bonding two adherends of different materials together, the composition comprising a phenoxy resin and a polyester elastomer at a weight ratio (phenoxy resin:polyester elastomer) ranging from 20:80 to 80:20, wherein the area of portions where solid matter forms a phase separation structure attributed to both of the phenoxy resin and the polyester elastomer is at most 1 area % of an entire observation area in an elastic modulus phase image of a plurality of arbitrarily defined 10-μm square regions observed by an atomic force microscope (AFM) to which a probe having a tip radius of curvature of 10 nm at 25° C. is attached.