CA1048699A - Polyisocyanate foam having isotropic cells and method and apparatus therefor - Google Patents
Polyisocyanate foam having isotropic cells and method and apparatus thereforInfo
- Publication number
- CA1048699A CA1048699A CA75238253A CA238253A CA1048699A CA 1048699 A CA1048699 A CA 1048699A CA 75238253 A CA75238253 A CA 75238253A CA 238253 A CA238253 A CA 238253A CA 1048699 A CA1048699 A CA 1048699A
- Authority
- CA
- Canada
- Prior art keywords
- foam
- mould
- composition
- foaming
- free
- 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
- 239000006260 foam Substances 0.000 title claims abstract description 77
- 229920001228 polyisocyanate Polymers 0.000 title claims abstract description 11
- 239000005056 polyisocyanate Substances 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims description 22
- 238000005187 foaming Methods 0.000 claims abstract description 40
- 230000000630 rising effect Effects 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims description 31
- 239000011496 polyurethane foam Substances 0.000 claims description 17
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 16
- 230000000704 physical effect Effects 0.000 claims description 12
- 230000004044 response Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229920000582 polyisocyanurate Polymers 0.000 claims description 2
- 239000011495 polyisocyanurate Substances 0.000 claims description 2
- 230000007480 spreading Effects 0.000 abstract description 5
- 238000003892 spreading Methods 0.000 abstract description 5
- 239000011810 insulating material Substances 0.000 abstract description 3
- 210000004027 cell Anatomy 0.000 description 24
- 238000000465 moulding Methods 0.000 description 8
- 239000004721 Polyphenylene oxide Substances 0.000 description 6
- 229920000570 polyether Polymers 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 3
- 229930006000 Sucrose Natural products 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000005720 sucrose Substances 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000000497 foam cell Anatomy 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000003445 sucroses Chemical class 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
- B29C44/586—Moulds with a cavity increasing in size during foaming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/10—Applying counter-pressure during expanding
Landscapes
- Polyurethanes Or Polyureas (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50111453A JPS5848338B2 (ja) | 1975-09-12 | 1975-09-12 | トウホウセイキホウオユウスルポリイソシアネ−トケイハツポウタイノセイゾウホウホウ ナラビニ ソノソウチ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1048699A true CA1048699A (en) | 1979-02-13 |
Family
ID=14561594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA75238253A Expired CA1048699A (en) | 1975-09-12 | 1975-10-24 | Polyisocyanate foam having isotropic cells and method and apparatus therefor |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5848338B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1048699A (enrdf_load_stackoverflow) |
| DE (1) | DE2547549C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2323518A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1505286A (enrdf_load_stackoverflow) |
| IT (1) | IT1043738B (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4104346A (en) * | 1976-07-29 | 1978-08-01 | The Upjohn Company | Process for molding a substantially isotropic isocyanate-based polymer foam bun |
| DE2929165C2 (de) | 1979-07-19 | 1981-12-24 | Röhm GmbH, 6100 Darmstadt | Verfahren zur Herstellung einer Schaumstoffplatte |
| JPS63160809A (ja) * | 1986-12-25 | 1988-07-04 | Human Ind Corp | ウレタンフオ−ムスラブのバツチ式発泡装置 |
| DE102008007078B3 (de) * | 2008-01-31 | 2009-05-28 | Bayer Materialscience Ag | Verfahren und Vorrichtung zur Herstellung von Blockschaumstoff |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5250060A (en) * | 1975-10-20 | 1977-04-21 | Kyowa Shinku Gijutsu Kk | Vacuum defreezing process for freezed substance and its apparatus |
-
1975
- 1975-09-12 JP JP50111453A patent/JPS5848338B2/ja not_active Expired
- 1975-10-23 DE DE2547549A patent/DE2547549C3/de not_active Expired
- 1975-10-24 CA CA75238253A patent/CA1048699A/en not_active Expired
- 1975-10-24 GB GB43901/75A patent/GB1505286A/en not_active Expired
- 1975-10-28 FR FR7532971A patent/FR2323518A1/fr active Granted
- 1975-10-29 IT IT28796/75A patent/IT1043738B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| AU8596475A (en) | 1977-05-19 |
| DE2547549C3 (de) | 1979-05-10 |
| FR2323518B1 (enrdf_load_stackoverflow) | 1979-04-06 |
| FR2323518A1 (fr) | 1977-04-08 |
| DE2547549A1 (de) | 1977-03-24 |
| GB1505286A (en) | 1978-03-30 |
| IT1043738B (it) | 1980-02-29 |
| JPS5848338B2 (ja) | 1983-10-27 |
| DE2547549B2 (de) | 1978-09-21 |
| JPS5235296A (en) | 1977-03-17 |
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