IT1035648B - Procedimento per produrre espansi poliuretanici - Google Patents
Procedimento per produrre espansi poliuretaniciInfo
- Publication number
- IT1035648B IT1035648B IT49481/75A IT4948175A IT1035648B IT 1035648 B IT1035648 B IT 1035648B IT 49481/75 A IT49481/75 A IT 49481/75A IT 4948175 A IT4948175 A IT 4948175A IT 1035648 B IT1035648 B IT 1035648B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- polyurethane foams
- producing polyurethane
- producing
- foams
- 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
- C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
- C08G18/637—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers characterised by the in situ polymerisation of the compounds having carbon-to-carbon double bonds in a reaction mixture of saturated polymers and isocyanates
-
- 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
- C08G18/638—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers characterised by the use of compounds having carbon-to-carbon double bonds other than styrene and/or olefinic nitriles
-
- 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
- C08G2110/0016—Foam properties semi-rigid
-
- 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
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 |
---|---|---|---|
DE2422547A DE2422547A1 (de) | 1974-05-09 | 1974-05-09 | Verfahren zur herstellung von polyurethanschaumstoffen |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1035648B true IT1035648B (it) | 1979-10-20 |
Family
ID=5915119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49481/75A IT1035648B (it) | 1974-05-09 | 1975-05-07 | Procedimento per produrre espansi poliuretanici |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS50153094A (it) |
BE (1) | BE828878A (it) |
DE (1) | DE2422547A1 (it) |
ES (1) | ES437494A1 (it) |
FR (1) | FR2270278B1 (it) |
GB (1) | GB1463458A (it) |
IT (1) | IT1035648B (it) |
NL (1) | NL7505409A (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4427471A1 (de) * | 1994-08-03 | 1996-02-08 | Henkel Kgaa | Einkomponentiger Reaktionsklebstoff |
WO2006007677A1 (en) * | 2004-07-16 | 2006-01-26 | Deltacap 430 Participacões Ltda | Process for obtaining a porous matrix using a chemical additive |
-
1974
- 1974-05-09 DE DE2422547A patent/DE2422547A1/de not_active Withdrawn
-
1975
- 1975-05-06 GB GB1895575A patent/GB1463458A/en not_active Expired
- 1975-05-07 JP JP50053968A patent/JPS50153094A/ja active Pending
- 1975-05-07 ES ES437494A patent/ES437494A1/es not_active Expired
- 1975-05-07 IT IT49481/75A patent/IT1035648B/it active
- 1975-05-07 NL NL7505409A patent/NL7505409A/xx unknown
- 1975-05-09 BE BE156184A patent/BE828878A/xx unknown
- 1975-05-09 FR FR7514569A patent/FR2270278B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS50153094A (it) | 1975-12-09 |
DE2422547A1 (de) | 1975-11-20 |
GB1463458A (it) | 1977-02-02 |
NL7505409A (nl) | 1975-11-11 |
ES437494A1 (es) | 1977-02-01 |
BE828878A (fr) | 1975-11-10 |
FR2270278A1 (it) | 1975-12-05 |
FR2270278B1 (it) | 1979-03-30 |
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