B32B2309/02

Poly-supported copper foil
11584109 · 2023-02-21 · ·

A supported copper foil is disclosed, comprising: a poly-based film that contains polyimide and polytetrafluoroethylene; a thin copper foil; and an adhesive provided between the poly-based film and the thin copper foil, the adhesive removably coupling the poly-based film to the copper foil.

AN ADHESIVE COMPOSITION AND USE THEREOF FOR BONDING OF PLASTIC FOAM PLATES
20220356380 · 2022-11-10 · ·

A hot-melt adhesive composition, which can be used for bonding of expanded polystyrene foam plates and expanded extruded polystyrene foam plates. The adhesive composition includes at least one at 25° C. solid poly-α-olefin, at least one tackifying resin, and at least one organic phosphorus-containing compound. The invention also uses adhesive composition for bonding of plastic foam plates, to a method for producing a composite element, and to a composite element including a first and second substrate bonded to each via a layer of adhesive composition of the present invention.

LAMINATED BODY AND METHOD FOR MANUFACTURING LAMINATED BODY
20230095868 · 2023-03-30 · ·

A laminated body includes a glass substrate, an adhesion layer, and a resin layer in this order. The adhesion layer includes a side-contact portion. The side-contact portion is located outside an outer edge of the resin layer in a part of an entire circumferential of the outer edge when observing the laminated body from a normal direction of a surface of the glass substrate, and is in contact with at least a part of a side surface of the resin layer.

ARTIFICIAL LEATHER HAVING VISUAL PENETRATION AND MANUFACTURING METHOD THEREOF

The present disclosure relates to an step artificial leather having visual penetration and a manufacturing method thereof. The artificial leather includes a thermoplastic substrate, a thermoplastic adhering layer, and a thermoplastic surface layer. The thermoplastic substrate has fiber net shape, and has visual penetration. The thermoplastic adhering layer is disposed on the thermoplastic substrate. The thermoplastic surface layer is disposed on the thermoplastic adhering layer. The thermoplastic surface layer and the thermoplastic adhering layer are transparent. Therefore, the artificial leather of the present disclosure has visual penetration effect. The product made from the artificial leather of the present disclosure has attractive appearance and diversity.

Building membrane with porous pressure sensitive adhesive
11485112 · 2022-11-01 · ·

A breathable multilayer spun bonded polypropylene membrane having a coated pressure sensitive adhesive capable of allowing air and moisture vapor to pass through it. The adhesive is formed of a copolymer comprising a backbone of n-butyl acrylate, 2-ethylhexyl acrylate, and vinyl acetate which is mixed with a surfactant and emulsified to produce bubbles which form pores when the copolymer is set with about 80% to about 90% of the pore sizes ranging from about 200 microns to about 300 microns and a pore density in the cured pressure sensitive adhesive ranging from about 4200 per inch.sup.2 to about 4600 per inch.sup.2, said pores being uniformly distributed to form a flow path through the adhesive.

PAINTABLE AND BONDABLE LAMINATE
20230032940 · 2023-02-02 ·

A laminate product is disclosed. The laminate product includes a base layer formed from a thermoplastic polyolefin and a bondable first layer laminated to the base layer. Paint, ink, or attachments may be applied to the bondable first layer. A method of producing the laminate product includes the steps of laminating a base layer and a bondable first layer by application of pressure and heat to the base layer and the first layer. Paint, ink, or attachments may then be applied to the bondable first layer.

METHOD FOR THE PRODUCTION OF AN ELASTIC LAMINATE AND LAMINATED ELASTIC PRODUCT

A method for the production of an elastic laminate, with the following steps in a production line: coextrudeing a first web of elastic film with at least three layers, with at least two different polymer materials, to feed contemporaneously said coextruded first elastic film web and two second nonwoven webs to a thermal, binding calender, wherein the first elastic film web is arranged between said two second nonwoven webs when entering the calender; wherein said first elastic film web, during the movement from the coextrusion step to the thermal binding step, passes from a melted state, to a solidified and cold state when entering the calender, to join, through spot welding in said calender, said second nonwoven webs with respective opposite outer layers of said first elastic film web, thus producing an intermediate web, to stretch mechanically said intermediate web according to a direction transverse to the same web.

WATER VAPOR-PERMEABLE COMPOSITE MATERIAL
20220349119 · 2022-11-03 · ·

A composite material contains a nonwoven layer (i) which contains fibers formed from a first thermoplastic elastomer having meshes with a mesh size in the range from 10 to 100 μm, and a membrane layer (ii) which contains a second thermoplastic elastomer and having a layer thickness of less than 30 μm. The membrane is either pore-free (ii.1) or is porous and has pores with an average pore diameter of less than 2000 nm (ii.2). The membrane (ii) is at least partially in direct contact with the fibers of the nonwoven layer (i) and covers the mesh openings in the nonwoven layer (i) at least partially. The fibers of the first nonwoven layer (i) and the membrane (ii) in the contact area are at least partly joined to one another in an interlocking manner.

METHODS OF MAKING PRINTED STRUCTURES

An example of a method of making a printed structure comprises providing a destination substrate, contact pads disposed on the destination substrate, and a layer of adhesive disposed on the destination substrate. A stamp with a component adhered to the stamp is provided. The component comprises a stamp side in contact with the stamp and a post side opposite the stamp side, a circuit, and connection posts extending from the post side. Each of the connection posts is electrically connected to the circuit. The component is pressed into contact with the adhesive layer to adhere the component to the destination substrate and to form a printed structure having a volume defined between the component and the destination substrate. The stamp is removed and the printed structure is processed to fill or reduce the volume.

THERMAL DEBONDING OF PRIMER-INITIATED CURABLE STRUCTURAL ADHESIVE FILMS

Debonding methods comprise: providing a bound article comprising, in order: a first adherend, a first primer layer, an adhesive layer, optionally a second primer layer, and a second adherend; heating the article to a release temperature; and separating the first and second adherends. At room temperature, the adhesive layer exhibits a high overlap shear of greater than 1.0 MPa (145 psi) or even greater than 5.0 MPa (725 psi), however, at release temperature, the adhesive layer exhibits an overlap shear of no more than 0.34 MPa (50 psi) or even no more than 0.21 MPa (30 psi). The release temperature may be a temperature between 100° C. and 150° C. The adhesive layer may comprise: a first film-forming polymer or oligomer; a cured polymer comprising a polymer of a first species comprising first unsaturated free-radically polymerizable groups; a first transition metal cation; and optionally a quaternary ammonium salt.