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1. (WO2007004777) POLY(3-HYDROXYALKANOATE) BLOCK COPOLYMER HAVING SHAPE MEMORY EFFECT
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/004777 International Application No.: PCT/KR2005/004439
Publication Date: 11.01.2007 International Filing Date: 22.12.2005
IPC:
C08F 293/00 (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
293
Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
Applicants:
LG CHEM, LTD. [KR/KR]; 20, Yoido-dong, Youngdungpo-gu Seoul 150-721, KR (AllExceptUS)
RHEE, Young Ha [KR/KR]; KR (UsOnly)
KIM, Young Baek [KR/KR]; KR (UsOnly)
CHUNG, Chungwook [KR/KR]; KR (UsOnly)
YOON, Jooseog [KR/KR]; KR (UsOnly)
Inventors:
RHEE, Young Ha; KR
KIM, Young Baek; KR
CHUNG, Chungwook; KR
YOON, Jooseog; KR
Agent:
SOHN, Chang Kyu; 1403, Seongji Heights 2-cha Bldg. 642-16, Yoksam 1-dong, Kangnam-gu Seoul 135-910, KR
Priority Data:
10-2005-005990704.07.2005KR
Title (EN) POLY(3-HYDROXYALKANOATE) BLOCK COPOLYMER HAVING SHAPE MEMORY EFFECT
(FR) COPOLYMÈRE BLOC POLY(3-HYDROXYALCANOATE) À MÉMOIRE DE FORME
Abstract:
(EN) Provided is a PHB block copolymer having orientation-induced rubber- elasticity and temperature-sensitive shape memory effects, comprising a plurality of 3- hydroxybutyrate (3HB) blocks as a repeating unit and a plurality of 3-hydroxyvalerate (3HV) blocks as a repeating unit, and optionally a hydroxy acid repeating group containing 6 or more carbon atoms. The PHA block copolymer exhibits orientation-induced rubber-elasticity and shape memory effects with a fast shape-recovery rate, and therefore such characteristics in conjunction with physical properties such as biodegradability and biocompatibility unique to PHA enable application thereof to a variety of uses.
(FR) L'invention concerne un copolymère bloc PHB présentant une élasticité caoutchoutique induite par l'orientation et une mémoire de forme sensible à la température. Ce copolymère comprend une pluralité de blocs de 3-hydroxybutyrate (3HB) sous forme d'unité récurrente et une pluralité de blocs de 3-hydroxyvalérate (3HV) sous forme d'unité récurrente et éventuellement un groupe récurrent acide hydroxy contenant au moins 6 de atomes de carbone. Le copolymère bloc PHA présente une élasticité caoutchoutique induite par l'orientation et une mémoire de forme avec un taux de récupération rapide. Ces caractéristiques conjointement avec des propriétés physiques, telles que la biodégradabilité et la biocompatibilité, typiques du PHA, permettent de l'appliquer à diverses utilisations.
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Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (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, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, 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)
Also published as:
KR1020080032029JP2009500468US20080241899