Class / Patent application number | Description | Number of patent applications / Date published |
522148000 | Processes of treating a solid polymer or SICP derived from silicon containing reactant; or compositions therefore | 15 |
20090105362 | Reinforced silicone resin film and method of preparing same - A method of preparing a reinforced silicone resin film, the method comprising the steps of impregnating a fiber reinforcement in a hydrosilylation-curable silicone composition comprising a silicone resin and a photoactivated hydrosilylation catalyst; and exposing the impregnated fiber reinforcement to radiation having a wavelength of from 150 to 800 nm at a dosage sufficient to cure the silicone resin; wherein the reinforced silicone resin film comprises from 10 to 99% (w/w) of the cured silicone resin and the film has a thickness of from 15 to 500 μm; and a reinforced silicone resin film prepared according to the method. | 04-23-2009 |
20090143496 | CROSSLINKABLE SILOXANE-UREA COPOLYMERS - Siloxane/urea copolymers contain pendant unsaturated groups crosslinkable by actinic radiation. The copolymers are suitable for use as non-creeping hotmelt adhesives and for other uses as well. | 06-04-2009 |
20090149565 | Method for Making High Performance Mixed Matrix Membranes - The present invention discloses method for making defect-free high performance mixed matrix membranes (MMMs) containing a continuous polymer matrix and dispersed molecular sieves such as AlPO-14 or UZM-5. These MMMs can be used for separations. The novel method for making defect-free high performance MMMs comprises: post treating the MMM at a temperature ≧150° C. This new method results in a MMM with either no macrovoids or voids of less than 5 angstroms at the interface of the continuous polymer matrix and the molecular sieves. The MMMs are in the form of symmetric dense film, thin-film composite (TFC), asymmetric flat sheet or asymmetric hollow fiber. These MMMs have good flexibility and high mechanical strength, and exhibit high carbon dioxide/methane (CO | 06-11-2009 |
20090318580 | Ink Composition - An ultraviolet hardenable ink composition excelling in the wetting characteristic (repellence prevention) of ink having impacted a recording medium. There is provided an ultraviolet hardenable ink composition characterized by containing a polyester-modified polydimethylsiloxane as a surfactant in an amount of 0.01 to 1% based on the ultraviolet hardenable ink. Preferably, at least allyl glycol and/or a N-vinyl compound is contained as a polymerizable compound. Incorporation of the polyester-modified polydimethylsiloxane in the surfactant has realized enhancing of the wetting characteristic on all nonabsorptive material surfaces and avoiding of ink repellence. | 12-24-2009 |
20090318581 | HARDENABLE COMPOSITION AND OPTICAL MEMBER MAKING USE OF THE SAME - A hardenable composition which comprises (1) a radical polymerizable monomer, (2) an organosilicon compound having epoxy group at one end, (3) an organosilicon compound having a radical polymerizable functional group at one end, (4) an amine compound, (5) a photochromic compound and (6) a photopolymerization initiator, wherein the compound of component (2) is a compound having silanol group or a group which forms silanol group by hydrolysis, and the compound of component (3) is a compound having silanol group or a group which forms silanol group by hydrolysis; and an optical member which comprises a photochromic coating layer formed by coating an optical substrate with the hardenable composition described above and hardening the composition. The photochromic coating layer in the optical member exhibits excellent adhesion with the optical substrate and a great strength of the film. | 12-24-2009 |
20100069523 | Dual Curing Polymers and Methods for Their Preparation and Use - A polymer cures by both radiation and moisture curing mechanisms. The polymer is prepared by hydrosilylation. The polymer is useful in adhesive compositions. The polymer includes units of formulae (I), (R | 03-18-2010 |
20100144916 | COMPOSITIONS HAVING IMPROVED TRIBOLOGICAL PROPERTIES, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME - Disclosed herein is a composition comprising a crosslinked organic polymer; wherein the composition has a coefficient of friction that is in a range of ±30% of a coefficient of friction for a composition comprising the same organic polymer that is not crosslinked; and wherein the composition has a lower K factor than a K factor of the composition comprising the same organic polymer that is not crosslinked; the coefficient of friction and the K factor being measured in a thrust washer apparatus as per ASTM D-3702, where the counter stationary surface in the thrust washer apparatus comprises carbon steel having a Rockwell C hardness of 18 to 22 and a 12 to 16 micro-inch surface finish. | 06-10-2010 |
20110046257 | UV-CURABLE LOW SURFACE ENERGY COATINGS - The invention provides an improved unsaturated polyester prepared from the polycondensation of unsaturated diacid monomers or unsaturated acid anhydride mononers and polyol monomers and. optionally, one or more saturated aliphatic or aromatic diacid monomers or anhydride monomers thereof. The improvement comprises 0.5 to 50 weight percent, based on the total monomer weight, of an hydroxyalkyl-functional siloxane of formula (1) below. The invention also relates to a UV curable coating formulation containing a siloxane-functional unsaturated polyester resin, a vinyl ether functional diluents and a photoinitiator. The invention further provides a method of preparing an article with a low-surface energy coating. According to the method, at least one surface of an article with a coating formulation of the invention; and the coating is then cured as described above with UV light to form a low-surface energy coating on the surface. The invention also relates to articles having a low-surface energy coating according to the invention. | 02-24-2011 |
20130072591 | USING THE LIGHT ADJUSTABLE LENS (LAL) TO INCREASE THE DEPTH OF FOCUS BY INDUCING TARGETED AMOUNTS OF ASPHERICITY - In general, the present invention relates to optical elements, which can be modified post-manufacture such that different versions of the element will have different optical properties. In particular, the present invention relates to lenses, such as intraocular lenses, which can be converted into aspheric lenses post-fabrication. Also, the present invention relates to a method for forming aspheric lenses post-fabrication. | 03-21-2013 |
20130096223 | METHOD FOR CURING ADDITION CURABLE ORGANOPOLYSILOXANE COMPOSITION - A method for curing an addition curable organopolysiloxane composition is provided. This method uses a UV activatable platinum catalyst (complex), and this method has enabled consistent curing of the parts where UV exposure is impossible as well as consistent curing of a thick article. This method cures an addition curable organopolysiloxane composition comprising (A) an organopolysiloxane having at least 2 alkenyl groups bonded to silicon atoms per molecule, (B) an organohydrogenpolysiloxane having at least 2 hydrogen atoms bonded to silicon atoms per molecule, and (C) an effective amount of a photoactivatable platinum complex curing catalyst, and the method comprises the first step of exposing the composition to UV to increase catalytic activity of the component (C), and the second step of applying the composition obtained in the first step to a desired position and curing the composition. | 04-18-2013 |
20130178553 | CURABLE-ON-DEMAND COMPOSITION COMPRISING DUAL REACTIVE SILANE FUNCTIONALITY - A curable composition comprises (a) at least one inorganic or organic compound comprising reactive silane functionality comprising at least one hydrosilyl moiety; (b) at least one inorganic or organic compound comprising reactive silane functionality comprising at least one hydroxysilyl moiety, the hydroxysilyl moiety optionally being generated in situ by hydrolysis of at least one hydrosilyl moiety; and (c) at least one photoactivatable composition that, upon exposure to radiation, generates at least one base selected from amidines, guanidines, phosphazenes, proazaphosphatranes, and combinations thereof; with the proviso that, when component (a) is an organic polymer, then component (b) is different from component (a) and is not generated in situ by hydrolysis of component (a). | 07-11-2013 |
20130289153 | Using the Light Adjustable Lens (LAL) to Increase the Depth of Focus by Inducing Targeted Amounts of Asphericity - In general, the present invention relates to optical elements, which can be modified post-manufacture such that different versions of the element will have different optical properties. In particular, the present invention relates to lenses, such as intraocular lenses, which can be converted into aspheric lenses post-fabrication. Also, the present invention relates to a method for forming aspheric lenses post-fabrication. | 10-31-2013 |
20130331476 | SILOXANE HARD COATING RESIN - The present invention relates to a siloxane hard resin including alicyclic epoxy siloxane alone or a reactive monomer, which is prepared by condensation reaction of alkoxysilanes, and has a weight average molecular weight in the range of 1000 to 4000 and a molecular weight distribution of PDI 1.05 to 1.4. A siloxane hard cured article produced by photo- or thermal polymerization has high hardness by compact crosslinking of siloxane molecules having different molecular weights. | 12-12-2013 |
20150018448 | METHODS AND APPARATUS FOR CROSSLINKING A SILICON CARBIDE FIBER PRECURSOR POLYMER - The present disclosure generally provides methods and apparatus for efficiently crosslinking silicon carbide fiber precursor polymers with electron beam radiation. The methods and apparatus utilize a platform containing silicon carbide fiber precursor polymer. The temperature of the platform is regulated while the silicon carbide fiber precursor polymer is irradiated to thereby regulate the temperature of the irradiated silicon carbide fiber precursor polymer thereon. In this way, the temperature of the irradiated silicon carbide fiber precursor polymer is regulated via the platform both during and after it is subjected to radiation. At least one of the platform and the e-beam radiation mechanism may be translated with respect to the other to irradiate different portions of the silicon carbide fiber precursor polymer and, ultimately, the entirety of the silicon carbide fiber precursor polymer contained on the platform. | 01-15-2015 |
20150337066 | ACTIVE-ENERGY-RAY-CURABLE COMPOSITION FOR OPTICAL MEMBERS, CURED ARTICLE, AND OPTICAL LENS AND SHEET OR FILM FOR OPTICAL LENSES EACH PRODUCED USING SAID CURED ARTICLE - An object of the present invention is to provide an active energy ray-curable composition capable of forming a cured product excellent in damage restoration, adhesion to a plastic base, and transparency after curing. An active energy ray-curable composition for optical components of the present invention essentially includes: a monomer (A) having 2 or more radical-polymerizable reactive groups (x1), a homopolymer of the monomer (A) having a glass transition temperature of higher than 200° C.; a monomer (C) having 2 or more radical-polymerizable reactive groups (x2), a homopolymer of the monomer (C) having a glass transition temperature of lower than −15° C.; and a photopolymerization initiator (E). | 11-26-2015 |