IT1071488B - Procedimento per la fabbricazione di poliuretani cellulari e prodotto cosi'ottenuto - Google Patents
Procedimento per la fabbricazione di poliuretani cellulari e prodotto cosi'ottenutoInfo
- Publication number
- IT1071488B IT1071488B IT2377576A IT2377576A IT1071488B IT 1071488 B IT1071488 B IT 1071488B IT 2377576 A IT2377576 A IT 2377576A IT 2377576 A IT2377576 A IT 2377576A IT 1071488 B IT1071488 B IT 1071488B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- manufacture
- product
- cellular polyurethane
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4244—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups
- C08G18/4247—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups derived from polyols containing at least one ether group and polycarboxylic acids
- C08G18/425—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups derived from polyols containing at least one ether group and polycarboxylic acids the polyols containing one or two ether 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
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation 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
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4244—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2343275A GB1479096A (en) | 1975-05-29 | 1975-05-29 | Polymeric materials |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1071488B true IT1071488B (it) | 1985-04-10 |
Family
ID=10195527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2377576A IT1071488B (it) | 1975-05-29 | 1976-05-28 | Procedimento per la fabbricazione di poliuretani cellulari e prodotto cosi'ottenuto |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR2312518A1 (it) |
GB (1) | GB1479096A (it) |
IT (1) | IT1071488B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1590554A (en) * | 1977-03-16 | 1981-06-03 | Mccord Corp | Cold impact resistant urethane foam |
DE2815540A1 (de) * | 1978-04-11 | 1979-10-25 | Basf Ag | Polyurethan-weichschaumstoffe mit hoher trag- und stossabsorptionsfaehigkeit |
GB2119393B (en) * | 1982-04-08 | 1985-12-11 | Caligen Foam Ltd | Polyurethane foam |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB893075A (en) * | 1959-01-30 | 1962-04-04 | Ici Ltd | Improvements in or relating to the manufacture of polymeric materials |
GB897203A (en) * | 1959-08-14 | 1962-05-23 | Ici Ltd | Improvements in or relating to the manufacture of polymeric materials |
GB1406511A (en) * | 1973-01-19 | 1975-09-17 | Ici Ltd | Cellular polyurethanes |
-
1975
- 1975-05-29 GB GB2343275A patent/GB1479096A/en not_active Expired
-
1976
- 1976-05-28 FR FR7616269A patent/FR2312518A1/fr not_active Withdrawn
- 1976-05-28 IT IT2377576A patent/IT1071488B/it active
Also Published As
Publication number | Publication date |
---|---|
GB1479096A (en) | 1977-07-06 |
FR2312518A1 (fr) | 1976-12-24 |
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