BLUESTAR SILICONES FRANCE SAS Patent applications |
Patent application number | Title | Published |
20150322095 | HYDROSILYLATION METHOD - A method (P) for hydrosilylating at least one compound (C), including at least one unsaturation in the presence of an organosilicon compound (O) including at least one hydrogen atom per molecule bonded directly to a silicon atom, and of a catalytic hydrosilylation system including a structured porous material (A) including pores and an inorganic structure consisting of silicon oxide walls, in which metal nanoparticles are contained. | 11-12-2015 |
20150315214 | METHOD FOR THE HYDROSILYLATION OF A SILOXANE PHOTOCATALYSED BY A POLYOXOMETALATE COMPOUND - The invention concerns a method of hydrosilylation between a siloxane compound (A) comprising at least one hydrogen atom bonded to a silicon atom and an unsaturated compound (B) comprising at least one alkene function and/or at least one alkyne function, the method being characterized in that it is catalysed by a photocatalyst selected from among the polyoxometalates. | 11-05-2015 |
20140314979 | COATING COMPOSITIONS AND TEXTILE FABRICS COATED THEREWITH - A curable coating composition that exhibits improved cure and adhesion to various substrates, especially synthetic textiles used in the manufacture of air bags, and good air pressure holding performance. | 10-23-2014 |
20140303331 | METHOD FOR PREPARING A SILICA GRAFTED WITH AN ORGANOSILICON COMPOUND - The present invention relates to a method for preparing a silica grafted with an organosilicon compound, to a grafted silica obtained according to said method and to the use thereof in compositions of silicone crosslinkable into an elastomer. | 10-09-2014 |
20140024731 | SILICONE COMPOSITION FOR ELASTOMER FOAM - The present relates to novel organopolysiloxane compositions intended to generate an elastomer foam (or silicone foam) with good mechanical properties and low density low density, i.e. less than 0.35 g/cm3 and preferably less than 0.25 g/cm3. | 01-23-2014 |
20130310781 | COMPOSITION I-II AND PRODUCTS AND USES THEREOF - A curable composition apportioned between at least one Part A and at least one Part B, the Parts sealed within barrier means preventing contamination, the at least one Part A comprising: (i) one or more alkenyl-group containing prepolymers having at least one alkenyl group or moiety per molecule, and the at least one Part B comprising: (ii) one or more SiH-containing prepolymers having at least one Si—H unit per molecule; the composition additionally comprising: (iii) a catalyst for curing by addition of alkenyl-containing prepolymer (i) to SiH-containing prepolymer (ii), wherein prepolymer (ii) is substantially absent from Part A and prepolymer (i) is substantially absent from Part B, methods for preparing the composition, methods for sterilisation thereof, medical and non-medical use thereof, a device incorporating the composition, and a precursor therefor including its sterilisable precursor composition, in particular a terminally sterilisable or terminally sterile composition for medical use, particularly in wound therapy, more particularly as a wound packing material which can be shaped and configured to the shape of a wound, most particularly for application in negative pressure wound therapy (NPWT). | 11-21-2013 |
20130158274 | METHOD FOR PREPARING CARBENE IN SOLUTION, NOVEL STABLE FORM OF CARBENE OBTAINED IN PARTICULAR BY MEANS OF SAID METHOD, AND USES THEREOF IN CATALYSIS - The invention relates to a method for preparing carbene by means of deprotonation of a precursor salt using a strong base. A purpose of the invention is to enhance the synthesis of carbenes, i.e. to simplify same, to make said synthesis more economical and to obtain a liquid or solid, stable and pure form consitituting a catalytic system that is easy to store and use and that has a higher efficiency, higher yield and higher selectivity than carbene catalysts of the prior art. In order to do so, the method comprises deprotonation in a solvent including an alcohol. The invention also relates to an alcohol-containing solution and carbene, and to a solid that can be obtained from the solution, e.g. by means of sublimation. | 06-20-2013 |
20110257288 | CROSS-LINKABLE SILICONE COMPOSITION FOR THE PRODUCTION OF NON-STICK COATINGS FOR FLEXIBLE SUPPORTS AND ATTACHMENT PROMOTING ADDITIVE CONTAINED IN THIS COMPOSITION - Silicone composites subject to reticulation or reticulated, particularly for creating a coating or water-repellent and anti-adhesive film for flexible substrates such as paper or similar in the form of natural or synthetic polymer films. These compounds contain reticulating polyorganosiloxanes that have SiH units and unsaturated polyorganosiloxanes, preferably vinylated, suitable for reacting with the reticulating agent in an addition reaction and in the presence of platinum to form the reticulated anti-adhesive coating on the flexible substrate, plus at least one additive (D) to promote adhesion to it. A new liquid silicone compound can be applied without using a solvent, which is beneficial, that can be reticulated instantly to produce an anti-adhesive and/or water-repellent coating for the flexible substrate, giving very high quality reticulated silicone coatings, particularly in terms of sticking/adhering to the substrate, being harder to rub off and the anti-adhesion profile (sufficiently increase detaching force at high speed. | 10-20-2011 |
20110183566 | SILICONE COMPOSITION FOR COATING A FLEXIBLE SUPPORT INTENDED TO FORM A CROSSLINKED COATING HAVING INCREASED ATTACHMENT, MECHANICAL STRENGTH AND REACTIVITY - Crosslinkable or crosslinked silicone compositions, forming water-repellent and release coating for a flexible heat sensitive support of paper or polymer, and comprising crosslinking polyorganosiloxanes (POSs) bearing ≡Si—H units and unsaturated, preferably ≡Si-Vi, vinyl-containing POSs, capable of reacting with the crosslinker by polyaddition, in the presence of platinum in order to form the crosslinked release coating on the flexible support. The object is enabling the coating composition to crosslink instantaneously to produce, on various flexible supports (paper, e.g. glassine, or polymer, e.g. polyester such as polyethylene terephthalate PET), a crosslinked silicone coating leaving the coating machine, with excellent attachment (adhesion) and mechanical strength or cohesion—“Rub-off”—properties. The invention uses, per 100 parts by weight of silicone base, of 1 to 40 parts by weight of an additive comprising from 1 or 5 to 80% by weight of particulate filler, preferably nanoscale filler, in a silicone oil reacting with the crosslinker. | 07-28-2011 |
20100282410 | ADHESIVE SILICONE ELASTOMER COMPOSITION - The present invention relates to a high-performance silicone elastomer composition that is adhesive and that can be crosslinked at high temperature for the assembly of silicone-based substrates, both by platinum and peroxide catalysis, and that may lend itself to a strip conformation. The composition comprises at least one gum, one catalyst and one adhesion promoter of polyorganohydrogensiloxane type, the nature and the amount of said adhesion promoter having been chosen so that Si—H groups are in excess following the reaction for crosslinking the composition, so as to obtain a potential surface density of covalent Si— bonds with the silicone substrate to be bonded of at least one covalent Si— bond per 60 nm | 11-11-2010 |
20100266856 | CROSS-LINKABLE SILICONE COMPOSITION FOR PRODUCING NON-STICK COATINGS FOR POLYMER FILMS - Silicon compositions with the silicon compound ingredient A alkenylated PolyOrganoSiloxane (POS) containing an F1 fraction and an F2 fraction that are different from each other; F2, an adherence enhancer comprising a linear monoalkenylated silicon oil (A | 10-21-2010 |
20100028685 | CROSS-LINKABLE SILICONE COMPOSITION FOR THE PRODUCTION OF NON-STICK COATINGS FOR FLEXIBLE SUPPORTS AND ATTACHMENT PROMOTING ADDITIVE CONTAINED IN THIS COMPOSITION - Silicone composites subject to reticulation or reticulated, particularly for creating a coating or water-repellent and anti-adhesive film for flexible substrates such as paper or similar in the form of natural or synthetic polymer films. These compounds contain reticulating polyorganosiloxanes that have SiH units and unsaturated polyorganosiloxanes, preferably vinylated, suitable for reacting with the reticulating agent in an addition reaction and in the presence of platinum to form the reticulated anti-adhesive coating on the flexible substrate, plus at least one additive (D) to promote adhesion to it. A new liquid silicone compound can be applied without using a solvent, which is beneficial, that can be reticulated instantly to produce an anti-adhesive and/or water-repellent coating for the flexible substrate, giving very high quality reticulated silicone coatings, particularly in terms of sticking/adhering to the substrate, being harder to rub off and the anti-adhesion profile (sufficiently increase detaching force at high speed. | 02-04-2010 |
20090131567 | Polyether Silyl Aqueous Dispersion - The invention concerns an aqueous dispersion capable of crosslinking by condensation into elastomer by eliminating water in the presence of a polycondensation catalyst, comprising, dispersed in a continuous aqueous phase, an organic phase containing at least one polymer including a polyether chain, optionally branched, bearing, per molecule, at least one terminal alkoxysilyl unit and at least two —OR groups borne by one or more silicon atoms, the dispersion containing further an emulsifier adapted to the formation of the dispersion and a polycondensation catalyst. The polymer preferably comprises at least two terminal alkoxysilyl units corresponding to the following formula (a): (R | 05-21-2009 |
20090124699 | Silicone Material for Releasing an Active Molecule - The invention concerns a material, preferably adhesive, for releasing an active molecule for cosmetic use or personal care or a pharmaceutically or biologically active molecule for pharmaceutical use, which is formed of a silicone substance, preferably adhesive, wherein is incorporated said molecule and a compatibility agent wherein said active molecule is soluble, said compatibility agent being selected among isopropyl myristate, isopropyl palmitate, isononyl isononanoate, neopentyl glycol dioctanoate, branched paraffins, organofunctional silicones, or a silicone oil consisting of a cyclic concatenation of 4, 5, 6 or 7 D-siloxyl units of formula: (R) | 05-14-2009 |
20090082506 | Single-Constituent Polyorganosiloxane Composition Crosslinkable By Condensation And Comprising A Filler - The invention concerns a single-constituent polycondensation polyorganosiloxane composition comprising a filler. The invention concerns single-constituent polyorganosiloxane (POS) compositions storage-stable in the absence of humidity and crosslinkable, in the presence of water, into elastomer, compositions comprising at least one crosslinkable linear polyorganopolysiloxane POS, a filler and a crosslinking catalyst, the POS having alkoxy, oxime, acyl and/or enoxy, preferably alkoxy, ends, and the composition being essentially free of hydroxylated POS at the ends and the catalyst comprising a vanadium compound and a titanium compound. | 03-26-2009 |
20080255322 | METHOD FOR PREPARING FUNCTIONALIZED POLYORGANOSILOXANE RESINS BY REDISTRIBUTION IN THE PRESENCE OF AT LEAST ONE TRIFLIC ACID DERIVATIVE - The present invention relates to a process for preparing functionalized polyorganosiloxane (POS) resins comprising units M: (R | 10-16-2008 |
20080255292 | Process for preparing functionalized polyorganosiloxane resins by redistribution in the presence of triflic acid and/or of at least one derivative thereof and of a nonbasic inert filler - The invention provides a method for preparing functionalized polyorganosiloxane resins (POS) comprising units M: (R | 10-16-2008 |