FI95141B - Flytande polyisocyanatblandningar, förfarande för deras framställning och deras användning för framställning av mjuka polyuretanskum - Google Patents
Flytande polyisocyanatblandningar, förfarande för deras framställning och deras användning för framställning av mjuka polyuretanskum Download PDFInfo
- Publication number
- FI95141B FI95141B FI892645A FI892645A FI95141B FI 95141 B FI95141 B FI 95141B FI 892645 A FI892645 A FI 892645A FI 892645 A FI892645 A FI 892645A FI 95141 B FI95141 B FI 95141B
- Authority
- FI
- Finland
- Prior art keywords
- weight
- diisocyanatodiphenylmethane
- oxide units
- polyisocyanate
- component
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
-
- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/48—Polyethers
- C08G18/4829—Polyethers containing at least three hydroxy groups
-
- 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
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
- C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0008—Foam properties flexible
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/005—< 50kg/m3
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/0058—≥50 and <150kg/m3
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
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)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Materials For Medical Uses (AREA)
- Medicinal Preparation (AREA)
Claims (9)
1. Flytande, uretangrupper innehällande polyiso-cyanatblandningar med en NCO-halt av 15 - 30 vikt-%, vilka 5 har erhällits genom att reagera al) polyisocyanater eller polyisocyanatblandning-ar ur difenylmetanserien och med en diisocyanatodifenylme-tanisomerhalt av 50 - 100 vikt-% med 10 b) underskottsmängder av minst en polyeterpolyol och därefter eventuellt blanda den erhällna reaktionspro-dukten av komponenterna al) och b) med a2) uretangruppfria polyisocyanater eller poly isocyanatblandningar ur difenylmetanserien och med en 15 diisocyanatodifenylmetanisomerhalt av 40 - 100 vikt-%, i ett sädant förhällande att diisocyanatodifenylmetaniso-merhalten hos komponenterna al) och a2) är totalt 50 - 95 vikt-% och halten av difenylmetanseriens difunktionella högre polyisocyanater hos bäda utgängskomponenterna är 20 totalt 5-50 vikt-%, kännetecknad därav, att som komponent b) är minst en polyeterpolyol med en (medel) hydroxylekvivalentvikt av 500 - 3000 och en (medel) hydro-xylfunktionalitet av högre än 4.
2. Flytande polyisocyanatblandningar enligt pa-25 tentkrav 1, kännetecknad därav, att i fräga om komponenten b) handler det om minst en polyeterpolyol med polymeriserade alkylenoxidenheter vilka bestär av 70 -100 vikt-% polylenoxidenheter och 0-30 vikt-% etylenoxi-denheter, varvid de eventuellt närvarande etylenoxidenhe-30 terna kan vara statistiskt fördelade i polyeterkedjorna, som in i kedjorna anordnade klimpar och/eller vid änd-ställningarna.
3. Polyisocyanatblandningar enligt patentkrav 1 eller 2, kännetecknad därav, att komponenten 35 b) bestär av minst en polyeterpolyol som har 5-25 vikt- 22 9 5 1 41 %, beräknat pä de polymeriserade alkylenoxidenheternas totalvikt, polymeriserade, vid ändställningar närvarande etylenoxidenheter.
4. Polyisocyanatblandningar enligt nägot av pa-5 tentkraven 1 - 3, kännetecknad därav, att diisocyanatodifenylmetanisomererna bestär av minst en av komponenterna ai) eller a2) vilka omfattar 60 - 90 vikt-% av 4,4'-diisocyanatodifenylmetan, 10 - 40 vikt-% av 2,4’-diisocyanatodifenylmetan och 0-5 vikt-% av 2,2'-diiso-10 cyanatodifenylmetan, varvid nämnda procenttal kompletteräs tili 100, i ett sädant förhällande att totalhalten av komponenterna ai) och a2) pä 2,4'-diisocyanatodifenylmetan, beräknat pä totalhalten diisocyanatodifenylmetanisomerer, är 10 - 40 vikt-%. 15
5. Förfarande för framställning av flytande, ure- tangrupper innehällande polyisocyanatblandningar enligt patentkrav 1 genom att reagera ai) polyisocyanaten eller polyisocyanatblandnin-gen ur difenylmetanserien och med en diisocyanatodifenyl-20 metanisomerhalt av 50 - 100 vikt-% med b) underskottsmängden av minst en polyeterpolyol och därefter eventuellt blanda den erhällna reaktionspro-dukten av komponenterna ai) och b) med 25 a2) den uretangruppfria polyisocyanaten eller polyisocyanatblandningen ur difenylmetanserien och med en diisocyanatodifenylmetanisomerhalt av 40 - 100 vikt-%, i ett sädant förhällande att diisocyanatodifenylmetaniso-merhalten hos komponenterna ai) och a2) är totalt 50 - 95 30 vikt-% och halten av difenylmetanseriens difunktionella högre polyisocyanater av dessa utgängskomponenter är totalt 5-50 vikt-%, kännetecknat därav, att som komponent b) används minst en polyeterpolyol med en (medel) hydroxylekvivalentvikt av 500 - 3000 och en (me-35 del) hydroxylfunktionalitet av högre än 4. Il 23 95141
6. Förfarande enligt patentkrav 5, känne-t e c k n a t därav, att som komponent b) används minst en polyeterpolyol med polymeriserade alkylenoxidenheter och med en (medel) hydroxylfunktionalitet av 4,5 - 6, vars 5 polymeriserade alkylenoxidenheter bestär av 70 - 100 vikt-% propylenoxidenheter och 0-30 vikt-% etylenoxidenheter, varvid de eventuellt närvarande etylenoxidenheterna kan vara statistiskt fördelade i polyeterkedjorna, som in i kedjorna anordnade klimpar och/eller vid ändställningarna. 10
7. Förfarande enligt patentkrav 5 eller 6, kännetecknat därav, att komponenten b) bestär av minst en polyeterpolyol som har 5-25 vikt-%, beräknat pä de polymeriserade alkylenoxidenheternas totalvikt, polymeriserade, vid ändställningar närvarande etylenoxiden- 15 heter.
8. Förfarande enligt nägot av patentkraven 5-7, kännetecknat därav, att diisocyanatodifenylme-tanisomererna bestär av minst en av komponenterna ai) eller a2) vilka omfattar 60 - 90 vikt-% av 4,4'-diisocyana- 20 todifenyImetän, 10 - 40 vikt-% av 2,4'-diisocyanatodife- nylmetan och 0-5 vikt-% av 2,2'-diisocyanatodifenyImetän, varvid nämnda procenttal kompletteräs tili 100, i ett sädant förhällande att totalhalten av komponenterna ai) och a2) pä 2,4'-diisocyanatodifenyImetän, beräknat pä to-: 25 talhalten diisocyanatodifenylmetanisomerer, är 10 - 40 vikt-%.
9. Användning av polyisocyanatblandningar enligt nägot av patentkraven 1-4 som polyisocyanatkomponent vid framställningen av mjuka polyuretanskum.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3818769A DE3818769A1 (de) | 1988-06-02 | 1988-06-02 | Fluessige polyisocyanatmischungen, ein verfahren zu ihrer herstellung und ihre verwendung zur herstellung von polyurethan-weichschaumstoffen |
DE3818769 | 1988-06-02 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI892645A0 FI892645A0 (sv) | 1989-05-31 |
FI892645A FI892645A (sv) | 1989-12-03 |
FI95141B true FI95141B (sv) | 1995-09-15 |
FI95141C FI95141C (sv) | 1995-12-27 |
Family
ID=6355691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI892645A FI95141C (sv) | 1988-06-02 | 1989-05-31 | Flytande polyisocyanatblandningar, förfarande för deras framställning och deras användning för framställning av mjuka polyuretanskum |
Country Status (14)
Country | Link |
---|---|
US (1) | US4945117A (sv) |
EP (1) | EP0344551B1 (sv) |
JP (1) | JP2727016B2 (sv) |
KR (1) | KR910000931A (sv) |
AT (1) | ATE82757T1 (sv) |
AU (1) | AU612255B2 (sv) |
BR (1) | BR8902554A (sv) |
CA (1) | CA1308514C (sv) |
DE (2) | DE3818769A1 (sv) |
DK (1) | DK170782B1 (sv) |
ES (1) | ES2043945T3 (sv) |
FI (1) | FI95141C (sv) |
NO (1) | NO173448C (sv) |
ZA (1) | ZA894132B (sv) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02145557A (ja) * | 1988-11-28 | 1990-06-05 | Sumitomo Bayer Urethane Kk | 変性ポリメチレンポリフェニルポリイソシアネート |
DE3901189A1 (de) * | 1989-01-17 | 1990-09-20 | Bayer Ag | Verfahren zur herstellung von polyurethan-weichformschaumstoffen niedriger rohdichte |
GB8908490D0 (en) * | 1989-04-14 | 1989-06-01 | Ici Plc | Prepolymers |
IT1229755B (it) * | 1989-05-17 | 1991-09-10 | Montedipe Spa | Composizioni poliisocianiche e loro impiego nella preparazione di schiume poliuretaniche flessibili. |
JPH0733423B2 (ja) * | 1989-10-03 | 1995-04-12 | 日本ポリウレタン工業株式会社 | 軟質ポリウレタン発泡体の製造方法 |
JP2660588B2 (ja) * | 1989-11-30 | 1997-10-08 | 日本ポリウレタン工業株式会社 | 軟質ポリウレタン発泡体の製造方法 |
DE4001556A1 (de) * | 1990-01-20 | 1991-07-25 | Bayer Ag | Neue polyisocyanatmischungen und ihre verwendung bei der herstellung von weichen polyurethan-schaumstoffen |
AU636191B2 (en) * | 1990-02-01 | 1993-04-22 | Huntsman Ici Chemicals Llc | Manufacturing of polymeric foams from polyisocyanate compositions |
DE4006248A1 (de) * | 1990-02-28 | 1991-08-29 | Bayer Ag | Gemische aus urethangruppen enthaltenden praepolymeren und diisocyanatotoluolen sowie ihre verwendung |
EP0480588B1 (en) * | 1990-10-12 | 1998-05-20 | Imperial Chemical Industries Plc | Continuous process for the production of isocyanate prepolymers and polyurethane foams prepared therefrom |
US5114989A (en) * | 1990-11-13 | 1992-05-19 | The Dow Chemical Company | Isocyanate-terminated prepolymer and polyurethane foam prepared therefrom |
IT1246042B (it) * | 1990-11-16 | 1994-11-07 | Montedipe Srl | Schiume poliuretaniche flessibili e procedimento per la loro preparazione |
WO1993008224A1 (en) * | 1991-10-25 | 1993-04-29 | The Dow Chemical Company | Polyisocyanate compositions and rigid polyurethane foam therefrom |
DE4200157A1 (de) * | 1992-01-07 | 1993-07-08 | Bayer Ag | Fluessige helle polyisocyanatgemische, ein verfahren zu ihrer herstellung und ihre verwendung bei der herstellung von hellen, harten polyurethan-schaumstoffen |
IT1260446B (it) * | 1992-01-27 | 1996-04-09 | Enichem Polimeri | Schiume poliuretaniche flessibili e procedimento per la loro preparazione |
DE4203918A1 (de) * | 1992-02-11 | 1993-08-12 | Basf Ag | Verfahren zur herstellung von fluorchlorkohlenwasserstoff-freien polyurethan-weichschaumstoffen unter verwendung von urethangruppen enthaltenden polyisocyanatmischungen auf diphenylmethan-diisocyanatbasis sowie derartige modifizierte polyisocyanatmischungen |
US5491175A (en) * | 1992-04-10 | 1996-02-13 | The Dow Chemical Company | Polyurethane foam molding |
EP0566251B2 (en) * | 1992-04-16 | 2002-09-04 | Huntsman International Llc | Polyisocyanate composition |
US5621016A (en) * | 1992-04-16 | 1997-04-15 | Imperial Chemical Industries Plc | Polyisocyanate compositions and low density flexible polyurethane foams produced therewith |
CA2117740A1 (en) * | 1993-10-28 | 1995-04-29 | Michael F. Hurley | Polyisocyanate based upon 4,4'-and 2,4'-diphenylmethane diisocyanates and use thereof in a rim process |
DE4337012A1 (de) * | 1993-10-29 | 1995-05-04 | Bayer Ag | Verfahren zur Herstellung halbharter Urethangruppen aufweisender Schaumstoffe mit verbesserten Fließeigenschaften |
GB9325043D0 (en) † | 1993-12-07 | 1994-02-02 | Polyol Int Bv | Polyol compositions and their use in the preparation of high resilience polyurethane foams |
US5494942A (en) * | 1993-12-27 | 1996-02-27 | The Dow Chemical Company | Process for preparing a rigid polyurethane foam and laminate articles therewith |
DE4411781A1 (de) * | 1994-04-06 | 1995-10-12 | Basf Ag | Verfahren zur Herstellung von Fluorchlorkohlenwasserstoff freien hochelastischen Polyurethan-Weichschaumstoffen und hierfür verwendbare, mit Urethangruppen modifizierte Polyisocyanatmischungen auf Diphenylmethan-diisocyanatbasis |
TW290564B (sv) * | 1994-06-16 | 1996-11-11 | Ici Plc | |
US5674920A (en) * | 1994-12-08 | 1997-10-07 | Mitsui Toatsu Chemicals, Inc. | Flexible high resilience polyurethane foam |
CA2238420A1 (en) * | 1995-11-30 | 1997-06-05 | Leo Franciscus Verstrepen | Process for preparing a flexible polyurethane foam |
US5750583A (en) * | 1997-05-28 | 1998-05-12 | Bayer Corporation | Process for the production of molded polyurethane products |
KR100250945B1 (ko) * | 1997-07-29 | 2000-04-15 | 최종세 | 레피어직기의 그리퍼헤드를 왕복이동시키는 동력장치 |
US5874485A (en) * | 1997-11-10 | 1999-02-23 | Bayer Corporation | Flexible foams and flexible molded foams based on allophanate-modified diphenylmethane diisocyanates and processes for the production of these foams |
US5821275A (en) * | 1997-11-10 | 1998-10-13 | Bayer Corporation | Flexible foams and flexible molded foams based on liquid isocyanate-terminated allophanate-modified MDI prepolymer blends and processes for the production of these foams |
EP1252215B1 (en) * | 2000-01-17 | 2005-05-04 | Huntsman International Llc | Process for preparing a free rise or slabstock flexible polyurethane foam |
US6271279B1 (en) | 2000-07-10 | 2001-08-07 | Bayer Corporation | High resilient flexible urethane foam and flexible molded foams based on allophanate modified isocyanates |
KR100376284B1 (ko) * | 2000-10-25 | 2003-03-17 | 학교법인 한양학원 | 질소-치환 폴리우레탄계 고체 고분자 전해질 조성물 |
US6750367B2 (en) | 2002-05-09 | 2004-06-15 | Bayer Polymers Llc | Tetralin isocyanates |
PT2635617T (pt) * | 2010-11-03 | 2019-02-18 | Dow Global Technologies Llc | Sistemas de poliuretano auto esmagáveis |
EP3837295A1 (en) * | 2018-08-16 | 2021-06-23 | Basf Se | A polyisocyanate composition, a polyurethane foam obtained therefrom and use thereof |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE22617C (de) * | 1882-10-17 | 1883-06-30 | E. A. BARBET in La Madeleinelez-Lille, Frankreich | Kombination von Lochplatten und Kappen, anwendbar an Destillir- und Rectificir-Apparaten |
GB947482A (en) * | 1958-12-30 | 1964-01-22 | Isocyanate Products Inc | Novel polyurethane foams |
DE1618380C3 (de) * | 1967-03-08 | 1975-09-11 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung eines bei Raumtemperatur flüssigen Diphenylmethan-diisocyanatpräparates |
US3737391A (en) * | 1971-02-25 | 1973-06-05 | Ici America Inc | Polyethers and polyurethanes |
GB1377676A (en) * | 1972-09-21 | 1974-12-18 | Ici Ltd | Isocyanate compositions |
GB1430455A (en) * | 1973-01-29 | 1976-03-31 | Ici Ltd | Isocyanate compositions |
GB1369334A (en) * | 1973-06-05 | 1974-10-02 | Ici Ltd | Liquid isocyanate compositions |
GB1450660A (en) * | 1974-04-03 | 1976-09-22 | Ici Ltd | Polyisocyanates |
GB1444192A (en) * | 1974-04-03 | 1976-07-28 | Ici Ltd | Polyisocyanate compositions |
JPS5169596A (en) * | 1974-12-13 | 1976-06-16 | Asahi Denka Kogyo Kk | Horiuretanfuoomuno seizohoho |
DE2624526B2 (de) * | 1976-06-01 | 1981-06-25 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von modifizierten Polyisocyanaten der Diphenylmethanreihe |
US4055548A (en) * | 1976-09-17 | 1977-10-25 | The Upjohn Company | Storage-stable liquid polyisocyanate composition |
GB1596469A (en) * | 1978-04-11 | 1981-08-26 | Ici Ltd | Liquid isocyanate compositions based on diphenylmethane diisocyanate |
EP0010850B2 (en) * | 1978-10-03 | 1990-01-31 | Imperial Chemical Industries Plc | Liquid polyisocyanate compositions |
DE3241450A1 (de) * | 1982-11-10 | 1984-05-10 | Basf Ag, 6700 Ludwigshafen | Fluessige urethangruppen enthaltende polyisocyanatmischungen auf diphenylmethan-diisocyanat-basis, verfahren zu deren herstellung und deren verwendung zur herstellung von polyurethan-weichschaumstoffen |
JPS62184008A (ja) * | 1986-02-07 | 1987-08-12 | Dai Ichi Kogyo Seiyaku Co Ltd | ウレタンプレポリマ−組成物 |
NZ226008A (en) * | 1987-09-21 | 1990-11-27 | Ici Plc | Process for manufacture of polyurethane foams using methylene diphenyl isocyanates and optionally water as blowing agent |
-
1988
- 1988-06-02 DE DE3818769A patent/DE3818769A1/de not_active Withdrawn
-
1989
- 1989-04-27 AU AU33834/89A patent/AU612255B2/en not_active Ceased
- 1989-05-19 NO NO892007A patent/NO173448C/no not_active IP Right Cessation
- 1989-05-19 US US07/354,649 patent/US4945117A/en not_active Expired - Lifetime
- 1989-05-20 EP EP89109105A patent/EP0344551B1/de not_active Expired - Lifetime
- 1989-05-20 AT AT89109105T patent/ATE82757T1/de not_active IP Right Cessation
- 1989-05-20 DE DE8989109105T patent/DE58902800D1/de not_active Expired - Fee Related
- 1989-05-20 ES ES89109105T patent/ES2043945T3/es not_active Expired - Lifetime
- 1989-05-23 CA CA000600395A patent/CA1308514C/en not_active Expired - Lifetime
- 1989-05-31 FI FI892645A patent/FI95141C/sv active IP Right Grant
- 1989-05-31 JP JP1136290A patent/JP2727016B2/ja not_active Expired - Lifetime
- 1989-06-01 ZA ZA894132A patent/ZA894132B/xx unknown
- 1989-06-01 DK DK267389A patent/DK170782B1/da not_active IP Right Cessation
- 1989-06-02 KR KR1019890007571A patent/KR910000931A/ko not_active Application Discontinuation
- 1989-06-02 BR BR898902554A patent/BR8902554A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FI892645A0 (sv) | 1989-05-31 |
DK170782B1 (da) | 1996-01-15 |
NO173448B (no) | 1993-09-06 |
DE58902800D1 (de) | 1993-01-07 |
FI95141C (sv) | 1995-12-27 |
US4945117A (en) | 1990-07-31 |
KR910000931A (ko) | 1991-01-30 |
ES2043945T3 (es) | 1994-01-01 |
DK267389A (da) | 1989-12-03 |
NO892007L (no) | 1989-12-04 |
AU3383489A (en) | 1989-12-07 |
DE3818769A1 (de) | 1989-12-07 |
NO892007D0 (no) | 1989-05-19 |
NO173448C (no) | 1993-12-15 |
JPH0229417A (ja) | 1990-01-31 |
FI892645A (sv) | 1989-12-03 |
CA1308514C (en) | 1992-10-06 |
EP0344551A2 (de) | 1989-12-06 |
EP0344551A3 (en) | 1990-07-04 |
JP2727016B2 (ja) | 1998-03-11 |
EP0344551B1 (de) | 1992-11-25 |
AU612255B2 (en) | 1991-07-04 |
ZA894132B (en) | 1990-03-28 |
DK267389D0 (da) | 1989-06-01 |
ATE82757T1 (de) | 1992-12-15 |
BR8902554A (pt) | 1990-01-23 |
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