Patent application number | Description | Published |
20080220264 | FLUOROCHEMICAL COMPOUNDS HAVING PENDENT SILYL GROUPS - Fluorochemical silane compounds and coating compositions derived therefrom are described. The compounds and compositions may be used in treating substrates, in particular substrates having a hard surface such as ceramics or glass, to render them water, oil, stain, and soil repellent. | 09-11-2008 |
20080315459 | ARTICLES AND METHODS FOR REPLICATION OF MICROSTRUCTURES AND NANOFEATURES - An article is provided that includes a mold comprising a pattern, a metal-containing layer in contact with the pattern, and a release agent that includes a functionalized perfluoropolyether bonded to the metal-containing layer. Also provided is a method of replication that includes the mold. | 12-25-2008 |
20090025727 | RESPIRATOR, WELDING HELMET, OR FACE SHIELD THAT HAS LOW SURFACE ENERGY HARD-COAT LENS - A personal safety protective device that includes a lens and a support structure onto which the lens is secured. The lens includes a substrate and a hard-coat layer located on the substrate of the lens. The hard-coat layer has a low surface energy outer surface that is derived from a) an additive that includes at least one of i) a perfluoropolyether urethane that includes hydrolysable silane groups, and ii) an acrylate polymer that includes at least one perfluoropolyether moiety and at least one hydrolysable silane group, and b) a silsesquioxane-based hard-coat composition. The provision of such a lens on a personal safety protective device enables the lens to be durable to abrasion and to be easily cleaned without use of solvents that could shorten the service life of the lens. | 01-29-2009 |
20100055470 | POLYMERIZABLE COMPOSITION COMPRISING PERFLUOROPOLYETHER MATERIAL HAVING ETHYLENE OXIDE REPEAT UNIT SEGMENT - Presently described are optical substrates having a surface layer and optical displays comprising such optical substrates. The surface layer comprises the reaction product of a polymerizable mixture comprising at least one perfluoropolyether material comprising at least two free-radically polymerizable groups and at least one segment with greater than 6 ethylene oxide repeat units; and at least one non-fluorinated binder precursor comprising at least two free-radically polymerizable groups. | 03-04-2010 |
20100084343 | SYSTEM AND PROCESS FOR THE REMOVAL OF FLUOROCHEMICALS FROM WATER - Systems and processes for the removal of fluorochemicals from water are provided. Systems according to the invention include a vessel containing the ion exchange resin, the ion exchange resin including an insoluble matrix having functional groups bonded to the matrix, the functional groups being amines of the formula: N(R | 04-08-2010 |
20100105828 | FLUOROCHEMICAL URETHANE COMPOUNDS HAVING PENDENT SILYL GROUPS - Fluorochemical urethane compounds and coating compositions derived therefrom are described. The compounds and compositions may be used in treating substrates, in particular substrates having a hard surface such as ceramics or glass, to render them water, oil, stain, and soil repellent. | 04-29-2010 |
20100136265 | ANTISTATIC OPTICALLY CLEAR PRESSURE SENSITIVE ADHESIVE - Provided is an optically clear display-grade adhesive comprising (a) a crosslinked acrylic pressure sensitive adhesive, (b) an organic-soluble and dissociable salt, and optionally (c) a non-hydrophilic plasticizer, wherein the adhesive is electrostatically dissipative transmissive to visible light with low haze. Also provided are with methods of making and using the same. | 06-03-2010 |
20100160595 | PERFLUOROPOLYETHER URETHANE ADDITIVES HAVING (METH)ACRYL GROUPS AND HARD COATS - Fluorocarbon- and urethane-(meth)acryl-containing additives and hardcoats. The hardcoats are particularly useful as a surface layer on an optical device. | 06-24-2010 |
20100173093 | FLUORO(METH)ACRYLATE POLYMER COMPOSITION SUITABLE FOR LOW INDEX LAYER OF ANTIREFLECTIVE FILM - Antireflective film articles and low refractive index coating compositions are described that comprises a fluorinated free-radically polymerizable polymeric (e.g. intermediate) material. The free-radically polymerizable fluorinated polymeric intermediate comprises the reaction product of i) at least one multi-functional free-radically polymerizable material having a fluorine content of at least 25 wt-%, and ii) optionally other multi-functional free-radically polymerizable material. The total amount of multi-functional materials is preferably at least about 25 wt-%. | 07-08-2010 |
20100189970 | SELF-ASSEMBLING ANTIREFLECTIVE COATING COMPRISING SURFACE MODIFIED HIGH REFRACTIVE INDEX NANOPARTICLES - Presently described are self-assembling antireflective (“AR”) coating compositions comprising high refractive index surface modified nanoparticles. Also described are various articles such as protective films, optical displays, and windows, comprising such (e.g. dried and cured) AR coating. | 07-29-2010 |
20100219367 | CATIONIC FLUORINATED ETHER SILANE COMPOSITIONS AND RELATED METHODS - Compositions comprising cationic compounds having fluorinated ether groups and silane groups are provided, the compounds having the formula (I). | 09-02-2010 |
20100221967 | COMPOSITIONS COMPRISING CATIONIC FLUORINATED ETHER SILANES, AND RELATED METHODS - Compositions comprising cationic compounds having fluorinated ether groups and hydrolyzable silane groups are provided, the compounds having the formula: (I) | 09-02-2010 |
20100232021 | DURABLE ANTIREFLECTIVE FILM - Antireflective films are described having a surface layer comprising a the reaction product of a polymerizable low refractive index composition comprising at least one fluorinated free-radically polymerizable material and surface modified inorganic nanoparticles. A high refractive index layer is coupled to the low refractive index layer. In one embodiment, the high refractive index layer comprises surface modified inorganic nanoparticles dispersed in a crosslinked organic material. The antireflective film is preferably durable, exhibiting a haze of less than 1.0% after 25 wipes with steel wool using a 3.2 cm mandrel and a mass of 1000 grams. | 09-16-2010 |
20100310875 | HARDCOATS COMPRISING PERFLUOROPOLYETHER POLYMERS WITH POLY(ALKYLENE OXIDE) REPEAT UNITS - Presently described are articles, such as optical displays and protective films, comprising a (e.g. light transmissive) substrate having a surface layer comprising the reaction product of a mixture comprising a non-fluorinated binder precursor (e.g. of a hardcoat composition) and at least one polymerizable perfluoropolyether polymer. The resulting cured surface layer can advantageously exhibit low lint attraction in combination with low surface energy. Also described are one-step and two-step methods of synthesizing perfluoropolyether polymers having polymerizable ethylenically unsaturated groups. | 12-09-2010 |
20100331487 | SURFACE TREATMENT PROCESS AND TREATED ARTICLE - A surface treatment process comprises (a) providing at least one substrate having at least one major surface; (b) combining (1) at least one curable oligomeric or polymeric polysilazane comprising at least one chemically reactive site, and (2) at least one fluorochemical compound comprising (i) at least one organofluorine or heteroorganofluorine moiety that comprises at least about six perfluorinated carbon atoms, and (ii) at least one functional group that is capable of reacting with the polysilazane through at least one of the chemically reactive sites; (c) allowing or inducing the polysilazane and the fluorochemical compound to react to form at least one curable organofluorine-modified polysilazane; (d) applying the curable organofluorine-modified polysilazane or its precursors to at least a portion of at least one major surface of the substrate; and (e) curing the curable organofluorine-modified polysilazane to form a surface treatment. | 12-30-2010 |
20100331498 | COMPOSITION AND PROCESS FOR PREPARING CURABLE ORGANOFLUORINE-MODIFIED POLYSILAZANES, AND POLYSILAZANES PREPARED THEREBY - A composition for preparing curable organofluorine-modified polysilazanes comprises
| 12-30-2010 |
20110045270 | CATIONIC POLYMERIC FLUORINATED ETHER SILANE COMPOSITIONS AND METHODS OF USE - A composition comprises a polymer having a first pendant group selected from at least one perfluorinated ether group or perfluoroalkanesulfonamido group, a second pendant group comprising an ammonium group, wherein the second pendant group is free of silicon, and a third pendant group comprising an ammonium group and a reactive silicon-containing group. The polymer and composition are useful for protecting a substrate, for example, to render the substrate oil repellent, water repellent, or both, or to provide stain repellency to the substrate. | 02-24-2011 |
20110045271 | CATIONIC POLYMERIC FLUORINATED ETHER SILANE COMPOSITIONS AND METHODS OF USE - A polymer is provided comprising a first pendant group selected from at least one of a perfluorinated ether group or a perfluoroalkanesulfonamido group, a second pendant group comprising an ammonium group, wherein the second pendant group is free of silicon, and a third pendant group comprising an ammonium group and a reactive siliconcontaining group. A composition comprising the polymer is provided. The polymer and composition are useful for protecting a substrate, for example, to render the substrate oil repellent, water repellent, or both, or to provide stain repellency to the substrate. | 02-24-2011 |
20110086221 | HARDCOATS HAVING LOW SURFACE ENERGY AND LOW LINT ATTRACTION - Articles such as optical displays and protective films, comprising a (e.g. light transmissive) substrate having a surface layer comprising the reaction product of a mixture comprising a hydrocarbon-based hardcoat composition and at least one perfluoropolyether urethane additive. The surface layer exhibits low lint attraction in combination with high contact angles. Hardcoat coating compositions comprising a perfluoropolyether urethane additive and a silicone(meth)acrylate additive are also described. | 04-14-2011 |
20110117176 | HYDROPHILIC POLYPROPYLENE FIBERS HAVING ANTIMICROBIAL ACTIVITY - Polypropylene fibers and devices that include a fatty acid monoglyceride added to the polypropylene as a melt additive are described. A hydrophilic enhancer material can be advantageously added to the polypropylene as a melt additive to enhance the hydrophilicity of the fibers and devices. An antimicrobial enhancer material can be added to the fibers to enhance the antimicrobial activity. | 05-19-2011 |
20120077886 | HYDROPHILIC POLYPROYLENE MELT ADDITIVES - Melt additive ionic and non-ionic surfactants to impart stable durable hydrophilicity to thermoplastic polymers or blends thereof. | 03-29-2012 |
20120101184 | COMPOSITIONS AND ARTICLES COMPRISING POLYMERIZABLE IONIC LIQUID MIXTURE, AND METHODS OF CURING - Presently described are curable compositions comprising a mixture of at least one (e.g. free-radically) polymerizable ionic liquid and at least one other ethylenically unsaturated monomer, oligomer, or polymer. The polymerizable ionic liquid is characterized as having an air to nitrogen curing exotherm ratio of at least 0.70. Also described are articles and methods of making articles from such curable compositions. A monofunctional polymerizable ionic liquid is also described comprising a non-polymerizable substituted imidazolium cationic group and a polymerizable sulfonate anion. | 04-26-2012 |
20120135210 | DURABLE ANTIREFLECTIVE FILM - Antireflective films are described having a surface layer comprising a the reaction product of a polymerizable low refractive index composition comprising at least one free-radically polymerizable fluoropolymer and surface modified inorganic nanoparticles. A high refractive index layer is coupled to the low refractive index layer. In one embodiment, the high refractive index layer comprises surface modified inorganic nanoparticles dispersed in a crosslinked organic material. The antireflective film is preferably durable, exhibiting a haze of less than 1.0% after 25 wipes with steel wool using a 3.2 cm mandrel and a mass of 1000 grams. | 05-31-2012 |
20120142856 | POLYMERIZABLE COMPOSITION COMPRISING PERFLUOROPOLYETHER MATERIAL HAVING ETHYLENE OXIDE REPEAT UNIT SEGMENT - Presently is described a free-radically polymerizable composition comprising a mixture of reaction products of i) at least one polyisocyanate; ii) at least one isocyanate reactive perfluoropolyether compound; iii) at least one isocyanate reactive compound comprising greater than 6 repeat units of ethylene oxide; and iv) at least one isocyanate reactive non-fluorinated crosslinker comprising at least two free-radically polymerizable groups. | 06-07-2012 |
20120142883 | PERFLUOROPOLYETHER URETHANE ADDITIVES HAVING (METH)ACRYL GROUPS AND HARD COATS - Fluorocarbon- and urethane-(meth)acryl-containing additives and hardcoats. The hardcoats are particularly useful as a surface layer on an optical device. | 06-07-2012 |
20120149800 | POLYMERIZABLE IONIC LIQUID COMPRISING MULTIFUNCTIONAL CATION AND ANTISTATIC COATINGS - A multifunctional polymerizable ionic liquid is described comprising an anion and a cationic group having at least two ethylenically unsaturated polymerizable groups, each bonded to the cationic group via a divalent non-alkyl linking group. The multifunctional linking groups independently comprise a heteroatom such as oxygen or nitrogen. The linking groups may independently comprise one or more linkages such as an amide, urea, or ether linkage and more typically a urethane or ester linkage. The ethylenically unsaturated polymerizable groups are typically (meth)acrylate groups. Coatings and coated articles are also described. | 06-14-2012 |
20120154811 | COATING COMPOSITIONS COMPRISING NON-IONIC SURFACTANT EXHIBITING REDUCED FINGERPRINT VISIBILITY - Presently described are coating compositions comprising a polymerizable resin composition and a non-ionic unpolymerizable surfactant. In some embodiments, the coating comprises greater than 10 wt-% of non-ionic unpolymerizable surfactant. In other embodiments, the coating composition comprises an an additive comprising a silicone group or a fluorinated group and a hydrophobic group. Also described are articles comprising the cured coating compositions. In one embodiment, an article is described comprising a cured coating wherein the cured coating exhibits a property of an initially visible simulated fingerprint reducing in visibility in 1-20 minutes. Also described is a method of determining the fingerprint visibility of a coating composition and a polyacylate composition useful as an additive. In another embodiment a coated surface is described comprising a polymeric organic material comprising a plurality of pores wherein a portion of the pores are interconnected and comprise a lipophilic liquid. | 06-21-2012 |
20120225301 | OPTICAL DEVICE WITH ANTISTATIC COATING - Optical devices comprising at least one optical layer and at least one antistatic layer disposed on at least one surface of the optical layer wherein the antistatic layer comprises the reaction product of: (a) at least one polymerizable onium salt; and (b) at least one polymerizable, non-onium, silicone or perfluoropolyether moiety-containing monomer, oligomer, or polymer. | 09-06-2012 |
20120270980 | COATING COMPOSITIONS COMPRISING NON-IONIC SURFACTANT EXHIBITING REDUCED FINGERPRINT VISIBILITY - Presently described are coating compositions comprising a polymerizable resin composition and a non-ionic unpolymerizable surfactant. In some embodiments, the coating comprises greater than 10 wt-% of non-ionic unpolymerizable surfactant. In other embodiments, the coating composition comprises an an additive comprising a silicone group or a fluorinated group and a hydrophobic group. Also described are articles comprising the cured coating compositions. In one embodiment, an article is described comprising a cured coating wherein the cured coating exhibits a property of an initially visible simulated fingerprint reducing in visibility in 1-20 minutes. Also described is a method of determining the fingerprint visibility of a coating composition and a polyacylate composition useful as an additive. In another embodiment a coated surface is described comprising a polymeric organic material comprising a plurality of pores wherein a portion of the pores are interconnected and comprise a lipophilic liquid. | 10-25-2012 |
20120288675 | OPTICAL DEVICE WITH ANTISTATIC PROPERTY - An optical device having a first optical member, a second optical member, and an antistatic layer disposed between the first optical member and the second optical member wherein the antistatic layer contains the reaction product of a mixture comprising at least one polymerizable onium salt having an anion and at least one non-onium polymerizable monomer, oligomer, or polymer. | 11-15-2012 |
20130004773 | POLYMERIZABLE COMPOSITION COMPRISING PERFLUOROPOLYETHER MATERIAL HAVING ETHYLENE OXIDE REPEAT UNIT SEGMENT - Presently is described a free-radically polymerizable composition comprising a mixture of reaction products of i) at least one polyisocyanate; ii) at least one isocyanate reactive perfluoropolyether compound; iii) at least one isocyanate reactive compound comprising greater than 6 repeat units of ethylene oxide; and iv) at least one isocyanate reactive non-fluorinated crosslinker comprising at least two free-radically polymerizable groups. | 01-03-2013 |
20130088782 | DURABLE ANTIREFLECTIVE FILM - Antireflective films are described having a surface layer comprising a the reaction product of a polymerizable low refractive index composition comprising at least one free-radically polymerizable fluoropolymer and surface modified inorganic nanoparticles. A high refractive index layer is coupled to the low refractive index layer. In one embodiment, the high refractive index layer comprises surface modified inorganic nanoparticles dispersed in a crosslinked organic material. The antireflective film is preferably durable, exhibiting a haze of less than 1.0% after 25 wipes with steel wool using a 3.2 cm mandrel and a mass of 1000 grams. | 04-11-2013 |
20130102747 | CATIONIC POLYMERIC FLUORINATED ETHER SILANE COMPOSITIONS AND METHODS OF USE - A polymer is provided comprising a first pendant group selected from at least one of a perfluorinated ether group or a perfluoroalkanesulfonamido group, a second pendant group comprising an ammonium group, wherein the second pendant group is free of silicon, and a third pendant group comprising an ammonium group and a reactive silicon-containing group. A composition comprising the polymer is provided. The polymer and composition are useful for protecting a substrate, for example, to render the substrate oil repellent, water repellent, or both, or to provide stain repellency to the substrate. | 04-25-2013 |
20130150543 | CATIONIC POLYMERIC FLUORINATED ETHER SILANE COMPOSITIONS AND METHODS OF USE - A composition comprises a polymer having a first pendant group selected from at least one perfluorinated ether group or perfluoroalkanesulfonamido group, a second pendant group comprising an ammonium group, wherein the second pendant group is free of silicon, and a third pendant group comprising an ammonium group and a reactive silicon-containing group. The polymer and composition are useful for protecting a substrate, for example, to render the substrate oil repellent, water repellent, or both, or to provide stain repellency to the substrate. | 06-13-2013 |
20130261280 | PERFLUOROPOLYETHER URETHANE ADDITIVES HAVING (METH)ACRYL GROUPS AND HARD COATS - Fluorocarbon- and urethane-(meth)acryl-containing additives and hardcoats. The hardcoats are particularly useful as a surface layer on an optical device. | 10-03-2013 |
20130302627 | VAPOR-DEPOSITED COATING FOR BARRIER FILMS AND METHODS OF MAKING AND USING THE SAME - A barrier film including a substrate, a base polymer layer applied on a major surface of the substrate, an oxide layer applied on the base polymer layer, and a protective polymer layer applied on the oxide layer. The protective polymer layer is formed as the reaction product of a first (meth)acryloyl compound and a (meth)acryl-silane compound derived from a Michael reaction between a second (meth)acryloyl compound and an aminosilane. The first and second (meth)acryloyl compounds may be the same. In some embodiments, a multiplicity of alternating layers of the oxide layer and the protective polymer layer may be used. An oxide layer can be applied over the top protective polymer layer. The barrier films provide, in some embodiments, enhanced resistance to moisture and improved peel strength adhesion of the protective polymer layer(s) to the underlying layers. A process of making, and methods of using the barrier film are also described. | 11-14-2013 |
20130323519 | COATINGS FOR BARRIER FILMS AND METHODS OF MAKING AND USING THE SAME - A barrier film including a substrate, a base (co)polymer layer applied on a major surface of the substrate, an oxide layer applied on the base (co)polymer layer, and a protective (co)polymer layer applied on the oxide layer. The protective (co)polymer layer is formed as the reaction product of a first (meth)acryloyl compound and a (meth)acryl-silane compound derived from a Michael reaction between a second (meth)acryloyl compound and an aminosilane. The first and second (meth)acryloyl compounds may be the same. In some embodiments, a multiplicity of alternating layers of the oxide layer and the protective (co)polymer layer may be used. An oxide layer can be applied over the top protective (co)polymer layer. The barrier films provide, in some embodiments, enhanced resistance to moisture and improved peel strength adhesion of the protective (co)polymer layer(s) to the underlying layers. A process of making, and methods of using the barrier film are also described. | 12-05-2013 |
20140094580 | HARDCOATS COMPRISING PERFLUOROPOLYETHER POLYMERS WITH POLY(ALKYLENE OXIDE) REPEAT UNITS - Presently described are articles, such as optical displays and protective films, comprising a (e.g. light transmissive) substrate having a surface layer comprising the reaction product of a mixture comprising a non-fluorinated binder precursor (e.g. of a hardcoat composition) and at least one polymerizable perfluoropolyether polymer. The resulting cured surface layer can advantageously exhibit low lint attraction in combination with low surface energy. Also described are one-step and two-step methods of synthesizing perfluoropolyether polymers having polymerizable ethylenically unsaturated groups. | 04-03-2014 |
20140212651 | COATING COMPOSITIONS COMPRISING NON-IONIC SURFACTANT EXHIBITING REDUCED FINGERPRINT VISIBILITY - Presently described are coating compositions comprising a polymerizable resin composition and a non-ionic unpolymerizable surfactant. In some embodiments, the coating comprises greater than 10 wt-% of non-ionic unpolymerizable surfactant. In other embodiments, the coating composition comprises an an additive comprising a silicone group or a fluorinated group and a hydrophobic group. Also described are articles comprising the cured coating compositions. In one embodiment, an article is described comprising a cured coating wherein the cured coating exhibits a property of an initially visible simulated fingerprint reducing in visibility in 1-20 minutes. Also described is a method of determining the fingerprint visibility of a coating composition and a polyacylate composition useful as an additive. In another embodiment a coated surface is described comprising a polymeric organic material comprising a plurality of pores wherein a portion of the pores are interconnected and comprise a lipophilic liquid. | 07-31-2014 |
20140213726 | POLYMERIZABLE IONIC LIQUID COMPRISING MULTIFUNCTIONAL CATION AND ANTISTATIC COATINGS - A multifunctional polymerizable ionic liquid is described comprising an anion and a cationic group having at least two ethylenically unsaturated polymerizable groups, each bonded to the cationic group via a divalent non-alkyl linking group. The multifunctional linking groups independently comprise a heteroatom such as oxygen or nitrogen. The linking groups may independently comprise one or more linkages such as an amide, urea, and more typically a urethane or ester linkage. The ethylenically unsaturated polymerizable groups are typically (meth)acrylate groups. Coatings and coated articles are also described. | 07-31-2014 |
20140221689 | PERFLUOROPOLYETHER URETHANE ADDITIVES HAVING (METH)ACRYL GROUPS AND HARD COATS - Fluorocarbon- and urethane-(meth)acryl-containing additives and hardcoats. The hardcoats are particularly useful as a surface layer on an optical device. | 08-07-2014 |
20140322550 | COMPOSITIONS AND ARTICLES COMPRISING POLYMERIZABLE IONIC LIQUID MIXTURE, AND METHODS OF CURING - Presently described are curable compositions comprising a mixture of at least one (e.g. free-radically) polymerizable ionic liquid and at least one other ethylenically unsaturated monomer, oligomer, or polymer. The polymerizable ionic liquid is characterized as having an air to nitrogen curing exotherm ratio of at least 0.70. Also described are articles and methods of making articles from such curable compositions. A monofunctional polymerizable ionic liquid is also described comprising a non-polymerizable substituted imidazolium cationic group and a polymerizable sulfonate anion. | 10-30-2014 |