The present invention relates to a carbon nanotube structure and the preparation method thereof for easily controlling a Poisson's ratio. The carbon nanotube structure according to the present invention includes a plurality of carbon nanotubes that are tilted at a predetermined angle with respect to a direction of a first axis to which tension is applied and aligned. Here, a negative Poisson's ratio can be changed by controlling a tilt angle of the plurality of carbon nanotubes.

One embodiment relates to an, article and a method for producing an article including a plurality of substrates, and an adhesive bonded between at least two of the plurality of substrates. The adhesive can include a polycarbonate copolymer that includes reacted resorcinol, siloxane, and bisphenol-A. Another embodiment relates to an article having a first polyimide substrate, a second polyimide substrate, and an adhesive bonded between the first substrate and the second substrate. The article can have a 2 minute integrated heat release rate of less than or equal to 65 kilowatt-minutes per square meter (kW−min/m.sup.2) and a peak heat release rate of less than 65 kilowatts per square meter (kW/m.sup.2) as measured using the method of FAR F25.4, in accordance with Federal Aviation Regulation FAR 25.853(d).

This disclosure relates to a flexible metal laminate including a porous polyimide resin layer including 30 wt % to 95 wt % of a polyimide resin, and 5 wt % to 70 wt % of fluorine-containing resin particles, wherein micropores having a diameter of 0.05 μm to 20 μm are distributed in the porous polyimide resin layer, and a method for preparing the same.

To provide an adhesive excellent in adhesion to a thermoplastic resin and an ethylene/vinyl alcohol copolymer. An adhesive comprising a hydrolyzate of a resin composition containing a thermoplastic resin (A), a copolymer (B) of ethylene and a vinyl ester and/or an acrylic acid ester having a vinyl ester and/or acrylic acid ester content higher by at least 5 mol % than (A); and a modified product having (A) grafted by (B), and an adhesive resin composition comprising it.

A method of manufacturing a laminate comprises providing a binder impregnated core layer by impregnating at least one fibrous layer with an aqueous core binder solution having a viscosity in the range 75 cP to 500 cP at a temperature of 20° C. and a bake-out solid content in the range 40 wt % to 85 wt %, in which the aqueous core binder solution comprises (i) at least 25% by dry weight of a) reducing sugar reactant(s) and nitrogen-containing reactant(s) and/or b) curable reaction product(s) of reducing sugar reactant(s) and nitrogen-containing reactant(s); and (ii) between 5% and 15% by weight of a non-aqueous solvent based on the total weight of the aqueous binder solution; providing a semi-finished assembly by assembling the binder impregnated core layer with a surface layer; and applying heat and pressure to the semi-finished assembly to cure the binder in the binder impregnated core layer and secure the core layer and the surface layer together.

The present invention relates to a polyurethane laminating adhesives, methods for producing a multilayer laminate by laminating at least two films with a polyurethane laminating adhesive, and multilayer laminates obtainable by these methods wherein the polyurethane laminating adhesive comprises an NCO-terminated polyurethane prepolymer obtainable by reacting a polyol mixture comprising: 0.1 to 20.0 wt % relative to the total weight of the polyol mixture of at least one polybutadiene polyol; and 5.0 to 99.9 wt % relative to the total weight of the polyol mixture of at least one polyether polyol, wherein the at least one polyether polyol comprises at least one polyether polyol with a number average molecular weight M.sub.n in the range of >1000 g/mol to 10000 g/mol; with at least one polyisocyanate, wherein the at least one polyisocyanate is used in an amount such that the isocyanate groups are present in molar excess relative to the hydroxyl groups of the polyol mixture. Also encompassed are the use of the described adhesives for laminating two or more films, and the multilayer laminates obtainable by the described methods.

A resin molded article includes an insert component and a synthetic resin member sealing the insert component. The insert component is provided by a primary molded product of a thermosetting resin, or a metal component, and has a functional group. The synthetic resin member is provided by a synthetic resin including a base polymer of a thermoplastic resin and a bonding component bonding with the functional group included in the insert component. The synthetic resin member has a sea structure formed of a continuous phase including the base polymer, and at least a part of the bonding component is present as a dispersed component in the sea structure. The dispersed component bonds with the functional group included in the insert component.

An adhesive composition for oil bleeding silicone rubber comprising any of: (A) an alcohol-based organic solvent solution adding 45 to 120 parts by weight of organometallic compound and 2 to 10 parts by weight of water, based on 100 parts by weight of vinyltrialkoxysilane, (B) a solution in which 5 parts by weight or less, preferably 1 to 5 parts by weight, of 3-aminopropyltrialkoxysilane is added to the above alcohol-based organic solvent solution (A), or (C) a solution in which uncrosslinked silicone rubber dissolved beforehand in an organic solvent is added to the above alcohol-based organic solvent solution (A) or (B) in which the amount of the organometallic compound is changed to 5 to 20 parts by weight, at a ratio of 0.1 to 5 wt. %, based on the total solid matters of vinyltrialkoxysilane and the organometallic compound. The adhesive composition has excellent adhesion to various substrates, including metals.

The present invention relates to a laminated film roll body, around which a laminated film is wound, the laminated film including: a first polyimide film; and a second polyimide film laminated on the first polyimide film and made of a fluorine-based, siloxane-based, or amine-based polyamic acid, wherein the second polyimide film has a glass transition temperature of 350° C. or higher when measured by a temperature elevation rate of 20° C./min. The laminated film roll body can be used in a continuous manufacturing process of a flexible device to improve process yield and efficiency.

Methods for forming a TPE-skinned composite include forming a skin layer having at least one surface and having a thermoplastic elastomer and an adhesive promoting agent; providing a foam layer; and forming the foam layer onto the said surface of the skin layer to form the TPE-skinned composite. Optional additives such as an organo-silane compound may be added to further improve the adhesion between the skin layer and the foam. The present disclosure also provides a TPE-skinned composite including a skin layer having a thermoplastic elastomer present in an amount of greater than 90 wt. %; and an adhesive promoting agent present in an amount of from 0.5 wt. % to 10 wt. % based upon the total weight of the skin layer.