DE2900525A1 - Verfahren zum herstellen von bloecken aus polyurethanschaeumen - Google Patents
Verfahren zum herstellen von bloecken aus polyurethanschaeumenInfo
- Publication number
- DE2900525A1 DE2900525A1 DE19792900525 DE2900525A DE2900525A1 DE 2900525 A1 DE2900525 A1 DE 2900525A1 DE 19792900525 DE19792900525 DE 19792900525 DE 2900525 A DE2900525 A DE 2900525A DE 2900525 A1 DE2900525 A1 DE 2900525A1
- Authority
- DE
- Germany
- Prior art keywords
- foam
- area
- temperature
- conveyor belt
- time
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 26
- 229920005830 Polyurethane Foam Polymers 0.000 title claims description 16
- 239000011496 polyurethane foam Substances 0.000 title claims description 16
- 230000008569 process Effects 0.000 title claims description 9
- 239000006260 foam Substances 0.000 claims description 63
- 238000005187 foaming Methods 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 238000001035 drying Methods 0.000 claims description 17
- 238000007711 solidification Methods 0.000 claims description 13
- 230000008023 solidification Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 8
- 239000000109 continuous material Substances 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 description 5
- 229920005862 polyol Polymers 0.000 description 5
- 150000003077 polyols Chemical class 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229920001228 polyisocyanate Polymers 0.000 description 4
- 239000005056 polyisocyanate Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004604 Blowing Agent Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 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
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/28—Expanding the moulding material on continuous moving surfaces without restricting the upwards growth of the foam
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Polyurethanes Or Polyureas (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES466102A ES466102A1 (es) | 1978-01-18 | 1978-01-18 | Procedimiento para eliminar la densificacion de la zona del fondo en la fabricacion de bloques de espuma de poliuretano. |
| ES473730A ES473730A2 (es) | 1978-09-28 | 1978-09-28 | Mejoras introducidas en el objeto de la patente principal por procedimiento para eliminar la densificacion de la zona del fondo en la fabricacion de bloques de espuma de poliure-tano. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2900525A1 true DE2900525A1 (de) | 1979-07-19 |
| DE2900525C2 DE2900525C2 (en, 2012) | 1988-03-31 |
Family
ID=26155941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792900525 Granted DE2900525A1 (de) | 1978-01-18 | 1979-01-08 | Verfahren zum herstellen von bloecken aus polyurethanschaeumen |
Country Status (18)
| Country | Link |
|---|---|
| AT (1) | AT381277B (en, 2012) |
| AU (1) | AU521610B2 (en, 2012) |
| BR (1) | BR7900294A (en, 2012) |
| CA (1) | CA1130523A (en, 2012) |
| CH (1) | CH635028A5 (en, 2012) |
| DE (1) | DE2900525A1 (en, 2012) |
| DK (1) | DK153303C (en, 2012) |
| FI (1) | FI783792A7 (en, 2012) |
| FR (1) | FR2414996A1 (en, 2012) |
| GB (1) | GB2012657B (en, 2012) |
| GR (1) | GR63066B (en, 2012) |
| IT (1) | IT1114302B (en, 2012) |
| MX (1) | MX150391A (en, 2012) |
| NL (1) | NL7900372A (en, 2012) |
| NO (1) | NO790027L (en, 2012) |
| PT (1) | PT69056A (en, 2012) |
| SE (1) | SE420582B (en, 2012) |
| YU (1) | YU7479A (en, 2012) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2722841A1 (de) * | 1976-05-24 | 1977-12-08 | Roday Espumaciones Ind | Verfahren zur minimierung der verdichteten umfangsflaechenbereiche von bloecken aus biegsamen polyurethan-schaumstoffen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES423754A1 (es) * | 1974-02-28 | 1976-05-01 | Policastilla | Nuevo procedimiento para la fabricacion de un bloque de ma-terial celular expandido con seccion circular y diametro va-riable. |
| DE2517664C3 (de) * | 1975-04-22 | 1981-06-19 | Metzeler Schaum Gmbh, 8940 Memmingen | Verfahren zur kontinuierlichen Herstellen von rechteckigen Schaumstoffblöcken |
| ES215157Y (es) * | 1975-09-16 | 1976-12-01 | Policastilla, S. A. | Dispositivo perfeccionado para la fabricacion continua de bloques de material celular expandido con seccion circular. |
| DE2748733A1 (de) * | 1977-10-29 | 1979-05-10 | 5090 Leverkusen | Verfahren und einrichtung zum kontinuierlichen herstellen von blockfoermigem schaumstoff |
-
1978
- 1978-12-08 FI FI783792A patent/FI783792A7/fi unknown
- 1978-12-21 AU AU42789/78A patent/AU521610B2/en not_active Expired
- 1978-12-29 GB GB7850274A patent/GB2012657B/en not_active Expired
- 1978-12-29 AT AT0937278A patent/AT381277B/de active
-
1979
- 1979-01-03 FR FR7900122A patent/FR2414996A1/fr active Granted
- 1979-01-04 NO NO790027A patent/NO790027L/no unknown
- 1979-01-05 IT IT47543/79A patent/IT1114302B/it active
- 1979-01-08 DE DE19792900525 patent/DE2900525A1/de active Granted
- 1979-01-10 PT PT69056A patent/PT69056A/pt unknown
- 1979-01-11 SE SE7900266A patent/SE420582B/sv not_active IP Right Cessation
- 1979-01-15 YU YU00074/79A patent/YU7479A/xx unknown
- 1979-01-16 CH CH40779A patent/CH635028A5/de not_active IP Right Cessation
- 1979-01-16 BR BR7900294A patent/BR7900294A/pt unknown
- 1979-01-17 MX MX176314A patent/MX150391A/es unknown
- 1979-01-17 CA CA319,766A patent/CA1130523A/en not_active Expired
- 1979-01-17 GR GR58116A patent/GR63066B/el unknown
- 1979-01-17 NL NL7900372A patent/NL7900372A/xx not_active Application Discontinuation
- 1979-01-18 DK DK021979A patent/DK153303C/da not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2722841A1 (de) * | 1976-05-24 | 1977-12-08 | Roday Espumaciones Ind | Verfahren zur minimierung der verdichteten umfangsflaechenbereiche von bloecken aus biegsamen polyurethan-schaumstoffen |
Also Published As
| Publication number | Publication date |
|---|---|
| YU7479A (en) | 1982-10-31 |
| GB2012657A (en) | 1979-08-01 |
| FR2414996B1 (en, 2012) | 1983-11-18 |
| NO790027L (no) | 1979-07-19 |
| SE7900266L (sv) | 1979-07-19 |
| IT7947543A0 (it) | 1979-01-05 |
| PT69056A (en) | 1979-02-01 |
| DE2900525C2 (en, 2012) | 1988-03-31 |
| CH635028A5 (de) | 1983-03-15 |
| DK21979A (da) | 1979-07-19 |
| BR7900294A (pt) | 1979-08-14 |
| DK153303C (da) | 1988-11-14 |
| GB2012657B (en) | 1982-03-31 |
| AU4278978A (en) | 1979-07-26 |
| CA1130523A (en) | 1982-08-31 |
| MX150391A (es) | 1984-04-30 |
| NL7900372A (nl) | 1979-07-20 |
| ATA937278A (de) | 1986-02-15 |
| AU521610B2 (en) | 1982-04-22 |
| IT1114302B (it) | 1986-01-27 |
| AT381277B (de) | 1986-09-25 |
| SE420582B (sv) | 1981-10-19 |
| FI783792A7 (fi) | 1979-07-19 |
| DK153303B (da) | 1988-07-04 |
| FR2414996A1 (fr) | 1979-08-17 |
| GR63066B (en) | 1979-08-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: B29C 39/16 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |