IT1037434B - PROCEDURE FOR THE PREPARATION OF POLYURETHANE EXPANSION WITH IMPROVED ELASTICITY - Google Patents
PROCEDURE FOR THE PREPARATION OF POLYURETHANE EXPANSION WITH IMPROVED ELASTICITYInfo
- Publication number
- IT1037434B IT1037434B IT22506/75A IT2250675A IT1037434B IT 1037434 B IT1037434 B IT 1037434B IT 22506/75 A IT22506/75 A IT 22506/75A IT 2250675 A IT2250675 A IT 2250675A IT 1037434 B IT1037434 B IT 1037434B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- preparation
- improved elasticity
- polyurethane expansion
- polyurethane
- 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
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
-
- 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
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/2815—Monohydroxy compounds
- C08G18/283—Compounds containing ether groups, e.g. oxyalkylated monohydroxy compounds
-
- 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
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
-
- 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
- C08G2110/0083—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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7413635A FR2268036A1 (en) | 1974-04-19 | 1974-04-19 | Polyurethane soft foams - obtd. from particular polyether polyols, polyisocyantes and crosslinking agents |
FR7508881A FR2304632A2 (en) | 1975-03-21 | 1975-03-21 | Polyurethane soft foams - obtd. from particular polyether polyols, polyisocyantes and crosslinking agents |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1037434B true IT1037434B (en) | 1979-11-10 |
Family
ID=26218286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22506/75A IT1037434B (en) | 1974-04-19 | 1975-04-18 | PROCEDURE FOR THE PREPARATION OF POLYURETHANE EXPANSION WITH IMPROVED ELASTICITY |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT344403B (en) |
CH (1) | CH602816A5 (en) |
DE (1) | DE2517281A1 (en) |
ES (1) | ES436670A1 (en) |
GB (1) | GB1480972A (en) |
IT (1) | IT1037434B (en) |
NL (1) | NL160849C (en) |
SE (1) | SE7503966L (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3066568D1 (en) * | 1979-07-11 | 1984-03-22 | Ici Plc | Prepolymers, polyisocyanate compositions prepared therefrom and their use in the preparation of polyurethane foams |
US5011908A (en) * | 1988-07-12 | 1991-04-30 | Arco Chemical Technology, Inc. | Polymer polyol compositions and their use in the preparation of polyurethane foams |
US5171759A (en) * | 1988-07-12 | 1992-12-15 | Arco Chemical Technology, L.P. | Polymer polyol compositions and their use in the preparation of polyurethane foams |
US4950694A (en) * | 1989-06-29 | 1990-08-21 | Union Carbide Chemicals And Plastics Company Inc. | Preparation of polyurethane foams without using inert blowing agents |
DE4129666C2 (en) * | 1991-09-06 | 1996-12-12 | Stankiewicz Gmbh | Process for the production of a viscoelastic damping foam with an adhesive surface |
DE4202992A1 (en) * | 1992-02-03 | 1993-08-05 | Bayer Ag | METHOD FOR PRODUCING ELASTIC, OPEN-CELLED PUR SOFT FOAMS |
DE4203918A1 (en) * | 1992-02-11 | 1993-08-12 | Basf Ag | METHOD FOR THE PRODUCTION OF FLUOROCHLORINE-HYDROGEN-FREE POLYURETHANE SOFT FOAMS USING POLYISOCYANATE MIXTURES ON DIPHENYLMETHANE DIISOCYANIZATE POLYISOCYANIZED ASYANIZED ASYANIZED ASYANIZED ASYANATE BASE |
DE4204395A1 (en) * | 1992-02-14 | 1993-08-19 | Bayer Ag | METHOD FOR THE PRODUCTION OF CALTENING POLYURETHANIC SOFT FORMULA SUBSTANCES |
GB9325043D0 (en) * | 1993-12-07 | 1994-02-02 | Polyol Int Bv | Polyol compositions and their use in the preparation of high resilience polyurethane foams |
DE10111823A1 (en) | 2001-03-13 | 2002-09-26 | Basf Ag | Preparation of soft polyurethane foam, useful e.g. in mattresses and furniture, using block polyoxypropylene-polyoxyethylene polyol with specific hydroxy number |
PL2736935T3 (en) * | 2011-07-26 | 2019-06-28 | Huntsman International Llc | Process for making a flexible polyurethane foam |
-
1975
- 1975-04-07 SE SE7503966A patent/SE7503966L/en unknown
- 1975-04-17 AT AT293675A patent/AT344403B/en not_active IP Right Cessation
- 1975-04-17 GB GB15921/75A patent/GB1480972A/en not_active Expired
- 1975-04-17 ES ES436670A patent/ES436670A1/en not_active Expired
- 1975-04-17 CH CH492675A patent/CH602816A5/xx not_active IP Right Cessation
- 1975-04-18 NL NL7504635.A patent/NL160849C/en not_active IP Right Cessation
- 1975-04-18 DE DE19752517281 patent/DE2517281A1/en not_active Withdrawn
- 1975-04-18 IT IT22506/75A patent/IT1037434B/en active
Also Published As
Publication number | Publication date |
---|---|
DE2517281A1 (en) | 1975-10-23 |
ATA293675A (en) | 1977-11-15 |
ES436670A1 (en) | 1977-05-01 |
SE7503966L (en) | 1975-10-20 |
NL7504635A (en) | 1975-10-21 |
GB1480972A (en) | 1977-07-27 |
CH602816A5 (en) | 1978-08-15 |
NL160849B (en) | 1979-07-16 |
AT344403B (en) | 1978-07-25 |
NL160849C (en) | 1979-12-17 |
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