Patents Assigned to Wacker-Chemie
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Publication number: 20240158556Abstract: Starch hybrid copolymers in the form of aqueous dispersions or water-redispersible powders, processes for producing and uses for the same. Where the starch hybrid copolymers obtainable by radically initiated polymerization in aqueous medium of ethylenically unsaturated monomers in the presence of starch or by emulsion polymerization, in aqueous medium of ethylenically unsaturated monomers in the presence of starch. The starch hybrid copolymers may also be obtainable by performing an optional subsequent drying process.Type: ApplicationFiled: April 16, 2021Publication date: May 16, 2024Applicant: Wacker Chemie AGInventors: Stefan Haid, Thomas Lehotkay, Constantin Tiemeyer
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Patent number: 11981575Abstract: Silicon and silica values are obtained from recycled organosilicon products such as silicones, by introducing a recycle feed containing the organosilicon products into an electric furnace while producing metallurgical grade silicon from a silica source and a carbon source.Type: GrantFiled: March 5, 2019Date of Patent: May 14, 2024Assignee: WACKER CHEMIE AGInventors: Karl-Heinz Rimboeck, Konrad Mautner
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Publication number: 20240150182Abstract: A process for reacting silicone with hydrothermal water is at temperatures from 140° C. or supercritical water. A solids mixture containing silicon is formed.Type: ApplicationFiled: April 7, 2021Publication date: May 9, 2024Applicant: Wacker Chemie AGInventors: Markus ULBRICH, Jan TILLMANN, Harald VOIT
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Publication number: 20240141104Abstract: Copolymers and methods of making the same. The copolymers are 1,3-Dioxolane copolymers of the general formula I where x1+x2 has values of 10 to 2000. Where R1 and R2 are hydrogen radicals or C1 to C18 alkyl radical. In each case at least one radical R1 or R2 in the units [O—CH2—O—CHR1—CHR2-]y1 and [O—CHR1—CHR2O—CH2-]y2 is a C1 to Cis alkyl radical. Where y1+y2 has values of 3*(x1+x2+y1+y2)/100 to 50*(x1+x2+y1+y2)/100.Type: ApplicationFiled: February 17, 2021Publication date: May 2, 2024Applicant: Wacker Chemie AGInventors: Laura Ascherl, Martina Baumann, Theresa Dellermann
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Publication number: 20240132715Abstract: Polymer compositions and methods for producing the same. The polymer compositions include a component (A), a component (B) and a component (C). Where the component (A) is 65% to 99.4% by weight of biopolymers, the component (B) is 0.5% to 30% by weight of homopolymers, copolymers or terpolymers based on vinyl acetate and the component (C) is 0.1% to 5% by weight of organopolysiloxane pellets.Type: ApplicationFiled: February 17, 2021Publication date: April 25, 2024Applicant: Wacker Chemie AGInventors: Oliver Fuhrmann, Manuela Lamprecht, Karl Weber, Angelika Weißenbacher
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Publication number: 20240132726Abstract: A silica functionalized with a siloxane is of the general formula (I), [SiO4/2]a [R1SiO3/2]b [R3R1SiO2/2]c [R13SiO1/2]d [O1/2R2]e (I). The indices a, b, c, d, e each independently have integer values a from 0 to 100, b from 0 to 100, c from 0 to 50, d from 3 to 200, e from 0 to 50, with the proviso that the sum of a, b and c is at least 1 and for more than 50% of the siloxanes in the mixture the sum of a, b and c is ?4.Type: ApplicationFiled: March 5, 2021Publication date: April 25, 2024Applicant: Wacker Chemie AGInventor: Elisabeth LEIB
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Patent number: 11965094Abstract: Curable organopolysiloxane compositions contain (A) organopolysiloxane resins consisting of units of the formula RaR1b(OR2)cSiO(4?a?b?c)/2 ??(I), with the proviso that in formula (I) the sum of a+b+c?3, in at least one unit of the formula (I) b=1, in at least 50% of the units of the formula (I) a+b=1 and in at most 10% of the units of the formula (I) a+b=3, based in each case on all siloxane units of the formula (I) in organopolysiloxane resin (A), (B) organic compounds having at least one unit of the formula CR32=CR3—CO—Z—??(II), (C) initiators, (D) fillers and (K) amines, wherein the radicals and indices have the definition specified in claim 1. When coarse and fine grained fillers are employed, the composition can be used to mold artificial stone.Type: GrantFiled: October 26, 2018Date of Patent: April 23, 2024Assignee: Wacker Chemie AGInventors: Detlev Ostendorf, Steffen Doerrich, Marko Prasse
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Patent number: 11965264Abstract: Electrode assemblies useful, inter alia, for mounting thin rods in Siemens reactors for manufacture of polysilicon, have a base segment which receives a holder segment, and an insert, interfacial surface(s) of which have depressions and/or elevations which reduce contact surface area, allowing the holder, base segment, insert, and optional intermediate segments to be constructed of materials having different thermal conductivities.Type: GrantFiled: July 27, 2018Date of Patent: April 23, 2024Assignee: Wacker Chemie AGInventors: Heinz Kraus, Piotr Filar
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Publication number: 20240109990Abstract: Aqueous dispersions and uses for the same. The aqueous dispersion includes a component (a) of one or more ethylene-vinyl ester copolymers and a component (b) of one or more protective colloids. The aqueous dispersion may optionally a component (c1) of one or more nonionic surfactants and/or a component (c2) of one or more ionic surfactants. Where a total amount of the component (b) is less than or equal to 2.2 pphm, preferably between 1-2.2 pphm, or more preferably 1.8 pphm. Additionally, where a total amount of the component (c1) and the component (c2) is less than 0.1 pphm, preferably less than or equal to 0.01 pphm.Type: ApplicationFiled: December 30, 2020Publication date: April 4, 2024Applicant: Wacker Chemie AGInventors: Jin Zheng, Qian Chen, Yipeng Wei, Jiaxiang Zhou
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Publication number: 20240110061Abstract: An asphalt binder includes an asphalt and an adhesion promoter composition. The adhesion promoter composition includes a vinyl acetate-ethylene (VAE)-based redispersible polymer and a wetting agent. The wetting agent includes at least one selected from the group consisting of: polyethylene glycol phenyl ether, polyethylene glycol higher alkyl, ether dialkyl sulfosuccinate, alkyl amine, alcohol amine, polyethyleneimine, and sorbitan aliphatic ethylene oxide adduct. Further, the wetting agent is included in an amount ranging from 0.5 to 45 percent by weight (wt %) with respect to the total weight of the adhesion promoter composition.Type: ApplicationFiled: November 4, 2020Publication date: April 4, 2024Applicant: Wacker Chemie AGInventors: Sung OH, Yong-Hae CHOI
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Publication number: 20240110047Abstract: Aqueous dispersions and uses for the same. The aqueous dispersion includes a component (a) of one or more ethylene-vinyl ester copolymers, a component (b) of one or more protective colloids, a component (el) of one or more nonionic surfactants, and a component (d) of one or more dispersants, selected from polycarboxylates. Where an amount of the component (b) and the component (c1) is less than or equal to 3.4 pphm, preferably between 1-3.4 pphm, more preferably between 2-3.1 pphm. Where the weight ratio of an amount of the component (b) to the component (el) is between 1.01-2 and an amount of the component (d) is less than or equal to 1 pphm. The component (b) is polyvinyl alcohol (PVOH).Type: ApplicationFiled: December 30, 2020Publication date: April 4, 2024Applicant: Wacker Chemie AGInventors: Jin Zheng, Qian Chen, Jie Xu, Jiaxiang Zhou
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Publication number: 20240100759Abstract: Mixtures along with processes for making and uses for the same. The mixtures include organosilicon compounds, organic fibers, and/or thermoplastic polymers. The mixtures may optionally include polyolefins substituted by carboxylic acid anhydride groups and/or additives.Type: ApplicationFiled: December 18, 2020Publication date: March 28, 2024Applicant: Wacker Chemie AGInventors: Oliver Schäfer, Oliver Fuhrmann, Michael Joachimbauer
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Publication number: 20240093032Abstract: A siloxane composition, includes: (a) at least one organopolysiloxane containing two alkenyl groups bonded to silicon atoms at both ends of the chain per molecule, (b) at least one organopolysiloxane containing at least three alkenyl groups bonded to silicon atoms per molecule, (c) at least one organopolysiloxane containing two hydrogen atoms bonded to silicon atoms at both ends of the chain per molecule, and (d) at least one hydrosilylation catalyst, with the proviso that component (c) is in an amount of greater than or equal to 30 wt % based on the total weight of the composition, and component (e) at least one organopolysiloxane containing at least three hydrogen atoms bonded to silicon atoms per molecule is in an amount of less than or equal to 0.01 wt % based on the total weight of the composition.Type: ApplicationFiled: February 9, 2021Publication date: March 21, 2024Applicant: Wacker Chemie AGInventors: Junnan WU, Jian NIE
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Patent number: 11931673Abstract: Rapid and long lasting defoaming is accomplished by use of a defoamer formulation employing an organopolysiloxane having siloxy groups linked by an alkylene group, a filler, a silicone resin, a silanol-terminated organopolysiloxane, and an inorganic or organic acid.Type: GrantFiled: November 28, 2018Date of Patent: March 19, 2024Assignee: WACKER CHEMIE AGInventors: Markus Grandl, Christoph Deckert, Elisabeth Hoelzlwimmer, Corinna Sage, Josef Wimmer
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Patent number: 11936038Abstract: An anode active material for lithium ion batteries includes one or more unaggregated silicon particles having a mass-based chlorine content of from 5 to 200 ppm and a volume-weighted particle size distribution having diameter percentiles d50 of from 0.5 ?m to 10.0 ?m.Type: GrantFiled: October 2, 2018Date of Patent: March 19, 2024Assignee: Wacker Chemie AGInventors: Jürgen Pfeiffer, Eckhard Hanelt, Harald Hertlein, Karl Hesse, Robert Maurer
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Publication number: 20240084059Abstract: Methods for preparing vinyl ester-ethylene copolymers and methods for recovering residual monomers when preparing the same. The method includes performing a stage (a) where radically initiated polymerization of vinyl esters, ethylene and optionally further ethylenically unsaturated monomers in an aqueous medium is performed. In a stage (b) a polymerization mixture from stage (a) is depressurized producing an ethylene-containing gas phase and an aqueous phase containing vinyl esters and vinyl ester-ethylene copolymers. Where the ethylene-containing gas phase separated off, then absorbed into vinyl esters and the mixture thus obtained is used in the radically initiated polymerization of vinyl esters, ethylene and optionally further ethylenically unsaturated monomers.Type: ApplicationFiled: August 27, 2021Publication date: March 14, 2024Applicant: Wacker Chemie AGInventors: Michael ANGERER, Bernhard Eckl
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Publication number: 20240083924Abstract: A process for preparing siloxanes wherein (a) at least one hydridosilicon compound selected from (a1) compounds of general formula (I), and/or from (a2) compounds of general formula (I?), and (b) at least one carbonyl compound selected from (b1) compounds of the general formula (II), and/or (b2) compounds of general formula (II?), and (c) at least one cationic compound of general formula (III) are brought into contact and reacted with one another.Type: ApplicationFiled: October 11, 2019Publication date: March 14, 2024Applicant: Wacker Chemie AGInventors: Elke Fritz-Langhals, Sotirios Kneissl, Phillip Piroutek
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Publication number: 20240084225Abstract: A foam control composition includes a component (A) and a component (B). Component (A) includes units of the formula (R1O)a(R2O)b(R3O)cR4dR5eR6fSiO[SiR7R8O]x[SiR9(OR10)O]ySi(R1O)a(R2O)b(R3O)cR4dR5eR6f. Component (B) comprises a filler.Type: ApplicationFiled: January 5, 2021Publication date: March 14, 2024Applicant: Wacker Chemie AGInventors: John YOUNG, Aaron BUSH, Hagit LEVIN, Tianyue ZHENG
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Patent number: 11925883Abstract: Defoamer formulations with rapid knockdown and extended performance contain specific polyorganosiloxanes having alkylene linkages between siloxy groups, silicone resins, fillers, a polyoxyethylene surfactant, and an organic or inorganic acid.Type: GrantFiled: November 28, 2018Date of Patent: March 12, 2024Assignee: WACKER CHEMIE AGInventors: Markus Grandl, Christoph Deckert, Elisabeth Hoelzlwimmer, Corinna Sage, Josef Wimmer
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Patent number: 11926958Abstract: Textile nonwovens are produced without formaldehyde by employing a polymer binder which is a copolymer of vinyl acetate, ethylene, (meth)acrylamide, (meth)acrylic acid and maleic acid or anhydride or maleamic acid.Type: GrantFiled: February 5, 2019Date of Patent: March 12, 2024Assignee: Wacker Chemie AGInventors: Heimo Woelfle, Florian Bauers, Holger Poths