DD240211A5 - Polymerisationsgemisch - Google Patents

Polymerisationsgemisch Download PDF

Info

Publication number: DD240211A5
Authority: DD; German Democratic Republic
Prior art keywords: caprolactam; polymerization; oxo; lactam; initiator
Prior art date: 1984-12-17

Application number

DD85284389A

Other languages

German (de)

English (en)

Inventor

James D Gabbert

Ross M Hedrick

Original Assignee

��@��k��

Priority date (The priority date 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 date listed.)

1984-12-17

Filing date

1985-12-16

Publication date

1986-10-22

1985-12-16 Application filed by ��@��k�� filed Critical ��@��k��

1986-10-22 Publication of DD240211A5 publication Critical patent/DD240211A5/de

Links

238000006116 polymerization reaction Methods 0.000 title claims abstract description 42
JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims abstract description 106
HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 claims abstract description 34
-1 lactam magnesium halide Chemical class 0.000 claims abstract description 33
239000003999 initiator Substances 0.000 claims abstract description 32
239000003505 polymerization initiator Substances 0.000 claims abstract description 25
150000001875 compounds Chemical class 0.000 claims abstract description 24
239000000203 mixture Substances 0.000 claims description 29
239000003054 catalyst Substances 0.000 claims description 28
150000003951 lactams Chemical class 0.000 claims description 15
239000002243 precursor Substances 0.000 claims description 9
150000004820 halides Chemical class 0.000 claims description 6
230000000977 initiatory effect Effects 0.000 claims description 4
239000012634 fragment Substances 0.000 claims description 2
238000012693 lactam polymerization Methods 0.000 abstract description 27
229910052749 magnesium Inorganic materials 0.000 abstract description 10
239000011777 magnesium Substances 0.000 abstract description 10
229920000642 polymer Polymers 0.000 abstract description 6
238000000034 method Methods 0.000 abstract description 3
230000000379 polymerizing effect Effects 0.000 abstract 2
239000000376 reactant Substances 0.000 abstract 2
229920002292 Nylon 6 Polymers 0.000 abstract 1
238000006243 chemical reaction Methods 0.000 description 26
239000000243 solution Substances 0.000 description 14
229920001778 nylon Polymers 0.000 description 11
239000002685 polymerization catalyst Substances 0.000 description 8
239000002253 acid Substances 0.000 description 7
239000003153 chemical reaction reagent Substances 0.000 description 6
230000000694 effects Effects 0.000 description 5
YIFCDKDXYUCWAZ-UHFFFAOYSA-L magnesium;azepan-2-one;dibromide Chemical compound [Mg+2].[Br-].[Br-].O=C1CCCCCN1 YIFCDKDXYUCWAZ-UHFFFAOYSA-L 0.000 description 5
229920005862 polyol Polymers 0.000 description 5
150000003077 polyols Chemical class 0.000 description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
239000004677 Nylon Substances 0.000 description 4
125000004356 hydroxy functional group Chemical group O* 0.000 description 4
239000000463 material Substances 0.000 description 4
239000011541 reaction mixture Substances 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
229910001006 Constantan Inorganic materials 0.000 description 3
QISSLHPKTCLLDL-UHFFFAOYSA-N N-Acetylcaprolactam Chemical compound CC(=O)N1CCCCCC1=O QISSLHPKTCLLDL-UHFFFAOYSA-N 0.000 description 3
150000007513 acids Chemical class 0.000 description 3
125000003545 alkoxy group Chemical group 0.000 description 3
125000000217 alkyl group Chemical group 0.000 description 3
125000003710 aryl alkyl group Chemical group 0.000 description 3
125000002102 aryl alkyloxo group Chemical group 0.000 description 3
125000003118 aryl group Chemical group 0.000 description 3
125000004104 aryloxy group Chemical group 0.000 description 3
229920001400 block copolymer Polymers 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
229910052757 nitrogen Inorganic materials 0.000 description 3
230000035484 reaction time Effects 0.000 description 3
DVPHDWQFZRBFND-DMHDVGBCSA-N 1-o-[2-[(3ar,5r,6s,6ar)-2,2-dimethyl-6-prop-2-enoyloxy-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]-2-[4-[(2s,3r)-1-butan-2-ylsulfanyl-2-(2-chlorophenyl)-4-oxoazetidin-3-yl]oxy-4-oxobutanoyl]oxyethyl] 4-o-[(2s,3r)-1-butan-2-ylsulfanyl-2-(2-chloropheny Chemical group C1([C@H]2[C@H](C(N2SC(C)CC)=O)OC(=O)CCC(=O)OC(COC(=O)CCC(=O)O[C@@H]2[C@@H](N(C2=O)SC(C)CC)C=2C(=CC=CC=2)Cl)[C@@H]2[C@@H]([C@H]3OC(C)(C)O[C@H]3O2)OC(=O)C=C)=CC=CC=C1Cl DVPHDWQFZRBFND-DMHDVGBCSA-N 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
239000004952 Polyamide Substances 0.000 description 2
150000001243 acetic acids Chemical class 0.000 description 2
150000001279 adipic acids Chemical class 0.000 description 2
229910052784 alkaline earth metal Inorganic materials 0.000 description 2
239000011952 anionic catalyst Substances 0.000 description 2
150000001559 benzoic acids Chemical class 0.000 description 2
150000004653 carbonic acids Chemical class 0.000 description 2
CCGKOQOJPYTBIH-UHFFFAOYSA-N ethenone Chemical compound C=C=O CCGKOQOJPYTBIH-UHFFFAOYSA-N 0.000 description 2
150000002311 glutaric acids Chemical class 0.000 description 2
239000012948 isocyanate Substances 0.000 description 2
IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 2
150000002513 isocyanates Chemical class 0.000 description 2
150000002531 isophthalic acids Chemical class 0.000 description 2
FJKYMOOCTXTAII-UHFFFAOYSA-L magnesium;3,4-dihydro-2h-pyrrol-5-olate;bromide Chemical compound [Mg+2].[Br-].[O-]C1=NCCC1 FJKYMOOCTXTAII-UHFFFAOYSA-L 0.000 description 2
238000005259 measurement Methods 0.000 description 2
239000000178 monomer Substances 0.000 description 2
BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
150000002913 oxalic acids Chemical class 0.000 description 2
150000003047 pimelic acids Chemical class 0.000 description 2
229920002647 polyamide Polymers 0.000 description 2
150000003330 sebacic acids Chemical class 0.000 description 2
239000000126 substance Substances 0.000 description 2
150000003504 terephthalic acids Chemical class 0.000 description 2
238000012360 testing method Methods 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
230000004913 activation Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
239000003513 alkali Substances 0.000 description 1
150000001342 alkaline earth metals Chemical class 0.000 description 1
238000010539 anionic addition polymerization reaction Methods 0.000 description 1
125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
FZFAMSAMCHXGEF-UHFFFAOYSA-N chloro formate Chemical compound ClOC=O FZFAMSAMCHXGEF-UHFFFAOYSA-N 0.000 description 1
239000004927 clay Substances 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
125000004122 cyclic group Chemical group 0.000 description 1
238000004821 distillation Methods 0.000 description 1
239000000975 dye Substances 0.000 description 1
125000006575 electron-withdrawing group Chemical group 0.000 description 1
239000003623 enhancer Substances 0.000 description 1
239000000945 filler Substances 0.000 description 1
238000011049 filling Methods 0.000 description 1
239000003063 flame retardant Substances 0.000 description 1
229920001002 functional polymer Polymers 0.000 description 1
YVIVRJLWYJGJTJ-UHFFFAOYSA-N gamma-Valerolactam Chemical compound CC1CCC(=O)N1 YVIVRJLWYJGJTJ-UHFFFAOYSA-N 0.000 description 1
239000003365 glass fiber Substances 0.000 description 1
239000010439 graphite Substances 0.000 description 1
229910002804 graphite Inorganic materials 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
125000005462 imide group Chemical group 0.000 description 1
150000007975 iminium salts Chemical class 0.000 description 1
238000011065 in-situ storage Methods 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
BOQJOCGCWDUQOA-UHFFFAOYSA-L magnesium;3,4,5,6-tetrahydro-2h-azepin-7-olate;bromide Chemical compound [Mg+2].[Br-].O=C1CCCCC[N-]1 BOQJOCGCWDUQOA-UHFFFAOYSA-L 0.000 description 1
BBXRZUZBTAVJPH-UHFFFAOYSA-L magnesium;pyrrolidin-2-one;dibromide Chemical compound [Mg+2].[Br-].[Br-].O=C1CCCN1 BBXRZUZBTAVJPH-UHFFFAOYSA-L 0.000 description 1
238000003760 magnetic stirring Methods 0.000 description 1
150000002691 malonic acids Chemical class 0.000 description 1
239000011707 mineral Substances 0.000 description 1
SFMJNHNUOVADRW-UHFFFAOYSA-N n-[5-[9-[4-(methanesulfonamido)phenyl]-2-oxobenzo[h][1,6]naphthyridin-1-yl]-2-methylphenyl]prop-2-enamide Chemical compound C1=C(NC(=O)C=C)C(C)=CC=C1N1C(=O)C=CC2=C1C1=CC(C=3C=CC(NS(C)(=O)=O)=CC=3)=CC=C1N=C2 SFMJNHNUOVADRW-UHFFFAOYSA-N 0.000 description 1
125000004433 nitrogen atom Chemical group N* 0.000 description 1
125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
239000000049 pigment Substances 0.000 description 1
239000004033 plastic Substances 0.000 description 1
239000004014 plasticizer Substances 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
238000010107 reaction injection moulding Methods 0.000 description 1
239000003381 stabilizer Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
150000003444 succinic acids Chemical class 0.000 description 1
238000001721 transfer moulding Methods 0.000 description 1
238000005292 vacuum distillation Methods 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
- 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)
Polyesters Or Polycarbonates (AREA)
Closures For Containers (AREA)
Polymerisation Methods In General (AREA)
Cosmetics (AREA)
Processes Of Treating Macromolecular Substances (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Other In-Based Heterocyclic Compounds (AREA)

DD85284389A 1984-12-17 1985-12-16 Polymerisationsgemisch DD240211A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/682,717 US4595746A (en)	1984-12-17	1984-12-17	Promotion of ε-caprolactam polymerization with lactam magnesium halide catalyst and 2-oxo-1-pyrrolidinyl groups

Publications (1)

Publication Number	Publication Date
DD240211A5 true DD240211A5 (de)	1986-10-22

Family

ID=24740836

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD85284389A DD240211A5 (de)	1984-12-17	1985-12-16	Polymerisationsgemisch

Country Status (14)

Country	Link
US (1)	US4595746A (cs)
EP (1)	EP0188184B1 (cs)
JP (1)	JPH0649756B2 (cs)
KR (1)	KR900004791B1 (cs)
AT (1)	ATE65520T1 (cs)
AU (1)	AU571763B2 (cs)
BR (1)	BR8506296A (cs)
CA (1)	CA1255039A (cs)
CS (1)	CS270425B2 (cs)
DD (1)	DD240211A5 (cs)
DE (1)	DE3583604D1 (cs)
DK (1)	DK581785A (cs)
IE (1)	IE58570B1 (cs)
PT (1)	PT81686B (cs)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL8400006A (nl) *	1984-01-03	1985-08-01	Stamicarbon	Werkwijze voor de condensatie van imide en alkohol.
US4596865A (en) *	1984-12-17	1986-06-24	Monsanto Company	Promotion of ε-caprolactam block copolymerization
NL8600698A (nl) *	1986-03-19	1987-10-16	Stamicarbon	Alkalimetaallactamaat.
FR2619385B1 (fr) *	1987-08-11	1992-01-17	Atochem	Poudre de polyamide constituee de particules a structure " rose des sables ". procede d'obtention de la poudre de polyamide
NL1014605C2 (nl) *	2000-03-10	2001-09-11	Dsm Nv	Werkwijze voor het bereiden van een vertakt polymeer.
NL1014604C2 (nl) *	2000-03-10	2001-09-11	Dsm Nv	Werkwijze voor ketenverlenging.
DE10341811B4 (de) *	2003-09-10	2006-09-28	Ems-Chemie Ag	Katalysatorlösung zur Durchführung der anionischen Lactampolymerisation, Verfahren zu deren Herstellung und Polyamidformmasse
KR20090012343A (ko)	2006-05-31	2009-02-03	이 아이 듀폰 디 네모아 앤드 캄파니	폴리아미드 블록 공중합체의 제법
KR101349063B1 (ko) *	2012-02-24	2014-01-16	지에스칼텍스 주식회사	고수율로 고분자량의 폴리아미드를 제조하는 방법

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3017391A (en) *	1956-12-13	1962-01-16	Monsanto Chemicals	Preparation of polycaprolactam using n-acyl activators
DE1163541B (de) *	1961-02-24	1964-02-20	Hoechst Ag	Verfahren zur Herstellung linearer Polyamide hoher Viskositaet aus am Stickstoff unsubstituierten ª-Lactamen
US3562221A (en) *	1967-01-19	1971-02-09	Basf Ag	Accelerating anionic polymerization of lactams
US3585171A (en) *	1967-07-05	1971-06-15	Basf Ag	Accelerating the anionic polymerization of lactams
US3644264A (en) *	1969-08-01	1972-02-22	Du Pont	N-alkyl pyrrolidone-plasticized copolylactam compositions
US3862262A (en) *	1973-12-10	1975-01-21	Monsanto Co	Lactam-polyol-acyl polyactam terpolymers
US4223112A (en) *	1975-03-03	1980-09-16	Monsanto Company	Lactam-polyol-polyacyl lactam terpolymers
CH602827A5 (cs) *	1975-12-10	1978-08-15	Vysoka Skola Chem Tech
JPS59124930A (ja) *	1982-12-29	1984-07-19	Toray Ind Inc	変性ポリアミドの製造法
US4507465A (en) *	1982-12-29	1985-03-26	Toray Industries, Inc.	Process for producing lactam/polyol block copolymer
JPS59197428A (ja) *	1983-04-26	1984-11-09	Toray Ind Inc	変性ポリアミドの製造法
CA1214012A (en) *	1983-01-27	1986-11-18	Wei-Yeih W. Yang	Rim process using single component composition
CA1225179A (en) *	1983-12-12	1987-08-04	James D. Gabbert	Cross-linked nylon block copolymers
US4596865A (en) *	1984-12-17	1986-06-24	Monsanto Company	Promotion of ε-caprolactam block copolymerization
US4595747A (en) *	1984-12-17	1986-06-17	Monsanto Company	Viscosified lactam polymerization initiator solutions

1984
- 1984-12-17 US US06/682,717 patent/US4595746A/en not_active Expired - Lifetime
1985
- 1985-12-16 DE DE8585870185T patent/DE3583604D1/de not_active Expired - Fee Related
- 1985-12-16 AT AT85870185T patent/ATE65520T1/de not_active IP Right Cessation
- 1985-12-16 IE IE317185A patent/IE58570B1/en not_active IP Right Cessation
- 1985-12-16 EP EP85870185A patent/EP0188184B1/en not_active Expired - Lifetime
- 1985-12-16 CA CA000497760A patent/CA1255039A/en not_active Expired
- 1985-12-16 KR KR1019850009445A patent/KR900004791B1/ko not_active Expired
- 1985-12-16 BR BR8506296A patent/BR8506296A/pt unknown
- 1985-12-16 DD DD85284389A patent/DD240211A5/de unknown
- 1985-12-16 DK DK581785A patent/DK581785A/da not_active Application Discontinuation
- 1985-12-16 PT PT81686A patent/PT81686B/pt not_active IP Right Cessation
- 1985-12-16 CS CS859340A patent/CS270425B2/cs not_active IP Right Cessation
- 1985-12-16 JP JP60281245A patent/JPH0649756B2/ja not_active Expired - Lifetime
- 1985-12-16 AU AU51269/85A patent/AU571763B2/en not_active Ceased

Also Published As

Publication number	Publication date
US4595746A (en)	1986-06-17
PT81686B (pt)	1987-10-20
DE3583604D1 (en)	1991-08-29
EP0188184A2 (en)	1986-07-23
KR860004943A (ko)	1986-07-16
IE58570B1 (en)	1993-10-06
JPH0649756B2 (ja)	1994-06-29
EP0188184A3 (en)	1988-03-02
EP0188184B1 (en)	1991-07-24
CS934085A2 (en)	1989-11-14
CA1255039A (en)	1989-05-30
DK581785A (da)	1986-06-18
PT81686A (en)	1986-01-01
AU5126985A (en)	1986-06-26
JPS61143430A (ja)	1986-07-01
BR8506296A (pt)	1986-08-26
DK581785D0 (da)	1985-12-16
IE853171L (en)	1986-06-17
KR900004791B1 (ko)	1990-07-05
AU571763B2 (en)	1988-04-21
CS270425B2 (en)	1990-06-13
ATE65520T1 (de)	1991-08-15

Publication	Publication Date	Title
DE69609417T2 (de)	2001-03-15	Verzweigtes sternförmiges polyamid
DE1067587B (de)	1959-10-22	Verfahren zur einstufigen Herstellung von Polyamid-Formkoerpern
DD240211A5 (de)	1986-10-22	Polymerisationsgemisch
EP3350248A1 (de)	2018-07-25	Anionische polymerisation von lactamen
DE2014505A1 (de)	1970-10-01	Anionische katalytische Polymerisation von Lactamen
EP0177010A2 (de)	1986-04-09	Polyamidformteile und Verfahren zu ihrer Herstellung
DE2817778A1 (de)	1978-11-23	Glasfaserverstaerkte polyamidzusammensetzungen
DE68916977T2 (de)	1994-11-17	Verfahren zur Herstellung modifizierter Polyamide und so erhaltene Produkte.
DE2532596C2 (cs)	1988-11-17
WO2018041642A1 (de)	2018-03-08	Verfahren zur herstellung eines polyamids mit kaliumlactamat
DE60019810T2 (de)	2006-01-26	Verfahren zur herstellung von polyamid
DD241607A5 (de)	1986-12-17	Zusammensetzung fuer die herstellung von blockcopolymerlactamen
DE1940622A1 (de)	1970-03-26	Massen aus anionisch polymerisiertem Polycaprolactam und Poly
DE68910407T2 (de)	1994-03-03	Verfahren zur Herstellung von modifizierten schlagfesten Polyamiden.
DD240212A5 (de)	1986-10-22	Gemisch das unter bildung eines nylon-6-blockcopolymers polymerisiert
EP0636613A1 (de)	1995-02-01	Alkylphthalate der Polyoxyalkylenphthalyllaktame zur Erhöhung der Schlagzähigkeit und Reissfestigkeit des Polyether-Polykaproamid-Blockkopolymerisates und ihr Herstellungsverfahren
DE1241614B (de)	1967-06-01	Verfahren zur ionogenen Polymerisation von Lactamen
CH666479A5 (de)	1988-07-29	Herstellung von polyolen aus polycarbonsaeuren.
DE2264637C3 (de)	1978-05-03	Verfahren zur Herstellung von Polyamiden durch Polymerisation von Lactamen
AT274370B (de)	1969-09-10	Verfahrenzur Polykondensation von Lactamen zu Polyamiden
DE1645596A1 (de)	1970-10-22	Verfahren zur Polymerisation von im wesentlichen wasserfreien Lactamen
DE1620925C (de)	1973-08-02	Verfahren zur Herstellung von Poly amidformkorpern
DE1239474B (de)	1967-04-27	Verfahren zur Polymerisation von omega-Lactamen
DE1745499C3 (de)	1976-12-30	Verfahren zur Herstellung von Polyamiden
DE1645498A1 (de)	1970-10-29	Verfahren zur Herstellung von Polyamiden