BRPI0602347A - dendrìmeros de polìmeros de borracha - Google Patents
dendrìmeros de polìmeros de borrachaInfo
- Publication number
- BRPI0602347A BRPI0602347A BRPI0602347-9A BRPI0602347A BRPI0602347A BR PI0602347 A BRPI0602347 A BR PI0602347A BR PI0602347 A BRPI0602347 A BR PI0602347A BR PI0602347 A BRPI0602347 A BR PI0602347A
- Authority
- BR
- Brazil
- Prior art keywords
- silicon
- terminated
- polymer
- containing compound
- halogenated
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/30—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule
- C08C19/42—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups
- C08C19/44—Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with metals or metal-containing groups of polymers containing metal atoms exclusively at one or both ends of the skeleton
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0016—Compositions of the tread
-
- 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
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/002—Dendritic macromolecules
- C08G83/003—Dendrimers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/005—Dendritic macromolecules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L15/00—Compositions of rubber derivatives
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Silicon Polymers (AREA)
- Tires In General (AREA)
Abstract
"DENDRìMEROS DE POLìMEROS DE BORRACHA". A presente invenção se refere a um processo para sintetizar um dendrímero de um polímero de borracha compreendendo: (a) reação de um polímero de borracha terminado com lítio com um composto contendo silício halogenado para produzir um polímero que é terminado com porções de silício halogenado, em que o composto contendo silício halogenado tem pelo menos quatro átomos de halogênio que estão ligados diretamente aos átomos de silício, em que a razão molar do polímero de borracha terminado em lítio para os átomos de halogênio no composto contendo silício halogenado está dentro da faixa de 2:n a (n-1) :n, em que n representa o número de átomos de halogênio que estão ligados diretamente aos átomos de silício no composto contendo silício halogenado, em que o composto contendo silício halogenado tem pelo menos três átomos de halogênio que estão ligados diretamente ao átomo de silício; (b) reação do polímero que é terminado com porções de silício halogenado com um excesso molar de álcool terciário para produzir um polímero que é terminado com porções hidróxi silila; e (c) deixar o polímero que é terminado com porções hidróxi silila para acoplar sob condições suficientes para produzir um dendrímero contendo ligações siloxano. Também foi descoberto que dendrímeros similares tendo processabilidade aperfeiçoada podem ser feitos utilizando compostos contendo estanho halogenado em substituição ao composto contendo silício halogenado.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/176,457 US7612147B2 (en) | 2005-07-07 | 2005-07-07 | Dendrimers of rubbery polymers |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0602347A true BRPI0602347A (pt) | 2007-03-20 |
Family
ID=37027818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0602347-9A BRPI0602347A (pt) | 2005-07-07 | 2006-06-26 | dendrìmeros de polìmeros de borracha |
Country Status (4)
Country | Link |
---|---|
US (3) | US7612147B2 (pt) |
EP (1) | EP1741724A3 (pt) |
JP (1) | JP2007016240A (pt) |
BR (1) | BRPI0602347A (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7279531B1 (en) | 2007-03-05 | 2007-10-09 | The Goodyear Tire & Rubber Company | Rubbery polymers containing tin coupling agents and rubber compounds including the same |
US7335706B1 (en) | 2007-03-05 | 2008-02-26 | The Goodyear Tire & Rubber Company | Method of making alkoxy functionalized rubbery polymers |
US8680210B2 (en) | 2011-05-02 | 2014-03-25 | Bridgestone Corporation | Method for making functionalized polymer |
US10342608B2 (en) * | 2012-10-18 | 2019-07-09 | The Board Of Trustees Of The Leland Stanford Junior University | Ablation catheter system and method for deploying same |
US20170027460A1 (en) * | 2015-07-29 | 2017-02-02 | NeuroMedic, Inc. | Intraluminal microneurography probe |
US10631928B2 (en) * | 2017-03-24 | 2020-04-28 | Biosense Webster (Israel) Ltd. | Catheter with deformable distal electrode |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3244664A (en) | 1960-10-24 | 1966-04-05 | Phillips Petroleum Co | Silicon-containing polymers |
FR2300097A1 (fr) | 1975-02-07 | 1976-09-03 | Anvar | Polymerisations catalysees par le lithium tres finement divise |
US4618650A (en) * | 1985-09-04 | 1986-10-21 | The Goodyear Tire & Rubber Company | Siloxane containing network polymer |
JPH0681766B2 (ja) * | 1987-05-12 | 1994-10-19 | 日本合成ゴム株式会社 | シラン化合物変性重合体の製造方法 |
US4935471A (en) | 1987-10-15 | 1990-06-19 | The Goodyear Tire & Rubber Company | Capped polydienes |
JP3485605B2 (ja) * | 1992-10-19 | 2004-01-13 | 株式会社ブリヂストン | 重合体の製造方法 |
TW372979B (en) | 1993-11-09 | 1999-11-01 | Shell Int Research | Hydrogenated asymmetric radial copolymer |
DE69501999T2 (de) | 1994-10-28 | 1998-09-10 | Bridgestone Corp | Kautschukmischung für Laufflächen |
US6489403B1 (en) | 1999-12-14 | 2002-12-03 | The Goodyear Tire & Rubber Company | Process for improved coupling of rubbery polymers |
US6889735B2 (en) * | 2000-08-03 | 2005-05-10 | The Goodyear Tire & Rubber Company | Pneumatic tire having a rubber component containing a dendrimer |
ES2248386T3 (es) | 2000-08-18 | 2006-03-16 | Bridgestone Corporation | Composiciones de caucho y vulcanizados que incluyen un polimero ramificado en peine. |
JP4373099B2 (ja) * | 2003-01-16 | 2009-11-25 | 住友ゴム工業株式会社 | 自動二輪車用タイヤ |
-
2005
- 2005-07-07 US US11/176,457 patent/US7612147B2/en not_active Expired - Fee Related
-
2006
- 2006-06-26 BR BRPI0602347-9A patent/BRPI0602347A/pt not_active IP Right Cessation
- 2006-07-04 EP EP06116593A patent/EP1741724A3/en not_active Withdrawn
- 2006-07-07 JP JP2006188516A patent/JP2007016240A/ja active Pending
-
2009
- 2009-11-03 US US12/611,807 patent/US7825195B2/en not_active Expired - Fee Related
-
2010
- 2010-07-28 US US12/845,171 patent/US7868099B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20100288407A1 (en) | 2010-11-18 |
US20070010629A1 (en) | 2007-01-11 |
EP1741724A3 (en) | 2009-04-22 |
US7612147B2 (en) | 2009-11-03 |
US7825195B2 (en) | 2010-11-02 |
JP2007016240A (ja) | 2007-01-25 |
US20100043938A1 (en) | 2010-02-25 |
US7868099B2 (en) | 2011-01-11 |
EP1741724A2 (en) | 2007-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE AS 5A E 6A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2160 DE 29/05/2012. |