Patents Assigned to Dymax Corporation
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Patent number: 11897978Abstract: In an aspect, a curable composition comprises an acid catalyzed urethane (meth)acrylate oligomer comprising an acid catalyst; a cyanoacrylate monomer; a metallocene compound; a free radical polymerization inhibitor; and an acidic anionic polymerization inhibitor. In yet another aspect, a method of making a cured composition comprises forming the curable composition; and curing the curable composition by exposing it to light to form the cured composition.Type: GrantFiled: March 24, 2021Date of Patent: February 13, 2024Assignee: DYMAX CORPORATIONInventors: Ahmet Nebioglu, Aysegul Kascatan Nebioglu, Sushanta Das, Keith Plimpton
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Patent number: 10174146Abstract: In some embodiments, the present invention is a method, comprising: a) mixing at least one polymerizable acrylic compound, a thermal initiator, a photoinitiator, and a peroxide to form a mixture, wherein the peroxide has a decomposition temperature; b) exposing the mixture to light for a sufficient first time to generate a first curing agent; and c) after exposing the mixture to light, exposing the mixture to a temperature below the decomposition temperature of the peroxide for a sufficient second time to generate a second curing agent.Type: GrantFiled: May 14, 2015Date of Patent: January 8, 2019Assignee: Dymax CorporationInventors: Michael A. Morin, Patrick Vaughn, Marufur Rahim
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Patent number: 9580621Abstract: A method for shielding a metal substrate surface during the application of heat to the surroundings of the substrate which comprises. A liquid maskant composition is formed which comprises: a) at least one of a polycarbonate urethane diacrylate oligomer, a polycarbonate urethane dimethacrylate oligomer, a polycarbonate caprolactone urethane diacrylate oligomer, or a polycarbonate caprolactone urethane dimethacrylate oligomer; b) a reactive diluent capable of free radical polymerization; and c) a photoinitiator capable of generating free radicals when exposed to actinic radiation. The maskant composition is applied onto a surface of the substrate. The maskant composition is then exposed to sufficient actinic radiation to polymerize or crosslink the composition into a dried maskant. In use the dried maskant is heated on the substrate to a temperature of from about 400° F. to about 600° F. for from about 20 minutes to about 30 minutes, and then the maskant is removed.Type: GrantFiled: September 9, 2013Date of Patent: February 28, 2017Assignee: Dymax CorporationInventors: Ahmet Nebioglu, Michael A. Morin, Christopher Alan Cayer, Marufur Rahim
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Patent number: 9394436Abstract: A method of preparing a flexible, substantially tack free gasket by forming a liquid composition which is a radiation polymerizable admixture of a free radical polymerizable urethane(meth)acrylate monomer, free radical polymerizable urethane(meth)acrylate oligomer, or combinations thereof; a free radical polymerizable diluent; a free radical polymerization photoinitiator; a wax; a thixotropic agent; and optionally an adhesion promoter and a colorant. The composition is distributed onto a substrate and then exposed to actinic radiation to cure the liquid composition into a flexible, substantially tack free gasket having a Shore A hardness of from about A20 to about A80.Type: GrantFiled: August 26, 2013Date of Patent: July 19, 2016Assignee: DYMAX CORPORATIONInventors: Aysegul Kascatan Nebioglu, Marufur Rahim
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Patent number: 9340704Abstract: A coating composition capable of curing to a high hardness by exposure to sunlight. More particularly, the coating composition comprises a high molecular weight polyurethane (meth)acrylate or methacrylate dissolved in one or more non-alcohol solvent, a visible light photoinitiator, and an alcohol solubilizer.Type: GrantFiled: April 8, 2014Date of Patent: May 17, 2016Assignee: Dymax CorporationInventors: Christopher Alan Cayer, James Aerykssen, Ahmet Nebioglu
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Patent number: 9315695Abstract: A dual curable, liquid adhesive composition capable of polymerization by exposure to actinic radiation and moisture. The composition is particularly useful for liquid adhesives for electronic applications. The composition comprises an alkoxysilane functional polyurethane acrylate oligomer; a free radical polymerizable reactive diluent; a free radical photoinitiator; a catalyst for moisture curing of silane groups; and an optional alkoxysilane functional oligomer having a polyolefin group; an optional acrylate or methacrylate functional polyurethane acrylate oligomer; an optional hydroxyl terminated monoacrylate or monomethacrylate functional reactive diluent; an optional UV-absorber and hindered amine light stabilizer antioxidant; an optional wax capable of reducing oxygen inhibition; an optional 1,3 dicarbonyl compound chelating agent; an optional thixotropic agent; and an optional adhesion promoter. optional adhesion promoter.Type: GrantFiled: June 26, 2014Date of Patent: April 19, 2016Assignee: DYMAX CORPORATIONInventors: Marufur Rahim, Aysegul Kascatan Nebioglu, Ahmet Nebioglu, Maria Fe Aton Audia
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Publication number: 20150376476Abstract: A dual curable, liquid adhesive composition capable of polymerization by exposure to actinic radiation and moisture. The composition is particularly useful for liquid adhesives for electronic applications. The composition comprises an alkoxysilane functional polyurethane acrylate oligomer; a free radical polymerizable reactive diluent; a free radical photoinitiator; a catalyst for moisture curing of silane groups; and an optional alkoxysilane functional oligomer having a polyolefin group; an optional acrylate or methacrylate functional polyurethane acrylate oligomer; an optional hydroxyl terminated monoacrylate or monomethacrylate functional reactive diluent; an optional UV-absorber and hindered amine light stabilizer antioxidant; an optional wax capable of reducing oxygen inhibition; an optional 1,3 dicarbonyl compound chelating agent; an optional thixotropic agent; and an optional adhesion promoter. optional adhesion promoter.Type: ApplicationFiled: June 26, 2014Publication date: December 31, 2015Applicant: Dymax CorporationInventors: Marufur Rahim, Aysegul Kascatan Nebioglu, Ahmet Nebioglu, Maria Fe Aton Audia
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Publication number: 20150284589Abstract: A coating composition capable of curing to a high hardness by exposure to sunlight. More particularly, the coating composition comprises a high molecular weight polyurethane (meth)acrylate or methacrylate dissolved in one or more non-alcohol solvent, a visible light photoinitiator, and an alcohol solubilizer.Type: ApplicationFiled: April 8, 2014Publication date: October 8, 2015Applicant: DYMAX CORPORATIONInventors: Christopher Alan Cayer, James Aerykssen, Ahmet Nebioglu
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Publication number: 20150099818Abstract: A two part composition comprising a Part A and a Part B, wherein Part A comprises an oligomer having both isocyanate and acrylate moieties, and an organic peroxide capable of generating free radicals upon decomposition; and Part B comprises a polyol, and a catalyst that can decompose the organic peroxide. In one form, the two part composition of a Part A and a Part B are in admixture. By combining Part A and Part B the isocyanate moieties react with the polyol to produce a combination of a urethane acrylate oligomer, organic peroxide and the catalyst. Then in either order, the combination is exposed to sufficient actinic radiation to polymerize at least a portion of the urethane acrylate oligomer; and the catalyst decomposes the organic peroxide thus generating free radicals, which free radicals polymerize at least a portion of the urethane acrylate oligomer.Type: ApplicationFiled: October 8, 2013Publication date: April 9, 2015Applicant: DYMAX CORPORATIONInventors: Marufur Rahim, Maria Fe Aton Audia
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Publication number: 20150072083Abstract: A method for shielding a metal substrate surface during the application of heat to the surroundings of the substrate which comprises. A liquid maskant composition is formed which comprises: a) at least one of a polycarbonate urethane diacrylate oligomer, a polycarbonate urethane dimethacrylate oligomer, a polycarbonate caprolactone urethane diacrylate oligomer, or a polycarbonate caprolactone urethane dimethacrylate oligomer; b) a reactive diluent capable of free radical polymerization; and c) a photoinitiator capable of generating free radicals when exposed to actinic radiation. The maskant composition is applied onto a surface of the substrate. The maskant composition is then exposed to sufficient actinic radiation to polymerize or crosslink the composition into a dried maskant. In use the dried maskant is heated on the substrate to a temperature of from about 400° F. to about 600° F. for from about 20 minutes to about 30 minutes, and then the maskant is removed.Type: ApplicationFiled: September 9, 2013Publication date: March 12, 2015Applicant: DYMAX CORPORATIONInventors: Ahmet Nebioglu, Michael A. Morin, Christopher Alan Cayer, Marufur Rahim
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Publication number: 20150056455Abstract: A method of preparing a flexible, substantially tack free gasket by forming a liquid composition which is a radiation polymerizable admixture of a free radical polymerizable urethane(meth)acrylate monomer, free radical polymerizable urethane(meth)acrylate oligomer, or combinations thereof; a free radical polymerizable diluent; a free radical polymerization photoinitiator; a wax; a thixotropic agent; and optionally an adhesion promoter and a colorant. The composition is distributed onto a substrate and then exposed to actinic radiation to cure the liquid composition into a flexible, substantially tack free gasket having a Shore A hardness of from about A20 to about A80.Type: ApplicationFiled: August 26, 2013Publication date: February 26, 2015Applicant: DYMAX CORPORATIONInventors: AYSEGUL KASCATAN NEBIOGLU, MARUFUR RAHIM
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Patent number: 8134132Abstract: A device and method for exposing light sensitive substrates to a concentrated light source. The device is suitable for curing substances such as photosensitive sensitive inks, adhesives, and photographic elements. Ultraviolet or visible light is emitted from an array of LED's, and then directed by an array of light guides to a light concentrator having a light input region along its length. The light is then concentrated and emitted from a light output region along the length of the light concentrator to a photosensitive target to be exposed.Type: GrantFiled: April 28, 2010Date of Patent: March 13, 2012Assignee: Dymax CorporationInventors: Kirk A. Middlemass, Todd J. Hallock, James E. Swope, Gary A. Zubricky
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Patent number: 8052829Abstract: The invention relates to photopolymerizable compositions containing an oxonol dye, which compositions cure by exposure to ultraviolet and/or visible radiation and whose visible color is substantially reduced during exposure. More particularly, the invention pertains to photopolymerizable compositions comprising a pyridin-2,6-dione oxonol dye in an admixture of a polymerizable component and a photopolymerization initiator. Such compositions find use as adhesives, coatings, and the like. The disappearance of the visible color of the oxonol dye acts as an indicator of full cure of a photopolymerizable composition.Type: GrantFiled: October 26, 2007Date of Patent: November 8, 2011Assignee: Dymax CorporationInventors: Stephan J. W. Platzer, Patrick S. Vaughn
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Patent number: 7892386Abstract: The invention provides fluorescing compositions which cure by exposure to ultraviolet radiation and contain a europium compound which fluoresces at visible wavelengths. More particularly, the invention pertains to liquid, radiation-curable compositions comprising a substantially homogeneous fluid comprising, a fluorescing europium compound in an admixture of a polymerizable component and a polymerization initiator. Such find use as adhesives, coatings, and the like.Type: GrantFiled: August 24, 2007Date of Patent: February 22, 2011Assignee: Dymax CorporationInventors: Stephan J. W. Platzer, Patrick S. Vaughn, Aysegul Kascatan Nebioglu
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Patent number: 7802910Abstract: The invention provides a light guide exposure device comprising light emitting diodes arranged in a single array defining an array width and a flexible light guide having a proximal end and a distal end; the proximal end defining a proximal end diameter. The array is positioned in substantial alignment with the light guide proximal end to direct substantially all of the light from the array to the proximal end. There is no optical element between the light emitting diodes and the proximal end which optical element would decrease the intensity of light directed from the light emitting diodes to the proximal end. The array width is substantially equal to the proximal end diameter.Type: GrantFiled: January 29, 2008Date of Patent: September 28, 2010Assignee: Dymax CorporationInventors: Kirk A. Middlemass, Stephan J. W. Platzer, George H. Lester, Todd J. Hallock
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Patent number: 7691557Abstract: A polymerizable acrylate or epoxy composition includes a dye comprised of a conjugated system containing a chromophore that is subject to effective decoupling, by a reactive alkylating species generated by the polymerization initiator, to produce a permanent loss of color and thereby to indicate that curing has occurred.Type: GrantFiled: June 29, 2005Date of Patent: April 6, 2010Assignee: Dymax CorporationInventors: Andrew G. Bachmann, Stephen E. Cantor, Igor V. Khudyakov
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Patent number: 7671543Abstract: The invention provides a light exposure apparatus containing a light exposure control device for curing light sensitive adhesives. The light exposure apparatus includes a) a light source; b) a light transmitter for transmitting light from the light source; and c) a light intensity controlling component between the light source and the light transmitter. The light intensity controlling component includes a light regulator having a planar face between the light source and the light transmitter. The light regulator has opaque members having a continuously tapered width, on the face of the light regulator. Each planar member is spaced from adjacent planar members by a light transparent segment having a tapered width, on the face of the light regulator. The light regulator is mounted such that a portion of the opaque members and portion of the substantially light transparent segments are adjustably positioned between the light source and the light transmitter.Type: GrantFiled: January 23, 2007Date of Patent: March 2, 2010Assignee: Dymax CorporationInventors: George H. Lester, Thomas J. Cavanaugh, Kirk A. Middlemass, Stephan J. W. Platzer
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Patent number: 7001930Abstract: A non-aqueous, solvent-free formulation for producing clear, transparent, heat-resistant elements, suitable for use as lenses in optoelectronic devices, consists essentially of an acidic, nonpolymerizing acrylic resin; THFA, DMA, HEMA, HBA, or an equivalent polymerizable diluent in which the acrylic resin is dissolved; and a free-radical photoinitiator.Type: GrantFiled: January 14, 2003Date of Patent: February 21, 2006Assignee: Dymax CorporationInventors: John R. Arnold, Maria Fe Aton Audia
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Patent number: 6765037Abstract: A free radical-curable epoxy composition comprises epoxy resin and a copolymerizable material including a monomer having amide, acrylamide, or hydroxyl functionality, and is advantageously devoid of any cationic catalyst ingredient.Type: GrantFiled: November 28, 2001Date of Patent: July 20, 2004Assignee: Dymax CorporationInventor: John R. Arnold
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Patent number: 6664307Abstract: Low-shrinkage positioning formulations include, in addition to the resin-forming composition, a filler comprised of fibrous and spherical elements, usually of glass, present in a defined ratio and amount. The resin formulation may desirably comprise epoxy resin and a copolymerizable monomer having amide, acrylamide, or hydroxyl functionality, and may advantageously be devoid of any cationic catalyst ingredient.Type: GrantFiled: November 28, 2001Date of Patent: December 16, 2003Assignee: Dymax CorporationInventors: John R. Arnold, Nicole M. Langer