ES8307843A1 - Un procedimiento para la preparacion de un polimero-vivo. - Google Patents
Un procedimiento para la preparacion de un polimero-vivo.Info
- Publication number
- ES8307843A1 ES8307843A1 ES513604A ES513604A ES8307843A1 ES 8307843 A1 ES8307843 A1 ES 8307843A1 ES 513604 A ES513604 A ES 513604A ES 513604 A ES513604 A ES 513604A ES 8307843 A1 ES8307843 A1 ES 8307843A1
- Authority
- ES
- Spain
- Prior art keywords
- living
- polymers
- preparation
- organosilicon
- initiators
- 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
Links
- 229920000642 polymer Polymers 0.000 title abstract 3
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 abstract 1
- 229910052732 germanium Inorganic materials 0.000 abstract 1
- 239000003999 initiator Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000178 monomer Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/12—Esters of monohydric alcohols or phenols
- C08F20/14—Methyl esters, e.g. methyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/72—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from metals not provided for in group C08F4/44
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F293/00—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
- C08F293/005—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 using free radical "living" or "controlled" polymerisation, e.g. using a complexing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/06—Metallic compounds other than hydrides and other than metallo-organic compounds; Boron halide or aluminium halide complexes with organic compounds containing oxygen
- C08F4/12—Metallic compounds other than hydrides and other than metallo-organic compounds; Boron halide or aluminium halide complexes with organic compounds containing oxygen of boron, aluminium, gallium, indium, thallium or rare earths
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Polymerization Catalysts (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Graft Or Block Polymers (AREA)
- Polymerisation Methods In General (AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE POLIMEROS _(VIVOS , DE FORMULA (I), EN LA QUE M ES SILICIO, ESTAÑO O GERMANIO; X, Y, Z , R Y R>1 PUEDEN SER VARIOS TIPOS DE RADICALES Y A Y B VALEN DE 0 A 10000. CONSISTE EN LA REACCION DE POLIMERIZACION DE LOS MONOMEROS DE FORMULAS (II), (III) Y SUS MEZCLAS, EN PRESENCIA DE UN INICIADOR DE FORMULA (R>1)<3MZ, EN LAS QUE Z ES UNO DE VARIOS SUSTITUYENTES ACTIVANTES Y LOS DEMAS SIMBOLOS TIENEN LOS MISMOS SIGNIFICADOS QUE EN LA FORMULA (I), Y DE UN CATALIZADOR, QUE ES FUENTE DE IONES FLUORURO, CIANURO, AZIDA O BIFLUORURO O UN ACIDO DE LEWIS. ESTOS POLIMEROS TIENEN APLICACIONES COMO INTERMEDIOS PARA LA FABRICACION DE PLASTIFICANTES, PESTICIDAS AGRICOLAS, MEDICAMENTOS, PERFUMES Y EN LA FABRICACION DE ALIMENTOS.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27902581A | 1981-06-30 | 1981-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES8307843A1 true ES8307843A1 (es) | 1983-08-01 |
| ES513604A0 ES513604A0 (es) | 1983-08-01 |
Family
ID=23067360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES513604A Granted ES513604A0 (es) | 1981-06-30 | 1982-06-30 | Un procedimiento para la preparacion de un polimero-vivo. |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4681918A (es) |
| EP (2) | EP0068887B1 (es) |
| JP (1) | JPS5813603A (es) |
| KR (1) | KR890004083B1 (es) |
| AR (1) | AR241118A1 (es) |
| AT (1) | ATE53593T1 (es) |
| AU (1) | AU565180B2 (es) |
| BR (1) | BR8203809A (es) |
| DE (2) | DE3273440D1 (es) |
| DK (1) | DK165456C (es) |
| ES (1) | ES513604A0 (es) |
| GB (1) | GB2102818A (es) |
| HK (2) | HK47987A (es) |
| MX (1) | MX174590B (es) |
| NO (1) | NO158627C (es) |
| SG (1) | SG22387G (es) |
| ZA (1) | ZA824678B (es) |
| ZW (1) | ZW13282A1 (es) |
Families Citing this family (56)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3461810D1 (en) * | 1983-05-20 | 1987-02-05 | Allied Colloids Ltd | Water soluble polymers |
| ES8607367A1 (es) * | 1983-11-07 | 1986-06-16 | Du Pont | Un procedimiento para fabricar una composicion de recubrimiento a base de polimeros hechos de monomeros alfaolefinicos polares. |
| US4544724A (en) * | 1984-06-19 | 1985-10-01 | E. I. Du Pont De Nemours And Company | Silylated vinyl alcohol polymers |
| DE3574260D1 (en) * | 1984-07-05 | 1989-12-21 | Du Pont | Acrylic star polymers |
| GB8419805D0 (en) * | 1984-08-03 | 1984-09-05 | Allied Colloids Ltd | Aqueous drilling and packer fluids |
| JPH0618808B2 (ja) * | 1984-10-08 | 1994-03-16 | 日本合成ゴム株式会社 | ビニル系重合体の製法 |
| AU581417B2 (en) * | 1984-11-16 | 1989-02-23 | Ciba Specialty Chemicals Water Treatments Limited | Water soluble polymers and dispersions containing them |
| US4780554A (en) * | 1984-11-20 | 1988-10-25 | Union Carbide Corporation | O-silylated ketene acetals and enol ethers and method of preparation |
| US4656233A (en) * | 1984-11-29 | 1987-04-07 | E. I. Du Pont De Nemours And Company | "Living" polymers and chain transfer-regulated polymerization process |
| US4605716A (en) * | 1985-02-14 | 1986-08-12 | E. I. Du Pont De Nemours And Company | Lewis base-catalyzed polymerization |
| AU595503B2 (en) * | 1985-03-01 | 1990-04-05 | E.I. Du Pont De Nemours And Company | Polymer life enhancement in oxyanion-catalyzed polymerization |
| US4588795A (en) * | 1985-03-01 | 1986-05-13 | E. I. Du Pont De Nemours And Company | Oxyanion-catalyzed polymerization |
| US5110869A (en) * | 1986-05-29 | 1992-05-05 | E. I. Du Pont De Nemours And Company | β-(keto or sulfonyl)esters from reaction of silyketene acetal and acyl or sulfonyl compound |
| US4983679A (en) * | 1986-05-29 | 1991-01-08 | E. I. Dupont De Nemours And Company | β-(keto or sulfonyl)esters from reaction of silylketene acetal and acyl or sulfonyl compound |
| US5260424A (en) * | 1986-05-29 | 1993-11-09 | E. I. Du Pont De Nemours And Company | B-(keto or sulfonyl) esters from reaction of silylketene acetal and acyl or sulfonyl compound |
| US4822859A (en) * | 1986-06-10 | 1989-04-18 | E. I. Du Pont De Nemours And Company | Group transfer polymerization and initiators therefor |
| US4957973A (en) * | 1986-07-08 | 1990-09-18 | E. I. Du Pont De Nemours And Company | Uncatalyzed process for preparing "living" polymers |
| US4728706A (en) * | 1986-08-29 | 1988-03-01 | E. I. Du Pont De Nemours And Company | Titanium, zirconium- and hafnium containing initiators in the polymerization of acrylic monomers to "living" polymers |
| US4732955A (en) * | 1986-09-29 | 1988-03-22 | E. I. Du Pont De Nemours And Company | Group transfer polymerization catalyzed by mercury compounds |
| AU7895387A (en) * | 1986-09-29 | 1988-03-31 | E.I. Du Pont De Nemours And Company | Living polymers from unsaturated si, sn or ge initiators |
| US4806605A (en) * | 1987-01-27 | 1989-02-21 | E. I. Du Pont De Nemours And Company | Monomers and initiators for group transfer polymerization |
| GB8705277D0 (en) * | 1987-03-06 | 1987-04-08 | Jenkins A D | Preparing graft copolymers |
| EP0295401A3 (de) * | 1987-04-30 | 1990-03-21 | Wacker-Chemie Gmbh | Verfahren zur Polymerisation von polaren Verbindungen |
| US4771116A (en) * | 1987-04-30 | 1988-09-13 | E. I. Du Pont De Nemours And Company | Silylamines as additives in group transfer polymerization |
| US4845156A (en) * | 1987-12-21 | 1989-07-04 | E. I. Du Pont De Nemours And Company | Preparation of macromonomers |
| GB8730131D0 (en) * | 1987-12-24 | 1988-02-03 | Ici Plc | Catalysts |
| US5019634A (en) * | 1988-02-16 | 1991-05-28 | E. I. Du Pont De Nemours And Company | Group transfer living polymer grafted to an initiator support |
| GB8803764D0 (en) * | 1988-02-18 | 1988-03-16 | Ici Plc | Polymerisation process |
| GB8803765D0 (en) * | 1988-02-18 | 1988-03-16 | Ici Plc | Polymerisation process |
| US4866145A (en) * | 1988-04-01 | 1989-09-12 | E. I. Du Pont De Nemours And Company | Catalyst for group transfer polymerization |
| US4943648A (en) * | 1988-04-01 | 1990-07-24 | E. I. Du Pont De Nemours And Company | Initiators for group transfer polymerization |
| US5021524A (en) * | 1988-04-14 | 1991-06-04 | E. I. Du Pont De Nemours And Company | Initiator for group transfer polymerization |
| US5187244A (en) * | 1988-07-22 | 1993-02-16 | Mitsubishi Rayon Co., Ltd. | Preparation process of block copolymers and resulting block copolymers |
| JPH02140211A (ja) * | 1988-11-22 | 1990-05-29 | Nippon Oil & Fats Co Ltd | 分子内にペルオキシ給合を有するマレイミド系共重合体 |
| US4906713A (en) * | 1989-01-31 | 1990-03-06 | E. I. Du Pont De Nemours And Company | "Acrylic" ladder polymers |
| US4939211A (en) * | 1989-03-01 | 1990-07-03 | E. I. Du Pont De Nemours And Company | Phosphonate-capped polymers |
| US4978723A (en) * | 1989-03-01 | 1990-12-18 | E. I. Du Pont De Nemours And Company | Phosphonate-capped polymers |
| GB8914575D0 (en) * | 1989-06-24 | 1989-08-16 | Ici Plc | Catalysts |
| GB8914574D0 (en) * | 1989-06-24 | 1989-08-16 | Ici Plc | Catalysts |
| FR2649400B1 (fr) * | 1989-07-10 | 1993-01-08 | Norsolor Sa | Copolymeres en etoile et leur procede de fabrication |
| US5314960A (en) * | 1990-04-10 | 1994-05-24 | Permeable Technologies, Inc. | Silicone-containing polymers, oxygen permeable hydrophilic contact lenses and methods for making these lenses and treating patients with visual impairment |
| US5244981A (en) * | 1990-04-10 | 1993-09-14 | Permeable Technologies, Inc. | Silicone-containing contact lens polymers, oxygen permeable contact lenses and methods for making these lenses and treating patients with visual impairment |
| US5371147A (en) * | 1990-10-11 | 1994-12-06 | Permeable Technologies, Inc. | Silicone-containing acrylic star polymers, block copolymers and macromonomers |
| US5206295A (en) * | 1991-02-25 | 1993-04-27 | E. I. Du Pont De Nemours And Company | Coating composition comprising an anhydride-containing polymer and a structured epoxy-containing polymer |
| EP0618956B1 (en) * | 1991-12-23 | 2001-07-11 | Albemarle Corporation | Polyfunctional michael addition products and refrigeration compositions containing such products |
| GB2278355B (en) * | 1993-05-28 | 1997-02-26 | Kansai Paint Co Ltd | Acrylic-modified epoxy-polyamine resins |
| US6943203B2 (en) | 1998-03-02 | 2005-09-13 | Johnson & Johnson Vision Care, Inc. | Soft contact lenses |
| US7619040B2 (en) * | 2002-02-15 | 2009-11-17 | Ppg Industries Ohio, Inc. | Compositions containing copolymers of olefinic monomers |
| US6784248B2 (en) * | 2002-02-15 | 2004-08-31 | Ppg Industries Ohio, Inc. | Thermosetting compositions containing alternating copolymers of isobutylene type monomers |
| US20040143079A1 (en) * | 2003-01-21 | 2004-07-22 | Simion Coca | Compositions containing copolymers of isobutylene type monomers |
| WO2007008575A1 (en) * | 2005-07-13 | 2007-01-18 | L'oreal | Cosmetic compositions containing liposoluble polymers and tackifiers |
| US7884158B2 (en) * | 2005-09-06 | 2011-02-08 | L'Oré´al | Cosmetic compositions containing block copolymers, tackifiers and phenylated silicones |
| WO2017162334A1 (en) * | 2016-03-22 | 2017-09-28 | Technische Universität München | Polymerization of michael-type monomers |
| EP3502094A1 (de) | 2017-12-21 | 2019-06-26 | Covestro Deutschland AG | Verfahren zur herstellung von telechelen polyolen aus trithiocarbonaten |
| TWI684607B (zh) * | 2018-09-20 | 2020-02-11 | 國立清華大學 | 嵌段共聚物及其製備方法 |
| JP7321185B2 (ja) * | 2018-11-15 | 2023-08-04 | 住友化学株式会社 | 成形体及びその製造方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1057998A (en) * | 1964-11-09 | 1967-02-08 | Kurashiki Rayon Kk | Process for the production of poly (methyl methacrylate) |
| NL7113482A (es) * | 1971-10-01 | 1973-04-03 | ||
| US3940402A (en) * | 1974-09-19 | 1976-02-24 | E. I. Dupont De Nemours And Company | Tris(substituted amino) sulfonium salts |
| JPS5837321B2 (ja) * | 1978-04-19 | 1983-08-16 | 東ソー株式会社 | アニオン重合方法 |
| US4413084A (en) * | 1980-10-23 | 1983-11-01 | Ford Motor Company | Paint composition comprising hydroxy functional film former and improved stabilized flow control additive |
| US4396680A (en) * | 1981-03-04 | 1983-08-02 | E. I. Du Pont De Nemours And Co. | Substrate coated with crater resistant acrylic enamel |
| US4351924A (en) * | 1981-03-16 | 1982-09-28 | E. I. Du Pont De Nemours And Company | ω-, and α,ω-Hydroxyhydrocarbyl-(alkyl methacrylate) polymers and process |
| US4417034A (en) * | 1981-06-30 | 1983-11-22 | E. I. Du Pont De Nemours & Co. | Living polymers and process for their preparation |
| US4598161A (en) * | 1983-04-04 | 1986-07-01 | E. I. Du Pont De Nemours And Company | Tris(dialkylamino)sulfonium bifluoride catalysts |
-
1981
- 1981-11-21 US US06/673,926 patent/US4681918A/en not_active Expired - Lifetime
-
1982
- 1982-06-29 NO NO822230A patent/NO158627C/no unknown
- 1982-06-29 DE DE8282303405T patent/DE3273440D1/de not_active Expired
- 1982-06-29 DE DE8585201447T patent/DE3280190D1/de not_active Expired - Lifetime
- 1982-06-29 JP JP57110922A patent/JPS5813603A/ja active Granted
- 1982-06-29 GB GB08218808A patent/GB2102818A/en not_active Withdrawn
- 1982-06-29 AU AU85442/82A patent/AU565180B2/en not_active Expired
- 1982-06-29 KR KR8202894A patent/KR890004083B1/ko not_active Expired
- 1982-06-29 MX MX193368A patent/MX174590B/es unknown
- 1982-06-29 AT AT85201447T patent/ATE53593T1/de active
- 1982-06-29 DK DK292682A patent/DK165456C/da not_active IP Right Cessation
- 1982-06-29 EP EP82303405A patent/EP0068887B1/en not_active Expired
- 1982-06-29 EP EP85201447A patent/EP0184863B1/en not_active Expired - Lifetime
- 1982-06-30 ES ES513604A patent/ES513604A0/es active Granted
- 1982-06-30 AR AR289857A patent/AR241118A1/es active
- 1982-06-30 BR BR8203809A patent/BR8203809A/pt not_active IP Right Cessation
- 1982-06-30 ZA ZA824678A patent/ZA824678B/xx unknown
- 1982-06-30 ZW ZW132/82A patent/ZW13282A1/xx unknown
-
1987
- 1987-03-04 SG SG223/87A patent/SG22387G/en unknown
- 1987-06-18 HK HK479/87A patent/HK47987A/en not_active IP Right Cessation
-
1990
- 1990-10-03 HK HK804/90A patent/HK80490A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB2102818A (en) | 1983-02-09 |
| EP0068887A1 (en) | 1983-01-05 |
| AR241118A2 (es) | 1991-11-15 |
| AU8544282A (en) | 1983-01-06 |
| ZW13282A1 (en) | 1982-09-29 |
| DK292682A (da) | 1982-12-31 |
| ATE53593T1 (de) | 1990-06-15 |
| US4681918A (en) | 1987-07-21 |
| KR840000588A (ko) | 1984-02-25 |
| EP0184863A2 (en) | 1986-06-18 |
| EP0184863B1 (en) | 1990-06-13 |
| AU565180B2 (en) | 1987-09-10 |
| JPH0579685B2 (es) | 1993-11-04 |
| KR890004083B1 (ko) | 1989-10-20 |
| ZA824678B (en) | 1984-03-28 |
| MX174590B (es) | 1994-05-27 |
| EP0068887B1 (en) | 1986-09-24 |
| ES513604A0 (es) | 1983-08-01 |
| SG22387G (en) | 1987-07-10 |
| NO158627B (no) | 1988-07-04 |
| BR8203809A (pt) | 1983-07-05 |
| NO158627C (no) | 1988-10-12 |
| DK165456B (da) | 1992-11-30 |
| EP0184863A3 (en) | 1986-10-22 |
| NO822230L (no) | 1983-01-03 |
| DE3273440D1 (en) | 1986-10-30 |
| DE3280190D1 (de) | 1990-07-19 |
| JPS5813603A (ja) | 1983-01-26 |
| DK165456C (da) | 1993-04-19 |
| HK47987A (en) | 1987-06-26 |
| AR241118A1 (es) | 1991-11-15 |
| HK80490A (en) | 1990-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES8307843A1 (es) | Un procedimiento para la preparacion de un polimero-vivo. | |
| AU589648B2 (en) | Water-soluble or water-dispersible graft polymers, process for their preparation and the use thereof | |
| AU7895387A (en) | Living polymers from unsaturated si, sn or ge initiators | |
| FI871900L (fi) | Foerfarande foer polymerisation av fluorerade monomerer i vattendispersion. | |
| NO855208L (no) | Fremgangsmaate ved fremstilling av frittstroemmende, reagglomereringsresistente polymerpartikler. | |
| ZA803599B (en) | Method for cross linking polymers,polymer compositions and uses thereof | |
| ES8607367A1 (es) | Un procedimiento para fabricar una composicion de recubrimiento a base de polimeros hechos de monomeros alfaolefinicos polares. | |
| DE2962599D1 (en) | Process for polymerising methylmethacrylate, lamina produced from this polymer and its use | |
| DE3172522D1 (en) | Vinyl-substituted 2,2'-bipyridines, polymers prepared therefrom, their preparation and their use | |
| DE3279072D1 (en) | Polymerisable monomers, polymer dispersions and derived paints | |
| FI906024A0 (fi) | Foerfarande foer att minska uppbyggnad av polymer i vaermevaexlare under polymerisation av alfa-olefiner. | |
| NO881728L (no) | Fremgangsmaate for fremstilling av tverrbundne polymerpartikler. | |
| ES8405815A1 (es) | Procedimiento para la sintesis de iniciadores anionicos multifuncionales. | |
| FI885463L (fi) | Nya katalysatorer foer polymerisation av olefiner. | |
| AU605338B2 (en) | Functionalized polymers and process for the preparation thereof | |
| AR244756A1 (es) | Nuevos monomeros y polimeros coloreados, procedimiento de preparacion de dichos polimeros y procedimiento de separacion de sustancias biologicamente activas mediante el uso de dichos polimeros. | |
| IT7923754A0 (it) | Procedimento e composizioni catalitiche per la preparazione di polimeri o copolimeri di alfa-olefine presentanti un alto indice di isotatticita'. | |
| GB8927544D0 (en) | Process for polymerizing oxanorbornenes and polymers obtainable by the process | |
| DE2965329D1 (en) | Silicon-containing graft polymers, process for their preparation and their use | |
| DE3063471D1 (en) | Process for preparing polymers that contain imide groups and that are modified with silicon, and the polymers obtained by this process | |
| BE883309A (fr) | Procede pour la preparation de polymeres greffes de beta-propiolactones alpha, alpha' -disubstituees | |
| FI893621L (fi) | Foerfarande foer framstaellning av katalysatorkomponenter foer polymerisation av polyeten med relativt smal molekylviktsfoerdelning. | |
| NO884162L (no) | Fremgangsmaate for fremstilling av polymerpartikler. | |
| FI890187A7 (fi) | Menetelmä hydroksialkyloivien yhdisteiden valmistamiseksi, näin saadut uudet yhdisteet ja niiden käyttö. | |
| DE3163895D1 (en) | Process for preparing polymer dispersions, and their use |