DE2714518C2 - - Google Patents
Info
- Publication number
- DE2714518C2 DE2714518C2 DE2714518A DE2714518A DE2714518C2 DE 2714518 C2 DE2714518 C2 DE 2714518C2 DE 2714518 A DE2714518 A DE 2714518A DE 2714518 A DE2714518 A DE 2714518A DE 2714518 C2 DE2714518 C2 DE 2714518C2
- Authority
- DE
- Germany
- Prior art keywords
- isocyanate index
- compression set
- reaction mixture
- foam
- polyether
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 claims description 10
- 239000012948 isocyanate Substances 0.000 claims description 9
- 150000002513 isocyanates Chemical class 0.000 claims description 9
- 229920000570 polyether Polymers 0.000 claims description 7
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 4
- 239000011541 reaction mixture Substances 0.000 claims description 4
- 239000004604 Blowing Agent Substances 0.000 claims description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002984 plastic foam Substances 0.000 claims description 3
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 3
- 229920002323 Silicone foam Polymers 0.000 claims description 2
- -1 accelerators Substances 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 239000013514 silicone foam Substances 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 239000006260 foam Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 229920005830 Polyurethane Foam Polymers 0.000 description 3
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 3
- 239000011496 polyurethane foam Substances 0.000 description 3
- 230000006735 deficit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004872 foam stabilizing agent Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 239000004618 solid polyurethane elastomer Substances 0.000 description 1
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
-
- 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
-
- 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
- C08G2110/0075—Foam properties prepared with an isocyanate index of 60 or lower
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Polyurethanes Or Polyureas (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772714518 DE2714518A1 (de) | 1977-04-01 | 1977-04-01 | Verfahren zum herstellen von polyurethanschaumkoerpern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772714518 DE2714518A1 (de) | 1977-04-01 | 1977-04-01 | Verfahren zum herstellen von polyurethanschaumkoerpern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2714518A1 DE2714518A1 (de) | 1978-10-05 |
| DE2714518C2 true DE2714518C2 (enrdf_load_stackoverflow) | 1989-12-28 |
Family
ID=6005312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772714518 Granted DE2714518A1 (de) | 1977-04-01 | 1977-04-01 | Verfahren zum herstellen von polyurethanschaumkoerpern |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2714518A1 (enrdf_load_stackoverflow) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4008189A (en) * | 1974-06-03 | 1977-02-15 | Olin Corporation | Hydrophilic polyurethane foam |
-
1977
- 1977-04-01 DE DE19772714518 patent/DE2714518A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2714518A1 (de) | 1978-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OGA | New person/name/address of the applicant | ||
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |