BR8205792A - Composicao de polimero/poliol e processo para sua producao espuma de poliuretana e processo para sua producao processo para producao de elastomero de poliuretana - Google Patents
Composicao de polimero/poliol e processo para sua producao espuma de poliuretana e processo para sua producao processo para producao de elastomero de poliuretanaInfo
- Publication number
- BR8205792A BR8205792A BR8205792A BR8205792A BR8205792A BR 8205792 A BR8205792 A BR 8205792A BR 8205792 A BR8205792 A BR 8205792A BR 8205792 A BR8205792 A BR 8205792A BR 8205792 A BR8205792 A BR 8205792A
- Authority
- BR
- Brazil
- Prior art keywords
- production
- polymer
- polyol composition
- polyurethane
- polyurethane foam
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 3
- 238000000034 method Methods 0.000 title 2
- 229920005830 Polyurethane Foam Polymers 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
- 229920000642 polymer Polymers 0.000 title 1
- 229920005862 polyol Polymers 0.000 title 1
- 150000003077 polyols Chemical class 0.000 title 1
- 229920003225 polyurethane elastomer Polymers 0.000 title 1
- 239000011496 polyurethane foam Substances 0.000 title 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
- C08G18/636—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers characterised by the presence of a dispersion-stabiliser
-
- 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
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Graft Or Block Polymers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/308,052 US4357430A (en) | 1981-10-02 | 1981-10-02 | Polymer/polyols, methods for making same and polyurethanes based thereon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8205792A true BR8205792A (pt) | 1983-09-06 |
Family
ID=23192334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8205792A BR8205792A (pt) | 1981-10-02 | 1982-10-01 | Composicao de polimero/poliol e processo para sua producao espuma de poliuretana e processo para sua producao processo para producao de elastomero de poliuretana |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4357430A (pt) |
| EP (1) | EP0076491A3 (pt) |
| JP (1) | JPS58136609A (pt) |
| AU (1) | AU544980B2 (pt) |
| BR (1) | BR8205792A (pt) |
| CA (1) | CA1179440A (pt) |
| ZA (1) | ZA827129B (pt) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE32733E (en) * | 1982-05-18 | 1988-08-16 | Union Carbide Corporation | Polymer/polyol compositions having improved combustion resistance |
| US4452924A (en) * | 1983-05-05 | 1984-06-05 | Mobay Chemical Corporation | Flexible polyurethane foams having improved load bearing characteristics |
| US4594366A (en) * | 1983-06-29 | 1986-06-10 | Union Carbide Corporation | Connected branched polyols and polyurethanes based thereon |
| GB8324217D0 (en) * | 1983-09-09 | 1983-10-12 | Bp Chem Int Ltd | Preparation of polymer polyols |
| US4480081A (en) * | 1983-12-29 | 1984-10-30 | Olin Corporation | Isocyanate-reactive compounds from modified TDI distillation residue intermediates and polyurethanes prepared therefrom |
| US4489177A (en) * | 1983-12-29 | 1984-12-18 | Olin Corporation | Isocyanate-reactive compounds from TDI distillation residue and polyurethanes prepared therefrom |
| US4652589A (en) * | 1985-02-08 | 1987-03-24 | Union Carbide Corporation | Polymer/polyols having improved combustion resistance and intrinsic viscosity, methods of making same and polyurethanes prepared therefrom |
| US4997857A (en) * | 1986-09-30 | 1991-03-05 | Arco Chemical Technology, Inc. | Stabilizers for polymer/polyols |
| JP2548032B2 (ja) * | 1989-02-17 | 1996-10-30 | 日本ポリウレタン工業株式会社 | シール材及び結束材用ポリウレタンエラストマーの製造方法 |
| US5104909A (en) * | 1989-09-21 | 1992-04-14 | W. R. Grace & Co.-Conn. | Water-absorbent, high capacity polyurethane foams |
| US5359019A (en) * | 1990-05-17 | 1994-10-25 | Arco Chemical Technology, L.P. | Use of polyethylenically unsaturated monomers in polymers polyol dispersants |
| US5196476A (en) * | 1990-06-12 | 1993-03-23 | Arco Chemical Technology, L.P. | Polymer/polyol and preformed stabilizer systems |
| GB9100988D0 (en) * | 1991-01-17 | 1991-02-27 | Shell Int Research | Polyether polyols containing polymer dispersions for polyurethane foams,and/or polyisocyanurate foams |
| KR960011890B1 (ko) * | 1991-10-14 | 1996-09-04 | 미쓰이도오아쓰가가쿠 가부시키가이샤 | 폴리머 폴리올과 그의 제조방법 |
| DE4313921A1 (de) * | 1993-04-28 | 1994-11-03 | Basf Ag | Verfahren zur Herstellung von Polymerpolyesterolen |
| US5830944A (en) * | 1994-03-31 | 1998-11-03 | Basf Aktiengesellschaft | Preparation of polymeric polyesterols |
| US5688861A (en) * | 1995-11-30 | 1997-11-18 | Arco Chemical Technology, L.P. | Process for the preparation of polyol polymer dispersions |
| CZ351996A3 (en) * | 1995-12-07 | 1997-06-11 | Shell Int Research | Polyol formulation for preparing flexible polyurethane foam similar to latex |
| US5922809A (en) * | 1996-01-11 | 1999-07-13 | The Dow Chemical Company | One-part moisture curable polyurethane adhesive |
| AR005429A1 (es) * | 1996-01-11 | 1999-06-23 | Essex Specialty Prod | Prepolimeros de poliuretano, composiciones adhesivas en un solo envase que incluyen dichos prepolimeros y procedimiento para adherir substratos con dichascomposiciones |
| PL318128A1 (en) * | 1996-01-29 | 1997-08-04 | Shell Int Research | Polymer-polyol and method of obtaining polymer-polyols |
| DE19903390A1 (de) | 1999-01-29 | 2000-08-03 | Bayer Ag | Stabilisierte, feindisperse niedrigviskose Polymerpolyole mit einem hohen Gehalt an Polystyrol oder Polystyrol-Copolymerisaten |
| BR0113451A (pt) | 2000-08-07 | 2003-10-14 | Dow Global Technologies Inc | Adesivo de poliuretano monocomponente curável em umidade método para ligar dois substratos usando tal adesivo |
| US6846849B2 (en) | 2001-10-24 | 2005-01-25 | Temple-Inland Forest Products Corporation | Saccharide-based resin for the preparation of foam |
| WO2003035740A1 (en) | 2001-10-24 | 2003-05-01 | Temple-Inland Forest Products Corporation | Saccharide-based resin for the preparation of composite products |
| DE10357895A1 (de) * | 2003-12-11 | 2005-07-07 | Bayer Materialscience Ag | Polymerdispersionen in Polyesterpolyolen |
| CN100376616C (zh) * | 2005-12-21 | 2008-03-26 | 中国科学院山西煤炭化学研究所 | 一种制备聚酯型聚合物多元醇的方法 |
| WO2013039907A1 (en) | 2011-09-12 | 2013-03-21 | Basf Se | Graft polyol and method of forming the same |
| RU2020117720A (ru) | 2017-12-08 | 2022-01-10 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Антиоксидант для пенополиуретана низкой плотности |
| US20220306826A1 (en) * | 2021-03-25 | 2022-09-29 | Lear Corporation | High performance urethane foam |
| WO2023017078A1 (en) | 2021-08-11 | 2023-02-16 | Shell Internationale Research Maatschappij B.V. | Process for preparing a high-resilience polyurethane foam |
| CN119053635A (zh) | 2022-04-25 | 2024-11-29 | 国际壳牌研究有限公司 | 低密度聚氨酯泡沫 |
| KR20250022661A (ko) | 2022-06-15 | 2025-02-17 | 쉘 인터내셔날 리써취 마트샤피지 비.브이. | 광범위로 조정 가능한 다공성을 갖는 폴리우레탄 폼 |
Family Cites Families (72)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2679521A (en) * | 1954-05-25 | Oxotropylated esters of pomfcar | ||
| CA785835A (en) | 1968-05-21 | J. Scharf James | Low viscosity polymer/polyol compositions by a continuous process | |
| CA735010A (en) | 1966-05-24 | C. Kuryla William | Polyurethane foams | |
| US2562878A (en) * | 1949-01-13 | 1951-08-07 | Petrolite Corp | Processes for breaking emulsions |
| US2552528A (en) * | 1949-07-14 | 1951-05-15 | Petrolite Corp | Process for breaking petroleum emulsions |
| US2771471A (en) * | 1950-12-01 | 1956-11-20 | Petrolite Corp | Polycarboxy acid esters of oxypropylated hexides |
| US2948691A (en) * | 1951-05-10 | 1960-08-09 | Mobay Chemical Corp | High molecular weight polyether urethane polymers |
| US2692873A (en) * | 1951-07-19 | 1954-10-26 | Du Pont | Elastomers from polyalkylene ether glycol reacted with arylene diisocyanate and water |
| US2605232A (en) * | 1952-02-08 | 1952-07-29 | Petrolite Corp | Process for breaking petroleum emulsions |
| US2996551A (en) * | 1953-09-24 | 1961-08-15 | Petrolite Corp | Certain polyepoxide-modified oxyalkylation derivatives being obtained in turn by oxyalkylation of certain polyols having at least three hydroxyls |
| IT535373A (pt) * | 1954-06-10 | |||
| NL104700C (pt) * | 1955-08-12 | |||
| US3089863A (en) * | 1956-06-29 | 1963-05-14 | Devoe & Raynolds Co Inc | Process for preparation of a polyester resin of pentaerythritol, a dicarboxylic acid anhydride, and a monoepoxide |
| US2834780A (en) * | 1956-07-05 | 1958-05-13 | Dow Chemical Co | Phthalidyl piperazines |
| NL245621A (pt) * | 1957-09-25 | |||
| NL106889C (pt) * | 1957-09-25 | 1900-01-01 | ||
| BE589613A (pt) * | 1959-04-10 | |||
| US3028433A (en) * | 1959-09-09 | 1962-04-03 | Union Carbide Corp | Process for improving polypropylene glycols |
| US3054778A (en) * | 1959-10-19 | 1962-09-18 | Dow Chemical Co | Acetic anhydride modified polyurethane |
| US3073788A (en) * | 1959-11-17 | 1963-01-15 | Union Carbide Corp | Polyurethane foams |
| DE1128132B (de) * | 1961-01-25 | 1962-04-19 | Bayer Ag | Verfahren zur Herstellung von gegebenenfalls verschaeumten Formkoerpern einschliesslich Flaechengebilden |
| GB1022434A (en) * | 1961-11-28 | 1966-03-16 | Union Carbide Corp | Improvements in and relating to polymers |
| US3304273A (en) * | 1963-02-06 | 1967-02-14 | Stamberger Paul | Method of preparing polyurethanes from liquid, stable, reactive, filmforming polymer/polyol mixtures formed by polymerizing an ethylenically unsaturated monomer in a polyol |
| USRE29118E (en) | 1963-02-06 | 1977-01-18 | Method of preparing polyurethanes from liquid, stable, reactive, film-forming polymer/polyol mixtures formed by polymerizing an ethylenically unsaturated monomer in a polyol | |
| USRE28715E (en) | 1964-08-12 | 1976-02-17 | Polyurethanes, reactive solutions and methods and their production | |
| US3459733A (en) * | 1964-10-15 | 1969-08-05 | Mobil Oil Corp | Monomeric polyesters of polyhydroxy compounds and process for preparing same |
| GB1126025A (en) | 1965-10-11 | 1968-09-05 | Ici Ltd | Modified polymeric polyols |
| US3467605A (en) * | 1966-07-21 | 1969-09-16 | Upjohn Co | High density rigid polyether/polyester urethane foams |
| US3505377A (en) * | 1966-08-12 | 1970-04-07 | Union Carbide Corp | Siloxane-oxyalkylene copolymer foam stabilizers |
| BE709026A (pt) | 1967-01-06 | 1968-07-05 | ||
| GB1217005A (en) | 1967-02-28 | 1970-12-23 | Witco Chemical Corp | Preparation of polyols containing esters groups from polyethers, cyclic anhydrides, and 1,2-epoxides |
| US3846347A (en) * | 1967-11-15 | 1974-11-05 | Witco Chemical Corp | Rigid foams from polyurethane and methods and compositions for use in their preparation |
| US3585185A (en) * | 1968-05-13 | 1971-06-15 | Wyandotte Chemicals Corp | Ester-containing polyols |
| US3639542A (en) * | 1968-05-13 | 1972-02-01 | Basf Wyandotte Corp | Ester-containing polyols having halogen and phosphorus atoms therein |
| US3639541A (en) * | 1968-05-13 | 1972-02-01 | Basf Wyandotte Corp | Ester-containing polyols having halogen and phosphorus atoms |
| US3625921A (en) * | 1968-05-15 | 1971-12-07 | Allied Chem | Polyurethane coating compositions prepared from 4,4{40 -methylene bis(cyclohexylisocyanate) and polyether triol blends |
| BE759006A (fr) * | 1969-11-20 | 1971-05-17 | Marles Kuhlmann Wyandotte | Copolymeres greffes et preparation de polyurethanes |
| US3655553A (en) * | 1970-03-12 | 1972-04-11 | Firestone Tire & Rubber Co | Process for grafting polymeric vinyl and vinylidene chloride side-chains to polyols and fluid dispersion compositions |
| CA1022300A (en) * | 1971-08-30 | 1977-12-06 | Union Carbide Corporation | Polymer/polyols and process for production thereof |
| US3963818A (en) * | 1971-10-29 | 1976-06-15 | Toyo Kogyo Co., Ltd. | Water soluble core for pressure die casting and process for making the same |
| US3850861A (en) * | 1972-11-24 | 1974-11-26 | Gen Tire & Rubber Co | Preparation and formulation of polyurethane foams |
| USRE29014E (en) | 1972-12-04 | 1976-10-26 | Basf Wyandotte Corporation | Highly-stable graft copolymer dispersions in polyols containing unsaturation and polyurethanes prepared therefrom |
| US3823201A (en) * | 1972-12-04 | 1974-07-09 | Basf Wyandotte Corp | Highly-stable graft copolymer dispersions in polyols containing unsaturation and polyurethanes prepared therefrom |
| JPS532199B2 (pt) * | 1973-07-03 | 1978-01-26 | ||
| US3875086A (en) * | 1973-08-10 | 1975-04-01 | Jefferson Chem Co Inc | Urethane containing monohydric polyether chain stoppers |
| US3875258A (en) * | 1973-10-15 | 1975-04-01 | Basf Wyandotte Corp | Graft copolymers |
| US3950317A (en) * | 1973-10-29 | 1976-04-13 | Basf Wyandotte Corporation | Process for the preparation of graft copolymer dispersions |
| US3953393A (en) * | 1974-01-07 | 1976-04-27 | Basf Wyandotte Corporation | Low temperature process for the preparation of graft copolymer dispersions |
| US4014846A (en) * | 1974-04-29 | 1977-03-29 | Basf Wyandotte Corporation | Low-viscous, stable polymer dispersions and polyurethanes prepared therefrom |
| US3978018A (en) * | 1974-06-17 | 1976-08-31 | H. H. Robertson Company | Polymerizable compositions containing unsaturated polyester resins and aqueous alkali stabilized colloidal silica, method of preparing shaped articles from such compositions and thermoset products thereof |
| DE2536121A1 (de) * | 1974-08-19 | 1976-03-04 | Basf Wyandotte Corp | Oberflaechenaktive block-polyoxyalkylencopolymere |
| US4104236A (en) * | 1974-08-28 | 1978-08-01 | Union Carbide Corporation | Liquid polymer/polyols and polyurethane elastomers based thereon |
| US3931450A (en) * | 1974-10-10 | 1976-01-06 | Basf Wyandotte Corporation | Polyurethane foam composite |
| CA1074049A (en) * | 1974-11-13 | 1980-03-18 | Russell Van Cleve | Polymer/polyols and polyurethane derivatives thereof |
| US4024088A (en) * | 1974-12-23 | 1977-05-17 | Union Carbide Corporation | Compositions and methods useful in forming polyether polyurethanes having release properties |
| US4082703A (en) * | 1975-04-07 | 1978-04-04 | Union Carbide Corporation | Polyurethane prepolymers, rebonded polyurethane foam and methods of forming the same |
| US4172825A (en) * | 1975-07-10 | 1979-10-30 | Union Carbide Corporation | Polymer/polyols and process for production thereof |
| US4018815A (en) * | 1975-09-29 | 1977-04-19 | Basf Wyandotte Corporation | Process for the preparation of polyester polyols |
| US4045474A (en) * | 1975-10-07 | 1977-08-30 | Union Carbide Corporation | Low viscosity poly(epoxide-caprolactone) polyols |
| CA1092590A (en) * | 1976-06-24 | 1980-12-30 | Naresh R. Shah | Polymer/polyol compositions, processes for making same and processes for making polyurethane products therefrom |
| US4119586A (en) * | 1976-06-24 | 1978-10-10 | Union Carbide Corporation | Polymer/polyol compositions, processes for making same and processes for making polyurethane products therefrom |
| US4061684A (en) * | 1976-10-29 | 1977-12-06 | Basf Wyandotte Corporation | Highly branched polyether polyols of high molecular weight |
| US4113785A (en) * | 1976-10-29 | 1978-09-12 | Basf Wyandotte Corporation | Polyether polyols and method of preparing same |
| US4130603A (en) * | 1977-02-04 | 1978-12-19 | Toray Industries, Inc. | Thermoplastic linear block copolyether-polyesters as hot melt adhesives for textiles |
| US4153643A (en) * | 1977-10-18 | 1979-05-08 | Olin Corporation | Graft copolymers from unsaturated monomers and peroxy di-ester polyols and polyurethanes prepared therefrom |
| US4144395A (en) * | 1977-12-05 | 1979-03-13 | Basf Wyandotte Corporation | Process for the preparation of polyether-ester polyols |
| US4148840A (en) * | 1978-03-29 | 1979-04-10 | Union Carbide Corporation | Polymer/polyol compositions made from preformed polymer/polyols, processes for making same and processes for making polyurethane products therefrom |
| US4153778A (en) * | 1978-03-30 | 1979-05-08 | Union Carbide Corporation | Acrylyl capped urethane oligomers |
| GB2021602B (en) | 1978-05-24 | 1982-10-20 | Ici Ltd | Polymeric materials |
| US4198488A (en) * | 1978-06-26 | 1980-04-15 | Union Carbide Corporation | Polymer-polyols and polyurethanes based thereon |
| US4242249A (en) * | 1979-04-03 | 1980-12-30 | Union Carbide Corporation | Polymer/polyols via non-aqueous dispersion stabilizers |
| US4342840A (en) * | 1979-12-25 | 1982-08-03 | Asahi Glass Company, Ltd. | Process for producing polymer polyol |
-
1981
- 1981-10-02 US US06/308,052 patent/US4357430A/en not_active Expired - Lifetime
-
1982
- 1982-09-24 CA CA000412105A patent/CA1179440A/en not_active Expired
- 1982-09-29 ZA ZA827129A patent/ZA827129B/xx unknown
- 1982-09-29 JP JP57168678A patent/JPS58136609A/ja active Pending
- 1982-09-30 AU AU88934/82A patent/AU544980B2/en not_active Ceased
- 1982-10-01 EP EP82109098A patent/EP0076491A3/en not_active Withdrawn
- 1982-10-01 BR BR8205792A patent/BR8205792A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA827129B (en) | 1983-08-31 |
| CA1179440A (en) | 1984-12-11 |
| EP0076491A3 (en) | 1983-06-22 |
| AU544980B2 (en) | 1985-06-27 |
| US4357430A (en) | 1982-11-02 |
| EP0076491A2 (en) | 1983-04-13 |
| JPS58136609A (ja) | 1983-08-13 |
| AU8893482A (en) | 1983-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR8205792A (pt) | Composicao de polimero/poliol e processo para sua producao espuma de poliuretana e processo para sua producao processo para producao de elastomero de poliuretana | |
| BR8806966A (pt) | Espuma de poliuretana flexivel e processo para sua fabricacao | |
| BR8004859A (pt) | Corpos moldados de elastomero de poliuretano e processo para sua preparacao | |
| BR9503421A (pt) | Composição de surfactantes de polieter silicone para a manufatura de espumas de uretano eprocesso para sua produção | |
| BR8605225A (pt) | Processo para produzir espumas de poliuretano flexiveis,composicao e espuma de poliuretano flexivel moldada | |
| BR8703178A (pt) | Processo para a preparacao de elastomeros de poliuretana e corpos moldados | |
| BR8402729A (pt) | Poliuretano e processo para sua producao | |
| BR8106146A (pt) | Processo para produzir espuma felxivel de poliester poliuretano e espuma flexivel de poliuretano | |
| BR8207085A (pt) | Espuma de poliuretano retardadora de chama e processo para sua preparacao | |
| BR8002236A (pt) | Processo para producao de elastomero de poliuretana | |
| BR8205691A (pt) | Copolimeros sequenciados organopolisiloxanicos e poliuretanos e processo de sua obtencao | |
| BR8108016A (pt) | Composicao de polimero/poliisocianato,processo para sua preparacao e elastomero de poliuretana | |
| BR8103325A (pt) | Processo para a producao de espuma de poliuretano,espuma de poliuretano e composicao | |
| BR8202710A (pt) | Elastomero termoplastico e processo de producao do mesmo | |
| BR8101859A (pt) | Processo para a preparacao de polieterpoliois e processo para a preparacao de materiais espumosos de poliuretano | |
| BR7705798A (pt) | Processo para a preparacao de polieterpoliois e processo de preparacao de espumas de poliuretanas | |
| BR8205415A (pt) | Artigo elastomerico e processo para fabricacao deste artigo | |
| BR8100765A (pt) | Processo para obtencao de elastomeros de poliuretanas polimerizaveis | |
| ES495144A0 (es) | Perfeccionamientos en un procedimiento para la fabricacion de espumas de poliuretano flexibles y elasticas | |
| IT8221532A0 (it) | Procedimento per la produzione di pezzi stampati in poliuretano espanso ed apparecchio per il medesimo. | |
| BR8006169A (pt) | Composicao para preparacao de espumas de poliuretano enrijecidas, espuma de poliuretano enrijecida e processo para preparacao de espumas de poliuretano enrijecidas | |
| BR8203763A (pt) | Espuma de poliuretana flexivel retardadora de chama aperfeicoada processo para sua producao composicao | |
| BR8101283A (pt) | Solucoes de poliuretanas em poliois e processo para preparacao de substancias espumosas maciais de poliuretana | |
| BR7704076A (pt) | Aperfeicoamento em composicao de polimero poliol;aperfeicoamento em processo para producao de uma composicao liquida de polimero poliol;e processo para producao de um elastomero e uma espuma de poliuretana | |
| BR8400661A (pt) | Processo para moldagem por injecao com reacao de poliuretanos |