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[Parsed Query:ID:"WO2012091965"
, No hits:1
, QUERY:ID:"WO2012091965" STEMMING:null OFFICES:
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]
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PATENTSCOPE
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1. (WO2012091965) ELECTROCHEMICALLY MEDIATED ATOM TRANSFER RADICAL POLYMERIZATION
PCT Biblio. Data
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Latest bibliographic data on file with the International Bureau
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Pub. No.:
WO/2012/091965
International Application No.:
PCT/US2011/065578
Publication Date:
05.07.2012
International Filing Date:
16.12.2011
IPC:
C08F 4/40
(2006.01)
C
CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
F
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
4
Polymerisation catalysts
40
Redox systems
Applicants:
CARNEGIE MELLON UNIVERSITY
[US/US]; 5000 Forbes Avenue Pittsburgh, PA 15213 (US)
(For All Designated States Except US)
.
MATYJASZEWSKI, Krzysztof
[US/US]; (US)
(For US Only)
.
BORTOLAMEI, Nicola
[IT/IT]; (IT)
(For US Only)
.
MAGENAU, Andrew
[US/US]; (US)
(For US Only)
.
GENNARO, Armando
[IT/IT]; (IT)
(For US Only)
.
ISSE, Abdirisak Ahmed
[IT/IT]; (IT)
(For US Only)
Inventors:
MATYJASZEWSKI, Krzysztof
; (US).
BORTOLAMEI, Nicola
; (IT).
MAGENAU, Andrew
; (US).
GENNARO, Armando
; (IT).
ISSE, Abdirisak Ahmed
; (IT)
Agent:
KENT, Joseph, L.
; K&L Gates LLP K&L Gates Center 210 Sixth Avenue Pittsburgh, PA 15222-2613 (US)
Priority Data:
61/574,890
11.08.2011
US
61/459,724
17.12.2010
US
Title
(EN)
ELECTROCHEMICALLY MEDIATED ATOM TRANSFER RADICAL POLYMERIZATION
(FR)
POLYMÉRISATION RADICALAIRE PAR TRANSFERT D'ATOMES À MÉDIATION ÉLECTROCHIMIQUE
Abstract:
(EN)
Electrochemical reduction of an exemplary
ATRP
catalyst, Cu
II
Br
2
/Me
6
TREN, is shown to be an efficient process to mediate and execute an
ATRP
. The onset of polymerization occurs only through passage of a cathodic current achieved under a reductive potential to form Cu
I
Br
2
/Me
6
TREN, within the reaction medium. Unprecedented control over the polymerization kinetics can be attained through electrochemical methods by modulating the magnitude of the applied potential allowing polymerization rate enhancement or retardation. Additional polymerization control is gained through electrochemical "dials" allowing polymerization rate enhancements achieved by larger applied potentials and the ability to successfully switch a polymerization "on" and "off between dormant and active states by application of multistep intermittent potentials.
(FR)
Selon l'invention, la réduction électrochimique d'un catalyseur de polymérisation radicalaire par transfert d'atomes (
ATRP
), donnée en exemple, de formule Cu
II
Br
2
/Me
6
TREN, est un procédé efficace de médiation et d'exécution d'une
ATRP
. Le début de polymérisation n'a lieu que sous l'effet du passage d'un courant cathodique atteint sous un potentiel réducteur pour former du Cu
I
Br
2
/Me
6
TREN dans le milieu réactionnel. Le réglage sans précédent de la cinétique de polymérisation peut être obtenu grâce à des procédés électrochimiques, par modulation de la grandeur du potentiel appliqué, ce qui permet l'amélioration ou la décélération de la vitesse de polymérisation. Un réglage supplémentaire de la polymérisation est obtenu par des « boutons » électrochimiques qui permettent des améliorations de la vitesse de polymérisation par l'application de plus grands potentiels et par la possibilité de mettre en marche ou d'arrêter avec succès la polymérisation, passant d'états dormants à des états actifs, par l'application de potentiels intermittents en plusieurs étapes.
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, QA, RO, RS, RU, RW, 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 Org. (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (EAPO) (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (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 (OAPI) (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language:
English (EN)
Filing Language:
English (EN)