C09J2400/22

ADHESIVE BONDING COMPOSITION AND METHOD OF USE

A method of and system for adhesive bonding by a) providing a polymerizable adhesive composition on a surface of an element to be bonded to form an assembly; b) irradiating the assembly with radiation at a first wavelength capable of vulcanization of bonds in the polymerizable adhesive composition by activation of sulfur-containing compound with at least one selected from x-ray, e-beam, visible, or infrared light to thereby generate ultraviolet light in the polymerizable adhesive composition; and c) adhesively joining two or more components together by way of the polymerizable adhesive composition, and a curable polymer for use therein.

Methods for sealing microcell containers with phenethylamine mixtures
10793750 · 2020-10-06 · ·

A method for sealing a container having an opening by contacting the opening with a mixture including a phenethylamine and a first polymer, adding a fluid to be contained to the container, and then adding a second mixture, comprising a second polymer, whereupon an interaction between the first and second polymer mixtures result in a seal being formed over the opening, thereby containing the fluid. The first polymer is typically a water-swellable polymer and the second polymer is typically a hydrophilic polymer that will form an interpenetrating network with the swellable polymer.

UV-CURABLE ADHESIVE TAPE AND METHOD FOR JACKETING ELONGATED ITEMS, ESPECIALLY LEADS

The present disclosure relates to an adhesive tape and to a method for jacketing an elongated item, more particularly cable sets. The adhesive tape comprises a tapelike carrier provided on at least one side with an adhesive layer which consists of a self-adhesive, pressure-sensitive adhesive, characterized in that the self-adhesive pressure-sensitive adhesive is a UV-curable composition comprising, based on the total weight of the composition: 15 to 50 parts by weight of matrix polymer; 50 to 85 parts by weight of epoxy resin; 0.1 to 3 parts by weight of photoinitiator, with the matrix polymer forming a self-supporting film in which epoxy resin and photoinitiator are embedded.

ADHESIVE COMPOSITION AND METHODS OF FORMING THE SAME
20200208025 · 2020-07-02 ·

An adhesive composition may include at least about 2 wt. % and not greater than 49 wt. % of a (meth)acrylic based polymeric component A for a total weight of the adhesive composition, at least about 51 wt. % of a (meth)acrylic based polymeric component B for a total weight of the adhesive composition, and at least about 0.1 wt. % and not greater than about 30 wt. % of a tackifier component for a total weight of the adhesive composition. The (meth)acrylic based polymeric component A may have a glass transition temperature (Tg) of at least about 40 C. The (meth)acrylic based polymeric component B may have a glass transition temperature (Tg) of not greater than about 20 C. Further, the (meth)acrylic based polymeric component B may be acid-free.

ADHESIVE COMPOSITION AND METHODS OF FORMING THE SAME

An adhesive may include an adhesive structure and an adhesive composition. The adhesive structure may include a graft copolymer. The adhesive composition may include at least about 1 wt. % and not greater than 40 wt. % of a macromonomer component for a total weight of the adhesive composition, at least about 50 wt. % and not greater than about 98 wt. % of a (meth)acrylic based polymeric component A for a total weight of the adhesive composition, and at least about 0.1 wt. % and not greater than about 30 wt. % of a tackifier component for a total weight of the adhesive composition. The macromonomer component may have a weight-average molecular weight of at least 1000 g/mol and a glass transition temperature (Tg) of at least about 40 C. The (meth)acrylic based polymeric component A may have a glass transition temperature (Tg) of not greater than about 20 C.

CLASSIFYING COMPARATORS BASED ON COMPARATOR OFFSETS
20200213139 · 2020-07-02 ·

Various embodiments relate to classifying comparators based on comparator offsets. A method may include applying, via a strobe, a first voltage to each of a first input and a second input of a comparator to generate a number of output signals from the comparator, wherein each output signal has one of a first polarity and a second polarity. The method may further include in response to each of the number of output signals being the first polarity, applying, via a strobe, an external offset voltage having the second polarity to the comparator to generate a second number of output signals. Further, the method may include in response to each of the second number of output signals being the same polarity, identifying the comparator as a reliable comparator.

DIGITALLY PRODUCED LABEL TRANSFER USING SELECTIVE LASER SINTERING (SLS) METHODS
20200157384 · 2020-05-21 ·

A heat transferable label component for a garment or other clothing item or article is disclosed which is preferably produced using all digitally controlled manufacturing methods. The label component comprises a carrier layer, a release layer, an optional primer layer, a color design layer, a transition layer and at least one adhesive layer. The color design layer displays an image on the label, and the transition layer fixates the image and renders it wash and/or wear resistant. The at least one adhesive layer is positioned on the transition layer, and is preferably applied thereto via a selective laser sintering (SLS) process, wherein a powder layer is spread on the surface and fused with a laser. The adhesive layer can be a double layer comprising a white reactive adhesive layer that undergoes a crosslink reaction to become a thermoset and a substantially clear thermoplastic adhesive layer.

BLENDED BLOCK COPOLYMER/SILICONE PRESSURE SENSITIVE ADHESIVES
20200131409 · 2020-04-30 ·

There is provided a pressure sensitive adhesive demonstrating adhesion to low energy surfaces which is a radiation-crosslinked mixture of a first component comprising a blend of a nonfunctionalized polysiloxane and a silicate-based tackifier; and a second component comprising a blend of a styrenic block copolymer and a tackifier compatible with the styrenic block copolymer. In some embodiments the weight ratio of nonfunctionalized polysiloxane to styrenic block copolymer.in the mixture is between 0.20 and 1.15. In some embodiments the tackifier compatible with the styrenic block copolymer is a blend of hydrogenated hydrocarbon resin tackifier and terpene-based tackifier in a weight ratio of greater than 0.75 hydrogenated hydrocarbon resin tackifier to terpene-based tackifier.

Protective film-forming film, sheet for forming protective film, complex sheet for forming protective film, and inspection method
10559505 · 2020-02-11 · ·

Provided is a sheet (2) for forming protective film, including: a protective film-forming film (1) characterized in that the light transmittance thereof at a wavelength of 1600 nm of 72% or more, and the light transmittance thereof at a wavelength of 550 nm of 20% or less; and a release sheet (21) laminated upon one or both faces of the protective film-forming film (1). According to this sheet (2) for forming a protective film, it is possible to form a protective film that allows for the inspection of cracks, etc., on a workpiece or a product obtained by processing the workpiece, while preventing grinding marks on the workpiece or the product from being visible to the naked eye.

WORKLIFE IMPROVEMENT FOR MULTILAYER COMPRISING AT LEAST ONE UNDERFILL FILM AND METHODS FOR THE PREPARATION AND USE THEREOF
20200009830 · 2020-01-09 ·

Provided herein are multilayer articles comprising at least one underfill film layer. In certain aspects, there are also provided methods for improving the worklife stability of such articles. In certain aspects, there are also provided methods for improving the storage stability of such articles. In certain aspects, there are also provided methods for making such articles. In certain aspects, there are also provided stabilized articles produced by the methods described herein.