Class / Patent application number | Description | Number of patent applications / Date published |
528029000 | Organic Si-free reactant is an alcohol or alcoholate | 20 |
20080255334 | Method for Producing Organopolysiloxanes - Organopolysiloxanes are prepared in a multistage process by a first partial hydrolysis with from 0.002 to 0.6 mol water per hydrolyzable chlorine and alcohol at a water to alcohol ratio of 0.001 to 1.5, then further hydrolyzing with additional water, and then separating an aqueous alcoholic phase from an organopolysiloxane phase. | 10-16-2008 |
20090215976 | Photosensitive dielectric resin compositions, films formed therefrom and semiconductor and display devices encompassing such films - Some embodiments in accordance with the present invention relate to norbornene-type polymers and to photosensitive dielectric resin compositions formed therefrom. Other embodiments relate to films formed from such compositions and to devices, such as electrical, electronic and optoelectronic devices, that encompass such films. | 08-27-2009 |
20100076170 | PROCESS FOR PREPARING ORGANOPOLYSILOXANES - A targeted molecular weight of an organopolysiloxane is obtained in a two stage hydrolysis by hydrolyzing a chlorosilane with from 0.002 to 0.6 mol of water in a first step in the presence of alcohol, in which the pressure and/or temperature are adjusted such that following further hydrolysis in a second step, the targeted molecular weight is obtained. | 03-25-2010 |
20100273972 | Method of Preparing a Silicone Resin - A method of preparing a silicone resin, the method comprising reacting at least one halodisilane and, optionally, at least one halosilane with at least one alcohol in the presence of an organic solvent to produce an alcoholysis product; reacting the alcoholysis product with water to produce a hydrolyzate; and heating the hydrolyzate to produce the resin. | 10-28-2010 |
20100324251 | Star silicone polymers - The present invention is directed to a multifunctional organo-silicone compound and the use of that compound in personal care and other applications. These compounds by virtue of their unique structure provide outstanding micro emulsions and provide outstanding skin feel. | 12-23-2010 |
20100324252 | Star silicone polymers - The present invention is directed to a multifunctional organo-silicone compound and the use of that compound in personal care and other applications. These compounds by virtue of their unique structure provide outstanding micro emulsions and provide outstanding skin feel. | 12-23-2010 |
20110054138 | Vinyl functionalized alkoxy-siloxylated polyethers and polyesters - A method is described herein for the preparation of a resin that may be used as a component in formulations of hydrosilation cured vinyl disiloxanes to increase the hydrophilicity and thereby reduce the contact angle. The resin is a vinyl functionalized alkoxy-siloxylated polyether or polyester copolymer and the method involves reacting a hydride functionalized siloxane in the presence of a Lewis acid catalyst with (a) one or more of an alcohol, a polyether diol, a polyether polyol, a polyester diol or polyester polyol and (b) a hydride functionalized siloxane containing a terminal vinyl group directly bonded to a silicon atom. This resin can be used in the formulation of dental impression materials. | 03-03-2011 |
20110184142 | MQ Resins From Stable Ethylsilicate Polymer Polymers - An MQ resin including at least 30% SiO | 07-28-2011 |
20110245448 | PROCESS FOR PRODUCING SILICON COMPOUND HAVING OXETANYL GROUP - Provided is a method for efficiently producing a cationically curable condensed silicon compound. There was an unsolved problem that, in a condensation reaction, an oxetanyl group is subjected to ring-opening under an acidic condition, while gelation is easily caused under an alkaline condition. It was found that a silicon compound (C) having an oxetanyl group can be obtained without causing gelation even at a high concentration by the present method including a first step of separately subjecting a silicon compound (A) having four siloxane bond-forming groups and a silicon compound (B) having an oxetanyl group to alcohol exchange reaction with 1-propanol and a second step of subjecting silicon compounds (AP) and (BP) undergone the first step to hydrolytic copolycondensation under an alkaline condition at a specific ratio. | 10-06-2011 |
20130005935 | Preparing Organopolysiloxanes - Organopolysiloxane resins are prepared by reacting tetrachlorosilane with a mixture of 1.0 to 7.0 mol of monohydric alcohol per mol of tetrachlorosilane and 0 to 2 mol of water per mol of tetrachlorosilane to form a partial alkoxylate, followed by the mixing the partial alkoxylate with a water-insoluble organic solvent having a density below 0.95 kg/l and a monofunctional silane of the formula R | 01-03-2013 |
20130096274 | SILYL-TERMINATED POLYMERS - Embodiments of the invention provide for compositions including a crosslinkable silane-terminated polymer having at least one crosslinkable silyl group in each molecule. The crosslinkable silane-terminated polymer comprises a reaction product of at least a isocyanate capped hydrosilylated polymer and a polyol having a nominal functionality of at least 2 which is at least one of a polycarbonate polyol, a natural oil based polyol, a polyoxyalkyleneamine, a difunctional aromatic amine, a polybutyloxide polyether polyol, and a polytetramethylene glycol. | 04-18-2013 |
20140024795 | ALIPHATIC POLYCARBONATE POLYOLS CONTAINING SILYL GROUPS - In one aspect, the present invention pertains to novel silyl polyurethane (SPUR) compositions incorporating aliphatic polycarbonate polyols, as well as methods of making, formulating and using these novel materials. Also provided are films and higher polymers made from the novel SPUR compositions, as well as articles coated with, made from, or incorporating these compositions. | 01-23-2014 |
20140100348 | PROCESS FOR MAKING LOW VISCOSITY, FAST CURING SILANE TERMINATED POLYMERS - Methods of producing a composition comprising a crosslinkable silane-terminated polymer having at least one cross-linkable silyl group in each molecule are provided. The method may comprise providing a polymer having at least one unsaturated group and at least one alcohol hydroxyl group in each molecule and having a number average molecular weight between about 100 and about 5,000, adding to the polymer a compound having a hydrogen-silicon bond and a crosslinkable silyl group in each molecule and a hydrosilylation catalyst to thereby carry out a hydrosilylation reaction to form a composition comprising hydrosilylated polymers, wherein the hydrosilylation reaction has a hydrosilylation efficiency greater than 50% as determined by | 04-10-2014 |
20140107310 | PROCESS FOR PREPARING POLYISOBUTENES - Preparation of bifunctional polyisobutenes in which isobutene or an isobutene-containing monomer mixture is polymerized in the presence of a Lewis acid and a compound of the formula I | 04-17-2014 |
20140243495 | POLYETHER PREPARATION METHOD, PREPOLYMER PREPARATION METHOD, AND MODIFIED SILICONE POLYMER PREPARATION METHOD - A polyether preparation method which comprises a polymerization step of subjecting a monoepoxide having at least 2 carbon atoms to ring-opening addition polymerization to an initiator having at least one active hydrogen-containing functional group in the presence of a catalyst in a stirring vessel, to obtain a polyether, wherein the stirring vessel is one wherein a stirring shaft rotatable by an external drive source is provided at the center of the stirring vessel; plate-shaped bottom paddles extending in a radial direction of the stirring vessel are mounted on a lower portion of the stirring shaft; lattice vanes each comprising arm paddles extending in a radial direction and strips extending in an axial direction, are mounted on a portion of the stirring shaft above the bottom paddles; and a discharge nozzle as a monoepoxide-supply means for discharging the monoepoxide to at least two locations below the lower ends of the strips. | 08-28-2014 |
20150038664 | METHOD FOR PRODUCING POLYETHER - To provide a method for producing a polyether having a weight average molecular weight of from 15,000 to 550,000. | 02-05-2015 |
20150057423 | Polycarbonate-Polysiloxane Copolymer, and Method for Preparing Same - The present invention relates to a polycarbonate-polysiloxane copolymer containing a polysiloxane unit. The polycarbonate-polysiloxane copolymer of the present invention includes an aliphatic terminal having a specific carbon number, thereby having excellent impact properties at low temperature, and high transparency. | 02-26-2015 |
20150344623 | COPOLYCARBONATE RESIN AND ARTICLE INCLUDING THE SAME - According to the present disclosure, a copolycarbonate being economically prepared, and having improved low-temperature impact strength with improved transparency and flowability which are conflicting properties with each other, simultaneously, and a molded article including the same, may be provided. | 12-03-2015 |
20160017102 | POLYCARBONATE-POLYORGANOSILOXANE COPOLYMER AND METHOD FOR PRODUCING SAME - Provided is a polycarbonate-polyorganosiloxane copolymer, including a specific polycarbonate block unit (A) and a specific polyorganosiloxane block unit (B), in which in a differential molecular weight distribution curve obtained from measurement of the polyorganosiloxane block unit (B) by gel permeation chromatography using the polystyrene calibration curve, the curve having an axis of abscissa indicating a logarithmic value log(M) of a molecular weight M and an axis of ordinate indicating dw/d log(M) obtained by differentiating a concentration fraction w with respect to the logarithmic value log(M) of the molecular weight, (1) a dw/d log(M) value becomes maximum in a range of 3.4≦log(M)≦4.0, and (2) in the differential molecular weight distribution curve, a ratio of a value obtained by integrating the dw/d log(M) value over a range of 4.0≦Log(M)≦4.5 to a value obtained by integrating the dw/d log(M) value over the entire range of the log(M) is 6% or more and 40% or less. | 01-21-2016 |
20160168334 | PHENOLIC COMPOUNDS AS END-CAPPING AGENTS FOR POLYSILOXANES IN POLYCARBONATE-POLYSILOXANE BLOCK COPOLYMERS | 06-16-2016 |