C09J7/243

Adhesive compositions and use thereof

The invention provides adhesives comprising at least one polymer component which contains at least 65 weight percent propylene, at least one nucleator and at least one functionalized wax. The inventive adhesives have increased heat resistance and decreased set-time, making them particularly well suited for assembly and packaging applications.

Self-adhesive membrane 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.

Digital printed duct tape

An adhesive tape is provided comprising a duct tape having an adhesive surface and a non-adhesive surface, a white ink printed on the non-adhesive surface of the duct tape, and a colored ink printed on top of the printed white ink. The white ink and the colored ink are digitally printed and UV curable. A self-wound roll of adhesive duct tape having digitally printed ink on the non-adhesive surface of the duct tape is also provided.

MITIGATION OF MINERAL OIL MIGRATION IN PRESSURE-SENSITIVE LABELS AND FILMS
20200061968 · 2020-02-27 · ·

Disclosed are hot-melt, curl-free methods, structures, and compositions, which in flexible packaging applications, reduce mineral-oil, hydrocarbon migration into packaged food. One embodiment provides an optionally oriented base film having a first side and a second side that is a transparent or opaque film. Further, the composition comprises, consists essentially of, or consists of a water-based primer applied to the first side. Further still, the composition includes a barrier layer to mineral-oil migration, wherein the barrier layer is located between the adhesive-receptive layer and the polymeric substrate, and wherein the barrier layer consists essentially of: (i) polymers of polyvinyl alcohol, ethylene vinyl alcohol, polyester, polyamide, or combinations thereof; and (ii) optionally additives. The barrier layer provides a barrier to mineral-oil migration of 0.1 g/day*dm.sup.2 or less at 40 C. for 40 days, and the curl-resistant composition does not curl when heated for at least one hour at 60 C.

ADHESIVE FILM AND METHOD OF MANUFACTURING ELECTRONIC APPARATUS

An adhesive film used when sealing an electronic component to temporarily fix the electronic component, the adhesive film including a base material layer, an adhesive resin layer which is provided on a first surface side of the base material layer and which is for temporarily fixing the electronic component, and an adhesive resin layer which is provided on a second surface side of the base material layer and of which the adhesive strength decreases according to an external stimulus, in which the adhesive resin layer includes a polyvalent carboxylic acid ester-based plasticizer and an adhesive resin, and a content of the polyvalent carboxylic acid ester-based plasticizer in the adhesive resin layer is more than or equal to 0.7 parts by mass and less than or equal to 50 parts by mass with respect to 100 parts by mass of the adhesive resin included in the adhesive resin layer.

LASER DICING ASSISTANCE SHEET
20200040225 · 2020-02-06 ·

Provided is a laser dicing assistance sheet with which chips can be prevented from coming loose during full-cut dicing by laser light irradiation can be prevented. The laser dicing assistance sheet comprises an adhesive layer formed from an adhesive composition. The adhesive layer is characterized by being adjusted such that the residual weight (as measured under a flow of nitrogen (50 ml/min) at a heating rate of 10 C./min) of the constituent material (adhesive composition) at 500 C. is not more than 5.5%.

ADHESIVE TAPE FOR BATTERIES
20200040226 · 2020-02-06 ·

Disclosed is an adhesive tape for battery capable of increasing the productivity of a battery by improving the battery component insertability, the adhesive tape for battery having a base and an adhesive layer provided on one surface of the base, wherein a release agent is applied on the surface opposite to the surface of the base on which the adhesive layer has been provided, and the maximum value of the static friction coefficient and the dynamic friction coefficient according to JIS K 7125: 1999 of the surface on which the release agent has been applied is 0.6 or less.

HIGH-PERFORMANCE REPAIR TAPE FOR BACKBOARD OF PHOTOVOLTAIC MODULE, AND MANUFACTURING METHOD THEREFOR
20200024489 · 2020-01-23 ·

Disclosed is a high-performance repair tape for a backboard of a photovoltaic module. The tape comprises a base material layer, a functional adhesive layer, and a release material layer provided in sequence from top to bottom; the base material layer is formed of a polyester thin film material; the functional adhesive layer is formed of a high weather-resistance adhesive. According to the high-performance repair tape for a backboard of a photovoltaic module, and a manufacturing method therefor provided by the present invention, by selecting a weather-resistant base material layer, effects, such as water resisting, insulation, and ultraviolet radiation resistance, can be achieved, and a backboard independence effect is achieved; by selecting a weather-resistant adhesive for the functional adhesive layer, the weather resistance, high temperature resistance, and yellowing resistance of the tape can be improved; the tape has a strong bonding strength and is not easy to peel off, and the tape is easy to fit and facilitates construction.

Wrap

In accordance with an example embodiment, there is disclosed herein a strip of self-fusing silicon for providing a wrap. The strip has a top surface and a bottom surface. The top surface comprises sides and textured surfaces. Another embodiment includes a method comprised of molding self-fusing silicone. Another embodiment includes a strip of self-fusing silicone that includes a top side comprised of a textured surface which is prepared by a process comprising the steps of molding the self-fusing silicone and cutting the self-fusing silicone into at least one strip of self-fusing silicone.

Adhesive resin compositions and laminates using the same
10525682 · 2020-01-07 · ·

Provided is adhesive resin compositions comprising (A) 30 to 70% by mass of an acid-modified polypropylene-based resin; (B) 20 to 60% by mass of a polypropylene-based resin; and (C) 2 to 20% by mass of a copolymer of ethylene and one or more kinds of comonomers selected from the group consisting of vinyl acetate, alkyl methacrylate, and alkyl acrylate, with the proviso that the sum of the percentages of the above component (A), the above component (B), and the above component (C) is 100% by mass.