IE922505A1 - Three stage cooling of porous materials - Google Patents
Three stage cooling of porous materialsInfo
- Publication number
- IE922505A1 IE922505A1 IE250592A IE922505A IE922505A1 IE 922505 A1 IE922505 A1 IE 922505A1 IE 250592 A IE250592 A IE 250592A IE 922505 A IE922505 A IE 922505A IE 922505 A1 IE922505 A1 IE 922505A1
- Authority
- IE
- Ireland
- Prior art keywords
- air
- cooling
- ambient air
- polyurethane
- foam material
- Prior art date
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 158
- 239000011148 porous material Substances 0.000 title claims description 17
- 239000000203 mixture Substances 0.000 claims abstract description 201
- 238000009472 formulation Methods 0.000 claims abstract description 155
- 239000012080 ambient air Substances 0.000 claims abstract description 98
- 238000000034 method Methods 0.000 claims abstract description 94
- 239000006260 foam Substances 0.000 claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 229910001868 water Inorganic materials 0.000 claims abstract description 69
- 239000006261 foam material Substances 0.000 claims abstract description 60
- 238000005187 foaming Methods 0.000 claims abstract description 43
- 239000004604 Blowing Agent Substances 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 31
- 231100000331 toxic Toxicity 0.000 claims abstract description 10
- 230000002588 toxic effect Effects 0.000 claims abstract description 10
- 230000003647 oxidation Effects 0.000 claims abstract description 6
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 6
- 239000003570 air Substances 0.000 claims description 134
- 229920002635 polyurethane Polymers 0.000 claims description 121
- 239000004814 polyurethane Substances 0.000 claims description 121
- 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 54
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 53
- 239000011496 polyurethane foam Substances 0.000 claims description 53
- 229920005862 polyol Polymers 0.000 claims description 46
- 150000003077 polyols Chemical class 0.000 claims description 45
- 238000006243 chemical reaction Methods 0.000 claims description 35
- 238000004132 cross linking Methods 0.000 claims description 27
- 239000004088 foaming agent Substances 0.000 claims description 23
- 239000012298 atmosphere Substances 0.000 claims description 20
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 19
- 238000004064 recycling Methods 0.000 claims description 16
- 230000002829 reductive effect Effects 0.000 claims description 16
- 230000003247 decreasing effect Effects 0.000 claims description 14
- 238000013022 venting Methods 0.000 claims description 13
- 239000003344 environmental pollutant Substances 0.000 claims description 12
- 231100000719 pollutant Toxicity 0.000 claims description 12
- 239000003039 volatile agent Substances 0.000 claims description 12
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 11
- 239000012948 isocyanate Substances 0.000 claims description 11
- 239000003963 antioxidant agent Substances 0.000 claims description 10
- 125000005442 diisocyanate group Chemical group 0.000 claims description 10
- -1 isocyanate compound Chemical class 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 7
- 229920000570 polyether Polymers 0.000 claims description 7
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- 239000004902 Softening Agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- 230000001747 exhibiting effect Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 5
- 230000032258 transport Effects 0.000 claims description 5
- 229920002125 Sokalan® Polymers 0.000 claims description 4
- 239000004584 polyacrylic acid Substances 0.000 claims description 4
- 159000000000 sodium salts Chemical class 0.000 claims description 4
- 238000007872 degassing Methods 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 2
- 235000006708 antioxidants Nutrition 0.000 claims 7
- 239000000376 reactant Substances 0.000 claims 6
- 238000010438 heat treatment Methods 0.000 claims 5
- 238000001914 filtration Methods 0.000 claims 4
- 238000002485 combustion reaction Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000002411 adverse Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 32
- 239000003517 fume Substances 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 38
- 238000001723 curing Methods 0.000 description 32
- 238000007373 indentation Methods 0.000 description 29
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 27
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 19
- 239000004322 Butylated hydroxytoluene Substances 0.000 description 18
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 18
- 230000000704 physical effect Effects 0.000 description 17
- 238000012360 testing method Methods 0.000 description 12
- 239000000047 product Substances 0.000 description 9
- 150000001408 amides Chemical class 0.000 description 8
- 230000007423 decrease Effects 0.000 description 8
- 238000005755 formation reaction Methods 0.000 description 8
- 150000002513 isocyanates Chemical class 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000013459 approach Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000112 cooling gas Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000004094 surface-active agent Substances 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 239000005056 polyisocyanate Chemical class 0.000 description 5
- 229920001228 polyisocyanate Chemical class 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 230000003292 diminished effect Effects 0.000 description 4
- 238000002845 discoloration Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000012432 intermediate storage Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 238000000859 sublimation Methods 0.000 description 4
- 230000008022 sublimation Effects 0.000 description 4
- 239000012974 tin catalyst Substances 0.000 description 4
- 101100027969 Caenorhabditis elegans old-1 gene Proteins 0.000 description 3
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- KJAMZCVTJDTESW-UHFFFAOYSA-N tiracizine Chemical compound C1CC2=CC=CC=C2N(C(=O)CN(C)C)C2=CC(NC(=O)OCC)=CC=C21 KJAMZCVTJDTESW-UHFFFAOYSA-N 0.000 description 3
- OVBFMUAFNIIQAL-UHFFFAOYSA-N 1,4-diisocyanatobutane Chemical compound O=C=NCCCCN=C=O OVBFMUAFNIIQAL-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 229920000265 Polyparaphenylene Polymers 0.000 description 2
- 229920002396 Polyurea Polymers 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 238000010640 amide synthesis reaction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000006664 bond formation reaction Methods 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- 239000011874 heated mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 2
- 150000005691 triesters Chemical class 0.000 description 2
- 150000004072 triols Chemical class 0.000 description 2
- AVWRKZWQTYIKIY-UHFFFAOYSA-N urea-1-carboxylic acid Chemical compound NC(=O)NC(O)=O AVWRKZWQTYIKIY-UHFFFAOYSA-N 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- VGHSXKTVMPXHNG-UHFFFAOYSA-N 1,3-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC(N=C=O)=C1 VGHSXKTVMPXHNG-UHFFFAOYSA-N 0.000 description 1
- CDMDQYCEEKCBGR-UHFFFAOYSA-N 1,4-diisocyanatocyclohexane Chemical compound O=C=NC1CCC(N=C=O)CC1 CDMDQYCEEKCBGR-UHFFFAOYSA-N 0.000 description 1
- SBJCUZQNHOLYMD-UHFFFAOYSA-N 1,5-Naphthalene diisocyanate Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1N=C=O SBJCUZQNHOLYMD-UHFFFAOYSA-N 0.000 description 1
- VZDIRINETBAVAV-UHFFFAOYSA-N 2,4-diisocyanato-1-methylcyclohexane Chemical compound CC1CCC(N=C=O)CC1N=C=O VZDIRINETBAVAV-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- 229910014033 C-OH Inorganic materials 0.000 description 1
- 101100037762 Caenorhabditis elegans rnh-2 gene Proteins 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910014570 C—OH Inorganic materials 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- IXQBIOPGDNZYNA-UHFFFAOYSA-N N=C=O.N=C=O.CC1=CC=CC=C1C1=CC=CC=C1C Chemical compound N=C=O.N=C=O.CC1=CC=CC=C1C1=CC=CC=C1C IXQBIOPGDNZYNA-UHFFFAOYSA-N 0.000 description 1
- LEBHYCAGGULKHL-UHFFFAOYSA-N N=C=O.N=C=O.COC1(OC)CC=CC=C1C1=CC=CC=C1 Chemical compound N=C=O.N=C=O.COC1(OC)CC=CC=C1C1=CC=CC=C1 LEBHYCAGGULKHL-UHFFFAOYSA-N 0.000 description 1
- QORUGOXNWQUALA-UHFFFAOYSA-N N=C=O.N=C=O.N=C=O.C1=CC=C(C(C2=CC=CC=C2)C2=CC=CC=C2)C=C1 Chemical compound N=C=O.N=C=O.N=C=O.C1=CC=C(C(C2=CC=CC=C2)C2=CC=CC=C2)C=C1 QORUGOXNWQUALA-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229940095259 butylated hydroxytoluene Drugs 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 150000003672 ureas 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
- B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
-
- 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
- B29C44/3402—Details of processes or apparatus for reducing environmental damage or for working-up compositions comprising inert blowing agents or biodegradable components
-
- 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
- B29C44/56—After-treatment of articles, e.g. for altering the shape
-
- 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
- B29C44/56—After-treatment of articles, e.g. for altering the shape
- B29C44/5609—Purging of residual gas, e.g. noxious or explosive blowing agents
-
- 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
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/918—Physical aftertreatment of a cellular product
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Environmental Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Polyurethanes Or Polyureas (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Molding Of Porous Articles (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Laminated Bodies (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/738,402 US5171756A (en) | 1991-07-31 | 1991-07-31 | Three stage cooling of porous materials |
Publications (1)
Publication Number | Publication Date |
---|---|
IE922505A1 true IE922505A1 (en) | 1993-02-10 |
Family
ID=24967856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE250592A IE922505A1 (en) | 1991-07-31 | 1992-07-30 | Three stage cooling of porous materials |
Country Status (12)
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5373028A (en) * | 1991-08-20 | 1994-12-13 | The Dow Chemical Company | Polyurethane foams having reduced visible emissions during curing |
US5409649A (en) * | 1992-07-22 | 1995-04-25 | L&P Property Management Company | Method of forming foam buns having no skin on a surface |
US5382602A (en) * | 1993-06-09 | 1995-01-17 | Duffy; Robert D. | Flexible slabstock polyurethane foam formulation for a rapid-cool process |
US6022205A (en) * | 1998-07-06 | 2000-02-08 | Tas Enterprise, L.L.C. | System for producing and conditioning blocks of flexible polyurethane foam |
US7008973B2 (en) * | 2003-01-14 | 2006-03-07 | Pabu Services, Inc. | Vacuum cooled foams |
US20070078193A1 (en) * | 2005-08-31 | 2007-04-05 | Gilder Stephen D | Strut-reinforced, reduced VOC polyurethane foam |
US20070066697A1 (en) * | 2005-08-31 | 2007-03-22 | Gilder Stephen D | Strut-reinforced polyurethane foam |
US20100174006A1 (en) * | 2005-09-20 | 2010-07-08 | Sleep Innovations, Inc. | Strut-Reinforced, Reduced VOC Polyurethane Foam |
EP2425954B1 (en) * | 2009-04-28 | 2016-03-30 | Asahi Kasei Construction Materials Corporation | Device for forming thermosetting resin foam plate and method of manufacturing thermosetting resin foam plate |
CN103522481B (zh) * | 2013-10-27 | 2016-06-22 | 哈尔滨新金东海绵制造有限公司 | 软质pu圆泡的后处理装置及处理方法 |
CN107234772A (zh) * | 2017-06-26 | 2017-10-10 | 苏州派艾格包装材料有限公司 | 一种用于发泡机的冷却塑化架 |
DE102018209421A1 (de) * | 2018-06-13 | 2019-12-19 | Albrecht Bäumer GmbH & Co.KG Spezialmaschinenfabrik | Vorrichtung zum Lagern und Transport von großvolumigen Schaumstoffblöcken |
KR200498086Y1 (ko) * | 2021-08-30 | 2024-06-20 | 주식회사 디와이이엔지 | 과자 제조장치의 냉각 터널장치 |
CN114425506A (zh) * | 2021-12-31 | 2022-05-03 | 江苏御科机械有限公司 | 水下作业特殊场合下的高可靠性起重葫芦的生产方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3061885A (en) * | 1959-09-08 | 1962-11-06 | Goodyear Tire & Rubber | Treatment of polyurethane foams |
US3890414A (en) * | 1971-02-22 | 1975-06-17 | Michael Anthony Ricciardi | Rapid cooling process for improving quality of polyurethane foam |
US3874830A (en) * | 1973-05-16 | 1975-04-01 | Maryland Cup Corp | Apparatus for post treating preformed foam containers |
DE2456421A1 (de) * | 1974-11-29 | 1976-08-12 | Continental Gummi Werke Ag | Verfahren zur verhuetung von selbstentzuendungen in polyurethan-schaumstoffbloecken und einrichtung zur durchfuehrung des verfahrens |
US4228076A (en) * | 1978-02-10 | 1980-10-14 | Foam Cutting Engineers, Inc. | Method of densifying open-celled polyurethane material |
USRE32032E (en) * | 1978-02-10 | 1985-11-19 | Foam Cutting Engineers, Inc. | Method of densifying open-celled polyurethane material |
JPS54163969A (en) * | 1978-02-10 | 1979-12-27 | Foam Cutting Eng | Method of densifying open cell polyurethane material |
US4344903A (en) * | 1978-07-31 | 1982-08-17 | Pascouet Maurice Y | Method of making a cellular polymeric resin body in a self contained high-pressure mold form |
DE2945856A1 (de) * | 1979-11-14 | 1981-05-27 | Bayer Ag, 5090 Leverkusen | Verfahren und anlage zum herstellen von schaumstoffbloecken |
IT1138636B (it) * | 1981-09-25 | 1986-09-17 | Giuseppe Ponzielli | Procedimento perfezionato per l'ottenimento di manufatti espansi in materiale termoplastico e manufatto ottenuto con tale procedimento |
US4537912A (en) * | 1984-09-05 | 1985-08-27 | Reeves Brothers, Inc. | Process for rapid curing of polyether polyurethane foam |
JPS61155265A (ja) * | 1984-12-26 | 1986-07-14 | 住友重機械工業株式会社 | 超臨界流体により成形体中のバインダ−を除去する方法 |
GB8500053D0 (en) * | 1985-01-03 | 1985-02-13 | Hyman Int Ltd | Foam production |
GB8912701D0 (en) * | 1989-06-02 | 1989-07-19 | Hyman Int Ltd | Production of porous materials |
-
1991
- 1991-07-31 US US07/738,402 patent/US5171756A/en not_active Expired - Lifetime
- 1991-10-22 TW TW080108326A patent/TW221823B/zh active
-
1992
- 1992-07-21 NZ NZ243647A patent/NZ243647A/xx unknown
- 1992-07-30 EP EP19920916079 patent/EP0597914A4/en not_active Withdrawn
- 1992-07-30 WO PCT/US1992/006329 patent/WO1993003079A1/en not_active Application Discontinuation
- 1992-07-30 AU AU23946/92A patent/AU667052B2/en not_active Ceased
- 1992-07-30 MX MX9204461A patent/MX9204461A/es unknown
- 1992-07-30 CA CA002114624A patent/CA2114624A1/en not_active Abandoned
- 1992-07-30 JP JP5503726A patent/JPH06509600A/ja active Pending
- 1992-07-30 IE IE250592A patent/IE922505A1/en not_active Application Discontinuation
- 1992-07-30 BR BR9206326A patent/BR9206326A/pt not_active Application Discontinuation
- 1992-07-31 CN CN92110446A patent/CN1069985A/zh active Pending
-
1996
- 1996-06-07 AU AU55863/96A patent/AU5586396A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
NZ243647A (en) | 1993-10-26 |
MX9204461A (es) | 1993-04-01 |
CN1069985A (zh) | 1993-03-17 |
AU667052B2 (en) | 1996-03-07 |
EP0597914A1 (en) | 1994-05-25 |
EP0597914A4 (en) | 1994-06-15 |
BR9206326A (pt) | 1995-05-30 |
US5171756A (en) | 1992-12-15 |
CA2114624A1 (en) | 1993-02-18 |
AU2394692A (en) | 1993-03-02 |
TW221823B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1994-03-21 |
AU5586396A (en) | 1996-08-15 |
JPH06509600A (ja) | 1994-10-27 |
WO1993003079A1 (en) | 1993-02-18 |
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Legal Events
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FC9A | Application refused sect. 31(1) |