DE1595758A1 - Verfahren zur Herstellung von Polyamiden mit AEtherbindungen - Google Patents
Verfahren zur Herstellung von Polyamiden mit AEtherbindungenInfo
- Publication number
- DE1595758A1 DE1595758A1 DE19661595758 DE1595758A DE1595758A1 DE 1595758 A1 DE1595758 A1 DE 1595758A1 DE 19661595758 DE19661595758 DE 19661595758 DE 1595758 A DE1595758 A DE 1595758A DE 1595758 A1 DE1595758 A1 DE 1595758A1
- Authority
- DE
- Germany
- Prior art keywords
- ether
- adipic acid
- mol
- aminopropyl
- polyamides
- 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.)
- Pending
Links
- 239000004952 Polyamide Substances 0.000 title claims description 35
- 229920002647 polyamide Polymers 0.000 title claims description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 23
- 238000000034 method Methods 0.000 title claims description 21
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 106
- -1 ether diamines Chemical class 0.000 claims description 33
- 238000002844 melting Methods 0.000 claims description 22
- 230000008018 melting Effects 0.000 claims description 22
- 238000009833 condensation Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 13
- 239000005977 Ethylene Substances 0.000 claims description 12
- 230000005494 condensation Effects 0.000 claims description 12
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 11
- 150000001278 adipic acid derivatives Chemical class 0.000 claims description 11
- UFFRSDWQMJYQNE-UHFFFAOYSA-N 6-azaniumylhexylazanium;hexanedioate Chemical compound [NH3+]CCCCCC[NH3+].[O-]C(=O)CCCCC([O-])=O UFFRSDWQMJYQNE-UHFFFAOYSA-N 0.000 claims description 8
- 239000007858 starting material Substances 0.000 claims description 7
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 5
- 239000004327 boric acid Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- SQFCBBLSKSECMB-UHFFFAOYSA-N 2-(3-aminopropoxy)ethanol Chemical compound NCCCOCCO SQFCBBLSKSECMB-UHFFFAOYSA-N 0.000 claims 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 60
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 30
- 239000001361 adipic acid Substances 0.000 description 28
- 235000011037 adipic acid Nutrition 0.000 description 28
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 22
- 239000000243 solution Substances 0.000 description 21
- 239000000047 product Substances 0.000 description 18
- 229910052757 nitrogen Inorganic materials 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000003756 stirring Methods 0.000 description 13
- 238000010521 absorption reaction Methods 0.000 description 11
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000000835 fiber Substances 0.000 description 9
- 239000000155 melt Substances 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- 238000006068 polycondensation reaction Methods 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- KRPRVQWGKLEFKN-UHFFFAOYSA-N 3-(3-aminopropoxy)propan-1-amine Chemical compound NCCCOCCCN KRPRVQWGKLEFKN-UHFFFAOYSA-N 0.000 description 4
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 4
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- QYKPIHUWCSBQAS-UHFFFAOYSA-N C(CCCCC(=O)O)(=O)O.NON Chemical compound C(CCCCC(=O)O)(=O)O.NON QYKPIHUWCSBQAS-UHFFFAOYSA-N 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- WURBFLDFSFBTLW-UHFFFAOYSA-N benzil Chemical group C=1C=CC=CC=1C(=O)C(=O)C1=CC=CC=C1 WURBFLDFSFBTLW-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- SBOJXQVPLKSXOG-UHFFFAOYSA-N o-amino-hydroxylamine Chemical compound NON SBOJXQVPLKSXOG-UHFFFAOYSA-N 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- NTFJXDRAVMOYBG-UHFFFAOYSA-N 2-(2,2-dicyanoethoxymethyl)propanedinitrile Chemical compound N#CC(C#N)COCC(C#N)C#N NTFJXDRAVMOYBG-UHFFFAOYSA-N 0.000 description 2
- QNCFKOUSIIQMMI-UHFFFAOYSA-N 3-(2-hydroxyethoxy)propanenitrile Chemical compound OCCOCCC#N QNCFKOUSIIQMMI-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 235000013601 eggs Nutrition 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- UVSDPQBAKJACCV-UHFFFAOYSA-N ethene;hexanedioic acid Chemical group C=C.OC(=O)CCCCC(O)=O UVSDPQBAKJACCV-UHFFFAOYSA-N 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 235000012149 noodles Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
- 229940079877 pyrogallol Drugs 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- RNQBCZCPNUHWLV-UHFFFAOYSA-N 1,8-dioxacyclotetradecane-2,7-dione Chemical compound O=C1CCCCC(=O)OCCCCCCO1 RNQBCZCPNUHWLV-UHFFFAOYSA-N 0.000 description 1
- BCGCCTGNWPKXJL-UHFFFAOYSA-N 3-(2-cyanoethoxy)propanenitrile Chemical compound N#CCCOCCC#N BCGCCTGNWPKXJL-UHFFFAOYSA-N 0.000 description 1
- ZXOSLNZFVPGYTB-UHFFFAOYSA-N 3-(3-aminopropoxy)propan-1-amine hexanedioic acid Chemical compound C(CCCCC(=O)O)(=O)O.NCCCOCCCN ZXOSLNZFVPGYTB-UHFFFAOYSA-N 0.000 description 1
- WSGYTJNNHPZFKR-UHFFFAOYSA-N 3-hydroxypropanenitrile Chemical compound OCCC#N WSGYTJNNHPZFKR-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 241001136782 Alca Species 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 206010016334 Feeling hot Diseases 0.000 description 1
- WUGQZFFCHPXWKQ-UHFFFAOYSA-N Propanolamine Chemical compound NCCCO WUGQZFFCHPXWKQ-UHFFFAOYSA-N 0.000 description 1
- 239000007868 Raney catalyst Substances 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 229910000564 Raney nickel Inorganic materials 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 241000405217 Viola <butterfly> Species 0.000 description 1
- PQLVXDKIJBQVDF-UHFFFAOYSA-N acetic acid;hydrate Chemical compound O.CC(O)=O PQLVXDKIJBQVDF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- IBAHLNWTOIHLKE-UHFFFAOYSA-N cyano cyanate Chemical compound N#COC#N IBAHLNWTOIHLKE-UHFFFAOYSA-N 0.000 description 1
- 150000001934 cyclohexanes Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002334 glycols Chemical class 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
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- NZMKDIRSECSIMC-UHFFFAOYSA-N oxonane-4,7-diamine Chemical compound NC1CCOCCC(N)CC1 NZMKDIRSECSIMC-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000004816 paper chromatography Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000011492 sheep wool Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920001059 synthetic polymer 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
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 210000002268 wool Anatomy 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
- C08G69/40—Polyamides containing oxygen in the form of ether groups
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG0047579 | 1966-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1595758A1 true DE1595758A1 (de) | 1970-02-12 |
Family
ID=7128399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661595758 Pending DE1595758A1 (de) | 1966-08-02 | 1966-08-02 | Verfahren zur Herstellung von Polyamiden mit AEtherbindungen |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3509106A (forum.php) |
| AT (1) | AT271892B (forum.php) |
| BE (1) | BE701477A (forum.php) |
| CH (1) | CH484966A (forum.php) |
| DE (1) | DE1595758A1 (forum.php) |
| ES (1) | ES343700A1 (forum.php) |
| FR (1) | FR1583612A (forum.php) |
| GB (1) | GB1184949A (forum.php) |
| IL (1) | IL28374A (forum.php) |
| LU (1) | LU54136A1 (forum.php) |
| NL (1) | NL6710463A (forum.php) |
| NO (1) | NO122343B (forum.php) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2454119A1 (de) * | 1973-11-14 | 1975-05-15 | Sun Ventures Inc | Blockcopolymeres |
| DE2454142A1 (de) * | 1973-11-14 | 1975-05-15 | Sun Ventures Inc | Blockcopolymeres |
| DE2454120A1 (de) * | 1973-11-14 | 1975-05-15 | Sun Ventures Inc | Blockcopolymeres |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3882090A (en) * | 1973-06-04 | 1975-05-06 | Eastman Kodak Co | Water-soluble polyamides from alkyleneoxy bis(propyl-amine) |
| IN142629B (forum.php) * | 1973-11-14 | 1977-08-06 | Sun Ventures Inc | |
| US4182845A (en) * | 1974-11-29 | 1980-01-08 | Texaco Development Corporation | Preparation of polyamide thermoplastic adhesive from polyoxypropylene polyamine and piperazine |
| BE835848A (fr) * | 1974-11-29 | 1976-05-21 | Nouvelles compositions adhesives thermoplastiques | |
| US4136133A (en) * | 1975-03-27 | 1979-01-23 | Sun Ventures, Inc. | Block copolymer of poly (oxa-amide) and polyamide |
| US4044071A (en) * | 1976-11-08 | 1977-08-23 | Suntech, Inc. | Single step preparation of block copolymer of polyamides |
| US4045511A (en) * | 1976-11-08 | 1977-08-30 | Suntech, Inc. | Minimum energy process for preparing block copolymers of polyamides |
| US4045512A (en) * | 1976-11-26 | 1977-08-30 | Suntech, Inc. | Melt blending polyamide process |
| US4165346A (en) * | 1976-11-26 | 1979-08-21 | Sun Oil Company Of Pennsylvania | Copolymer of poly(4,7-dioxadecamethylene adipamide)-polycaprolactam containing terephthalic acid |
| US4235714A (en) * | 1978-12-18 | 1980-11-25 | Suntech, Inc. | Hydrophilic polyamide film for semipermeable membranes |
| US4273898A (en) * | 1979-09-06 | 1981-06-16 | Suntech, Inc. | Block copolymer of polyetheramide and random copolymer of polyamide and polyetheramide |
| USRE31522E (en) * | 1981-07-21 | 1984-02-14 | Cincinnati Milacron Inc. | Salt of a polyamide and functional fluid containing same |
| US4374741A (en) * | 1981-07-21 | 1983-02-22 | Cincinnati Milacron Inc. | Polyamide and functional fluid containing same |
| US5349045A (en) * | 1993-01-26 | 1994-09-20 | United States Surgical Corporation | Polymer derived from cyclic amide and medical devices manufactured therefrom |
| US5532487A (en) * | 1994-11-23 | 1996-07-02 | E. I. Du Pont De Nemours And Company | Near-infrared measurement and control of polyamide processes |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL49796C (forum.php) * | 1937-08-20 | |||
| US2172374A (en) * | 1937-11-09 | 1939-09-12 | Du Pont | Polymerization process |
| US2359867A (en) * | 1941-11-26 | 1944-10-10 | Du Pont | Fiber-forming interpolymers |
| US2625536A (en) * | 1951-05-05 | 1953-01-13 | Du Pont | Neutral esters of dicarboxylic acid orthophosphoric acid mixed anhydrides and condensation polymerization process utilizing the same |
| US2831834A (en) * | 1951-05-12 | 1958-04-22 | Du Pont | Process for preparing polyamides |
-
1966
- 1966-08-02 DE DE19661595758 patent/DE1595758A1/de active Pending
-
1967
- 1967-07-10 AT AT642067A patent/AT271892B/de active
- 1967-07-17 GB GB32725/67A patent/GB1184949A/en not_active Expired
- 1967-07-18 BE BE701477D patent/BE701477A/xx unknown
- 1967-07-19 LU LU54136D patent/LU54136A1/xx unknown
- 1967-07-21 IL IL28374A patent/IL28374A/en unknown
- 1967-07-25 CH CH1055867A patent/CH484966A/de unknown
- 1967-07-26 US US656251A patent/US3509106A/en not_active Expired - Lifetime
- 1967-07-28 NL NL6710463A patent/NL6710463A/xx unknown
- 1967-08-01 ES ES343700A patent/ES343700A1/es not_active Expired
- 1967-08-01 FR FR1583612D patent/FR1583612A/fr not_active Expired
- 1967-08-02 NO NO169245A patent/NO122343B/no unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2454119A1 (de) * | 1973-11-14 | 1975-05-15 | Sun Ventures Inc | Blockcopolymeres |
| DE2454142A1 (de) * | 1973-11-14 | 1975-05-15 | Sun Ventures Inc | Blockcopolymeres |
| DE2454120A1 (de) * | 1973-11-14 | 1975-05-15 | Sun Ventures Inc | Blockcopolymeres |
Also Published As
| Publication number | Publication date |
|---|---|
| IL28374A (en) | 1971-01-28 |
| NO122343B (forum.php) | 1971-06-14 |
| FR1583612A (forum.php) | 1969-11-21 |
| US3509106A (en) | 1970-04-28 |
| AT271892B (de) | 1969-06-25 |
| BE701477A (forum.php) | 1968-01-02 |
| ES343700A1 (es) | 1968-09-01 |
| LU54136A1 (forum.php) | 1967-09-19 |
| CH484966A (de) | 1970-01-31 |
| GB1184949A (en) | 1970-03-18 |
| NL6710463A (forum.php) | 1968-02-05 |
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