ES2188499T3 - Polimero linear opticamente activo utilizable como ligante en la preparacion de complejos metalicos destinados a la catalisis asimetrica. - Google Patents
Polimero linear opticamente activo utilizable como ligante en la preparacion de complejos metalicos destinados a la catalisis asimetrica.Info
- Publication number
- ES2188499T3 ES2188499T3 ES00900590T ES00900590T ES2188499T3 ES 2188499 T3 ES2188499 T3 ES 2188499T3 ES 00900590 T ES00900590 T ES 00900590T ES 00900590 T ES00900590 T ES 00900590T ES 2188499 T3 ES2188499 T3 ES 2188499T3
- Authority
- ES
- Spain
- Prior art keywords
- optically active
- binder
- preparation
- polymer used
- linear polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229920000642 polymer Polymers 0.000 title abstract 2
- 238000006555 catalytic reaction Methods 0.000 title 1
- VURFVHCLMJOLKN-UHFFFAOYSA-N diphosphane Chemical compound PP VURFVHCLMJOLKN-UHFFFAOYSA-N 0.000 abstract 4
- 239000000178 monomer Substances 0.000 abstract 2
- 125000000524 functional group Chemical group 0.000 abstract 1
- 230000000379 polymerizing effect Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G79/00—Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule
- C08G79/02—Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule a linkage containing phosphorus
- C08G79/06—Phosphorus linked to carbon only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/165—Polymer immobilised coordination complexes, e.g. organometallic complexes
- B01J31/1658—Polymer immobilised coordination complexes, e.g. organometallic complexes immobilised by covalent linkages, i.e. pendant complexes with optional linking groups, e.g. on Wang or Merrifield resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
- B01J31/2409—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring with more than one complexing phosphine-P atom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
- B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
- B01J31/2419—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring comprising P as ring member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J5/00—Devices or arrangements for controlling character selection
- B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
- B41J5/10—Arrangements of keyboards, e.g. key button disposition
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/16—Preparation of optical isomers
- C07C231/18—Preparation of optical isomers by stereospecific synthesis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/143—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of ketones
- C07C29/145—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of ketones with hydrogen or hydrogen-containing gases
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/147—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
- C07C29/149—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof with hydrogen or hydrogen-containing gases
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
- C07F9/5027—Polyphosphines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/60—Reduction reactions, e.g. hydrogenation
- B01J2231/64—Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
- B01J2231/641—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
- B01J2231/643—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of R2C=O or R2C=NR (R= C, H)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/60—Reduction reactions, e.g. hydrogenation
- B01J2231/64—Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
- B01J2231/641—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
- B01J2231/645—Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of C=C or C-C triple bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
- B01J2531/0261—Complexes comprising ligands with non-tetrahedral chirality
- B01J2531/0266—Axially chiral or atropisomeric ligands, e.g. bulky biaryls such as donor-substituted binaphthalenes, e.g. "BINAP" or "BINOL"
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/821—Ruthenium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/82—Metals of the platinum group
- B01J2531/822—Rhodium
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/16—Systems containing only non-condensed rings with a six-membered ring the ring being unsaturated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Catalysts (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Lubricants (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Polímero ópticamente activo, que puede ser obtenido por polimerización de una difosfina quiral con un eje de simetría C2, con la exclusión de cualquier otro elemento de simetría, con uno o varios monómeros polimerizables, estando constituida dicha difosfina quiral de un cuerpo quiral con dos grupos funcionales idénticos capaces de reaccionar con dichos monomeros polimerizables.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9902510A FR2790477B1 (fr) | 1999-03-01 | 1999-03-01 | Polymere lineaire optiquement actif utilisable comme ligand dans la preparation de complexes metalliques destines a la catalyse asymetrique |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2188499T3 true ES2188499T3 (es) | 2003-07-01 |
Family
ID=9542657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES00900590T Expired - Lifetime ES2188499T3 (es) | 1999-03-01 | 2000-01-14 | Polimero linear opticamente activo utilizable como ligante en la preparacion de complejos metalicos destinados a la catalisis asimetrica. |
Country Status (9)
Country | Link |
---|---|
US (1) | US6646106B1 (es) |
EP (1) | EP1161481B1 (es) |
JP (1) | JP4607337B2 (es) |
AT (1) | ATE229051T1 (es) |
AU (1) | AU3055000A (es) |
DE (1) | DE60000920T2 (es) |
ES (1) | ES2188499T3 (es) |
FR (1) | FR2790477B1 (es) |
WO (1) | WO2000052081A1 (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2789992B1 (fr) * | 1999-02-19 | 2001-05-25 | Rhodia Chimie Sa | Procede de preparation de diphosphines chirales utiles comme ligands dans la synthese de complexes destines a la catalyse asymetrique |
US20030135014A1 (en) * | 2001-11-26 | 2003-07-17 | Radu Nora S. | Polymeric, phosphorus-containing compositions and their use in hydrocyanation, isomerization and hydroformylation reactions |
US20070010695A1 (en) * | 2002-12-18 | 2007-01-11 | Marc Lemaire | Diphosphines, preparation and uses thereof |
FR2854405B1 (fr) * | 2003-04-29 | 2008-02-29 | Rhodia Chimie Sa | Diphosphines chirales sous forme insoluble; leur preparation et leurs utilisations comme ligands dans la synthese de complexes destines a la catalyse asymetrique. |
FR2854401A1 (fr) * | 2003-04-29 | 2004-11-05 | Rhodia Chimie Sa | Diphosphines chirales sous forme insoluble, leur preparation et leurs utilisations comme ligands dans la synthese de complexes destines a la catalyse asymetrique. |
US7402262B2 (en) * | 2003-10-24 | 2008-07-22 | Bar-Ilan University | Electroconductive polymers |
US7785496B1 (en) | 2007-01-26 | 2010-08-31 | Clemson University Research Foundation | Electrochromic inks including conducting polymer colloidal nanocomposites, devices including the electrochromic inks and methods of forming same |
CN106622376B (zh) * | 2016-12-08 | 2019-10-11 | 武汉凯特立斯科技有限公司 | 一种内烯烃的异构化与氢甲酰化反应方法和催化剂 |
CN113817157B (zh) * | 2021-09-28 | 2022-08-16 | 四川大学 | 一种半芳香族聚酰胺缩聚催化剂及其制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0728768B1 (de) * | 1995-02-24 | 2002-08-28 | Syngenta Participations AG | An Seitenketten von Polymeren gebundene Diphosphine und deren Metall-Komplexe |
JP3526956B2 (ja) * | 1995-03-13 | 2004-05-17 | 高砂香料工業株式会社 | 光学活性ポリケトンの製造方法 |
HRP960295A2 (en) * | 1995-07-06 | 1997-08-31 | Ciba Geigy Ag | Process for the hydrogenation of imines in the presence of immobilized iridium-diphosphine catalysts |
GB9619684D0 (en) * | 1996-09-20 | 1996-11-06 | Oxford Asymmetry Ltd | Phosphine ligands |
-
1999
- 1999-03-01 FR FR9902510A patent/FR2790477B1/fr not_active Expired - Lifetime
-
2000
- 2000-01-14 US US09/914,613 patent/US6646106B1/en not_active Expired - Lifetime
- 2000-01-14 WO PCT/FR2000/000082 patent/WO2000052081A1/fr active IP Right Grant
- 2000-01-14 JP JP2000602702A patent/JP4607337B2/ja not_active Expired - Lifetime
- 2000-01-14 EP EP00900590A patent/EP1161481B1/fr not_active Expired - Lifetime
- 2000-01-14 ES ES00900590T patent/ES2188499T3/es not_active Expired - Lifetime
- 2000-01-14 AT AT00900590T patent/ATE229051T1/de not_active IP Right Cessation
- 2000-01-14 DE DE60000920T patent/DE60000920T2/de not_active Expired - Lifetime
- 2000-01-14 AU AU30550/00A patent/AU3055000A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US6646106B1 (en) | 2003-11-11 |
ATE229051T1 (de) | 2002-12-15 |
EP1161481B1 (fr) | 2002-12-04 |
JP4607337B2 (ja) | 2011-01-05 |
DE60000920D1 (de) | 2003-01-16 |
WO2000052081A1 (fr) | 2000-09-08 |
FR2790477B1 (fr) | 2001-05-25 |
JP2002538249A (ja) | 2002-11-12 |
AU3055000A (en) | 2000-09-21 |
DE60000920T2 (de) | 2003-12-04 |
FR2790477A1 (fr) | 2000-09-08 |
EP1161481A1 (fr) | 2001-12-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE540706T1 (de) | Methacrylat-copolymere für medizinprodukte | |
ES2188499T3 (es) | Polimero linear opticamente activo utilizable como ligante en la preparacion de complejos metalicos destinados a la catalisis asimetrica. | |
MX2010004400A (es) | Polimeros de multiples brazos dirigidos a la hidroxiapatita y conjugados de estos. | |
AU2007216998A8 (en) | Segmented degradable polymers and conjugates made therefrom | |
WO2006003014A3 (en) | Hydrogel polymeric conjugates of a prodrug | |
ID21656A (id) | Polimerisasi etilena | |
ATE465699T1 (de) | Stent | |
DK1313453T3 (da) | Partikelformige bærere til at forbedre oral absorbtion af aktive stoffer | |
WO2006089119A3 (en) | Biological adhesive | |
ATE489058T1 (de) | Bandscheiben-nucleus-pulposus-implantat | |
DE60202706D1 (de) | Monomer mit elektronenabziehender und elektronenabgebender Gruppe, und Copolymer und dieses enthaltende protonenleitende Membran | |
BR0307153A (pt) | Copolìmero, polìmero de poliuretano e filamento de spandex | |
WO2003008555A3 (en) | Cellular targeting poly(ethylene glycol)-grafted polymeric gene carrier | |
BR0014703A (pt) | Dispersão polimérica aquosa, processo para preparação da mesma, substrato ligado, e, uso de uma dispersão polimérica aquosa | |
ATE548347T1 (de) | Trägerampholyte mit hohem ph-wert-bereich | |
ATE291039T1 (de) | Olefinpolymerisation | |
DE60107807D1 (de) | Polymere, ihre herstellung und verwendung | |
ATE387465T1 (de) | Mit ch-aciden cyclischen ketonen blockierte polyurethan prepolymere, daraus hergestellte reaktivsysteme, deren herstellung und verwendung | |
ATE469936T1 (de) | Modifiziertes polymer und modifizierte polymermembran | |
DE60227360D1 (de) | Tz-release-eigenschaften zu verleihen | |
DE60129045D1 (de) | Superabsorbierende polymere fasern | |
WO2007013122A8 (en) | Haemofilters for blood detoxification | |
BR0206452A (pt) | Composição e método de tratamento de tecido, e, uso de uma composição | |
ATE520730T1 (de) | Beständige hydrophile formbare polymerzusammensetzung, wässrige flüssigkeitskanäle auf basis dieser zusammensetzung, mikrofluidisches system mit diesen kanälen und herstellungsverfahren dafür | |
BRPI0518515A2 (pt) | copolÍmero em bloco, processo para a preparaÇço de copolÍmeros em bloco, e, polÍmero em bloco |