DE2940749A1 - Verfahren zur herstellung eines feuerhemmenden polyurethan-schaumstoffes - Google Patents
Verfahren zur herstellung eines feuerhemmenden polyurethan-schaumstoffesInfo
- Publication number
- DE2940749A1 DE2940749A1 DE19792940749 DE2940749A DE2940749A1 DE 2940749 A1 DE2940749 A1 DE 2940749A1 DE 19792940749 DE19792940749 DE 19792940749 DE 2940749 A DE2940749 A DE 2940749A DE 2940749 A1 DE2940749 A1 DE 2940749A1
- Authority
- DE
- Germany
- Prior art keywords
- prepolymer
- amount
- wood pulp
- parts
- fire
- 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.)
- Ceased
Links
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- 239000011496 polyurethane foam Substances 0.000 title claims description 19
- 239000003063 flame retardant Substances 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 229920001131 Pulp (paper) Polymers 0.000 claims description 31
- -1 polyoxyethylene Polymers 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000008346 aqueous phase Substances 0.000 claims description 12
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 229910052698 phosphorus Inorganic materials 0.000 claims description 11
- 239000011574 phosphorus Substances 0.000 claims description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 10
- WMWXXXSCZVGQAR-UHFFFAOYSA-N dialuminum;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3] WMWXXXSCZVGQAR-UHFFFAOYSA-N 0.000 claims description 10
- 229920005862 polyol Polymers 0.000 claims description 10
- 150000003077 polyols Chemical class 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- 239000005056 polyisocyanate Substances 0.000 claims description 8
- 229920001228 polyisocyanate Polymers 0.000 claims description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 5
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- 239000000375 suspending agent Substances 0.000 claims description 5
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- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 4
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
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- 239000006185 dispersion Substances 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 9
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 7
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- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 4
- PRXRUNOAOLTIEF-ADSICKODSA-N Sorbitan trioleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCC\C=C/CCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCC\C=C/CCCCCCCC PRXRUNOAOLTIEF-ADSICKODSA-N 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 4
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- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 4
- 239000012074 organic phase Substances 0.000 description 4
- 125000006353 oxyethylene group Chemical group 0.000 description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 4
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000004305 biphenyl Substances 0.000 description 3
- UOCIZHQMWNPGEN-UHFFFAOYSA-N dialuminum;oxygen(2-);trihydrate Chemical compound O.O.O.[O-2].[O-2].[O-2].[Al+3].[Al+3] UOCIZHQMWNPGEN-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 239000002736 nonionic surfactant Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- JKXYOQDLERSFPT-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-octadecoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol Chemical compound CCCCCCCCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO JKXYOQDLERSFPT-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000004147 Sorbitan trioleate Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- IANQTJSKSUMEQM-UHFFFAOYSA-N benzofuran Natural products C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 150000001722 carbon compounds Chemical class 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- PFURGBBHAOXLIO-UHFFFAOYSA-N cyclohexane-1,2-diol Chemical compound OC1CCCCC1O PFURGBBHAOXLIO-UHFFFAOYSA-N 0.000 description 2
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- 239000002737 fuel gas Substances 0.000 description 2
- 239000003349 gelling agent Substances 0.000 description 2
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 2
- 125000005702 oxyalkylene group Chemical group 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
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- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229940049964 oleate Drugs 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 1
- 229960001553 phloroglucinol Drugs 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000259 polyoxyethylene lauryl ether Polymers 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 229940079877 pyrogallol Drugs 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 229960001755 resorcinol Drugs 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N toluene Substances CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- 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 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- 238000004383 yellowing Methods 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
-
- 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
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- 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
-
- 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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/950,038 US4230822A (en) | 1978-10-10 | 1978-10-10 | Flame-retardant polyurethane foams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2940749A1 true DE2940749A1 (de) | 1980-04-30 |
Family
ID=25489870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792940749 Ceased DE2940749A1 (de) | 1978-10-10 | 1979-10-08 | Verfahren zur herstellung eines feuerhemmenden polyurethan-schaumstoffes |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4230822A (enExample) |
| JP (1) | JPS5594925A (enExample) |
| AU (1) | AU527649B2 (enExample) |
| DE (1) | DE2940749A1 (enExample) |
| FR (1) | FR2438667A1 (enExample) |
| GB (1) | GB2034720B (enExample) |
| NZ (1) | NZ191785A (enExample) |
| ZA (1) | ZA795391B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8747709B2 (en) | 2012-05-03 | 2014-06-10 | Empire Technology Development Llc | Phosphonate-substituted lignin as a flame retardant |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4458034A (en) * | 1978-05-12 | 1984-07-03 | Wm. T. Burnett & Co., Inc. | Flame retardant, char-forming, flexible polyurethane foams |
| US4374207A (en) * | 1980-10-24 | 1983-02-15 | G.F.C. Foam Corporation | Intumescent flexible polyurethane foam |
| US4358899A (en) * | 1981-03-30 | 1982-11-16 | W. R. Grace & Co. | Flow-through dryer and method for rapid drying of porous foams |
| GB2131027B (en) * | 1982-11-15 | 1986-05-29 | Dixon International Ltd | Flame-resistant expanded plastics material |
| US4439553A (en) * | 1983-01-17 | 1984-03-27 | W. R. Grace & Co. | High molecular weight aromatic amine scavengers and method of use |
| US4521544A (en) * | 1983-02-24 | 1985-06-04 | Patrick J. Crehan | Polyurethane foam from cellulosic products |
| JPS61266425A (ja) * | 1985-05-21 | 1986-11-26 | Hitachi Chem Co Ltd | ポリウレタン発泡用樹脂組成物 |
| JPS61268717A (ja) * | 1985-05-23 | 1986-11-28 | Hitachi Chem Co Ltd | 発泡用樹脂組成物 |
| JPS62256818A (ja) * | 1986-04-30 | 1987-11-09 | Hitachi Chem Co Ltd | 発泡用樹脂組成物 |
| JPS6317920A (ja) * | 1986-07-10 | 1988-01-25 | Hitachi Chem Co Ltd | 発泡用樹脂組成物 |
| JPS6320314A (ja) * | 1986-07-11 | 1988-01-28 | Hitachi Chem Co Ltd | 発泡用樹脂組成物 |
| US4818775A (en) * | 1987-05-21 | 1989-04-04 | Reeves Brothers, Inc. | Rapid cure of polyurethane foam with ammonium containing materials |
| US20030092848A1 (en) * | 2001-09-11 | 2003-05-15 | Ashok Sengupta | Sprayable liner for supporting the rock surface of a mine |
| US20090134369A1 (en) * | 2007-11-26 | 2009-05-28 | Applied Nanoworks, Inc. | Metal alkoxides, apparatus for manufacturing metal alkoxides, related methods and uses thereof |
| WO2010078413A1 (en) | 2008-12-31 | 2010-07-08 | Apinee, Inc. | Preservation of wood, compositions and methods thereof |
| CN101885923B (zh) * | 2009-05-13 | 2014-04-23 | 鸿富锦精密工业(深圳)有限公司 | 导电泡棉及其使用方法 |
| US9878464B1 (en) | 2011-06-30 | 2018-01-30 | Apinee, Inc. | Preservation of cellulosic materials, compositions and methods thereof |
| JP5565645B1 (ja) * | 2012-10-09 | 2014-08-06 | Dic株式会社 | バンプクッション |
| EP3412319A1 (en) * | 2017-06-09 | 2018-12-12 | Mölnlycke Health Care AB | Foam in wound treatment |
| EP3964187B1 (en) * | 2017-06-29 | 2023-06-07 | Encompass Group, LLC | Hospital bed with inflatable bladders and cooling channels and related methods |
| US20190100661A1 (en) * | 2017-10-04 | 2019-04-04 | Walter Dan Stogner | Fire resistant foam composition and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3021290A (en) * | 1958-10-27 | 1962-02-13 | Gen Tire & Rubber Co | Cellular polyrethane containing wood cellulose and method of preparing same |
| US3051601A (en) * | 1958-11-07 | 1962-08-28 | Gen Tire & Rubber Co | Laminated polyurethane foam cushion |
| DE2447943A1 (de) * | 1973-10-09 | 1975-04-17 | Grace W R & Co | Hydrophile polyurethanmassen mit entflammungshemmenden eigenschaften und verfahren zu deren herstellung |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1042600A (en) | 1972-05-03 | 1978-11-14 | Louis L. Wood | Crosslinked hydrophilic polyurethane foams |
| JPS5622892B2 (enExample) * | 1973-12-22 | 1981-05-28 | ||
| US3956202A (en) * | 1973-11-14 | 1976-05-11 | Kohkoku Chemical Industry Co. Ltd. | Process for preparing low smoke-generating rigid polyurethane foam |
| US4066578A (en) * | 1976-01-14 | 1978-01-03 | W. R. Grace & Co. | Heavily loaded flame retardant urethane and method |
-
1978
- 1978-10-10 US US05/950,038 patent/US4230822A/en not_active Expired - Lifetime
-
1979
- 1979-10-08 NZ NZ191785A patent/NZ191785A/xx unknown
- 1979-10-08 DE DE19792940749 patent/DE2940749A1/de not_active Ceased
- 1979-10-08 AU AU51539/79A patent/AU527649B2/en not_active Ceased
- 1979-10-09 GB GB7935019A patent/GB2034720B/en not_active Expired
- 1979-10-09 ZA ZA00795391A patent/ZA795391B/xx unknown
- 1979-10-09 JP JP12953479A patent/JPS5594925A/ja active Pending
- 1979-10-09 FR FR7925111A patent/FR2438667A1/fr active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3021290A (en) * | 1958-10-27 | 1962-02-13 | Gen Tire & Rubber Co | Cellular polyrethane containing wood cellulose and method of preparing same |
| US3051601A (en) * | 1958-11-07 | 1962-08-28 | Gen Tire & Rubber Co | Laminated polyurethane foam cushion |
| DE2447943A1 (de) * | 1973-10-09 | 1975-04-17 | Grace W R & Co | Hydrophile polyurethanmassen mit entflammungshemmenden eigenschaften und verfahren zu deren herstellung |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8747709B2 (en) | 2012-05-03 | 2014-06-10 | Empire Technology Development Llc | Phosphonate-substituted lignin as a flame retardant |
| US8852468B2 (en) | 2012-05-03 | 2014-10-07 | Empire Technology Development Llc | Phosphonate-substituted lignin as a flame retardant |
| US9410088B2 (en) | 2012-05-03 | 2016-08-09 | Empire Technology Development Llc | Phosphonate-substituted lignin as a flame retardant |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2438667A1 (fr) | 1980-05-09 |
| US4230822A (en) | 1980-10-28 |
| AU5153979A (en) | 1980-04-17 |
| NZ191785A (en) | 1982-06-29 |
| AU527649B2 (en) | 1983-03-17 |
| ZA795391B (en) | 1980-10-29 |
| GB2034720B (en) | 1982-11-24 |
| JPS5594925A (en) | 1980-07-18 |
| GB2034720A (en) | 1980-06-11 |
| FR2438667B1 (enExample) | 1983-05-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8131 | Rejection |