B32B15/20

POLYAMIDE-METAL LAMINATES
20230001669 · 2023-01-05 ·

Novel polyamide-metal laminates which have desirable hydrolysis resistance are provided. The laminates comprise (A) a metal, (B) a tie layer, and (C) a polyamide composition. The tie layer is formed from a composition containing (B1) a polymer containing a comonomer having at least two adjacent carboxylic acid groups and (B2) an amino-silane containing a primary amine and at least one hydroxyl group.

CONDUCTIVE FILM FOR ANTENNAS, AND ANTENNA

Provided is a conductive film for antennas, in which a conducting film and a substrate made of a polycarbonate resin material containing a polycarbonate resin are laminated, and the polycarbonate resin contains, as main constituent units, a unit (A) represented by the following formula (1) and/or a unit (B) represented by the following formula (2). The conductive film for antennas has low dielectric characteristics and bendability, can form an antenna with a low transmission loss, and has excellent adhesion to the conducting film.

##STR00001##

(In the formula (1), R.sub.1 and R.sub.2 each independently represent an alkyl group having 1 to 6 carbon atoms or a halogen atom, and R.sub.3 and R.sub.4 each independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a halogen atom.)

##STR00002##

(In the formula (2), R.sup.1 and R.sup.2 each independently represent an alkyl group having 1 to 6 carbon atoms or a halogen atom, R.sup.3 and R.sup.4 each independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a halogen atom, R.sup.3 represents a halogen atom, an alkyl group having 1 to 20 carbon atoms, or a cycloalkyl group having 3 to 20 carbon atoms, and n represents an integer of 0 to 10.)

CONDUCTIVE FILM FOR ANTENNAS, AND ANTENNA

Provided is a conductive film for antennas, in which a conducting film and a substrate made of a polycarbonate resin material containing a polycarbonate resin are laminated, and the polycarbonate resin contains, as main constituent units, a unit (A) represented by the following formula (1) and/or a unit (B) represented by the following formula (2). The conductive film for antennas has low dielectric characteristics and bendability, can form an antenna with a low transmission loss, and has excellent adhesion to the conducting film.

##STR00001##

(In the formula (1), R.sub.1 and R.sub.2 each independently represent an alkyl group having 1 to 6 carbon atoms or a halogen atom, and R.sub.3 and R.sub.4 each independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a halogen atom.)

##STR00002##

(In the formula (2), R.sup.1 and R.sup.2 each independently represent an alkyl group having 1 to 6 carbon atoms or a halogen atom, R.sup.3 and R.sup.4 each independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a halogen atom, R.sup.3 represents a halogen atom, an alkyl group having 1 to 20 carbon atoms, or a cycloalkyl group having 3 to 20 carbon atoms, and n represents an integer of 0 to 10.)

ELECTRICALLY CONDUCTIVE BONDING TAPE WITH LOW PASSIVE INTERMODULATION

An electrically conductive bonding tape includes a conductive self-supporting first layer conductive in each of three mutually orthogonal directions and including conductive opposing first and second major surfaces, an conductive second layer coated on the first major surface of the self-supporting first layer and having at least 60% by weight of nickel, the second layer having an exposed major surface facing away from the first major surface of the self-supporting first layer and exposing at least some of the nickel in the second layer, and a conductive adhesive third layer bonded to the second major surface of the self-supporting first layer opposite the second layer. The adhesive third layer is conductive in at least one of the three mutually orthogonal directions and includes a plurality of conductive elements dispersed in an insulative material, at least some of the conductive elements physically contacting the self-supporting first layer.

TERMINALLY MODIFIED POLYBUTADIENE, RESIN COMPOSITION FOR METAL-CLAD LAMINATES, PREPREG, AND METAL-CLAD LAMINATE
20230002532 · 2023-01-05 · ·

Provided is a novel resin composition for a metal-clad laminate, with which a metal-clad laminate having excellent adhesion with a metal foil, solder heat resistance, insulation and the like can be produced. A terminally modified polybutadiene contained in the resin composition for a metal-clad laminate according to the present invention has a structure of formula (III) on each of both terminals of a polybutadiene comprising a repeating unit of formula (I) and a repeating unit of formula (II), wherein a proportion of the repeating unit of formula (I) in all the repeating units is 70 to 99% by mol.

##STR00001##

TERMINALLY MODIFIED POLYBUTADIENE, RESIN COMPOSITION FOR METAL-CLAD LAMINATES, PREPREG, AND METAL-CLAD LAMINATE
20230002532 · 2023-01-05 · ·

Provided is a novel resin composition for a metal-clad laminate, with which a metal-clad laminate having excellent adhesion with a metal foil, solder heat resistance, insulation and the like can be produced. A terminally modified polybutadiene contained in the resin composition for a metal-clad laminate according to the present invention has a structure of formula (III) on each of both terminals of a polybutadiene comprising a repeating unit of formula (I) and a repeating unit of formula (II), wherein a proportion of the repeating unit of formula (I) in all the repeating units is 70 to 99% by mol.

##STR00001##

METAL ARCHITECTURED PLATE WITH TACTILE WARMTH AND ELASTICITY AND MANUFACTURING METHOD THEREFOR
20230001666 · 2023-01-05 ·

An embodiment of the present disclosure provides a metal architectured plate with senses of tactile warmth and elasticity. According to an embodiment of the present disclosure, there is an effect that it is possible to provide a metal architectured plate with senses of tactile warmth and elasticity which is configured by stacking sheet-like metal architectured materials having micro-thickness with senses of tactile warmth and elasticity, the metal architectured materials including base microchannels formed with regular intervals; and microchannels with senses of tactile warmth and elasticity formed to protrude between the base microchannels, such that the base microchannels and the microchannels with senses of tactile warmth and elasticity form channels with senses of tactile warmth and elasticity, which are spaces for allowing control of thermal conductivity and an elastic modulus, thereby imparting human-friendly senses of tactile warmth and elasticity.

COMPOSITE COOLING FILM COMPRISING A FLUORINATED ANTISOILING LAYER AND A REFLECTIVE METAL LAYER

A composite cooling film comprises an anti soiling layer of fluorinated organic polymeric material and a reflective metal layer that is disposed inwardly of the anti soiling layer, wherein the antisoiling layer comprises a first, outwardly-facing, exposed antisoiling surface and a second, inwardly-facing opposing surface.

COMPOSITE COOLING FILM COMPRISING A FLUORINATED ANTISOILING LAYER AND A REFLECTIVE METAL LAYER

A composite cooling film comprises an anti soiling layer of fluorinated organic polymeric material and a reflective metal layer that is disposed inwardly of the anti soiling layer, wherein the antisoiling layer comprises a first, outwardly-facing, exposed antisoiling surface and a second, inwardly-facing opposing surface.

RECYCLABLE RESEALABLE LAMINATE STRUCTURE
20230234347 · 2023-07-27 ·

A recyclable flexible laminate for use in a packaging structure, and method of manufacture, comprising a first structure having an inner surface and an outer surface. The first structure comprises machine-direction oriented polyethylene or biaxially oriented polyethylene. The laminate also comprises a second structure having an inner surface and an outer surface, wherein the second structure is machine-direction oriented polyethylene or biaxially oriented polyethylene. The first structure and the second structure are adhesively laminated together using an adhesive.