C09J2301/302

PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET

A PSA composition comprising a block copolymer of a monovinyl-substituted aromatic compound and a conjugated diene compound, a tackifier resin, and a softening agent is provided. The tackifier resin comprises a natural product-based tackifier resin (A) having a softening point higher than 80° C. and containing no aromatic ring, and a petroleum-based tackifier resin (B) having a softening point higher than 100° C. and containing an aromatic ring. The content of the tackifier resin (A) is 40 to 120 parts by weight, the content of the tackifier resin (B) is 5 to 40 parts by weight, the total amount of the tackifier resin is 60 to 160 parts by weight, and the content of the softening agent is 5 to 40 parts by weight with respect to 100 parts by weight of the block copolymer, with respect to 100 parts by weight of the block copolymer.

ADHESIVE AGENT COMPOSITION, ADHESIVE TAPE, AFFIXING METHOD FOR ELECTRONIC DEVICE COMPONENT OR IN-VEHICLE COMPONENT, AND PRODUCTION METHOD FOR ELECTRONIC DEVICE COMPONENT OR IN-VEHICLE COMPONENT

The present invention aims to provide an adhesive composition that can exhibit excellent adhesion to both smooth surfaces and rough surfaces. The present invention also aims to provide an adhesive tape including an adhesive layer containing the adhesive composition, as well as a method for fixing and a method for producing an electronic device component or an in-vehicle component using the adhesive tape. Provided is an adhesive composition containing an acrylic copolymer containing a structural unit derived from n-heptyl (meth)acrylate.

WATER-DISPERSED PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET

A water-dispersed pressure-sensitive adhesive composition of the present invention includes a water-dispersible polymer, a carboxylic acid copolymer thickener, a polyacrylic acid thickener, and water. A ratio of the carboxylic acid copolymer thickener in the solid content of the water-dispersed pressure-sensitive adhesive composition is 0.1% by mass or more and 1.5% by mass or less. A ratio of the polyacrylic acid thickener in the solid content of the adhesive composition is 1% by mass or more and 3.7% by mass or less. A pressure-sensitive adhesive sheet of the present invention has a pressure-sensitive adhesive layer formed from the water-dispersed pressure-sensitive adhesive composition.

Pressure Sensitive Adhesive Building Surface Accessory
20230052281 · 2023-02-16 ·

The present disclosure relates a building surface accessory comprising an elongated body having a length that extends from a first end to a second end, the elongated body having an inside surface, an outside surface, a first edge, and a second edge, and an adhesive sheet having an outside surface coupled to the elongated body, an inside surface, and pressure sensitive adhesive on at least a portion of the inside surface, wherein the adhesive sheet is embossed such that the pressure sensitive adhesive has a plurality of raised portions.

Method for mitigating passive intermodulation

Materials and methods for mitigating passive intermodulation. A membrane for reducing passive intermodulation includes a first polymeric layer, a second polymeric layer, and a continuous metal layer encapsulated between the first and second polymeric layers. A self-adhesive radio frequency barrier tape includes a waterproof polymeric top layer, a metal-containing layer adhered by an adhesive layer to the polymeric top layer, a pressure sensitive adhesive layer adhered to the metal-containing layer, and a release liner on a bottom surface of the pressure sensitive adhesive layer. A method of mitigating passive intermodulation includes passing a probe over an area of interest, the probe being sensitive to an intermodulation frequency of interest, and identifying a suspected source of passive intermodulation when the amplitude of the probe output exceeds a threshold at the frequency of interest. The method further includes covering the suspected passive intermodulation source with a radio frequency barrier material.

Adhesive sheet set and method for producing product

An adhesive sheet set including a pair of adhesive sheets respectively including an adhesive layer capable of being cured and adhered by being in contact with each other, and a method for producing a product using the same. An adhesive sheet set including a first adhesive sheet and a second adhesive sheet, wherein the first adhesive sheet includes a first separator and a first adhesive layer provided on one surface of the first separator, the second adhesive sheet includes a second separator and a second adhesive layer provided on one surface of the second separator, and the first adhesive sheet and the second adhesive sheet are configured to be cured and adhered by the first adhesive layer and the second adhesive layer being in contact with each other.

IR-reflective ink, film, and tape

The present application is drawn to infrared reflective ink formulations, infrared reflective dried coatings prepared from such inks, and IR-reflective substrates and adhesive tapes prepared from such inks and coatings. The inks are suitable for printing by gravure or flexo methods onto polymeric substrates such as PET, paper, or other substrate materials. The coatings are reflective in the near-infrared range. The coatings and tapes are well suited for use in manufacturing methods. The coatings and/or the tapes are ultrathin, on the order of a few micrometers, making them attractive for use in different industrial applications.

Transient infrastructure for ubiquitous network communications applications
11580348 · 2023-02-14 ·

The disclosure generally relates to networking infrastructure and, more particularly, to installing transient infrastructure for ubiquitous networking applications. A wireless gateway device is sent to physical premises with a parcel. After the wireless gateway device is delivered to the physical premises, a processor of the wireless gateway device draws power from the energy source to perform operations comprising executing program code stored in non-transitory processor-readable medium to establish a wireless communications connection with a network service through a first type of wireless communications interface. The wireless gateway device performs operations comprising establishing wireless communications with one or more wireless peripheral devices in the physical premises through the second type of wireless communications interface.

DYNAMICALLY CROSSLINKED TOUGH ADHESIVE WITH RECYCLABILITY
20230044696 · 2023-02-09 ·

A crosslinked adhesive composition comprising: (i) a polymer; (ii) solid particles embedded within the polymer; and (iii) a multiplicity of boronate linkages crosslinking between the polymer and solid particles, wherein the boronate linkages have the formula

##STR00001##

wherein the polymer and particles are connected to each other through the boronate linkages, and the crosslinked adhesive composition has an ability to bond surfaces and a further ability to thermally debond and rebond the surfaces. Also described herein is a method of bonding first and second surfaces together, the method comprising placing the above-described crosslinked adhesive composition onto the first surface and pressing the second surface onto the crosslinked adhesive composition on the first surface.

Activatable adhesive label
11557229 · 2023-01-17 · ·

The invention relates to an activatable adhesive label comprising a flexible web-shaped viewing material. At least one adhesive layer made of a moisture-activatable adhesive that is not adhesive in the dry state is applied onto one side of the flexible viewing material, wherein at least one central layer is provided which is designed to be adhesive and which is arranged between the viewing material and the adhesive layer.