Patents Assigned to Huntsman Advanced Materials Licensing (Switzerland) GmbH
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Patent number: 11718706Abstract: The disclosure relates to a curable mixture for use in impregnation of paper bushings comprising a resin mixture of a bisphenol-A-diglycidylether (BADGE) and a bisphenol-F-diglycidylether (BFDGE), methyltetrahydrophthalic anhydride (MTHPA) as hardener, and an accelerator selected from the group consisting of tertiary alkylamine aminoethylalcohols and corresponding ethers thereof as well as paper bushings impregnated with such mixture and uses of such mixture.Type: GrantFiled: February 22, 2019Date of Patent: August 8, 2023Assignee: HUNTSMAN ADVANCED MATERIALS Licensing (Switzerland) GmbHInventors: Christian Beisele, Hubert Wilbers, Daniel Baer
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Patent number: 11629219Abstract: A curable composition comprising (A) an epoxy resin containing on average more than one epoxy group per molecule; (B) a compound of formula A[—X—CO—CH2—CN]n(1), wherein A is hydrogen or C1-C12 alkyl which is unsubstituted or substituted by one or more C1-C12 alkoxy groups, C1-C12 alkylcarbonyl groups, C7-C25 arylcarbonyl groups, hydroxyl groups, amino groups, C1-C12 alkylamino groups, C1-C12 dialkylamino groups, cyano groups or halogen atoms, or A is a bivalent aliphatic, cycloaliphatic, aromatic, araliphatic or heterocyclic organic radical, X denotes —O—or —NR1—, wherein R1 is hydrogen or C1-C12 alkyl which is unsubstituted or substituted by one or more C1-C12 alkoxy groups, C1-C12 alkylcarbonyl groups, C7-C25 arylcarbonyl groups, hydroxyl groups, amino groups, C1-C12 alkylamino groups, C1-C12 dialkylamino groups, cyano groups or halogen atoms, n is 1 or 2; and (C) a protected base in the form of an adduct or salt which is able to release a basic compound upon heating to a temperature greater than 70° C.Type: GrantFiled: December 21, 2017Date of Patent: April 18, 2023Assignee: HUNTSMAN ADVANCED MATERIALS LICENSING (Switzerland) GmbHInventors: Alessandro Napoli, Amit Nagarkar, Kenneth Black Scobbie, Susanne Elmer
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Publication number: 20210115246Abstract: The disclosure relates to a curable mixture, in particular for use in impregnation of paper bushings, comprising (a) a resin composition comprising a bisphenol-A-diglycidylether; a polyglycidylether different from BADGE and/or a cycloaliphatic epoxy resin; a N-glycidyl component; a nano-size or dissolvable toughener; and a silane component, and b) a hardener composition comprising methyltetrahydrophthalic anhydride (MTHPA) and at least one curing accelerator as well as paper bushings impregnated with such mixture and uses of such mixture.Type: ApplicationFiled: March 14, 2019Publication date: April 22, 2021Applicant: Huntsman Advanced Materials Licensing (Switzerland) GmbHInventors: Christian BEISELE, Hubert WILBERS, Daniel BAER
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Publication number: 20190190341Abstract: Disclosed is an anhydride-free insulation system for current-carrying construction parts of an electric engine which comprises: (A) a mica paper or mica tape for wrapping parts of said electric engine that are potentially current-carrying during operation of the engine, which mica paper or mica tape is impregnable via vacuum pressure impregnation with a thermally curable epoxy resin formulation and comprises one or more thermally activatable sulfonium salt initiators for the homopolymerisation of the epoxy resins present in said said thermally curable epoxy resin formulation or a mixture thereof in an amount sufficient to homopolymerize the epoxy resin taken up by the mica paper or mica tape and the construction part of the engine during the vacuum pressure impregnation step; (B) a thermally curable bath formulation for the vacuum pressure impregnation comprising (i) a polyglycidyl ether or a mixture thereof, and (ii) a cycloaliphatic epoxy resin comprising at least two epoxy groups, which are fused to a cyType: ApplicationFiled: May 31, 2017Publication date: June 20, 2019Applicants: Huntsman Advanced Materials Licensing (Switzerland) GmbH, ISOVOLTA AGInventors: Christian Beisele, Daniel Baer, Harald Stecher
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Publication number: 20180346717Abstract: A curable composition comprising (A) a mixture of homopolymers of polyisocyanates comprising (a1) from 50 wt % to 90 wt % of at least one homopolymer of an aliphatic poly-isocyanate, and (a2) from 10 wt % to 50 wt % of at least one homopolymer of a cycloaliphatic poly-isocyanate, each based on the total weight of (a1) and (a2), (B) at least one polyol selected from the group of polyether polyol and polyester polyol, (C) at least one filler selected from the group of quartz sand, quartz powder, silica, aluminium oxide, titanium oxide, zirconium oxide, Mg(OH)2, AI(OH)3, dolomite [CaMg (CO3)2], AIO(OH), silicon nitride, boron nitride, aluminium nitride, silicon carbide, boron carbide, chalk, calcium carbonate, barite, gypsum, hydromagnesite, zeolites, talcum, mica, kaolin and wollastonite, wherein the at least one filler may be silanized, which, in particular, is suitable for the manufacture of outdoor insulation system articles for electrical engineering by casting, potting, encapsulation, and impregnationType: ApplicationFiled: November 7, 2016Publication date: December 6, 2018Applicant: Huntsman Advanced Materials Licensing (Switzerland) GmbHInventors: Christian BEISELE, Hongyan CHEN, Satoru HISHIKAWA