Genk, Belgium
Genk, Belgium

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Patent
Nitto Europe N.V | Date: 2017-03-22

This invention relates to a pressure-sensitive adhesive composition comprising a mixture of: (a) a styrene-butadiene-styrene triblock copolymer, (b) a styrene-butadiene diblock copolymer, and (c) an aromatic modified aliphatic hydrocarbon resin; wherein the content of component (c) in the mixture is in the range of from 10 to 45 wt.-% relative to the total weight of the mixture, which allows to produce environmentally friendly adhesive compositions and tapes which at the same time exhibit high shear strength, low creep rates, excellent adhesion on a large number of surfaces, low or no sagging at high temperatures, good processability and easy removability without leaving residues.


Patent
Nitto Europe N.V and Nitto Denko Corporation | Date: 2015-01-07

The present invention provides a composition comprising an unsaturated polycondensate comprising a component with at least one carbon-carbon double bond and at least two carboxylic acid groups or the respective diester derivatives, preferably itaconic acid or an itaconic acid diester, in combination with a diol or a dimer of a fatty alcohol and a diacid monomer different from the first mentioned component; and a component chosen from a tackifying resin and/or a low-Tg polyester polyol, and/or a plasticizer; wherein the unsaturated polycondensate is capable of being cured via a radical mechanism. The invention is also directed at an environment-friendly adhesive comprising said composition, at a method for preparing the adhesive and at the use of the adhesive for laminating a sheet or a film.


Patent
Nitto Europe N.V. and Nitto Denko Corporation | Date: 2015-10-20

The present invention provides pressure-sensitive adhesive films with a favourable visual appearance and surface printability without discoloration and burrs on the cutting edge after short-wavelength laser machining. At the same time, the PSA films of the present invention exhibit a favourable cuttability, allowing for high fiber laser as well as carbon dioxide laser cutting speeds. Since the use of the PSA films of the present invention as surface protecting films does not require extensive cleaning and polishing operations after the cutting process and the cutting process itself may be accelerated, the efficiency of laser machining methods may be improved.


Patent
Nitto Europe N.V | Date: 2016-09-28

The present invention relates to a method for prevention of premature polymerization during the preparation, purification, transportation and storage of a polymerizable compound with at least one conjugated unsaturated group in the presence of an azine dye-based compound as inhibitor. Further the present invention relates to methods of preparing such inhibitors as well as to the inhibitors itself, as well as to methods of improving solubility and stability of dissolved inhibitors.


Patent
Nitto Europe N.V. | Date: 2016-03-24

The present invention relates to a method for prevention of premature polymerization during the preparation, purification, transportation and storage of a polymerizable compound with at least one conjugated unsaturated group in the presence of an azine dye-based compound as inhibitor. Further the present invention relates to methods of preparing such inhibitors as well as to the inhibitors itself, as well as to methods of improving solubility and stability of dissolved inhibitors.


Disclosed is a kit which may be used to provide windows, such as windows of a vehicle or a building, with an image display. The kit comprises a transparent multilayer film which comprises a release liner; a pressure-sensitive, optically clear adhesive layer; a transparent flexible substrate; transparent electrically conductive layer; a transparent organic light-emitting device (TOLED) region electrically connected with the transparent electrically conductive layer; an encapsulation layer configured to encapsulate the transparent electrically conductive layer and the TOLED region; and a protective film. The images displays provided by using the kit have a favourably long visibility range and are at the same time nearly invisible when inactive. The use of such kits to provide windows with an image display, e.g. windows having a safety light function, and windows modified accordingly are also disclosed.


Patent
Nitto Denko Corporation and Nitto Europe N.V. | Date: 2014-01-15

A polyvinyl chloride-based adhesive tape or sheet has a base material layer formed to include 10 to 40 parts by weight of plasticizing agent(s) in relation to 100 parts by weight of a polyvinyl chloride-based resin and an adhesive layer on one surface of the base material layer, the plasticizing agent includes at least one type of plasticizing agent having an SP value of at least 9.0.


Patent
Nitto Denko Corporation and Nitto Europe N.V | Date: 2016-04-27

The present invention provides pressure-sensitive adhesive films with a favourable visual appearance and surface printability without discoloration and burrs on the cutting edge after short-wavelength laser machining. At the same time, the PSA films of the present invention exhibit a favourable cuttability, allowing for high fiber laser as well as carbon dioxide laser cutting speeds. Since the use of the PSA films of the present invention as surface protecting films does not require extensive cleaning and polishing operations after the cutting process and the cutting process itself may be accelerated, the efficiency of laser machining methods may be improved. The pressure-sensitive adhesive film comprising a white resin film as a substrate and a pressure-sensitive adhesive layer provided at least on a face of the resin film, wherein, the resin film has a laser beam absorbance in the wavelength range of 1000 nm to 1100 nm of at least 0% and lower than 55%, a laser beam transmittance in the wavelength range of 1000 nm to 1100 nm of more than 5%, and a laser beam reflectance in the wavelength range of 1000 nm to 1100 nm of higher than 40%. In a preferred embodiment the resin film comprises 5 % by mass or more based on the resin film of TiO_(2).


Patent
Nitto Denko Corporation and Nitto Europe N.V | Date: 2014-01-01

The pressure-sensitive adhesive film according to the present invention comprises a resin film as a substrate and a pressure-sensitive adhesive layer provided at least on a face of the resin film. The resin film has a multi-layer constitution consisting of at least two layers. The resin film has a laser beam reflectance of 5 % or higher, but 40 % or lower in a wavelength range of 1000 nm to 1100 nm, and has a laser beam transmittance of 5 % or lower in the said wavelength range.


Patent
Nitto Denko Corporation and Nitto Europe N.V. | Date: 2016-02-24

The pressure-sensitive adhesive film according to the present invention comprises a resin film as a substrate and a pressure-sensitive adhesive layer provided at least on a face of the resin film. The resin film has a multi-layer constitution consisting of at least two layers. The resin film has a laser beam reflectance of 5% or higher, but 40% or lower in a wavelength range of 1000 nm to 1100 nm, and has a laser beam transmittance of 5% or lower in the said wavelength range.

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