CS198260B2 - Method of preparing polyurethan foams - Google Patents
Method of preparing polyurethan foams Download PDFInfo
- Publication number
- CS198260B2 CS198260B2 CS774513A CS451377A CS198260B2 CS 198260 B2 CS198260 B2 CS 198260B2 CS 774513 A CS774513 A CS 774513A CS 451377 A CS451377 A CS 451377A CS 198260 B2 CS198260 B2 CS 198260B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- process according
- polyisocyanates
- reaction products
- polyols
- ratio
- 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
- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3819—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
- C08G18/3823—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups
- C08G18/3831—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups containing urethane 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
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)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT25181/76A IT1064599B (it) | 1976-07-09 | 1976-07-09 | Polioli modificati |
Publications (1)
Publication Number | Publication Date |
---|---|
CS198260B2 true CS198260B2 (en) | 1980-05-30 |
Family
ID=11215935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS774513A CS198260B2 (en) | 1976-07-09 | 1977-07-06 | Method of preparing polyurethan foams |
Country Status (16)
Country | Link |
---|---|
US (1) | US4120834A (hr) |
JP (1) | JPS539741A (hr) |
BE (1) | BE856610A (hr) |
CA (1) | CA1114990A (hr) |
CS (1) | CS198260B2 (hr) |
DE (1) | DE2731012A1 (hr) |
DK (1) | DK301677A (hr) |
ES (1) | ES460546A1 (hr) |
FI (1) | FI772100A (hr) |
FR (1) | FR2357590A1 (hr) |
GB (1) | GB1589583A (hr) |
IT (1) | IT1064599B (hr) |
NL (1) | NL7707427A (hr) |
NO (1) | NO145245C (hr) |
SE (1) | SE7707853L (hr) |
SU (1) | SU900816A3 (hr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2834623A1 (de) * | 1978-08-08 | 1980-02-28 | Bayer Ag | Stabilisierte fuellstoffsuspensionen in polyolen |
US4288577A (en) * | 1979-12-14 | 1981-09-08 | E. I. Du Pont De Nemours And Company | Novel urethanediols and polyurethanes therefrom |
EP0045413A1 (en) * | 1980-07-31 | 1982-02-10 | Basf Wyandotte Corporation | Flexible polyurethane foam compositions and methods for the preparation |
DE3110724A1 (de) | 1981-03-19 | 1982-10-07 | Bayer Ag, 5090 Leverkusen | Loesungen von oligourethan-ethern in polyetherpolyolen und deren verwendung in einem verfahren zur herstellung von polyurethan-schaumstoffen guter hochfrequenz-verschweissbarkeit und guter flammkaschierbarkeit |
US4489177A (en) * | 1983-12-29 | 1984-12-18 | Olin Corporation | Isocyanate-reactive compounds from TDI distillation residue and polyurethanes prepared therefrom |
US4546122A (en) * | 1984-08-06 | 1985-10-08 | Mobay Chemical Corporation | Flexible polyurethane foams |
JPH0568409U (ja) * | 1991-03-08 | 1993-09-17 | 日本利器工業株式会社 | 爪切器 |
CN105143296B (zh) | 2013-02-25 | 2018-06-12 | 巴斯夫欧洲公司 | 通过引入脂族异氰酸酯降低基于聚合物多元醇的热塑性聚氨酯的变色 |
EP3498744A1 (de) * | 2017-12-18 | 2019-06-19 | Covestro Deutschland AG | Flammgeschützte polyurethan-hartschaumstoffe |
EP3498745A1 (de) * | 2017-12-18 | 2019-06-19 | Covestro Deutschland AG | Flammgeschützte polyurethan-hartschaumstoffe |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2948691A (en) * | 1951-05-10 | 1960-08-09 | Mobay Chemical Corp | High molecular weight polyether urethane polymers |
BE589613A (hr) * | 1959-04-10 | |||
GB1448933A (en) * | 1974-02-14 | 1976-09-08 | Shell Int Research | Process for preparing polyurethane products |
-
1976
- 1976-07-09 IT IT25181/76A patent/IT1064599B/it active
-
1977
- 1977-07-05 NO NO772378A patent/NO145245C/no unknown
- 1977-07-05 NL NL7707427A patent/NL7707427A/xx not_active Application Discontinuation
- 1977-07-05 FI FI772100A patent/FI772100A/fi not_active Application Discontinuation
- 1977-07-05 DK DK301677A patent/DK301677A/da not_active Application Discontinuation
- 1977-07-05 SE SE7707853A patent/SE7707853L/xx not_active Application Discontinuation
- 1977-07-06 US US05/813,417 patent/US4120834A/en not_active Expired - Lifetime
- 1977-07-06 FR FR7720801A patent/FR2357590A1/fr active Granted
- 1977-07-06 CS CS774513A patent/CS198260B2/cs unknown
- 1977-07-06 GB GB28297/77A patent/GB1589583A/en not_active Expired
- 1977-07-07 CA CA282,277A patent/CA1114990A/en not_active Expired
- 1977-07-08 ES ES460546A patent/ES460546A1/es not_active Expired
- 1977-07-08 BE BE179176A patent/BE856610A/xx unknown
- 1977-07-08 SU SU772501308A patent/SU900816A3/ru active
- 1977-07-08 JP JP8112677A patent/JPS539741A/ja active Pending
- 1977-07-08 DE DE19772731012 patent/DE2731012A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
IT1064599B (it) | 1985-02-18 |
GB1589583A (en) | 1981-05-13 |
BE856610A (fr) | 1978-01-09 |
NO145245B (no) | 1981-11-02 |
DE2731012A1 (de) | 1978-01-12 |
SU900816A3 (ru) | 1982-01-23 |
ES460546A1 (es) | 1978-05-16 |
FI772100A (hr) | 1978-01-10 |
US4120834A (en) | 1978-10-17 |
FR2357590B1 (hr) | 1980-03-14 |
SE7707853L (sv) | 1978-01-10 |
DK301677A (da) | 1978-01-10 |
NL7707427A (nl) | 1978-01-11 |
FR2357590A1 (fr) | 1978-02-03 |
NO772378L (no) | 1978-01-10 |
CA1114990A (en) | 1981-12-22 |
NO145245C (no) | 1982-02-10 |
JPS539741A (en) | 1978-01-28 |
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