DE2637010A1 - Aktivierte anionische polymerisation - Google Patents
Aktivierte anionische polymerisationInfo
- Publication number
- DE2637010A1 DE2637010A1 DE19762637010 DE2637010A DE2637010A1 DE 2637010 A1 DE2637010 A1 DE 2637010A1 DE 19762637010 DE19762637010 DE 19762637010 DE 2637010 A DE2637010 A DE 2637010A DE 2637010 A1 DE2637010 A1 DE 2637010A1
- Authority
- DE
- Germany
- Prior art keywords
- activators
- polyisocyanates
- polymerization
- diisocyanate
- viscosity
- 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
- 238000010539 anionic addition polymerization reaction Methods 0.000 title description 7
- 239000012190 activator Substances 0.000 claims description 41
- 150000003951 lactams Chemical class 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 239000005056 polyisocyanate Substances 0.000 claims description 13
- 229920001228 polyisocyanate Polymers 0.000 claims description 13
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N Caprolactam Natural products O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims description 12
- 239000004952 Polyamide Substances 0.000 claims description 10
- 229920002647 polyamide Polymers 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 7
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 5
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 4
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 4
- QGLRLXLDMZCFBP-UHFFFAOYSA-N 1,6-diisocyanato-2,4,4-trimethylhexane Chemical compound O=C=NCC(C)CC(C)(C)CCN=C=O QGLRLXLDMZCFBP-UHFFFAOYSA-N 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 230000009969 flowable effect Effects 0.000 claims description 3
- ATOUXIOKEJWULN-UHFFFAOYSA-N 1,6-diisocyanato-2,2,4-trimethylhexane Chemical compound O=C=NCCC(C)CC(C)(C)CN=C=O ATOUXIOKEJWULN-UHFFFAOYSA-N 0.000 claims description 2
- 150000002596 lactones Chemical class 0.000 claims description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims 2
- PWXIKGAMKWRXHD-UHFFFAOYSA-N 3-butylaziridin-2-one Chemical compound CCCCC1NC1=O PWXIKGAMKWRXHD-UHFFFAOYSA-N 0.000 claims 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims 1
- 150000005690 diesters Chemical class 0.000 claims 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 claims 1
- 230000008520 organization Effects 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 description 16
- 125000005442 diisocyanate group Chemical group 0.000 description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 5
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- -1 acyl-lactams Chemical class 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 125000000129 anionic group Chemical group 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 description 2
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012948 isocyanate Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001175 rotational moulding Methods 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- MOMGDEWWZBKDDR-UHFFFAOYSA-M sodium;3,4,5,6-tetrahydro-2h-azepin-7-olate Chemical compound [Na+].O=C1CCCCC[N-]1 MOMGDEWWZBKDDR-UHFFFAOYSA-M 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004809 thin layer chromatography Methods 0.000 description 2
- RTTZISZSHSCFRH-UHFFFAOYSA-N 1,3-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC(CN=C=O)=C1 RTTZISZSHSCFRH-UHFFFAOYSA-N 0.000 description 1
- GVNVAWHJIKLAGL-UHFFFAOYSA-N 2-(cyclohexen-1-yl)cyclohexan-1-one Chemical compound O=C1CCCCC1C1=CCCCC1 GVNVAWHJIKLAGL-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001718 carbodiimides Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 150000001912 cyanamides Chemical class 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000000378 dietary effect Effects 0.000 description 1
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 description 1
- 229960001826 dimethylphthalate Drugs 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000003021 phthalic acid derivatives Chemical class 0.000 description 1
- XUWHAWMETYGRKB-UHFFFAOYSA-N piperidin-2-one Chemical compound O=C1CCCCN1 XUWHAWMETYGRKB-UHFFFAOYSA-N 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
- C08G69/18—Anionic polymerisation
- C08G69/20—Anionic polymerisation characterised by the catalysts used
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762637010 DE2637010A1 (de) | 1976-08-17 | 1976-08-17 | Aktivierte anionische polymerisation |
| IT50630/77A IT1079811B (it) | 1976-08-17 | 1977-08-10 | Procedimento per preparare poliammidi mediante polimerizzazione attivata |
| GB33723/77A GB1529184A (en) | 1976-08-17 | 1977-08-11 | Activated anionic polymerisation |
| US05/823,979 US4191819A (en) | 1976-08-17 | 1977-08-12 | Activated anionic polymerization of lactam with partially masked polyisocyanate |
| JP52097092A JPS6035932B2 (ja) | 1976-08-17 | 1977-08-15 | ポリアミドの製造方法 |
| CH1001777A CH630653A5 (de) | 1976-08-17 | 1977-08-16 | Verfahren zur herstellung von polyamiden durch aktivierte anionische polymerisation von lactamen. |
| NL7709105A NL7709105A (nl) | 1976-08-17 | 1977-08-17 | Werkwijze voor het bereiden van polyamiden door geactiveerde anionogene polymerisatie. |
| FR7725169A FR2362179A1 (fr) | 1976-08-17 | 1977-08-17 | Polymerisation anionique de lactames, activee par des polyisocyanates partiellement masques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762637010 DE2637010A1 (de) | 1976-08-17 | 1976-08-17 | Aktivierte anionische polymerisation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2637010A1 true DE2637010A1 (de) | 1978-02-23 |
| DE2637010C2 DE2637010C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-02-16 |
Family
ID=5985655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762637010 Granted DE2637010A1 (de) | 1976-08-17 | 1976-08-17 | Aktivierte anionische polymerisation |
Country Status (8)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0003729A1 (de) * | 1977-10-18 | 1979-09-05 | Bayer Ag | Verfahren zur Herstellung von Polyamiden durch aktivierte anionische Polymerisation von Lactamen und dessen Verwendung zum Rotationsguss |
| EP0135233A1 (en) * | 1983-08-20 | 1985-03-27 | Stamicarbon B.V. | Process for the preparation of an N-substituted carbamoyllactam compound |
| EP3130622A1 (de) * | 2015-08-11 | 2017-02-15 | LANXESS Deutschland GmbH | Polymerisierbare zusammensetzung |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4501821A (en) * | 1983-07-28 | 1985-02-26 | Ppg Industries, Inc. | Property enhancement of anionically polymerized nylon with dual initiators |
| NL8302929A (nl) * | 1983-08-20 | 1985-03-18 | Stamicarbon | Werkwijze voor het bereiden van een n-gesubstitueerde carbamoyl-lactam verbinding. |
| NL8400006A (nl) * | 1984-01-03 | 1985-08-01 | Stamicarbon | Werkwijze voor de condensatie van imide en alkohol. |
| DE3425318A1 (de) * | 1984-07-10 | 1986-01-16 | Bayer Ag, 5090 Leverkusen | Verzweigte, thermoplastisch verarbeitbare, schlagzaehe polyamide |
| IT1233835B (it) * | 1988-01-11 | 1992-04-21 | Montedipe Spa | Processo per la preparazione di poliammidi con migliorate proprieta' meccaniche e poliammidi cosi' ottenute. |
| IT1226388B (it) * | 1988-07-11 | 1991-01-15 | Montedipe Spa | Processo per la produzione di poliammidi modificate resistenti all'urto. |
| DE19603303C2 (de) * | 1996-01-25 | 1999-07-22 | Inventa Ag | Kontinuierliches Verfahren zur aktivierten anionischen Lactampolymerisation |
| DE10321789A1 (de) * | 2003-05-14 | 2004-12-09 | Basf Ag | Polyamide |
| EP2520602A1 (en) * | 2011-05-03 | 2012-11-07 | BrüggemannChemical L. Brüggemann KG | Composition for anionic lactam polymerization |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2698845A (en) * | 1955-01-04 | Reaction products of lactams and cer- | ||
| GB924453A (en) * | 1960-09-13 | 1963-04-24 | Ici Ltd | Improved lactam polymerisation process |
| GB945218A (en) * | 1961-05-24 | 1963-12-23 | Bayer Ag | Process for the polymerisation of ªÏ-lactams |
| GB1098093A (en) * | 1965-03-19 | 1968-01-03 | Ici Ltd | Lactam polymerisation |
| DE1570195A1 (de) * | 1964-02-24 | 1970-02-12 | Allied Chem | Verfahren zur Herstellung von Polyamiden durch Polymerisation von Lactamen |
| DE1909577A1 (de) * | 1969-02-26 | 1970-09-10 | Basf Ag | Verfahren zum Beschleunigen der anionischen Polymerisation von Lactamen |
| DE1942046A1 (de) * | 1969-08-19 | 1971-03-04 | Plate Gmbh Dr | Carbonsaeureamide,Verfahren zu ihrer Herstellung und ihre Verwendung zur Polymerisation von Lactamen |
| DE1720280A1 (de) * | 1967-07-05 | 1971-06-09 | Basf Ag | Verfahren zum Beschleunigen der anionischen Polymerisation von Lactamen |
| DE2255468A1 (de) * | 1971-11-13 | 1973-05-30 | Bridgestone Tire Co Ltd | Verfahren zur herstellung von polyamidschaeumen |
| US3830786A (en) * | 1971-07-16 | 1974-08-20 | Bayer Ag | Process for the production of basic polyamides and copolyamides |
| DE2542191A1 (de) * | 1974-09-23 | 1976-04-01 | Ucb Sa | Maskierte polyisocyanate mit hoher reaktionsfaehigkeit, verfahren zu ihrer herstellung und ihre verwendung in hitzehaertbaren, pulverfoermigen massen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB863859A (en) * | 1956-07-23 | 1961-03-29 | Monsanto Chemicals | Polymerisation of lactams |
| BE559187A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1956-08-18 | |||
| US3017391A (en) * | 1956-12-13 | 1962-01-16 | Monsanto Chemicals | Preparation of polycaprolactam using n-acyl activators |
| BE592979A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1959-07-14 | |||
| US3621001A (en) * | 1967-07-06 | 1971-11-16 | Basf Ag | Accelerating anionic polymerization of lactams |
| DE2111412A1 (de) * | 1971-03-10 | 1972-09-28 | Bayer Ag | Rieselfaehige,lagerstabile,polymerisierbare Lactam-Katalysator-Aktivator-Gemische |
-
1976
- 1976-08-17 DE DE19762637010 patent/DE2637010A1/de active Granted
-
1977
- 1977-08-10 IT IT50630/77A patent/IT1079811B/it active
- 1977-08-11 GB GB33723/77A patent/GB1529184A/en not_active Expired
- 1977-08-12 US US05/823,979 patent/US4191819A/en not_active Expired - Lifetime
- 1977-08-15 JP JP52097092A patent/JPS6035932B2/ja not_active Expired
- 1977-08-16 CH CH1001777A patent/CH630653A5/de not_active IP Right Cessation
- 1977-08-17 FR FR7725169A patent/FR2362179A1/fr active Granted
- 1977-08-17 NL NL7709105A patent/NL7709105A/xx not_active Application Discontinuation
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2698845A (en) * | 1955-01-04 | Reaction products of lactams and cer- | ||
| GB924453A (en) * | 1960-09-13 | 1963-04-24 | Ici Ltd | Improved lactam polymerisation process |
| GB945218A (en) * | 1961-05-24 | 1963-12-23 | Bayer Ag | Process for the polymerisation of ªÏ-lactams |
| DE1570195A1 (de) * | 1964-02-24 | 1970-02-12 | Allied Chem | Verfahren zur Herstellung von Polyamiden durch Polymerisation von Lactamen |
| GB1098093A (en) * | 1965-03-19 | 1968-01-03 | Ici Ltd | Lactam polymerisation |
| DE1720280A1 (de) * | 1967-07-05 | 1971-06-09 | Basf Ag | Verfahren zum Beschleunigen der anionischen Polymerisation von Lactamen |
| DE1909577A1 (de) * | 1969-02-26 | 1970-09-10 | Basf Ag | Verfahren zum Beschleunigen der anionischen Polymerisation von Lactamen |
| DE1942046A1 (de) * | 1969-08-19 | 1971-03-04 | Plate Gmbh Dr | Carbonsaeureamide,Verfahren zu ihrer Herstellung und ihre Verwendung zur Polymerisation von Lactamen |
| US3830786A (en) * | 1971-07-16 | 1974-08-20 | Bayer Ag | Process for the production of basic polyamides and copolyamides |
| DE2255468A1 (de) * | 1971-11-13 | 1973-05-30 | Bridgestone Tire Co Ltd | Verfahren zur herstellung von polyamidschaeumen |
| DE2542191A1 (de) * | 1974-09-23 | 1976-04-01 | Ucb Sa | Maskierte polyisocyanate mit hoher reaktionsfaehigkeit, verfahren zu ihrer herstellung und ihre verwendung in hitzehaertbaren, pulverfoermigen massen |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0003729A1 (de) * | 1977-10-18 | 1979-09-05 | Bayer Ag | Verfahren zur Herstellung von Polyamiden durch aktivierte anionische Polymerisation von Lactamen und dessen Verwendung zum Rotationsguss |
| EP0135233A1 (en) * | 1983-08-20 | 1985-03-27 | Stamicarbon B.V. | Process for the preparation of an N-substituted carbamoyllactam compound |
| EP3130622A1 (de) * | 2015-08-11 | 2017-02-15 | LANXESS Deutschland GmbH | Polymerisierbare zusammensetzung |
Also Published As
| Publication number | Publication date |
|---|---|
| CH630653A5 (de) | 1982-06-30 |
| FR2362179A1 (fr) | 1978-03-17 |
| US4191819A (en) | 1980-03-04 |
| NL7709105A (nl) | 1978-02-21 |
| JPS5324394A (en) | 1978-03-07 |
| JPS6035932B2 (ja) | 1985-08-17 |
| DE2637010C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-02-16 |
| FR2362179B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-11-18 |
| IT1079811B (it) | 1985-05-13 |
| GB1529184A (en) | 1978-10-18 |
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