Class / Patent application number | Description | Number of patent applications / Date published |
522035000 | Contained in polymeric rate-affecting material, e.g., synthetic resin, etc. | 21 |
20090012198 | Ultraviolet Ray Curing Type Resin Composition - An ultraviolet ray curing type resin composition comprising (A) an urethane acrylate produced from, as essential ingredients, an isocyanate compound comprising an aliphatic isocyanate compound and an alicyclic isocyanate compound at a molar ratio of from 80/20 to 20/80; a polyol compound comprising an ester-based polyol, an ether-based polyol or a polycarbonate-based polyol; and an acrylate compound having a hydroxyl group, (B) an acrylate-based reactive diluent, and (C) a photo-reactive initiator. The coated film obtained by coating the composition to a substrate, followed by photocuring has a following capability in molding owing to its excellent elongation, and only-causes a low level of yellowing upon long time heating to show an excellent thermal resistance. The cured product has a decreased residual odor and, therefore, useful in improving designing property and beauty in using for an automobile interior or the like. Further, the composition is suitable for forming a matted surface by printing to a substrate. | 01-08-2009 |
20110130481 | MACRO-PHOTOINITIATOR VIA ENZYMATIC POLYMERIZATION - Disclosed herein is a macro-photoinitiator comprising a photoinitiator covalently bound to a polymer. Also disclosed herein is a process for the enzymatic polymerization of monomers and photoinitiators performed at atmospheric pressure and relatively low temperatures to form the macro-photoinitiator. | 06-02-2011 |
20110319514 | COMPOSITION COMPRISING AS THE AQUEOUS DISPERSION PREFERABLY (METH)ACRYLATE POLYMERS CONTAINING BENZOPHENONE IN A MIXTURE WITH (METH)ACRYLATE POLYMERS DIFFERENT THEREFROM AND THE USE OF SAID COMPOSITION - The invention describes a composition comprising, in the form of aqueous dispersion, A) for every 100 parts by weight of a, or of a plurality of, (meth)acrylate polymer(s); B) from 1-400 parts by weight of a, or of a plurality of, (meth)acrylate polymer(s), which contain(s) a compound of the formula (I) copolymerized, where the (meth)acrylate polymer(s) B) differ from the (meth)acrylate polymers specified in A), where these are obtainable by emulsion polymerization of a mixture comprising
| 12-29-2011 |
20120010317 | (METH)ACRYLATE POLYMERS AND THE USE THEREOF AS POLYMER-BOUND UV INITIATORS OR ADDITIVE TO UV-CURABLE RESINS - The invention relates to a
| 01-12-2012 |
20130018122 | MACRO-PHOTOINITIATORS AND CURABLE COMPOSITIONS THEREOF - Macro-photoinitiators having defined polymer chain structure are provided. The macro-photoinitiators are terminated with residues of thiol and/or hydroxyl functional photoinitiators. The macro-photoinitiators may be prepared by controlled radical polymerization methods, such as atom transfer radical polymerization and single electron transfer polymerization methods. Also provided are curable (e.g., photocurable) compositions that include the macro-photoinitiators of the present invention. | 01-17-2013 |
20130059940 | POLYMERIC PHOTOINITIATORS - A polyalkylether photoinitiator of the general formula I, R | 03-07-2013 |
20130096220 | GRAFTED PHOTOINITIATORS - The invention provides a method for producing a polymeric photoinitiator, of the general formula I: Polymer-[CR2-CHR-Spacer(PI) | 04-18-2013 |
20130096221 | HYDROPHILIC GELS DERIVED FROM GRAFTED PHOTOINITIATORS - The invention provides a method for the manufacture of a gel, said method comprising the steps of: providing a matrix composition comprising a polymeric photoinitiator of the general formula (I): Polymer-[CR | 04-18-2013 |
20130158151 | GELS FROM POLYSTYRENE-BASED PHOTOINITIATORS - The invention provides a method for the manufacture of a gel precursor. The method comprising the steps of combining a polymeric photoinitiator of the general formula (I): with one or more gel-forming polymers and/or gel-forming monomers to form a matrix composition, and curing the matrix composition obtained in the first step by exposing it to UV radiation. The invention also relates to the gel precursor itself, a method for the manufacture of a hydrophilic gel, the hydrophilic gel itself and a medical device comprising or coated with said gel. | 06-20-2013 |
20130203883 | SURFACE MODIFICATION METHOD AND SURFACE-MODIFIED ELASTIC BODY - The present invention aims to provide a surface modification method for a rubber vulcanizate or a thermoplastic elastomer, which can impart various functions such as sliding properties and biocompatibility according to its use. The present invention relates to a surface modification method for modifying a rubber vulcanizate or a thermoplastic elastomer as an object to be modified, the method including: Step 1 of forming polymerization initiation points on a surface of the object to be modified; Step 2 of radical polymerizing monomers starting from the polymerization initiation points to grow polymer chains on the surface of the object to be modified; and Step 3 of functionalizing the polymer chains. | 08-08-2013 |
20130296454 | ROUTES TO POLYACRYLATES - A polyacrylate is obtained by radical polymerization of at least one acrylate monomer (Ac) in the presence of a polymeric photoinitiator. The polymeric photoinitiator is a co-polymer of at least one photoinitiator monomer (A) with at least one monomer (B), and optional additional monomers (C). Rapid polymerization of the acrylate monomer is provided. A method produces a polyacrylate using the polymeric photoinitiator as described, and a polymeric photoinitiator is used as the photoinitiator of radical polymerization of acrylate monomers. | 11-07-2013 |
20140128493 | SURFACE-MODIFYING METHOD AND ELASTIC BODY WITH MODIFIED SURFACE - The present invention aims to provide a method for modifying a surface of a rubber vulcanizate or a thermoplastic elastomer, which can impart excellent sliding properties and excellent durability against repeated sliding motion, and allow the surface to maintain the sealing properties, without using expensive self-lubricating resins. The present invention relates to a method for modifying a surface of an object of a rubber vulcanizate or a thermoplastic elastomer, the method including: Step 1 of forming polymerization initiation points on the surface of the object; and Step 2 of radical-polymerizing a monomer starting from the polymerization initiation points to grow polymer chains on the surface of the object. | 05-08-2014 |
20140179820 | UV-crosslinkable PSAs with UV absorber, methods for producing them and use - The invention provides meltable and UV-crosslinkable pressure-sensitive adhesives, such as acrylate hotmelts or hotmelt formulations, which can be processed by commonplace hotmelt processes and also on customary hotmelt coating lines, without any immediate alteration in the product properties in the event of (unwanted) deviation in the operational parameters. The compositions of the invention are UV-crosslinkable and meltable pressure-sensitive adhesives comprising (i) mixtures of UV-crosslinkable polyacrylate polymers selected from a) mixtures of UV-crosslinkable polymers with at least one photoinitiator bonded covalently to the backbone of the polymers, and b) mixtures of UV-crosslinkable polyacrylate polymers, monomers and at least one photoinitiator, and also (ii) at least one UV stabilizer, and also methods for producing them and the use thereof as bonding agents. | 06-26-2014 |
20140179821 | BLENDS CONTAINING PHOTOACTIVE ADDITIVE - Polymeric blends having improved flame retardance properties and good ductility at low temperatures are disclosed. The blend is formed from (A) a photoactive additive containing a photoactive group derived from a monofunctional benzophenone; and (B) a polymer resin which is different from the photoactive additive. The additive can be a compound, oligomer, or polymer. When exposed to ultraviolet light, crosslinking will occur between the photoactive additive and the polymer resin, enhancing the chemical resistance and flame retardance while maintaining ductility. | 06-26-2014 |
20140275314 | PHOTOACTIVE ADDITIVES CONTAINING SILOXANE - Photoactive additives are disclosed. Such additives are polymers or oligomers that contain UV-active groups (such as ketone groups) and contain polysiloxane blocks as well. When added to a base polymeric resin and used in molding, this structure promotes migration of the additive to the surface. Crosslinking occurs upon exposure to ultraviolet light. | 09-18-2014 |
20140378572 | HYDROPHILIC GELS FROM POLYALKYLETHER-BASED PHOTOINITIATORS - The invention provides a method for the manufacture of a catheter comprising a hydrophilic gel. The method comprising the steps of combining a polymeric photoinitiator of the general formula (I): | 12-25-2014 |
20150105488 | NOVEL POLYMERIC PHOTOINITIATORS AND PHOTOINITIATOR MONOMERS - The present invention provides polymeric quaternary ammonium photoinitiators being co-polymers of photoinitiator monomers, as well as quaternary ammonium photoinitiator monomer being valuable intermediates in the preparation of such polymeric photoinitiators. Additionally, there is provided a polyacrylate obtained by radical polymerization of at least one acrylate monomer (Ac) in the presence of such polymeric photoinitiators. In the photoinitiator monomers and polymeric photoinitiators, a photoinitiator moiety and a quaternary ammonium are incorporated into the photoinitiator structure. | 04-16-2015 |
20150148441 | NOVEL POLYMERIC PHOTOINITIATORS AND PHOTOINITIATOR MONOMERS - The present invention provides polymeric photoinitiators being co-polymers of photoinitiator monomers and at least one further monomer, as well as photoinitiator monomers being intermediates in the preparation of such polymeric photoinitiators. Additionally, there is provided polyacrylate obtained by radical polymerization of at least one acrylate monomer (Ac) in the presence of such polymeric photoinitiators. In the photoinitiator monomers and polymeric photoinitiators, a photoinitiator moiety, a hydrolytic stable linker and two polymerisable functional groups are incorporated into the photoinitiator structure. | 05-28-2015 |
20160002400 | POLYMERIC PHOTOINITIATORS - A polyalkylether photoinitiator of the general formula I, R | 01-07-2016 |
20160130380 | POLYMERIC PHOTOINITIATORS | 05-12-2016 |
20160168336 | HYDROPHILIC GELS DERIVED FROM GRAFTED PHOTOINITIATORS | 06-16-2016 |