C09J107/00

Photoreversible adhesive agent

When conventional photo-reactive compounds are to be liquefied with the application of light, liquefaction thereof is time-consuming due to poor sensitivity to ultraviolet light. In the case of conventional photo-reactive compounds, disadvantageously, light does not penetrate through layers to be adhered to each other when such layers are thick. Thus, peeling is not sufficiently performed. Accordingly, it is an object of the present invention to overcome such drawbacks of conventional photo-reactive compounds and provide a photo-reactive adhesive agent exhibiting high sensitivity to light for fluidization and capable of easy peeling. This invention provides a photo-reactive pressure-sensitive adhesive agent comprising, as a main component, a polymeric compound with a weight average molecular weight of 3,000 to 800,000 represented by General Formula (1): ##STR00001##
wherein A represents a block polymer of monomers represented by Formula (2) below with a molecular weight of 1,000 to 100,000; and B represents a block polymer with a molecular weight of 1,000 to 400,000 having a glass transition point and a melting point of 20 C. or lower, which is liquid or plastically deformable at room temperature, provided that B does not absorb light of a wavelength range of 350 to 600 nm by itself: ##STR00002##
wherein R.sub.1 represents a group having an azobenzene structure represented by Formula (3) below; n is an integer of 2 to 18; m is an integer of 0 to 16; and R.sub.2 represents hydrogen or a methyl group. ##STR00003##

Peelable adhesive composition
10745594 · 2020-08-18 · ·

The invention relates to an adhesive composition comprising at least one latex and at least one polymer composition having a glass transition temperature ranging from 50 C. to 0 C., said adhesive composition being particularly suitable for bonding flexible surface coverings having a high dimensional variability. The invention also relates to a membrane obtained after drying of the adhesive composition according to the invention, a combination of a flexible surface covering with an adhesive composition according to the invention, a method of application of a flexible surface covering onto a substrate as well as a substrate covered with a peelable adhesive membrane according to the invention.

Peelable adhesive composition
10745594 · 2020-08-18 · ·

The invention relates to an adhesive composition comprising at least one latex and at least one polymer composition having a glass transition temperature ranging from 50 C. to 0 C., said adhesive composition being particularly suitable for bonding flexible surface coverings having a high dimensional variability. The invention also relates to a membrane obtained after drying of the adhesive composition according to the invention, a combination of a flexible surface covering with an adhesive composition according to the invention, a method of application of a flexible surface covering onto a substrate as well as a substrate covered with a peelable adhesive membrane according to the invention.

HEAT SEALABLE COATING
20200255676 · 2020-08-13 ·

The present invention relates to a heat sealable and water repellent coating and a substrate comprising said heat sealable and water repellent coating that can be used in the manufacture of drinking cups or food boxes, in particular hot drinking cups or hot food boxes. Said heat sealable and water repellent coating comprises a cyclic imide co-polymer, at least two adhesive binders, of which one of these is a polymer with a Tg lower than 20 C. and a molecular weight above 25000 Da, said polymer being selected from the group comprising natural rubber, polyacrylate, polystyrene butadiene, polybutene, polyisobutene, polyisoprene; preferably natural rubber, and a tackifying agent.

Due to its specific characteristics, the heat sealable and water repellent substrate comprising the coating according to the present invention is biodegradable, recyclable and repulpable.

Method for joining two webs together with an adhesive tape
10738225 · 2020-08-11 · ·

The invention relates to an adhesive tape with a carrier composed of a film, there being applied on one side of the carrier an adhesive based on natural rubber or synthetic rubber, where the film is a biaxially oriented film made of polypropylene, polyethylene or polyester such as PET, and on the side of the carrier not coated with adhesive there is a release layer, based in particular on carbamate.

Method for joining two webs together with an adhesive tape
10738225 · 2020-08-11 · ·

The invention relates to an adhesive tape with a carrier composed of a film, there being applied on one side of the carrier an adhesive based on natural rubber or synthetic rubber, where the film is a biaxially oriented film made of polypropylene, polyethylene or polyester such as PET, and on the side of the carrier not coated with adhesive there is a release layer, based in particular on carbamate.

ADHESIVE COMPOSITION AND USE THEREOF FOR PROVIDING A SELF-HEALING ADHERED ROOFING SYSTEMS
20200216722 · 2020-07-09 · ·

An adhesive composition and use thereof for providing self-healing adhered roofing systems. The adhesive composition includes at least one rubber component, at least one organic solvent, and 12.5-40 wt.-% of at least one powdered superabsorber polymer, based on the total weight of the adhesive composition. Further, a self-healing membrane composite, to a method for forming a self-healing adhered roofing system, to a self-healing adhered roofing system and to use of at least one powdered superabsorber polymer in an adhesive for providing a self-healing adhered roofing system.

ADHESIVE COMPOSITION AND USE THEREOF FOR PROVIDING A SELF-HEALING ADHERED ROOFING SYSTEMS
20200216722 · 2020-07-09 · ·

An adhesive composition and use thereof for providing self-healing adhered roofing systems. The adhesive composition includes at least one rubber component, at least one organic solvent, and 12.5-40 wt.-% of at least one powdered superabsorber polymer, based on the total weight of the adhesive composition. Further, a self-healing membrane composite, to a method for forming a self-healing adhered roofing system, to a self-healing adhered roofing system and to use of at least one powdered superabsorber polymer in an adhesive for providing a self-healing adhered roofing system.

Adhesive having anti-insect efficiency

The present invention relates to an adhesive comprising an anti-insect ingredient comprising a plant extract, wherein the plant extract comprises an extract of Cinnamomum cassia, an extract of Syzygium aromaticum and an extract of Artemisia capillaris and an adhesive ingredient comprising a binder. The adhesive is environment friendly and does not have any toxic ingredient on a human body and exhibit excellent and synergic anti-insect efficiency by using three plant extracts. Therefore, it is possible to control pests that may have an adverse effect on foods by applying the adhesive to a food package box.

Adhesive having anti-insect efficiency

The present invention relates to an adhesive comprising an anti-insect ingredient comprising a plant extract, wherein the plant extract comprises an extract of Cinnamomum cassia, an extract of Syzygium aromaticum and an extract of Artemisia capillaris and an adhesive ingredient comprising a binder. The adhesive is environment friendly and does not have any toxic ingredient on a human body and exhibit excellent and synergic anti-insect efficiency by using three plant extracts. Therefore, it is possible to control pests that may have an adverse effect on foods by applying the adhesive to a food package box.