DE2420383A1 - Oxalylcarbazate und ihre verwendung als blaehmittel - Google Patents
Oxalylcarbazate und ihre verwendung als blaehmittelInfo
- Publication number
- DE2420383A1 DE2420383A1 DE2420383A DE2420383A DE2420383A1 DE 2420383 A1 DE2420383 A1 DE 2420383A1 DE 2420383 A DE2420383 A DE 2420383A DE 2420383 A DE2420383 A DE 2420383A DE 2420383 A1 DE2420383 A1 DE 2420383A1
- Authority
- DE
- Germany
- Prior art keywords
- carbon atoms
- radicals
- oxalyl
- carbazate
- chlorine
- 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
- 239000004604 Blowing Agent Substances 0.000 title claims description 24
- 239000000203 mixture Substances 0.000 claims description 33
- 125000004432 carbon atom Chemical group C* 0.000 claims description 22
- 125000003431 oxalo group Chemical group 0.000 claims description 13
- 229920000642 polymer Polymers 0.000 claims description 13
- VQTNAOUTKFCIDW-UHFFFAOYSA-N bis[amino(methyl)carbamoyl] oxalate Chemical compound CN(C(=O)OC(C(=O)OC(N(N)C)=O)=O)N VQTNAOUTKFCIDW-UHFFFAOYSA-N 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 11
- OWIUPIRUAQMTTK-UHFFFAOYSA-M n-aminocarbamate Chemical compound NNC([O-])=O OWIUPIRUAQMTTK-UHFFFAOYSA-M 0.000 claims description 10
- 238000000354 decomposition reaction Methods 0.000 claims description 8
- 239000000460 chlorine Substances 0.000 claims description 6
- 229910052801 chlorine Inorganic materials 0.000 claims description 6
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 6
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052794 bromium Inorganic materials 0.000 claims description 4
- 239000011630 iodine Chemical group 0.000 claims description 4
- 229910052740 iodine Chemical group 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 229920000578 graft copolymer Polymers 0.000 claims description 2
- 229920001519 homopolymer Polymers 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 229920001187 thermosetting polymer Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims 2
- 239000000047 product Substances 0.000 description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 32
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- 238000006243 chemical reaction Methods 0.000 description 19
- SWRGUMCEJHQWEE-UHFFFAOYSA-N ethanedihydrazide Chemical compound NNC(=O)C(=O)NN SWRGUMCEJHQWEE-UHFFFAOYSA-N 0.000 description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 16
- 239000004417 polycarbonate Substances 0.000 description 16
- 229920000515 polycarbonate Polymers 0.000 description 16
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 14
- 229910052757 nitrogen Inorganic materials 0.000 description 14
- 239000008188 pellet Substances 0.000 description 13
- -1 polypropylene Polymers 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 10
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- FZFAMSAMCHXGEF-UHFFFAOYSA-N chloro formate Chemical compound ClOC=O FZFAMSAMCHXGEF-UHFFFAOYSA-N 0.000 description 9
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 8
- 239000000908 ammonium hydroxide Substances 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 5
- VDKAOUIEAMQZHO-UHFFFAOYSA-N bis[amino(propan-2-yl)carbamoyl] oxalate Chemical compound C(C)(C)N(C(=O)OC(C(=O)OC(N(N)C(C)C)=O)=O)N VDKAOUIEAMQZHO-UHFFFAOYSA-N 0.000 description 5
- 239000007859 condensation product Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920002492 poly(sulfone) Polymers 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 4
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 4
- FPIHBRYSRJCADA-UHFFFAOYSA-N bis[amino(2-methylpropyl)carbamoyl] oxalate Chemical compound C(C(C)C)N(C(=O)OC(C(=O)OC(N(N)CC(C)C)=O)=O)N FPIHBRYSRJCADA-UHFFFAOYSA-N 0.000 description 4
- WXJHUULCLBXZIH-UHFFFAOYSA-N bis[amino(benzyl)carbamoyl] oxalate Chemical compound C(C1=CC=CC=C1)N(C(=O)OC(C(=O)OC(N(N)CC1=CC=CC=C1)=O)=O)N WXJHUULCLBXZIH-UHFFFAOYSA-N 0.000 description 4
- OBYDOXMQZVBXEM-UHFFFAOYSA-N bis[amino(butyl)carbamoyl] oxalate Chemical compound C(CCC)N(C(=O)OC(C(=O)OC(N(N)CCCC)=O)=O)N OBYDOXMQZVBXEM-UHFFFAOYSA-N 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- DUIOPKIIICUYRZ-UHFFFAOYSA-N semicarbazide Chemical compound NNC(N)=O DUIOPKIIICUYRZ-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 229920004142 LEXAN™ Polymers 0.000 description 3
- 239000004418 Lexan Substances 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 3
- HKJGAFXPECJVLC-UHFFFAOYSA-N [2-[carboxy(methylamino)amino]-2-oxoacetyl]-(methylamino)carbamic acid Chemical compound CNN(C(=O)C(=O)N(C(=O)O)NC)C(=O)O HKJGAFXPECJVLC-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- DVPXJMMWDVQWPW-UHFFFAOYSA-N bis[amino(2-ethylhexyl)carbamoyl] oxalate Chemical compound C(C)C(CN(C(=O)OC(C(=O)OC(N(N)CC(CCCC)CC)=O)=O)N)CCCC DVPXJMMWDVQWPW-UHFFFAOYSA-N 0.000 description 3
- YTFXNKYJEMXWMT-UHFFFAOYSA-N bis[amino(ethyl)carbamoyl] oxalate Chemical compound C(C)N(C(=O)OC(C(=O)OC(N(N)CC)=O)=O)N YTFXNKYJEMXWMT-UHFFFAOYSA-N 0.000 description 3
- PETGJTYXMDRBJY-UHFFFAOYSA-N bis[amino(propyl)carbamoyl] oxalate Chemical compound C(CC)N(C(=O)OC(C(=O)OC(N(N)CCC)=O)=O)N PETGJTYXMDRBJY-UHFFFAOYSA-N 0.000 description 3
- WYACBZDAHNBPPB-UHFFFAOYSA-N diethyl oxalate Chemical compound CCOC(=O)C(=O)OCC WYACBZDAHNBPPB-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- VRFNYSYURHAPFL-UHFFFAOYSA-N [(4-methylphenyl)sulfonylamino]urea Chemical compound CC1=CC=C(S(=O)(=O)NNC(N)=O)C=C1 VRFNYSYURHAPFL-UHFFFAOYSA-N 0.000 description 2
- VLSIICZGVBMOHO-UHFFFAOYSA-N [2-[carboxy(ethylamino)amino]-2-oxoacetyl]-(ethylamino)carbamic acid Chemical compound CCNN(C(=O)C(=O)N(C(=O)O)NCC)C(=O)O VLSIICZGVBMOHO-UHFFFAOYSA-N 0.000 description 2
- KOYGZSHHPMAOTQ-UHFFFAOYSA-N bis[amino(cyclohexyl)carbamoyl] oxalate Chemical compound C1(CCCCC1)N(C(=O)OC(C(=O)OC(N(N)C1CCCCC1)=O)=O)N KOYGZSHHPMAOTQ-UHFFFAOYSA-N 0.000 description 2
- IXJOLXBZOJSDIS-UHFFFAOYSA-N bis[amino(phenyl)carbamoyl] oxalate Chemical compound C1(=CC=CC=C1)N(C(=O)OC(C(=O)OC(N(N)C1=CC=CC=C1)=O)=O)N IXJOLXBZOJSDIS-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- CTSLXHKWHWQRSH-UHFFFAOYSA-N oxalyl chloride Chemical compound ClC(=O)C(Cl)=O CTSLXHKWHWQRSH-UHFFFAOYSA-N 0.000 description 2
- OVQPRSQBOCBWBC-UHFFFAOYSA-N phenyl N-aminocarbamate dihydrate Chemical compound O.O.C(NN)(=O)OC1=CC=CC=C1 OVQPRSQBOCBWBC-UHFFFAOYSA-N 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920006380 polyphenylene oxide Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XFSAZBKSWGOXRH-UHFFFAOYSA-N 2-(2-carbonochloridoyloxyethoxy)ethyl carbonochloridate Chemical compound ClC(=O)OCCOCCOC(Cl)=O XFSAZBKSWGOXRH-UHFFFAOYSA-N 0.000 description 1
- RTGLJCSUKOLTEM-UHFFFAOYSA-N 2-ethylhexyl carbonochloridate Chemical compound CCCCC(CC)COC(Cl)=O RTGLJCSUKOLTEM-UHFFFAOYSA-N 0.000 description 1
- YOETUEMZNOLGDB-UHFFFAOYSA-N 2-methylpropyl carbonochloridate Chemical compound CC(C)COC(Cl)=O YOETUEMZNOLGDB-UHFFFAOYSA-N 0.000 description 1
- OMIHGPLIXGGMJB-UHFFFAOYSA-N 7-oxabicyclo[4.1.0]hepta-1,3,5-triene Chemical compound C1=CC=C2OC2=C1 OMIHGPLIXGGMJB-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- FPCFSOLMBXOIOJ-UHFFFAOYSA-N CC(C)(C)N(C(OC(C(OC(N(C(C)(C)C)N)=O)=O)=O)=O)N Chemical compound CC(C)(C)N(C(OC(C(OC(N(C(C)(C)C)N)=O)=O)=O)=O)N FPCFSOLMBXOIOJ-UHFFFAOYSA-N 0.000 description 1
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- CGKKGCMDRNEVKQ-UHFFFAOYSA-N CCCCCCCCN(C(OC(C(OC(N(CCCCCCCC)N)=O)=O)=O)=O)N Chemical compound CCCCCCCCN(C(OC(C(OC(N(CCCCCCCC)N)=O)=O)=O)=O)N CGKKGCMDRNEVKQ-UHFFFAOYSA-N 0.000 description 1
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
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- IVRIRQXJSNCSPQ-UHFFFAOYSA-N propan-2-yl carbonochloridate Chemical compound CC(C)OC(Cl)=O IVRIRQXJSNCSPQ-UHFFFAOYSA-N 0.000 description 1
- QQKDTTWZXHEGAQ-UHFFFAOYSA-N propyl carbonochloridate Chemical compound CCCOC(Cl)=O QQKDTTWZXHEGAQ-UHFFFAOYSA-N 0.000 description 1
- ABZURHNFFCKUPB-UHFFFAOYSA-N propyl n-aminocarbamate Chemical compound CCCOC(=O)NN ABZURHNFFCKUPB-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004616 structural foam Substances 0.000 description 1
- 229920000638 styrene acrylonitrile Polymers 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005303 weighing 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
- C08J9/04—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
- C08J9/06—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 chemical blowing agent
- C08J9/10—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 chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
Landscapes
- Chemical & Material Sciences (AREA)
- General 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
New York, Ui-A
Darstellung von Oxalyldi(isobutylcarbazat)
| Menge pbw PS+ |
Arbeits tempera- tür °C |
spezifi sches Gewicht |
| 0,25 | 307 | 0,62 |
| 0,25 | 313 | 0,79 |
| 0,25 | 315 | 0,85 |
| 0,25 | 310 | 0,94 |
| _ | 1,24 |
Claims (13)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00354586A US3819545A (en) | 1973-04-26 | 1973-04-26 | Foamable composition comprising a gas-expandable polymeric material and oxalyl carbazate or oligomers thereof, and method of forming same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2420383A1 true DE2420383A1 (de) | 1974-11-07 |
| DE2420383C2 DE2420383C2 (de) | 1982-11-04 |
Family
ID=23394016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2420383A Expired DE2420383C2 (de) | 1973-04-26 | 1974-04-26 | Oxalyldi(methylcarbazat) und Verwendung von Oxalylcarbazaten als Blähmittel |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3819545A (de) |
| JP (1) | JPS5756495B2 (de) |
| CA (1) | CA1053692A (de) |
| DE (1) | DE2420383C2 (de) |
| FR (2) | FR2257574B1 (de) |
| GB (2) | GB1472081A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3946064A (en) * | 1973-04-26 | 1976-03-23 | Uniroyal, Inc. | Hydrazodicarboxylates and use thereof as blowing agents |
| US4579878A (en) * | 1983-12-12 | 1986-04-01 | Mobil Oil Company | Polymer foam, thermoformed shaped thereof and methods of forming same |
| US4579873A (en) * | 1983-12-12 | 1986-04-01 | Mobil Oil Corporation | Polymer foam, thermoformed shapes thereof and methods of forming same |
| US4579710A (en) * | 1983-12-12 | 1986-04-01 | Mobil Oil Corporation | Polymer foam, thermoformed shapes thereof and methods of forming same |
| US4579874A (en) * | 1983-12-12 | 1986-04-01 | Mobil Oil Corporation | Polymer foam, thermoformed shapes thereof and methods of forming same |
| US4665105A (en) * | 1983-12-12 | 1987-05-12 | Mobil Oil Corporation | Polymer foam, thermoformed shapes thereof and methods of forming same |
| US4581382A (en) * | 1985-01-02 | 1986-04-08 | General Electric Company | Polycarbonate resin foam |
| US4556681A (en) * | 1985-01-02 | 1985-12-03 | General Electric Company | Polycarbonate resin foam |
-
1973
- 1973-04-26 US US00354586A patent/US3819545A/en not_active Expired - Lifetime
- 1973-09-14 CA CA181,101A patent/CA1053692A/en not_active Expired
-
1974
- 1974-04-23 GB GB1769474A patent/GB1472081A/en not_active Expired
- 1974-04-23 GB GB1899275A patent/GB1472082A/en not_active Expired
- 1974-04-25 JP JP49047082A patent/JPS5756495B2/ja not_active Expired
- 1974-04-25 FR FR7414470A patent/FR2257574B1/fr not_active Expired
- 1974-04-26 DE DE2420383A patent/DE2420383C2/de not_active Expired
-
1975
- 1975-01-08 FR FR7500451A patent/FR2248293B1/fr not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2248293A1 (de) | 1975-05-16 |
| JPS5069172A (de) | 1975-06-09 |
| JPS5756495B2 (de) | 1982-11-30 |
| FR2257574A1 (de) | 1975-08-08 |
| CA1053692A (en) | 1979-05-01 |
| DE2420383C2 (de) | 1982-11-04 |
| FR2248293B1 (de) | 1977-11-18 |
| FR2257574B1 (de) | 1979-07-06 |
| GB1472082A (de) | 1977-04-27 |
| GB1472081A (en) | 1977-04-27 |
| US3819545A (en) | 1974-06-25 |
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Owner name: UNIROYAL CHEMICAL CO., INC., MIDDLEBURY, CONN., US |
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Free format text: TIEDTKE, H., DIPL.-ING. BUEHLING, G., DIPL.-CHEM. KINNE, R., DIPL.-ING. GRUPE, P., DIPL.-ING. PELLMANN, H., DIPL.-ING. GRAMS, K., DIPL.-ING. STRUIF, B., DIPL.-CHEM. DR.RER.NAT. WINTER, K., DIPL.-ING. ROTH, R., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
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