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Pub. No.:    WO/2010/024973    International Application No.:    PCT/US2009/050474
Publication Date: 04.03.2010 International Filing Date: 14.07.2009
C08G 77/10 (2006.01), C08G 77/08 (2006.01)
Applicants: DOW CORNING CORPORATION [US/US]; 2200 West Salzburg Road Midland, MI 48686-0994 (US) (For All Designated States Except US).
GATTI, Christopher, Darren [US/US]; (US) (For US Only).
PARK, Seungbok [KR/US]; (US) (For US Only)
Inventors: GATTI, Christopher, Darren; (US).
PARK, Seungbok; (US)
Agent: FEWKES, Matthew, T.; (US)
Priority Data:
61/092,081 27.08.2008 US
Abstract: front page image
(EN)The invention pertains to the redistribution of cyclic and linear polysiloxanes by a method comprising contacting and heating a surfactant, wherein the surfactant is the salt of a protonated amine or a quaternary amine compound, an aqueous hydrochloric acid solution and a silicone, wherein the silicone is a silicon hydrolysate, D5, or DO. When the method of the invention is conducted with silicone hydrolysate, it eliminates the need to separate the silicone hydrolysate into its linear and cyclic constituents prior to redistribution.
(FR)La présente invention concerne la redistribution de polysiloxanes cycliques et linéaires par un procédé comprenant la mise en contact et le chauffage d’un tensioactif, où le tensioactif est le sel d’un composé d’amine protonée ou d’amine quaternaire, d’une solution aqueuse d’acide chlorhydrique et d’une silicone, où la silicone est un hydrolysat de silicium, D5, ou DO. Lorsque le procédé de l’invention est conduit avec un hydrolysat de silicone, cela élimine la nécessité de séparer l’hydrolysat de silicone en ses constituants linéaires et cycliques avant redistribution.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)