Loctite (R&D) Limited Patent applications |
Patent application number | Title | Published |
20140216649 | THIOL-ENE CURED OIL-RESISTANT POLYACRYLATE SEALANTS FOR IN-PLACE GASKETING APPLICATIONS - The present invention relates to thiol-ene curing compositions, which cure upon exposure to ultraviolet (UV) light and/or heat. The compositions include components having alkenyl (or “ene”) functionality and components having thiol functionality, which undergo thiol-ene curing. The compositions also include a cure system. More specifically, in some embodiments, the curable compositions include a vinyl polymer bearing alkenyl or thiol terminal functional group(s) and a cross-linking agent having the opposing functionality, i.e., thiol cross-linking agents with alkenyl-terminated vinyl polymers and vinyl cross-linking agents with thiol-terminated vinyl polymers. Also provided are methods of making and using the compositions, such as for sealants for in-place gasketing applications. | 08-07-2014 |
20140018487 | Adhesive Systems Using Imines and Salts Thereof, Precursors to Electron Deficient Olefins and Coreactants Therefor - This invention relates to adhesive systems using imines and salts thereof, precursors to electron deficient olefins and coreactants therefor. | 01-16-2014 |
20120322947 | TOUGHENED CYANOACRYLATE COMPOSITIONS - The present invention relates to toughened cyanoacrylate compositions. | 12-20-2012 |
20120248145 | DEVICE FOR EXPRESSING SUBSTANCES FROM A DEFORMABLE TUBE - A device for expressing a substance from a deformable tube is disclosed. The device comprises a casing having a base end, a top portion opposite the base end and side wall portions intermediate the base end and the top portion, and a squeezer insertable in the casing. The squeezer comprises two opposing jaws for gripping and expressing a substance from the tube, and the casing has an aperture in the top portion through which a discharge outlet of the tube is extendable. The casing also has apertures in opposing parts of the side wall portions through which the jaws are actuatable. The squeezer has a manual lever element on at least one jaw, with the lever element being attached to the jaw by a fulcrum in an arrangement wherein manual pressure applied to the lever element about the fulcrum causes flexing of the jaw. | 10-04-2012 |
20120231286 | ANAEROBICALLY CURABLE COMPOSITIONS - The present invention relates to anaerobically curable compositions containing a benzoxazine component and which demonstrates resistance to elevated temperature conditions and/or accelerated cure speed. | 09-13-2012 |
20120202091 | PHOSPHONATE BONDING COMPOSITIONS - The present invention provides for compounds comprising at least one phosphonate or phosphinate moiety; and at least one moiety selected from an aromatic nitroso or an aromatic nitroso precursor and combinations thereof. Adhesive compositions comprising the compounds may find utility in bonding polymers to metal and or hydroxylated surfaces such as glass. Suitable polymers include natural and synthetic rubbers. The aromatic nitroso precursor may be a nitrosobenzene precursor such as at least one of a quinone dioxime or a quinone oxime. | 08-09-2012 |
20120193029 | COMPOSITIONS FOR POLYMER BONDING - Compositions having a compound comprising at least one alkoxy silane moiety, and at least one moiety selected from a nitrosoaromatic or a nitrosoaromatic precursor and combinations thereof; and an aqueous or water containing carrier medium are provided for use in polymer bonding. The water may allow for substantial hydrolysis of the compound. Suitable polymers may have diene or allylic functionality within the polymer chain, for example an elastomer such as a natural or synthetic rubber. The polymers may be bonded to metals or substrates with hydroxylated surfaces such as glass. The nitrosobenzene precursor may be at least one of a quinone dioxime or a quinone oxime. | 08-02-2012 |
20120164904 | BONDING COMPOSITIONS - Methods for bonding polymeric substrates to hydroxylated surfaces such as glass are disclosed. The polymeric substrates may be elastomeric substrates such as a natural Or synthetic rubber. The method may comprise applying a compound comprising at least one alkoxy silane moiety and at least one moiety selected from a nitrosoaromatic or a nitrosoaromatic precursor to one of the substrates. The nitrosoaromatic moiety may be a nitrosobenzene. The nitrosoaromatic precursor may be a nitrosobenzene precursor, such as at least one of a quinone dioxime or a quinone oxime. Novel primers and compounds suitable for use in the bonding process are also disclosed. | 06-28-2012 |
20120157641 | CURE ACCELERATORS FOR ANAEROBIC CURABLE COMPOSITIONS - The present invention relates to cure accelerators useful for anaerobic curable compositions, such as adhesives and sealants. | 06-21-2012 |
20120129994 | CURE ACCELERATORS FOR ANAEROBIC CURABLE COMPOSITIONS - The present invention relates to cure accelerators useful for anaerobic curable compositions, such as adhesives and sealants. The cure accelerators are constructed as urethane/urea/thiourethane (meth)acrylate resins from diols and include a unit embraced within structure | 05-24-2012 |
20120006484 | ELASTOMER TO SUBSTRATE BONDING - Compositions comprising at least one oxidant or adhesion promoter, and at least one molecule selected from an aromatic nitroso compound or an aromatic nitroso compound precursor dinitrosobenzene precursor and combinations thereof are provided. At least one of the components is encapsulated. The compositions may find utility in polymer to metal, in particular, rubber to metal bonding. The aromatic nitroso compound or an aromatic nitroso compound precursor may be nitrosobenzene/dinitrosobenzene or nitrosobenzene/dinitrosobenzene precursor respectfully. The nitrosobenzene or dinitrosobenzene precursor may be at least one of a quinone oxime or a quinone dioxime. | 01-12-2012 |
20120003501 | OXIDISING AGENTS FOR ELASTOMER BONDING COMPOSITIONS - Compositions comprising at least one copper salt, and an aromatic nitroso compound precursor are provided. The copper salt may oxidise the aromatic nitroso compound precursor to provide an aromatic nitroso compound. The compositions may find utility in polymer to metal, in particular, rubber to metal bonding. The aromatic nitroso compound precursor may be a nitrosobenzene/dinitrosobenzene precursor. The nitrosobenzene or dinitrosobenzene precursor may be at least one of a quinone oxime or a quinone dioxime. | 01-05-2012 |
20110297318 | METAL-TO-POLYMER BONDING USING AN ADHESIVE BASED ON EPOXIDES - A process of bonding a metal substrate to a non-halogenated polymer, especially of bonding a polyolefin overcoat to a metallic tube or pipe, using an epoxy-based adhesive which comprises at least one salt of a metal ion M in an oxidation state of n which has a standard reduction potential E | 12-08-2011 |
20110290418 | HYDROGEN PEROXIDE COMPLEXES AND THEIR USE IN THE CURE SYSTEM OF ANAEROBIC ADHESIVES - Provided is a complex of hydrogen peroxide and at least one compound represented by Formula I: | 12-01-2011 |
20110265913 | THERMALLY DECOMPOSABLE POLYMER COATED METAL POWDERS - The present invention relates to polymer coated metal powders, such as metal powders used in the formation of solder alloys and pastes. The metal powders are coated with curable compositions of cyanoacrylates. The present invention relates to polymer coated metal powders, such as metal powders used in the formation of solder alloys and pastes. The metal powders are coated with curable compositions of cyanoacrylates, and once cured the coating on the metal powder is a cyanoacrylate polymer. | 11-03-2011 |
20110196092 | ACTIVATORS FOR TWO PART CYANOACRYLATE ADHESIVES - There is provided a cyanoacrylate composition comprising:
| 08-11-2011 |
20110151243 | TRANSFERABLE CURABLE NON-LIQUID FILM ON A RELEASE SUBSTRATE - The present invention relates to transferable curable non-liquid film on a release substrate, process for making same, bonding processes utilising same, assemblies comprising substrates bonded together using same and the cure product of said films. Pre-applied materials are also described. | 06-23-2011 |
20100234516 | NOVEL ADDUCTS AND CURABLE COMPOSITIONS USING SAME - The present invention relates to novel adducts useful for improving the toughness and curable compositions using such toughening adducts. In a particular aspect, the present invention relates to novel toughening adducts and curable compositions having improved fracture toughness using those toughening adducts. | 09-16-2010 |
20100210788 | ELECTRON DEFICIENT OLEFINS - This invention relates to novel electron deficient olefins, such as certain 2-cyanoacrylates and methylidene malonates, prepared using an imine or an iminium salt. | 08-19-2010 |
20100199888 | ACTIVATED METHYLENE REAGENTS AND CURABLE COMPOSITIONS PREPARED THEREFROM - This invention relates to novel compounds with ester linkage(s) capped with either electron deficient olefinic linkage(s) or group(s) or reactive functional groups (termed herein as “active methylene reagents”), and curable compositions prepared therefrom. | 08-12-2010 |
20100178520 | ADHESIVE BONDING SYSTEM HAVING ADHERENCE TO LOW ENERGY SURFACES - This invention relates to (meth)acrylate-based polymerizable compositions and adhesive systems prepared therefrom, which include a alkylated borohydride or tetraalkyl borane metal or ammonium salt and a polymerizable siloxane. The inventive compositions and adhesive systems are particularly well suited for bonding applications which involve at least one low energy bonding surface, for example, the polyolefins, polyethylene, and polypropylene. | 07-15-2010 |
20100152407 | NOVEL COMPOUNDS - Ketimines, enamines and oxazolidines are moisture labile functional groups that in the presence of water undergo hydrolysis to yield free amines. Within the art such latent amines have found utility in curable compositions where it is desirable to initiate cure in the presence moisture. A number of novel polyketimines, polyenamines, polymeric oxazolidines and oxazolidines are disclosed. In particular, polymeric compounds of the above classes derived from C | 06-17-2010 |
20100130655 | CURABLE EPOXY RESIN-BASED ADHESIVE COMPOSITIONS - This invention relates to compositions useful as adhesives and more particularly to epoxy-based adhesive compositions with improved impact resistance. | 05-27-2010 |
20090288771 | SURFACE-PROMOTED CURE OF ONE-PART RADICALLY CURABLE COMPOSITIONS - The present invention relates to radically curable compositions for curing on a surface comprising a radically curable component, and an initiator component capable of initiating cure of the radically curable component. The initiator comprises at least one metal salt and a free radical generating component. The metal salt of the composition is chosen so that it is reduced at the surface, where the standard reduction potential of the metal salt is greater than the standard reduction potential of the surface, and where when the composition is placed in contact with the surface, the metal salt is reduced at the surface, and interacts with the free radical generating component, thereby initiating cure of the radically curable component of the composition. No catalytic component is required in the composition for efficient curing. | 11-26-2009 |
20090288770 | SURFACE-PROMOTED CURE OF ONE-PART CATIONICALLY CURABLE COMPOSITIONS - The present invention relates to cationically curable compositions for curing on a surface comprising a cationically curable component, and an initiator component capable of initiating cure of the cationically curable component. The initiator comprises at least one metal salt, which is chosen so that it is reduced at the surface, and where the standard reduction potential of the initiator component is greater than the standard reduction potential of the surface, and where when the composition is placed in contact with the surface, the metal salt of the initiator component of the composition is reduced at the surface, thereby initiating cure of the cationically curable component of the composition. No catalytic component is required in the composition for efficient cure. | 11-26-2009 |
20090255594 | APPARATUS FOR THE APPLICATION OF A CURABLE COMPOSITION TO A FASTENER AND CURABLE COMPOSITIONS SUITABLE FOR APPLICATION TO A FASTENER - An apparatus ( | 10-15-2009 |
20090240003 | Adducts and Curable Compositions Using Same - The present invention relates to adducts useful for improving the toughness and curable compositions using such toughening adducts. In a particular aspect, the present invention relates to inventive toughening adducts and curable compositions having improved fracture toughness using those toughening adducts. | 09-24-2009 |
20090203934 | NOVEL IMINIUM SALTS AND METHODS OF PREPARING ELECTRON DEFICIENT OLEFINS USING SUCH NOVEL IMINIUM SALTS - This invention relates to novel iminium salts, which may be in the form of ionic liquids, and a process for producing electron deficient olefins, such as 2-cyanoacrylates, using such an iminium salt, for instance in the form of an ionic liquid. | 08-13-2009 |
20090050649 | Nozzle assembly incorporating a molded flow through brush application and a reusable break-off cap, a container having a nozzle assembly and packaging therefor - A nozzle assembly ( | 02-26-2009 |