BR0006267A - Silicone polyether copolymers useful for the manufacture of flexible molded polyurethane foams - Google Patents
Silicone polyether copolymers useful for the manufacture of flexible molded polyurethane foamsInfo
- Publication number
- BR0006267A BR0006267A BR0006267-7A BR0006267A BR0006267A BR 0006267 A BR0006267 A BR 0006267A BR 0006267 A BR0006267 A BR 0006267A BR 0006267 A BR0006267 A BR 0006267A
- Authority
- BR
- Brazil
- Prior art keywords
- group
- polyurethane foams
- molded polyurethane
- flexible molded
- manufacture
- Prior art date
Links
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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/46—Block-or graft-polymers containing polysiloxane sequences containing polyether sequences
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/10—Block- or graft-copolymers containing polysiloxane sequences
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Silicon Polymers (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Patente de Invenção: <B>"COPOLìMEROS DE POLIéTER DE SILICONE úTEIS PARA A FABRICAçãO DE ESPUMAS MOLDADAS FLEXìVEIS DE POLIURETANO"<D>. Um método para a preparação de espumas moldadas flexíveis de poliuretano por meio da reação de um poliisocianato orgânico com um poliol na presença de um catalisador de uretano, água como um agente de sopro, opcionalmente um abridor de célula, e um estabilizador de célula tensoativo de silicone tendo a fórmula: Me~ 3~Si(OsiMe~ 2~)~ x~(OsiMeG)~ Y~OSiMe~ 3~ na qual G é um grupo tendo a fórmula -D(OR")m^ A^ onde D é um radical de ligação orgânico divalente, R" é um grupo alquileno, m tem um valor médio de 1 a 5, A indica um grupo -OR''' ou um grupo -OOCR''', onde R"" é selecionado a partir do grupo que consiste em metila, etila, e uma combinação de metila e etila, x tem um valor médio de 1 a 3 e y tem um valor médio de 0,25 a 1, o valor de x/y é de 2,5 a 5 e o valor de x+y é de 1,5 a 3,5.Invention Patent: <B> "SILICON POLYETHER COPOLIMERS USEFUL FOR THE MANUFACTURE OF FLEXIBLE MOLDED POLYURETHANE FOAMS" <D>. A method for preparing flexible molded polyurethane foams by reacting an organic polyisocyanate with a polyol in the presence of a urethane catalyst, water as a blowing agent, optionally a cell opener, and a cell surfactant stabilizer. silicone having the formula: Me ~ 3 ~ Si (OsiMe ~ 2 ~) ~ x ~ (OsiMeG) ~ Y ~ OSiMe ~ 3 ~ in which G is a group having the formula -D (OR ") m ^ A ^ where D is a divalent organic bonding radical, R "is an alkylene group, m has an average value of 1 to 5, A indicates a group -OR '' 'or a group -OOCR' '', where R" "is selected a from the group consisting of methyl, ethyl, and a combination of methyl and ethyl, x has an average value of 1 to 3 and y has an average value of 0.25 to 1, the value of x / y is 2.5 to 5 and the value of x + y is 1.5 to 3.5.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47155899A | 1999-12-23 | 1999-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0006267A true BR0006267A (en) | 2001-09-18 |
Family
ID=23872076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0006267-7A BR0006267A (en) | 1999-12-23 | 2000-12-22 | Silicone polyether copolymers useful for the manufacture of flexible molded polyurethane foams |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2001181397A (en) |
KR (1) | KR20010057579A (en) |
BR (1) | BR0006267A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4596211B2 (en) * | 2001-06-15 | 2010-12-08 | ソニー株式会社 | Image processing apparatus and method, recording medium, and program |
JP4660980B2 (en) * | 2001-06-15 | 2011-03-30 | ソニー株式会社 | Image processing apparatus and method, recording medium, and program |
JP4596213B2 (en) * | 2001-06-15 | 2010-12-08 | ソニー株式会社 | Image processing apparatus and method, recording medium, and program |
JP4279115B2 (en) * | 2003-10-23 | 2009-06-17 | 日華化学株式会社 | Method for producing porous structure, artificial leather and synthetic leather |
-
2000
- 2000-12-21 KR KR1020000079757A patent/KR20010057579A/en not_active Application Discontinuation
- 2000-12-22 JP JP2000391396A patent/JP2001181397A/en not_active Withdrawn
- 2000-12-22 BR BR0006267-7A patent/BR0006267A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JP2001181397A (en) | 2001-07-03 |
KR20010057579A (en) | 2001-07-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR0004997A (en) | Process and composition for preparing flexible molded polyurethane foam | |
CA2315590A1 (en) | Silicone foam control agent | |
BR0003840A (en) | Process and composition for the preparation of flexible molded polyurethane foam | |
ES2135774T3 (en) | PROCEDURE FOR THE PREPARATION OF FLEXIBLE FOAMS. | |
AR018787A1 (en) | PREPOLIMERO COMPOSITIONS OF POLYURETHANE, FOAMS MADE FROM THE SAME AND METHODS TO MAKE EACH OF THE SAME | |
KR960004388A (en) | Method for producing polyether silicone surfactant and polyurethane foam for urethane foam production | |
EP0433878A3 (en) | Process for the preparation of flexible polyurethane foams with viscoelastic, body-sound damping properties and the polyalkoxide-polyol blends for this process | |
BR0215518A (en) | Film-forming composition, methods for disinfecting tissue and releasing an active agent to the tissue, and, film-forming vinyl polymer | |
ATE255615T1 (en) | STABILIZED POLYETHER AND POLYURETHANE FOAM PRODUCED THEREFROM | |
EP1075863B8 (en) | Silicone foam control agent | |
ES2057396T3 (en) | FULL COVERED FOAMS BLOWN WITH CO2. | |
DE60111707D1 (en) | Polymer foam / clay nanocomposites | |
ES2144613T3 (en) | PROCEDURE FOR THE PREPARATION OF A FLEXIBLE POLYURETHANE FOAM. | |
MXPA04006524A (en) | Multimodal polymeric foam containing an absorbent clay. | |
EP1770117A3 (en) | Silanol-Functionalized compounds for the preparation of polyurethane foams | |
ATE160365T1 (en) | METHOD FOR PRODUCING SOFT POLYURETHANE FOAM | |
MY131129A (en) | Foams containing silicon | |
ATE472572T1 (en) | METHOD FOR PRODUCING VISCOELASTIC SOFT POLYURETHANE FOAM | |
ATE305487T1 (en) | AQUEOUS WAX DISPERSIONS AS CELL OPENERS FOR THE PRODUCTION OF SOFT POLYURETHANE FOAM | |
DE60221219D1 (en) | Flexible polyurethane foam and method of manufacture | |
BRPI0406575A (en) | Rigid Polyurethane Foams With Improved Properties | |
BR0006267A (en) | Silicone polyether copolymers useful for the manufacture of flexible molded polyurethane foams | |
BR0005944A (en) | Process and composition for the preparation of flexible polyurethane foam | |
ES2194646T3 (en) | ADDITIVES THAT CONFORM DIMENSIONAL STABILITY AND THE OPENING OF FLEXIBLE POLYURETHANE FOAM CELLS. | |
KR890005191A (en) | Secondary or tertiary hydroxy terminated polyether silicone copolymers for stabilizing high elastic urethane foams |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B11A | Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing | ||
B11Y | Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired |