DE2304444C3 - Verfahren zum Aufarbeiten von Polyisocyanuratabfällen - Google Patents
Verfahren zum Aufarbeiten von PolyisocyanuratabfällenInfo
- Publication number
- DE2304444C3 DE2304444C3 DE2304444A DE2304444A DE2304444C3 DE 2304444 C3 DE2304444 C3 DE 2304444C3 DE 2304444 A DE2304444 A DE 2304444A DE 2304444 A DE2304444 A DE 2304444A DE 2304444 C3 DE2304444 C3 DE 2304444C3
- Authority
- DE
- Germany
- Prior art keywords
- waste
- polyisocyanurate
- mixture
- temperature
- weight
- 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
- 239000002699 waste material Substances 0.000 title claims description 33
- 229920000582 polyisocyanurate Polymers 0.000 title claims description 26
- 238000000034 method Methods 0.000 title claims description 25
- 239000011495 polyisocyanurate Substances 0.000 title claims description 25
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 25
- 229920005862 polyol Polymers 0.000 claims description 23
- 150000003077 polyols Chemical class 0.000 claims description 23
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 7
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 7
- 238000009835 boiling Methods 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000006260 foam Substances 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- 150000002009 diols Chemical class 0.000 description 11
- 229920002635 polyurethane Polymers 0.000 description 9
- 239000004814 polyurethane Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 229920005830 Polyurethane Foam Polymers 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- -1 aliphatic diols Chemical class 0.000 description 6
- 239000011496 polyurethane foam Substances 0.000 description 6
- 239000007795 chemical reaction product Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- KYVBNYUBXIEUFW-UHFFFAOYSA-N 1,1,3,3-tetramethylguanidine Chemical compound CN(C)C(=N)N(C)C KYVBNYUBXIEUFW-UHFFFAOYSA-N 0.000 description 1
- GBAXGHVGQJHFQL-UHFFFAOYSA-N 1-(2-hydroxyethylamino)propan-2-ol Chemical compound CC(O)CNCCO GBAXGHVGQJHFQL-UHFFFAOYSA-N 0.000 description 1
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 1
- BVXKSRVXGSQWLE-UHFFFAOYSA-N 3-(3-hydroxybutan-2-ylamino)butan-2-ol Chemical compound CC(O)C(C)NC(C)C(C)O BVXKSRVXGSQWLE-UHFFFAOYSA-N 0.000 description 1
- ZYUVGYBAPZYKSA-UHFFFAOYSA-N 5-(3-hydroxybutan-2-yl)-4-methylbenzene-1,3-diol Chemical compound CC(O)C(C)C1=CC(O)=CC(O)=C1C ZYUVGYBAPZYKSA-UHFFFAOYSA-N 0.000 description 1
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- AFYPFACVUDMOHA-UHFFFAOYSA-N chlorotrifluoromethane Chemical compound FC(F)(F)Cl AFYPFACVUDMOHA-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- NHADDZMCASKINP-HTRCEHHLSA-N decarboxydihydrocitrinin Natural products C1=C(O)C(C)=C2[C@H](C)[C@@H](C)OCC2=C1O NHADDZMCASKINP-HTRCEHHLSA-N 0.000 description 1
- LVTYICIALWPMFW-UHFFFAOYSA-N diisopropanolamine Chemical compound CC(O)CNCC(C)O LVTYICIALWPMFW-UHFFFAOYSA-N 0.000 description 1
- 229940043276 diisopropanolamine Drugs 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011874 heated mixture Substances 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 229940029284 trichlorofluoromethane Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
- C08J11/22—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds
- C08J11/24—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds containing hydroxyl groups
-
- 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
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1808—Catalysts containing secondary or tertiary amines or salts thereof having alkylene polyamine groups
-
- 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
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1825—Catalysts containing secondary or tertiary amines or salts thereof having hydroxy or primary amino groups
-
- 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
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1858—Catalysts containing secondary or tertiary amines or salts thereof having carbon-to-nitrogen double bonds
-
- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3878—Low-molecular-weight compounds having heteroatoms other than oxygen having phosphorus
-
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/46—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen
- C08G18/4607—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen having halogens
-
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/46—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen
- C08G18/4615—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen containing nitrogen
-
- 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
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
- C08G18/5024—Polyethers having heteroatoms other than oxygen having nitrogen containing primary and/or secondary amino groups
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6677—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/147—Halogen containing compounds containing carbon and halogen atoms only
-
- 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
- C08G2101/00—Manufacture of cellular products
-
- 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
- C08G2110/0025—Foam properties 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
- C08G2115/00—Oligomerisation
- C08G2115/02—Oligomerisation to isocyanurate groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
- C08J2201/022—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments premixing or pre-blending a part of the components of a foamable composition, e.g. premixing the polyol with the blowing agent, surfactant and catalyst and only adding the isocyanate at the time of foaming
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
- C08J2203/142—Halogenated saturated hydrocarbons, e.g. H3C-CF3
- C08J2203/144—Perhalogenated saturated hydrocarbons, e.g. F3C-CF3
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Polyurethanes Or Polyureas (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22627572A | 1972-02-14 | 1972-02-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2304444A1 DE2304444A1 (de) | 1973-08-23 |
| DE2304444B2 DE2304444B2 (de) | 1976-12-23 |
| DE2304444C3 true DE2304444C3 (de) | 1981-11-19 |
Family
ID=22848256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2304444A Expired DE2304444C3 (de) | 1972-02-14 | 1973-01-30 | Verfahren zum Aufarbeiten von Polyisocyanuratabfällen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3708440A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5538971B2 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2304444C3 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2172167B1 (cg-RX-API-DMAC7.html) |
| NL (1) | NL154240B (cg-RX-API-DMAC7.html) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1520296A (en) * | 1974-09-14 | 1978-08-02 | Dai Ichi Kogyo Seiyaku Co Ltd | Process for the docomposition of polyurethane resin |
| DE2542022C2 (de) * | 1975-09-20 | 1982-10-14 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von aktivierten, zur Herstellung von Polyurethankunststoffen wiederverwendbaren Polyhydroxylverbindungen |
| US4143092A (en) * | 1976-01-26 | 1979-03-06 | Samuel Bingham Company | Polyurethane-derived plasticizer for polyacrylonitrile printing rolls |
| US4162995A (en) * | 1976-07-01 | 1979-07-31 | Sheratte Martin B | Method and composition for reclaiming polyurethane |
| US4110266A (en) * | 1976-07-09 | 1978-08-29 | Mcdonnell Douglas Corporation | Process for converting the decomposition products of polyurethane and novel compositions thereby obtained |
| US4107151A (en) * | 1976-10-28 | 1978-08-15 | Ihara Chemical Company Co., Ltd. | Process for producing urethane elastomer |
| DE2834431C3 (de) * | 1978-08-05 | 1981-05-14 | Th. Goldschmidt Ag, 4300 Essen | Verfahren zur schonenden Aufarbeitung von Abfällen aus Urethan- und/oder Harnstoffgruppen enthaltenden organischen Polyaddukten |
| US4317939A (en) * | 1981-02-23 | 1982-03-02 | Ford Motor Company | Catalyzed dissolution-hydrolysis of polyurethane wastes |
| US4316992A (en) * | 1981-02-23 | 1982-02-23 | Ford Motor Company | Process for polyol recovery from polyurethane foam comprising alcohol and steam hydrolysis |
| US4336406A (en) * | 1981-02-24 | 1982-06-22 | Ford Motor Company | Polyol extraction by high boiling alkanes |
| US4451583A (en) * | 1982-01-26 | 1984-05-29 | Olin Corporation | Recycling of flexible polyurethane foam scrap |
| DE3232461A1 (de) * | 1982-09-01 | 1984-03-01 | Bayer Ag, 5090 Leverkusen | Verfahren zum kontinuierlichen glykolytischen hochtemperatur-abbau von polyurethankunstoffabfaellen in schneckenmaschinen |
| DE3820597A1 (de) * | 1988-06-16 | 1989-12-21 | Inst Chimii Drevesiny Akademii | Polyolkomponente und eine mischung auf ihrer grundlage zur herstellung von polyisozyanurat- und polyurethanschaumstoffen |
| US5672631A (en) * | 1991-04-24 | 1997-09-30 | Pauls; Mathias | Method for processing packaging remnants with recovery of materials |
| DE4215014C2 (de) * | 1991-05-10 | 1996-09-12 | Braun Pebra Gmbh | Verfahren zur Aufbereitung von Alkoholyse-Polyol |
| US5814674A (en) * | 1992-04-23 | 1998-09-29 | Rathor Ag | Method for processing residue-containing packages |
| US5274004A (en) * | 1992-06-15 | 1993-12-28 | The Dow Chemical Company | Process for conversion of polyurethane polymer to polyol and fresh polyurethane polymer therefrom |
| US5300530A (en) * | 1992-12-11 | 1994-04-05 | Air Products And Chemicals, Inc. | Process for modifying the glycolysis reaction product of polyurethane scrap |
| GB9320874D0 (en) * | 1993-10-11 | 1993-12-01 | Ici Plc | Recycling of flexible foam |
| DE4442379A1 (de) | 1994-11-29 | 1996-05-30 | Bayer Ag | Verfahren zum glykolytischen Abbau von Polyurethankunststoffen |
| DE19525301A1 (de) * | 1995-07-12 | 1997-01-16 | Basf Ag | Verfahren zur Herstellung Isocyanuratgruppen enthaltender Polyole |
| AU3523399A (en) * | 1998-04-16 | 1999-11-08 | Gerhard Behrendt | Method for producing polyols and polyols |
| US6750260B2 (en) | 2000-02-28 | 2004-06-15 | Troy Polymers, Inc. | Process for chemical recycling of polyurethane-containing scrap |
| US20070197668A1 (en) * | 2006-02-20 | 2007-08-23 | Troy Polymers, Inc. | Process for preparing polyols |
| JP4968649B2 (ja) * | 2006-05-26 | 2012-07-04 | Ｊｘ日鉱日石金属株式会社 | 分析試料の融解用ジルコニウムるつぼ、分析試料の作製方法及び分析方法 |
| DE102009026898A1 (de) | 2009-06-10 | 2010-12-16 | Lambda One Isoliertechnik Gmbh | Verfahren zur Herstellung von Polyolkomponenten für Polyurethane aus Polyurethan-Hartschaumstoffabfällen |
| CZ305739B6 (cs) * | 2014-12-22 | 2016-02-24 | Vysoké Učení Technické V Brně | Způsob výroby sekundárních polyolů a jejich použití |
| JP6622610B2 (ja) | 2016-02-09 | 2019-12-18 | 株式会社ディスコ | 研削装置 |
| DE102020131581B4 (de) | 2020-11-27 | 2025-10-23 | Neveon Germany Gmbh | Verfahren zum Abbau von Polyurethan sowie hierdurch erhaltenes flüssiges Verfahrensmedium |
| JP2025513625A (ja) | 2022-04-27 | 2025-04-24 | コベストロ、ドイチュラント、アクチエンゲゼルシャフト | イソシアヌレート含有ポリウレタン製品から原料を回収する方法 |
| LU501979B1 (en) | 2022-04-29 | 2023-10-30 | Kemijski Inst | Chemical recycling of polyurethane foams with amines |
| WO2024133871A1 (en) | 2022-12-23 | 2024-06-27 | Recticel | Pir chemical recycling by alkaline cleavage |
| WO2025026797A1 (en) | 2023-08-02 | 2025-02-06 | Basf Se | Glycolysis of polyisocyanurate foams |
| WO2025237923A1 (de) | 2024-05-16 | 2025-11-20 | Covestro Deutschland Ag | Verfahren zur wiedergewinnung von wertstoffen aus isocyanurat-haltigen polyurethanprodukten |
| WO2025247741A2 (en) | 2024-05-29 | 2025-12-04 | Basf Se | Method for obtaining a high performance polyisocyanurate foam from polyisocyanurate foam waste |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1110405B (de) * | 1960-03-05 | 1961-07-06 | Continental Gummi Werke Ag | Verfahren zur Aufarbeitung von Polyurethanschaumstoffabfaellen |
| US3491115A (en) * | 1966-10-28 | 1970-01-20 | Standard Oil Co | Composition for degelling resins |
| US3632530A (en) * | 1967-03-04 | 1972-01-04 | Yokohama Rubber Co Ltd | Process for decomposition of a polyurethane resin |
-
1972
- 1972-02-14 US US3708440D patent/US3708440A/en not_active Expired - Lifetime
-
1973
- 1973-01-30 DE DE2304444A patent/DE2304444C3/de not_active Expired
- 1973-02-07 NL NL7301714A patent/NL154240B/xx not_active IP Right Cessation
- 1973-02-13 FR FR7304995A patent/FR2172167B1/fr not_active Expired
- 1973-02-13 JP JP1784473A patent/JPS5538971B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2172167A1 (cg-RX-API-DMAC7.html) | 1973-09-28 |
| US3708440A (en) | 1973-01-02 |
| JPS5538971B2 (cg-RX-API-DMAC7.html) | 1980-10-07 |
| DE2304444B2 (de) | 1976-12-23 |
| NL7301714A (cg-RX-API-DMAC7.html) | 1973-08-16 |
| FR2172167B1 (cg-RX-API-DMAC7.html) | 1976-11-05 |
| DE2304444A1 (de) | 1973-08-23 |
| NL154240B (nl) | 1977-08-15 |
| JPS4893696A (cg-RX-API-DMAC7.html) | 1973-12-04 |
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