DD268243A5 - Verfahren zur herstellung von polyaminen - Google Patents

Verfahren zur herstellung von polyaminen Download PDF

Info

Publication number: DD268243A5
Authority: DD; German Democratic Republic
Prior art keywords: nco; weight; groups; component; water
Prior art date: 1987-03-28

Application number

DD88314035A

Other languages

German (de)

English (en)

Inventor

Andreas Ruckes

Werner Rasshofer

Klaus Koenig

Richard Kopp

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.)

1987-03-28

Filing date

1988-03-25

Publication date

1989-05-24

1988-03-25 Application filed by ��@��k�� filed Critical ��@��k��

1989-05-24 Publication of DD268243A5 publication Critical patent/DD268243A5/de

Links

229920000768 polyamine Polymers 0.000 title claims abstract description 28
238000004519 manufacturing process Methods 0.000 title abstract description 7
238000000034 method Methods 0.000 claims abstract description 33
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 30
230000008569 process Effects 0.000 claims abstract description 24
239000003054 catalyst Substances 0.000 claims abstract description 21
238000006460 hydrolysis reaction Methods 0.000 claims abstract description 15
238000002360 preparation method Methods 0.000 claims abstract description 14
230000007062 hydrolysis Effects 0.000 claims abstract description 13
125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims abstract description 5
WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 39
229920001228 polyisocyanate Polymers 0.000 claims description 25
239000005056 polyisocyanate Substances 0.000 claims description 25
238000006243 chemical reaction Methods 0.000 claims description 23
150000001875 compounds Chemical class 0.000 claims description 16
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
SYBYTAAJFKOIEJ-UHFFFAOYSA-N 3-Methylbutan-2-one Chemical compound CC(C)C(C)=O SYBYTAAJFKOIEJ-UHFFFAOYSA-N 0.000 claims description 4
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
239000003960 organic solvent Substances 0.000 claims description 4
238000009835 boiling Methods 0.000 claims description 3
150000002576 ketones Chemical class 0.000 claims description 3
150000002825 nitriles Chemical class 0.000 claims description 3
239000003495 polar organic solvent Substances 0.000 claims description 3
125000001033 ether group Chemical group 0.000 claims description 2
150000003462 sulfoxides Chemical class 0.000 claims description 2
125000003277 amino group Chemical group 0.000 abstract description 5
IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 abstract description 5
229920003226 polyurethane urea Polymers 0.000 abstract description 5
239000002798 polar solvent Substances 0.000 abstract description 3
150000001412 amines Chemical class 0.000 description 13
-1 alkali metal cyanides Chemical class 0.000 description 11
239000002904 solvent Substances 0.000 description 11
239000000203 mixture Substances 0.000 description 9
238000010626 work up procedure Methods 0.000 description 9
125000003118 aryl group Chemical group 0.000 description 8
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 7
JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 6
239000004814 polyurethane Substances 0.000 description 6
239000011541 reaction mixture Substances 0.000 description 6
PCHXZXKMYCGVFA-UHFFFAOYSA-N 1,3-diazetidine-2,4-dione Chemical compound O=C1NC(=O)N1 PCHXZXKMYCGVFA-UHFFFAOYSA-N 0.000 description 5
239000004202 carbamide Substances 0.000 description 5
235000013877 carbamide Nutrition 0.000 description 5
239000012948 isocyanate Substances 0.000 description 5
150000002513 isocyanates Chemical group 0.000 description 5
229920002635 polyurethane Polymers 0.000 description 5
238000010992 reflux Methods 0.000 description 5
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 4
239000007795 chemical reaction product Substances 0.000 description 4
ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 4
229920005862 polyol Polymers 0.000 description 4
150000003077 polyols Chemical class 0.000 description 4
239000007858 starting material Substances 0.000 description 4
ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
238000002156 mixing Methods 0.000 description 3
230000004048 modification Effects 0.000 description 3
238000012986 modification Methods 0.000 description 3
229920003023 plastic Polymers 0.000 description 3
239000004033 plastic Substances 0.000 description 3
239000000243 solution Substances 0.000 description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
239000004721 Polyphenylene oxide Substances 0.000 description 2
239000000654 additive Substances 0.000 description 2
230000008901 benefit Effects 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
238000007796 conventional method Methods 0.000 description 2
238000011161 development Methods 0.000 description 2
238000004821 distillation Methods 0.000 description 2
150000002148 esters Chemical class 0.000 description 2
239000012467 final product Substances 0.000 description 2
125000000623 heterocyclic group Chemical group 0.000 description 2
238000002844 melting Methods 0.000 description 2
238000005191 phase separation Methods 0.000 description 2
229920000570 polyether Polymers 0.000 description 2
239000000047 product Substances 0.000 description 2
239000000376 reactant Substances 0.000 description 2
230000009467 reduction Effects 0.000 description 2
150000003512 tertiary amines Chemical class 0.000 description 2
239000010409 thin film Substances 0.000 description 2
125000003396 thiol group Chemical group [H]S* 0.000 description 2
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 2
RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
OQURWGJAWSLGQG-UHFFFAOYSA-N 1-isocyanatopropane Chemical class CCCN=C=O OQURWGJAWSLGQG-UHFFFAOYSA-N 0.000 description 1
VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 1
SNZYOYGFWBZAQY-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;2-methyloxirane Chemical compound CC1CO1.CCC(CO)(CO)CO SNZYOYGFWBZAQY-UHFFFAOYSA-N 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
239000004970 Chain extender Substances 0.000 description 1
238000005684 Liebig rearrangement reaction Methods 0.000 description 1
DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
229910052783 alkali metal Inorganic materials 0.000 description 1
229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
150000008041 alkali metal carbonates Chemical class 0.000 description 1
150000008044 alkali metal hydroxides Chemical class 0.000 description 1
229910052910 alkali metal silicate Inorganic materials 0.000 description 1
150000001408 amides Chemical class 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
150000004649 carbonic acid derivatives Chemical class 0.000 description 1
150000007942 carboxylates Chemical class 0.000 description 1
238000006555 catalytic reaction Methods 0.000 description 1
230000001413 cellular effect Effects 0.000 description 1
238000003776 cleavage reaction Methods 0.000 description 1
238000000576 coating method Methods 0.000 description 1
230000008878 coupling Effects 0.000 description 1
238000010168 coupling process Methods 0.000 description 1
238000005859 coupling reaction Methods 0.000 description 1
230000006735 deficit Effects 0.000 description 1
125000005442 diisocyanate group Chemical group 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
150000002009 diols Chemical class 0.000 description 1
238000002845 discoloration Methods 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000007700 distillative separation Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
229920001971 elastomer Polymers 0.000 description 1
239000000806 elastomer Substances 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
239000003822 epoxy resin Substances 0.000 description 1
125000004185 ester group Chemical group 0.000 description 1
239000004210 ether based solvent Substances 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000008240 homogeneous mixture Substances 0.000 description 1
239000012456 homogeneous solution Substances 0.000 description 1
150000003949 imides Chemical class 0.000 description 1
239000007788 liquid Substances 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
230000008018 melting Effects 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
229920001568 phenolic resin Polymers 0.000 description 1
239000005011 phenolic resin Substances 0.000 description 1
229920002857 polybutadiene Polymers 0.000 description 1
229920000647 polyepoxide Polymers 0.000 description 1
229920000728 polyester Polymers 0.000 description 1
229920005906 polyester polyol Polymers 0.000 description 1
239000004848 polyfunctional curative Substances 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-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
239000012429 reaction media Substances 0.000 description 1
230000007017 scission Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000007086 side reaction Methods 0.000 description 1
239000011734 sodium Substances 0.000 description 1
230000002269 spontaneous effect Effects 0.000 description 1
238000003756 stirring Methods 0.000 description 1
150000003568 thioethers Chemical class 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
- C08G18/5036—Polyethers having heteroatoms other than oxygen having nitrogen containing -N-C=O groups
- C08G18/5048—Products of hydrolysis of polyether-urethane prepolymers containing isocyanate groups
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Polyurethanes Or Polyureas (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

DD88314035A 1987-03-28 1988-03-25 Verfahren zur herstellung von polyaminen DD268243A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19873710426 DE3710426A1 (de)	1987-03-28	1987-03-28	Verfahren zur herstellung von polyaminen und deren verwendung zur herstellung von polyurethanen

Publications (1)

Publication Number	Publication Date
DD268243A5 true DD268243A5 (de)	1989-05-24

Family

ID=6324312

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD88314035A DD268243A5 (de)	1987-03-28	1988-03-25	Verfahren zur herstellung von polyaminen

Country Status (11)

Country	Link
US (1)	US4843108A (fr)
EP (1)	EP0284887A3 (fr)
JP (1)	JPS63256611A (fr)
KR (1)	KR880011228A (fr)
AU (1)	AU611420B2 (fr)
BR (1)	BR8801390A (fr)
DD (1)	DD268243A5 (fr)
DE (1)	DE3710426A1 (fr)
MX (1)	MX167405B (fr)
PL (1)	PL151801B1 (fr)
ZA (1)	ZA882139B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3534947A1 (de) *	1985-10-01	1987-04-09	Bayer Ag	Verfahren zur herstellung von polyaminen, polyamine und deren verwendung zur herstellung von polyurethanen
US5283364A (en) *	1985-10-18	1994-02-01	Bayer Aktiengesellschaft	Hydrolysis process for polyamines
DE3712117A1 (de) *	1987-04-10	1988-10-20	Bayer Ag	Verfahren zur herstellung von polyaminen und deren verwendung zur herstellung von polyurethanen
DK0392299T3 (da) *	1989-04-14	1993-06-21	Bayer Ag	Fremgangsmåde til fremstilling af organiske aminer, polyaminblandinger og deres anvendelse som hærdnere for kunststofforstadier
US5028637A (en) *	1989-10-06	1991-07-02	Mobay Corporation	Isocyanate reactive mixture and the use thereof in the manufacture of flexible polyurethane foams
WO1999002297A1 (fr) *	1997-07-09	1999-01-21	Cook Harold D	Rallonge de machine-outil et son procede de formation
WO2000068180A1 (fr)	1999-05-05	2000-11-16	The Dow Chemical Company	Procede de recuperation de toluene-diamine a partir de residus de distillation du diisocyanate de toluene

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2948419C2 (de) *	1979-12-01	1985-02-07	Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von Polyaminen und deren Verwendung in einem Verfahren zur Herstellung von Polyurethankunststoffen
DE3039600A1 (de) *	1980-10-21	1982-05-19	Bayer Ag, 5090 Leverkusen	Polyamine, verfahren zur herstellung von polyaminen und deren verwendung zur herstellung von polyurethankunststoffen
CA1221383A (fr) *	1981-08-07	1987-05-05	Werner Rasshofer	Polyamines, leur production et leur emploi dans la fabrication du polyurethane
DE3223397A1 (de) *	1982-06-23	1983-12-29	Bayer Ag, 5090 Leverkusen	Einstufenverfahren zur herstellung von polyaminen aus nco-prepolymeren, polyamine und deren verwendung zur herstellung von polyurethanen
DE3223398A1 (de) *	1982-06-23	1983-12-29	Bayer Ag, 5090 Leverkusen	Polyamine, verfahren zur herstellung von polyaminen und deren verwendung zur herstellung von polyurethanen
DE3223400A1 (de) *	1982-06-23	1983-12-29	Bayer Ag, 5090 Leverkusen	Polyamine, verfahren zur herstellung von polyaminen und deren verwendung zur herstellung von polyurethanen
DE3244913A1 (de) *	1982-12-04	1984-06-07	Bayer Ag, 5090 Leverkusen	Aminogruppen enthaltende reaktionskomponenten, verfahren zu ihrer herstellung und ihre verwendung
DE3437632A1 (de) *	1984-10-13	1986-04-17	Bayer Ag, 5090 Leverkusen	Verfahren zur herstellung hoehermolekularer aminoverbindungen mit vermindertem monomeramingehalt, sowie deren verwendung
DE3613249A1 (de) *	1985-10-18	1987-04-23	Bayer Ag	Verfahren zur herstellung von polyaminen, polyamine und deren verwendung zur herstellung von polyurethanen

1987
- 1987-03-28 DE DE19873710426 patent/DE3710426A1/de not_active Withdrawn
1988
- 1988-03-10 AU AU12894/88A patent/AU611420B2/en not_active Ceased
- 1988-03-16 EP EP88104137A patent/EP0284887A3/fr not_active Withdrawn
- 1988-03-23 MX MX010857A patent/MX167405B/es unknown
- 1988-03-24 US US07/173,350 patent/US4843108A/en not_active Expired - Fee Related
- 1988-03-25 BR BR8801390A patent/BR8801390A/pt unknown
- 1988-03-25 DD DD88314035A patent/DD268243A5/de not_active IP Right Cessation
- 1988-03-25 ZA ZA882139A patent/ZA882139B/xx unknown
- 1988-03-25 PL PL1988271451A patent/PL151801B1/pl unknown
- 1988-03-26 JP JP63070907A patent/JPS63256611A/ja active Pending
- 1988-03-26 KR KR1019880003281A patent/KR880011228A/ko not_active Ceased

Also Published As

Publication number	Publication date
KR880011228A (ko)	1988-10-27
ZA882139B (en)	1988-09-19
PL151801B1 (en)	1990-10-31
US4843108A (en)	1989-06-27
DE3710426A1 (de)	1988-10-06
EP0284887A3 (fr)	1989-07-19
EP0284887A2 (fr)	1988-10-05
PL271451A1 (en)	1989-01-23
MX167405B (es)	1993-03-22
BR8801390A (pt)	1988-11-01
AU611420B2 (en)	1991-06-13
JPS63256611A (ja)	1988-10-24
AU1289488A (en)	1988-09-29

Legal Events

Date	Code	Title	Description
1995-07-20	ENJ	Ceased due to non-payment of renewal fee

Publication	Publication Date	Title
EP0050275B1 (fr)	1983-10-19	Préparation de polyamines
DE2948419A1 (de)	1981-08-13	Verfahren zur herstellung von polyaminen und deren verwendung in einem verfahren zur herstellung von polyurethankunststoffen
EP0097290B1 (fr)	1985-04-03	Procédé en une seule étape pour la préparation de polyamines à partir de prépolymères du type NCO, polyamines et l'utilisation de ces dernières pour la production de polyuréthannes
EP0099537B1 (fr)	1986-11-05	Procédé en une étape pour la fabrication de polyamines à partir de prépolymères à groupements NCO
EP0097299A2 (fr)	1984-01-04	Polyamines, procédé pour la préparation de polyamines et leur utilisation pour la préparation de polyuréthanes
DE3613249A1 (de)	1987-04-23	Verfahren zur herstellung von polyaminen, polyamine und deren verwendung zur herstellung von polyurethanen
EP0071139B1 (fr)	1985-12-04	Procédé simplifié de préparation de polyamines par hydrolyse alcaline de composés contenant des groupes NCO et application de ces polyamines pour la préparation de polyuréthanes
DD268243A5 (de)	1989-05-24	Verfahren zur herstellung von polyaminen
DE1227003B (de)	1966-10-20	Verfahren zur Herstellung von Polyisocyanaten mit Carbamylbiuret-Struktur
EP0079512B1 (fr)	1986-04-23	Procédé pour la préparation de polyamines à partir de dérivés d'urée N-monoaryle-N',N'-dialkylique et leur utilisation pour la formation de polyuréthannes
EP0113020B1 (fr)	1987-08-12	Composants de réaction contenant des groupes amino, procédé de leur préparation et leur utilisation
EP0113027B1 (fr)	1986-03-12	Procédé pour la préparation de polyamines
EP0082987A2 (fr)	1983-07-06	Isocyanates-isocyanurates et un procédé pour leur préparation
EP0255677B1 (fr)	1993-12-08	Procédé de fabrication de compositions à fonctions polyamino et hydroxy contenant des groupes uréthane et/ou urée et leur application à la fabrication de polyurée-uréthanes
DE3534947A1 (de)	1987-04-09	Verfahren zur herstellung von polyaminen, polyamine und deren verwendung zur herstellung von polyurethanen
EP0284886A1 (fr)	1988-10-05	Procédé pour la préparation de polyamines et leur utilisation pour la préparation de polyuréthanes
EP0178525B1 (fr)	1990-10-03	Procédé pour la préparation de composés aminés à haut poids moléculaire ayant une teneur en amine monomère réduite ainsi que leur utilisation
EP0726284A1 (fr)	1996-08-14	Polyisocyanates bloqués, procédé de leur préparation et laques et systèmes de revêtement les contenant
DE602005000228T2 (de)	2007-08-23	IPDI-PPG Prepolymer mit niedrigem Restmonomergehalt
EP0285948A1 (fr)	1988-10-12	Procédé pour la préparation de polyamines et leur utilisation pour la préparation de polyuréthanes
DD258615A5 (de)	1988-07-27	Verfahren zur herstellung von polyaminen
DD259870A5 (de)	1988-09-07	Polyamine, verfahren zu ihrer herstellung aus nco-prepolymeren und ihre verwendung bei der herstellung von polyurethanen
EP0325115A2 (fr)	1989-07-26	N,N' bis (5 isocyanatonaphtyl) urée, procédé de préparation et utilisation
DE3735469A1 (de)	1989-05-03	N,n'-bis(trans-4-isocyanatocyclohexyl)harnstoff, verfahren zu dessen herstellung und verwendung
EP0170872A1 (fr)	1986-02-12	Procédé pour la préparation 3,7-bisacétaminoheptan-2-one