Patent application number | Description | Published |
20090286950 | Hotmelt process for producing a chemically crosslinked polyurethane film - Process for producing a chemically crosslinked polyurethane film, comprising the following substeps:
| 11-19-2009 |
20100132885 | PRESSURE-SENSITIVE ADHESIVE FROM A RESIN-MODIFIED POLYURETHENE - Pressure-sensitive adhesive based on a mixture of chemically crosslinked polyurethane and at least one hydrocarbon resin, the chemically crosslinked polyurethane being a reaction product of at least one aliphatic or alicyclic polyisocyanate and a combination of at least one polypropylene glycol diol and one polypropylene glycol triol, reacted with one another catalytically in the presence of the at least one hydrocarbon resin, the at least one hydrocarbon resin being a monomer resin of the styrene/α-methylstyrene type. | 06-03-2010 |
20100307682 | THERMALLY-ACTIVATED AND -HARDENABLE ADHESIVE FOIL, ESPECIALLY FOR ADHESION OF ELECTRONIC COMPONENTS AND FLEXIBLE PRINTED CIRCUIT PATHS - Thermally-activated and hardenable adhesive foil for adhesion of electronic components and flexible printed circuit paths having an adhesive material composed of at least a) one chemically crosslinked or at least partially crosslinked polyurethane, b) one at least bifunctional epoxy resin, c) one hardener for the epoxy resin, in which the epoxy groups react chemically with the hardener at high temperatures, in which at least one of the starting materials of the polyurethane is a hydroxyl-functionalized polycarbonate and at least one of the starting materials of the polyurethane has a functionality greater than two | 12-09-2010 |
20110111221 | POLYURETHANE-BASED PRESSURE-SENSITIVE ADHESIVE - Polyurethane-based pressure-sensitive adhesive wherein the polyurethane comprises the chemical reaction product of at least the following starting materials:
| 05-12-2011 |
20140113070 | PRIMER FOR IMPROVING THE ADHESION OF ADHESIVE TAPES ON PLASTICS AND METALS WHICH ARE DIFFICULT TO BOND - Primer comprising a mixture, dissolved or dispersed in one or more solvents, of I) a pressure sensitive adhesive obtained by copolymerization of a) at least one acrylic ester of a linear primary alcohol, b) at least on acrylic ester of a branched, acyclic alcohol, and d) acrylic acid, II) at least one thermal crosslinker, and III) at least one chlorinated polyolefin. | 04-24-2014 |
20140127501 | DOUBLE-SIDED ADHESIVE TAPE COMPRISING A FIRST OUTER, PRESSURE-SENSITIVE ADHESIVE SIDE, AND A SECOND OUTER SIDE WHICH CAN BE THERMALLY-ACTIVATED - The invention relates to a double-sided adhesive tape having a first outer, pressure-sensitive adhesive side and a second outer, thermally-activatable side, and that comprises an at least dual-layered product construction consisting of layers A and B, layer A being a pressure-sensitive adhesive layer that is chemically cross-linked by thermal initiation, or being a pressure-sensitively adhesive carrier layer chemically cross-linked by thermal initiation, layer B being a thermoplastic synthetic material-based layer, layers A and B being in direct contact with one another, and the surface of layer A, which is in direct contact with layer B, having been corona or plasma pre-treated. The corona or plasma pre-treatment takes place in an atmosphere of nitrogen, carbon dioxide or a noble gas, or a mixture of at least two of these gases. The inventive adhesive tape is useful for adhesively bonding articles composed of thermoplastic polymer, of EPDM, or of another rubberlike material. | 05-08-2014 |
20140154425 | METHOD FOR INCREASING THE ADHESIVE POWER OF A PRESSURE-SENSITIVE ADHESIVE LAYER HAVING AN UPPER AND A LOWER SURFACE - Method for increasing the adhesive power of a pressure-sensitive adhesive layer having an upper and a lower surface, wherein at least one surface of the pressure-sensitive adhesive layer is subjected to a physical process, said physical process being selected from among the group comprising corona discharge, dielectric barrier discharge, preliminary flame treatment, or plasma treatment. | 06-05-2014 |
20140154944 | ADHESIVE TAPE, PREFERABLY SELF-ADHESIVE TAPE, COMPRISING OF AT LEAST TWO LAYERS A AND B LAMINATED DIRECTLY ON ONE ANOTHER, WITH AT LEAST ONE OR BOTH LAYERS A OR B BEING AN ADHESIVE - Adhesive tape having at least two layers A and B laminated directly on one another, with at least one or both layers A or B being an adhesive, and the interfaces of the layers A and B laminated on one another being subjected to a physical method, the physical method being selected from the group consisting of corona discharge, dielectric barrier discharge, flame pretreatment and plasma treatment, before the layers are laminated to one another, with the two methods differing from one another. | 06-05-2014 |
20140309346 | BLACK SILANE PRIMER FOR IMPROVING THE ADHESION OF ADHESIVE TAPES TO GLASS SURFACES - The invention relates to a primer, comprising a mixture dissolved or dispersed in one or more solvents, the mixture composed of
| 10-16-2014 |
Patent application number | Description | Published |
20100132885 | PRESSURE-SENSITIVE ADHESIVE FROM A RESIN-MODIFIED POLYURETHENE - Pressure-sensitive adhesive based on a mixture of chemically crosslinked polyurethane and at least one hydrocarbon resin, the chemically crosslinked polyurethane being a reaction product of at least one aliphatic or alicyclic polyisocyanate and a combination of at least one polypropylene glycol diol and one polypropylene glycol triol, reacted with one another catalytically in the presence of the at least one hydrocarbon resin, the at least one hydrocarbon resin being a monomer resin of the styrene/α-methylstyrene type. | 06-03-2010 |
20100307682 | THERMALLY-ACTIVATED AND -HARDENABLE ADHESIVE FOIL, ESPECIALLY FOR ADHESION OF ELECTRONIC COMPONENTS AND FLEXIBLE PRINTED CIRCUIT PATHS - Thermally-activated and hardenable adhesive foil for adhesion of electronic components and flexible printed circuit paths having an adhesive material composed of at least a) one chemically crosslinked or at least partially crosslinked polyurethane, b) one at least bifunctional epoxy resin, c) one hardener for the epoxy resin, in which the epoxy groups react chemically with the hardener at high temperatures, in which at least one of the starting materials of the polyurethane is a hydroxyl-functionalized polycarbonate and at least one of the starting materials of the polyurethane has a functionality greater than two | 12-09-2010 |
20110111221 | POLYURETHANE-BASED PRESSURE-SENSITIVE ADHESIVE - Polyurethane-based pressure-sensitive adhesive wherein the polyurethane comprises the chemical reaction product of at least the following starting materials:
| 05-12-2011 |
20110237760 | Hydroxyl-Functionalised Polyurethane Hot Melt Prepolymer - The invention relates to hydroxyl-functionalised polyurethane hot melt prepolymers comprising the chemical reaction product of isocyanate-reactive starting materials with at least one isocyanate-containing starting material. Said prepolymers are characterised in that the isocyanate-reactive starting materials of the hydroxyl-functionalised polyurethane hot melt prepolymers have a polypropylene glycol with a functionality higher than two and a number-average molar mass higher than or equal to 3,000 g/mol, a polypropylene glycol with a functionality less than or equal to two and a number-average molar mass less than or equal to 1,000 g/mol, and a chain lengthener with a functionality less than or equal to 500 g/mol, and the isocyanate-containing starting material of the hydroxyl-functionalised polyurethane hot melt prepolymer has an aliphatic or alicyclic diisocyanate. | 09-29-2011 |