Rhodia Chimie

Bluestar Silicones France Sas

Bluestar Silicones France

Henkel Ag & Company, Kgaa

Symyx Technologies, Inc.

Yves Giraud

Martial Deruelle

Paul Branlard

Ian Hawkins

Jean-Marc Frances

Eric D Carlson

Michel Feder

Sébastien Sterin

Catherine George

Thomas Crevier

Nadia Martin

Christophe Guyot

Georges Barrandon

Gérald Guichard

Charlotte Basire

Bernard Dalbe

Carroll Vergelati

Henri Chauffriat

G&eacute;rald Guichard

Fr&eacute;d&eacute;ric Magd

Marcel Guironnet

Fr&eacute;d&eacute;ric Garnes

Anne-Marie La Pointe

Jair Maggioni

Sandrine Millot

Lise Trouillet

Ludovic Odoni

Carol Vergelatti

Crosslinkable liquid composition which can crosslink to give a hydrophobic and/or oleophobic silicone elastomer coating, comprising a polyorganosiloxane (POS) resin A exhibiting, per molecule, on the one hand, at least two different siloxyl units chosen from those of M, D, T and Q types, one of the units being a T unit or a Q unit, and, on the other hand, at least three hydrolysable/condensable groups of OH and/or ORtypes, where Ris a linear or branched Cto C, preferably Cto C, alkyl radical, a system for promoting attachment B and a polyfluoroacrylate F. Use of this composition to form a silicone elastomer sheath around the constituent yarns, fibers and/or filaments of a textile material and to confer long-lasting oleophobicity and/or hydrophobicity properties.

Silicone/fluorinated organic compound mixed composition for conferring oleophobicity and/or hydrophobicity on a textile material

The present invention concerns a process for the preparation of a silicone coating of low dielectric constant, comprising the following essential steps: The invention deals also with a silicone coating obtained by this process and an integrated circuit comprising such a silicone coating as an electrical insulator.

Low dielectric constant silicon coating, method for the preparation and application thereof to integrated circuits

The invention relates to the use of waterproofing liquid silicon compositions for impregnating porous construction materials, for example mineral or (ligno)cellulose materials.

Method for hydrophobising and improving the beading effect of construction materials

Crosslinkable liquid silicone compostions suited, on curing, for the long-lasting protective and/or applicational coating/treatment of textile substrates, for example, for imparting softness, hydrophobicity, oleophobicity, hydrophilicity or antistatic properties thereto, comprise a formulation of (a) at least one particular polyorganosiloxane (POS) resin, (B) at least one metal alkoxide and/or polyalkoxide, or combination thereof with at least one optionally alkoxylated organosilane and/or at least one organosilicon compound bearing at least one epoxy, amino, ureido, isocyanato and/or isocyanurate substituent, (C) at least one functional coreactant therefor, (D), optionally, at least one nonreactive additive and (E), also optionally, at least one auxiliary agent other than an additive (D).

Textile coating formulations comprising crosslinkable liquid silicones, metal alkoxides and functional coreactants

Silicone coating on various soft supports, for instance textiles, made of synthetic polymers (polyamide, polyester) provides an efficient method for producing water impermeable and water permeable coatings, on soft supports, said method enabling to improve permeability to water vapor of the silicones while preserving impermeability to water. The inventive method enabling this consists mainly in: coating one of the surfaces of the support with a film formed by an invert water-in-oil silicone emulsion comprising a continuous oily silicone phase phi s, crosslinkable into elastomer and including a polyorganosiloxane (POS) A crosslinkable by addition polymerization, by cationic process or free-radical process; optionally a crosslinking organosilicon compound B; and optionally at least a catalyst C; an aqueous phase phi a; a stabilizing agent; and in ensuring crosslinking of the silicone phase phi s and elimination of water. The invention also concerns water impermeable and water vapor permeable soft polyamide or polyester substrates obtained by using an invert water-in-oil silicone emulsion.

Use of a crosslinkable silicone-based inverse emulsion for producing 'breathable waterproof' coatings

An essential aim of the invention is a treatment which permits: (i) coating a textile material and/or threads, fibers and/or filaments making up the textile material, the silicone formulation cross-linking around the threads, fibers and/or filaments making up the textile material and forming a cross-linked silicone coating around the same and ii) durably imparting water-repellency and impermeability to said textile material without substantially affecting the intrinsic respirability of the textile material. Said aim is achieved by means of the present invention using at least one cross-linkable silicone formulation as a base for the textile coating material, particularly, of a textile material which may be used for the production of sports clothing.

Use of a silicone formulation for the durable functionalisation of textiles for sports clothing

The field of the present invention relates to the field of batteries and of polymer electrolytes for batteries and more particularly to the field of lithium batteries. The invention relates to a composition which can be polymerized and/or crosslinked by dehydrocondensation for a battery electrolyte comprising:

Crosslinkable composition for a battery electrolyte

Stable and substantially filled cationic dental compositions are described which include:

Stable cationically crosslinkable/polymerizable dental composition with a high filler content

This invention relates to silicone compositions which can be crosslinked, preferably into elastomers, by hydrosilylation of at least one PolyOrganoSiloxane -A- carrying unsaturated bonds, using at least one polyorganohydrosiloxane &#x2014;B&#x2014; in the presence of a carbene-based metal catalyst &#x2014;C&#x2014; as defined in the description and which optionally comprises at least one inhibitor -D- of the hydrosilylation reaction.

Silicone composition which can be crosslinked into an elastomer by hydrosilylation in the presence of carbene-based metal catalysts, and catalysts of this type

The invention relates to a method for production of a sealed surface coating, for buildings (floor/wall/ceiling), of the type where a series of layers, or elements are fixed on the surface, comprising, starting from the surface, optionally at least one primer adhesive layer, at least one watertight polymer membrane, (optionally at least one woven or non-woven fibrous material layer), at least one layer of adhesive and at least one external cover, characterised in that (a) the sealed membrane is chosen from those which may be obtained from a an aqueous dispersion of silicone oil(s), (b) the adhesive applied comprises at least one adhesion promoter (C'), (c) the aqueous dispersion of silicone oil(s) is applied as a film to the surface, (d) the cross-linking of the silicone layer occurs subsequently, preferably at an ambient temperature, (e) the application of at last one layer of adhesive with added adhesion promoter (C&#x2032;) is then applied, preferably by surface coating on the cross-linked silicone film and finally the external cover is applied.

Method for production of a sealed coating for surfaces of buildings comprising a cross-linked sealed silicone membrane, adhesive and ready-to-use kit for application of said method

The invention concerns a lubricating composition, in the form of an oil-in-water emulsion, based on siloxane and not releasing hydrogen comprising: (a) a polydiorganosiloxane oil non-reactive to the lubricating properties having a dynamic viscosity of the order of 5.10to 30.10Pa.s at 25&#xb0; C.: (b) a reactive linear polydiorganosiloxane oil having per molecule at least two OH groups, said polydiorganosiloxane having a dynamic viscosity at 25&#xb0; C. ranging between 5.10to 30.10Pa.s: (c) a crosslinking agent soluble in the silicone phase comprising at least two functions capable of reacting with the reactive polydiorganicsiloxane oil (b); (d) a water soluble crosslinking agent: (e) a surfactant: (f) a condensation catalyst capable of catalysing the reaction of oil (b) with the crosslinking agent (c) and/or (d): and (g) water: compositions comprising a soluble polyorganosiloxane soluble in the silicone phase and bearing, before emulsification, condensable hydroxyl substitutes being excluded.

Siloxane-based lubricant composition, not releasing hydrogen, preparation method and use thereof

The invention concerns a lubricating composition, in the form of an oil-in-water emulsion, based on siioxane and not releasing hydrogen comprising: (a) a polydiorganosiloxane oil non-reactive to the lubricating properties having a dynamic viscosity of the order of 5.10 to 30.10 Pa.s at 25&deg; C.; (b) a polyorganosiloxane resin bearing, before emulsification, condensable hydroxyl substituents and comprising before emulsification at least two syloxyl units selected among those of formula (R ) SiO (M); (R ) SiO (D); R SiO (T) and SiO (Q), one at least of said units being a T or Q unit, formulae wherein: R represents a monovalent organic substituent, the average number per molecule of organic radicals R for a silicon atom ranging between 1 and 2; and said resin having a weight content of hydroxyl substituents ranging between 0.1 and 10 wt. %, and, preferably between 0.2 and 5 wt. %; (c) a crosslinking agent soluble in the silicone phase comprising at least two functions capable of reacting with the polyorganosiloxane resin (b); a condensation catalyst capable of catalysing the reaction of constituent (b) with constituent (c); (e) a surfactant; and (f) water.

Lubricating composition based on siloxane, not releasing hydrogen, preparation method and use thereof

The present invention is directed to an aqueous silicone dispersion capable of being crosslinked into a transparent elastomer comprising: 1) a silicone phase comprising at least one crosslinkable polyorganosiloxane A, optionally at least one silicon-containing adhesion promoter B, optionally at least one crosslinking agent D, and optionally at least one solvent S of the crosslinkable polyorganosiloxane A, 2) a non-silicone hydrophilic phase comprising at least one filler, a surfactant, and optionally at least one catalyst and/or at least one water soluble adhesion promoter B&prime;, and 3) water; wherein the difference between the refractive indexes of component 1) and component 2) is not greater than 0.05, preferably not greater than 0.04. The invention also concerns the method for preparing said dispersion and the sealant or other materials or waterproofing/fireproofing coats comprising said dispersion.

Aqueous silicone dispersion, crosslinkable into transparent elastomer

Process for combating the appearance of mist during the coating of flexible supports with a crosslinkable liquid silicone composition in a roll device

The polyorganosiloxane composition resulting in a silicone elastomer of high thermal conductivity, which can reach and even exceed 1.2 W/m.K, the elastomer retaining an elongation at break of greater than 30%, comprises at least one functional polyorganosiloxane which crosslinks by a polyaddition or polycondensation reaction or by the radical route, optionally a polyorganohydrosiloxane, a catalyst, optionally a reinforcing filler and a filler intended to increase the thermal conductivity which is present in the composition in the proportion of 35 to 70% by volume with respect to the total composition, this filler comprising at least two groups of particles of very different mean diameters, a first group having a mean particle diameter of between 10 and 40 mm, present in a predominant amount in the filler, and a second group having a mean particle diameter of less than 5 mm.

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Sainte Foy Les Lyon, France

Yves Giraud