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1. (WO2018015424) CONTROL OF ADHESIVE DOMAINS
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.:    WO/2018/015424    International Application No.:    PCT/EP2017/068212
Publication Date: 25.01.2018 International Filing Date: 19.07.2017
IPC:
A61K 9/70 (2006.01), C09J 183/10 (2006.01), C09J 143/04 (2006.01), C09J 151/08 (2006.01), C09J 7/02 (2006.01), C08G 77/20 (2006.01)
Applicants: LTS LOHMANN THERAPIE-SYSTEME AG [DE/DE]; Lohmannstraße 2 56626 Andernach (DE)
Inventors: EMGENBROICH, Marco; (DE)
Agent: EHLICH, Eva; MAIWALD PATENTANWALTS GMBH Elisenhof / Elisenstraße 3 80335 Munich (DE)
Priority Data:
16180813.4 22.07.2016 EP
Title (EN) CONTROL OF ADHESIVE DOMAINS
(FR) CONTRÔLE DE DOMAINES ADHÉSIFS.
Abstract: front page image
(EN)A method of inverting the phase arrangement of the silicone phase and the acrylic phase in a silicone acrylic hybrid composition, the silicone acrylic hybrid composition comprising: a) a silicone acrylic hybrid pressure sensitive adhesive, and b) a solvent, wherein the phase arrangement of the silicone phase and the acrylic phase in the initial silicone acrylic hybrid composition forming a continuous external phase and a discontinuous internal phase is determined by the solvent, comprising the step of adding an activator to the silicone acrylic hybrid composition, wherein the activator a) is liquid at 20°C and 1013 mbar, b) has a boiling point which is higher than the boiling point of the solvent and/or has a vapor pressure at 20°C which is lower than the vapor pressure of the solvent contained in the silicone acrylic hybrid composition, and c) provides better dissolution properties for the inner phase of the initial silicone acrylic hybrid composition than the solvent contained in the silicone acrylic hybrid composition.
(FR)L'invention porte sur un procédé d'inversion de la phase de silicone, et de la phase acrylique, dans une composition hybride de silicone-acrylique. La composition hybride comprend a) un adhésif hybride silicone-acrylique sensible à la pression, et b) un solvant, de la phase de silicone et de la phase acrylique, dans la composition hybride de silicone-acrylique initiale. Elle forme une phase externe continue et une phase interne discontinue déterminée par le solvant. L'étape consiste à ajouter un activateur à la composition hybride silicone-acrylique. L'activateur a) est liquide à 20 °C et à 1013 mbar, b) a un point d'ébullition qui est supérieur au point d'ébullition du solvant, et/ou a une pression de vapeur de 20 °C, qui est inférieure à la pression de vapeur du solvant contenu dans la composition hybride de silicone acrylique, et c) offre une meilleures dissolution pour la phase interne de la composition hybride silicone-acrylique initiale que le solvant contenu dans la composition hybride silicone-acrylique.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, 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, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)