BE631961A - - Google Patents
Info
- Publication number
- BE631961A BE631961A BE631961DA BE631961A BE 631961 A BE631961 A BE 631961A BE 631961D A BE631961D A BE 631961DA BE 631961 A BE631961 A BE 631961A
- Authority
- BE
- Belgium
- Prior art keywords
- methyl
- reaction
- theory
- yield
- desc
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 description 47
- 239000002253 acid Substances 0.000 description 33
- 239000007788 liquid Substances 0.000 description 31
- 238000004821 distillation Methods 0.000 description 30
- 238000000034 method Methods 0.000 description 26
- 238000004458 analytical method Methods 0.000 description 22
- 238000001816 cooling Methods 0.000 description 22
- YXFVVABEGXRONW-UHFFFAOYSA-N toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 22
- 238000009835 boiling Methods 0.000 description 21
- 239000000243 solution Substances 0.000 description 20
- 238000003756 stirring Methods 0.000 description 19
- LSDPWZHWYPCBBB-UHFFFAOYSA-N methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 18
- 239000002904 solvent Substances 0.000 description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 17
- YGYAWVDWMABLBF-UHFFFAOYSA-N phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 125000000066 S-methyl group Chemical group [H]C([H])([H])S* 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 239000012071 phase Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 11
- SESFRYSPDFLNCH-UHFFFAOYSA-N Benzyl benzoate Chemical compound C=1C=CC=CC=1C(=O)OCC1=CC=CC=C1 SESFRYSPDFLNCH-UHFFFAOYSA-N 0.000 description 10
- 238000010992 reflux Methods 0.000 description 10
- 125000005907 alkyl ester group Chemical group 0.000 description 9
- 125000000217 alkyl group Chemical group 0.000 description 9
- 239000007864 aqueous solution Substances 0.000 description 9
- 238000003776 cleavage reaction Methods 0.000 description 9
- 150000002148 esters Chemical class 0.000 description 9
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 8
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 8
- 239000011541 reaction mixture Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 239000012043 crude product Substances 0.000 description 6
- 150000002513 isocyanates Chemical class 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 235000011121 sodium hydroxide Nutrition 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- IQPQWNKOIGAROB-UHFFFAOYSA-N [N-]=C=O Chemical compound [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 5
- 125000003118 aryl group Chemical group 0.000 description 5
- 229960002903 benzyl benzoate Drugs 0.000 description 5
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 5
- WKBOTKDWSSQWDR-UHFFFAOYSA-N bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 125000001424 substituent group Chemical group 0.000 description 5
- 238000005292 vacuum distillation Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 238000007792 addition Methods 0.000 description 4
- -1 aromatic primary amines Chemical class 0.000 description 4
- 238000010504 bond cleavage reaction Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000012442 inert solvent Substances 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- DOIRQSBPFJWKBE-UHFFFAOYSA-N Dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 150000003141 primary amines Chemical class 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- WERYXYBDKMZEQL-UHFFFAOYSA-N 1,4-Butanediol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N Cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- ROHFNLRQFUQHCH-YFKPBYRVSA-N L-leucine Chemical compound CC(C)C[C@H](N)C(O)=O ROHFNLRQFUQHCH-YFKPBYRVSA-N 0.000 description 2
- 150000001241 acetals Chemical class 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000002349 favourable Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000004508 fractional distillation Methods 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 150000003512 tertiary amines Chemical group 0.000 description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N 1,2-ethanediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- CLWAXFZCVYJLLM-UHFFFAOYSA-N 1-chlorohexadecane Chemical compound CCCCCCCCCCCCCCCCCl CLWAXFZCVYJLLM-UHFFFAOYSA-N 0.000 description 1
- KOJGQOMKJLGGPI-UHFFFAOYSA-N 2-(propoxymethyl)oxolane Chemical compound CCCOCC1CCCO1 KOJGQOMKJLGGPI-UHFFFAOYSA-N 0.000 description 1
- IIVWHGMLFGNMOW-UHFFFAOYSA-N 2-methylpropane Chemical group C[C](C)C IIVWHGMLFGNMOW-UHFFFAOYSA-N 0.000 description 1
- YFMZADLVFZBXCN-UHFFFAOYSA-L 4-(4,5-dihydro-1,2-oxazol-3-yloxy)but-2-ynyl-dimethyl-[6-(trimethylazaniumyl)hexyl]azanium;dibromide Chemical compound [Br-].[Br-].C[N+](C)(C)CCCCCC[N+](C)(C)CC#CCOC1=NOCC1 YFMZADLVFZBXCN-UHFFFAOYSA-L 0.000 description 1
- 210000000709 Aorta Anatomy 0.000 description 1
- TXVHTIQJNYSSKO-UHFFFAOYSA-N Benzo(e)pyrene Chemical compound C1=CC=C2C3=CC=CC=C3C3=CC=CC4=CC=C1C2=C34 TXVHTIQJNYSSKO-UHFFFAOYSA-N 0.000 description 1
- 241000219495 Betulaceae Species 0.000 description 1
- OBJWYVQCYFRUOW-UHFFFAOYSA-N C(C1CCCO1)CCC(N)OC(CCCC1CCCO1)N Chemical compound C(C1CCCO1)CCC(N)OC(CCCC1CCCO1)N OBJWYVQCYFRUOW-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 210000001072 Colon Anatomy 0.000 description 1
- 210000004185 Liver Anatomy 0.000 description 1
- NPPQSCRMBWNHMW-UHFFFAOYSA-N Meprobamate Chemical compound NC(=O)OCC(C)(CCC)COC(N)=O NPPQSCRMBWNHMW-UHFFFAOYSA-N 0.000 description 1
- HQABUPZFAYXKJW-UHFFFAOYSA-N N-Butylamine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 1
- FUQQDLUELDZSJX-UHFFFAOYSA-M N-propylcarbamothioate Chemical compound CCCNC([O-])=S FUQQDLUELDZSJX-UHFFFAOYSA-M 0.000 description 1
- 101700046739 NOOT1 Proteins 0.000 description 1
- 210000004279 Orbit Anatomy 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 210000003899 Penis Anatomy 0.000 description 1
- YNPNZTXNASCQKK-UHFFFAOYSA-N Phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 1
- YYTUUFAEVJPDAA-UHFFFAOYSA-N S-methyl N-butylcarbamothioate Chemical compound CCCCNC(=O)SC YYTUUFAEVJPDAA-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000001138 Tears Anatomy 0.000 description 1
- 241000534944 Thia Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 235000020127 ayran Nutrition 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atoms Chemical group C* 0.000 description 1
- OEERIBPGRSLGEK-UHFFFAOYSA-N carbon dioxide;methanol Chemical compound OC.O=C=O OEERIBPGRSLGEK-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 125000004119 disulfanediyl group Chemical group *SS* 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 125000006232 ethoxy propyl group Chemical group [H]C([H])([H])C([H])([H])OC([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000011551 heat transfer agent Substances 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 125000003707 hexyloxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- NTYJJOPFIAHURM-UHFFFAOYSA-N histamine Chemical compound NCCC1=CN=CN1 NTYJJOPFIAHURM-UHFFFAOYSA-N 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 125000002560 nitrile group Chemical group 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N o-xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000012063 pure reaction product Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000001577 simple distillation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- UKNAYQWNMMGCNX-UHFFFAOYSA-N sodium;[hydroxy(phenyl)methyl]-oxido-oxophosphanium Chemical compound [Na+].[O-][P+](=O)C(O)C1=CC=CC=C1 UKNAYQWNMMGCNX-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- GNVMUORYQLCPJZ-UHFFFAOYSA-M thiocarbamate Chemical compound NC([S-])=O GNVMUORYQLCPJZ-UHFFFAOYSA-M 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- AVWRKZWQTYIKIY-UHFFFAOYSA-N urea-1-carboxylic acid Chemical class NC(=O)NC(O)=O AVWRKZWQTYIKIY-UHFFFAOYSA-N 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/10—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/12—Radicals substituted by oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/14—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D317/18—Radicals substituted by singly bound oxygen or sulfur atoms
- C07D317/22—Radicals substituted by singly bound oxygen or sulfur atoms etherified
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE631961A true BE631961A (ro) |
Family
ID=200189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE631961D BE631961A (ro) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE631961A (ro) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3410893A (en) * | 1963-10-14 | 1968-11-12 | Dow Chemical Co | Sulfur-containing carbamates |
| FR2189386A1 (ro) * | 1972-05-26 | 1974-01-25 | Stauffer Chemical Co | |
| US4108885A (en) * | 1967-08-25 | 1978-08-22 | Schering Ag | Salts of thiocarbamic esters with fungicidal and fungistatic action |
| EP0511572A1 (de) * | 1991-05-01 | 1992-11-04 | Wolff Walsrode Aktiengesellschaft | Neue Amin- und Ammoniumisocyanate, Verfahren zu ihrer Herstellung, ihre Verwendung zur Herstellung von Ammoniumgruppen enthaltenden Polymeren und die so hergestellten Polymere |
-
0
- BE BE631961D patent/BE631961A/fr unknown
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3410893A (en) * | 1963-10-14 | 1968-11-12 | Dow Chemical Co | Sulfur-containing carbamates |
| US4108885A (en) * | 1967-08-25 | 1978-08-22 | Schering Ag | Salts of thiocarbamic esters with fungicidal and fungistatic action |
| FR2189386A1 (ro) * | 1972-05-26 | 1974-01-25 | Stauffer Chemical Co | |
| EP0511572A1 (de) * | 1991-05-01 | 1992-11-04 | Wolff Walsrode Aktiengesellschaft | Neue Amin- und Ammoniumisocyanate, Verfahren zu ihrer Herstellung, ihre Verwendung zur Herstellung von Ammoniumgruppen enthaltenden Polymeren und die so hergestellten Polymere |
| US5310849A (en) * | 1991-05-01 | 1994-05-10 | Wolff Walsrode Ag | Amino and ammonium isocyanates, a process for their preparation, their use for the production of polymers containing ammonium groups and the polymers thus produced |
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