DE2239734A1 - Verfahren zur herstellung von polyamiden - Google Patents
Verfahren zur herstellung von polyamidenInfo
- Publication number
- DE2239734A1 DE2239734A1 DE2239734A DE2239734A DE2239734A1 DE 2239734 A1 DE2239734 A1 DE 2239734A1 DE 2239734 A DE2239734 A DE 2239734A DE 2239734 A DE2239734 A DE 2239734A DE 2239734 A1 DE2239734 A1 DE 2239734A1
- Authority
- DE
- Germany
- Prior art keywords
- mixture
- diamines
- lactams
- acid
- lactam
- 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
- 238000000034 method Methods 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 239000004952 Polyamide Substances 0.000 title description 23
- 229920002647 polyamide Polymers 0.000 title description 23
- 150000004985 diamines Chemical class 0.000 claims description 58
- 150000003951 lactams Chemical class 0.000 claims description 45
- 239000000203 mixture Substances 0.000 claims description 37
- 125000004432 carbon atom Chemical group C* 0.000 claims description 25
- -1 aliphatic lactams Chemical class 0.000 claims description 22
- 150000001991 dicarboxylic acids Chemical class 0.000 claims description 21
- 239000007795 chemical reaction product Substances 0.000 claims description 15
- 239000002253 acid Substances 0.000 claims description 13
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims description 12
- 238000009833 condensation Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 11
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 9
- 150000007513 acids Chemical class 0.000 claims description 8
- 125000001931 aliphatic group Chemical group 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 7
- 239000011541 reaction mixture Substances 0.000 claims description 7
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 5
- 238000000354 decomposition reaction Methods 0.000 claims description 5
- 238000006068 polycondensation reaction Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims 2
- 150000001299 aldehydes Chemical class 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 42
- 229910052757 nitrogen Inorganic materials 0.000 description 22
- 230000002829 reductive effect Effects 0.000 description 13
- 238000003756 stirring Methods 0.000 description 13
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 12
- 230000009477 glass transition Effects 0.000 description 9
- 239000004215 Carbon black (E152) Substances 0.000 description 8
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 8
- 125000000217 alkyl group Chemical group 0.000 description 8
- 125000003118 aryl group Chemical group 0.000 description 8
- 229930195733 hydrocarbon Natural products 0.000 description 8
- 150000002430 hydrocarbons Chemical class 0.000 description 8
- 125000004429 atom Chemical group 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 6
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 150000003254 radicals Chemical class 0.000 description 5
- 239000001361 adipic acid Substances 0.000 description 4
- 235000011037 adipic acid Nutrition 0.000 description 4
- 238000007710 freezing Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- DZIHTWJGPDVSGE-UHFFFAOYSA-N 4-[(4-aminocyclohexyl)methyl]cyclohexan-1-amine Chemical compound C1CC(N)CCC1CC1CCC(N)CC1 DZIHTWJGPDVSGE-UHFFFAOYSA-N 0.000 description 2
- CNPURSDMOWDNOQ-UHFFFAOYSA-N 4-methoxy-7h-pyrrolo[2,3-d]pyrimidin-2-amine Chemical compound COC1=NC(N)=NC2=C1C=CN2 CNPURSDMOWDNOQ-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002667 nucleating agent Substances 0.000 description 2
- BTLSLHNLDQCWKS-UHFFFAOYSA-N oxocan-2-one Chemical compound O=C1CCCCCCO1 BTLSLHNLDQCWKS-UHFFFAOYSA-N 0.000 description 2
- XUWHAWMETYGRKB-UHFFFAOYSA-N piperidin-2-one Chemical compound O=C1CCCCN1 XUWHAWMETYGRKB-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- TUGAQVRNALIPHY-UHFFFAOYSA-N 2,2-dimethylpentane-1,5-diamine Chemical compound NCC(C)(C)CCCN TUGAQVRNALIPHY-UHFFFAOYSA-N 0.000 description 1
- DPQHRXRAZHNGRU-UHFFFAOYSA-N 2,4,4-trimethylhexane-1,6-diamine Chemical compound NCC(C)CC(C)(C)CCN DPQHRXRAZHNGRU-UHFFFAOYSA-N 0.000 description 1
- QHNBKRVBKPWUKG-UHFFFAOYSA-N 2-Ethylglutaric acid Chemical compound CCC(C(O)=O)CCC(O)=O QHNBKRVBKPWUKG-UHFFFAOYSA-N 0.000 description 1
- WAXJSQREIWGYCB-UHFFFAOYSA-N 2-[4-(carboxymethyl)cyclohexyl]acetic acid Chemical compound OC(=O)CC1CCC(CC(O)=O)CC1 WAXJSQREIWGYCB-UHFFFAOYSA-N 0.000 description 1
- SLWIPPZWFZGHEU-UHFFFAOYSA-N 2-[4-(carboxymethyl)phenyl]acetic acid Chemical compound OC(=O)CC1=CC=C(CC(O)=O)C=C1 SLWIPPZWFZGHEU-UHFFFAOYSA-N 0.000 description 1
- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 description 1
- FZZMTSNZRBFGGU-UHFFFAOYSA-N 2-chloro-7-fluoroquinazolin-4-amine Chemical compound FC1=CC=C2C(N)=NC(Cl)=NC2=C1 FZZMTSNZRBFGGU-UHFFFAOYSA-N 0.000 description 1
- JZUHIOJYCPIVLQ-UHFFFAOYSA-N 2-methylpentane-1,5-diamine Chemical compound NCC(C)CCCN JZUHIOJYCPIVLQ-UHFFFAOYSA-N 0.000 description 1
- FWQNYUYRXNWOOM-UHFFFAOYSA-N 2-nonylpropanedioic acid Chemical compound CCCCCCCCCC(C(O)=O)C(O)=O FWQNYUYRXNWOOM-UHFFFAOYSA-N 0.000 description 1
- NOYHAZUXDIXKTA-UHFFFAOYSA-N 2-tert-butylhexanedioic acid Chemical compound CC(C)(C)C(C(O)=O)CCCC(O)=O NOYHAZUXDIXKTA-UHFFFAOYSA-N 0.000 description 1
- ZGMQLPDXPUINCQ-UHFFFAOYSA-N 3,3,5-trimethylcyclohexan-1-amine Chemical compound CC1CC(N)CC(C)(C)C1 ZGMQLPDXPUINCQ-UHFFFAOYSA-N 0.000 description 1
- SMDGQEQWSSYZKX-UHFFFAOYSA-N 3-(2,3-dicarboxyphenoxy)phthalic acid Chemical compound OC(=O)C1=CC=CC(OC=2C(=C(C(O)=O)C=CC=2)C(O)=O)=C1C(O)=O SMDGQEQWSSYZKX-UHFFFAOYSA-N 0.000 description 1
- JPOCTPGABIRZFY-UHFFFAOYSA-N 3-(2,3-dicarboxyphenyl)sulfanylphthalic acid Chemical compound OC(=O)C1=CC=CC(SC=2C(=C(C(O)=O)C=CC=2)C(O)=O)=C1C(O)=O JPOCTPGABIRZFY-UHFFFAOYSA-N 0.000 description 1
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 description 1
- DMEDOWYXHVUPMO-UHFFFAOYSA-N 4-(carboxymethyl)benzoic acid Chemical compound OC(=O)CC1=CC=C(C(O)=O)C=C1 DMEDOWYXHVUPMO-UHFFFAOYSA-N 0.000 description 1
- CKDSFRWKHBYHHT-UHFFFAOYSA-N 4-bicyclo[2.2.1]heptanylmethanamine Chemical class C1CC2CCC1(CN)C2 CKDSFRWKHBYHHT-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- WLBKPOIPNLBODR-UHFFFAOYSA-N NC1(C2CCC1(CC2)C)N Chemical compound NC1(C2CCC1(CC2)C)N WLBKPOIPNLBODR-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 101150052863 THY1 gene Proteins 0.000 description 1
- ZBLACDIKXKCJGF-WDSKDSINSA-N [(1r,2r)-2-(aminomethyl)cyclobutyl]methanamine Chemical compound NC[C@@H]1CC[C@H]1CN ZBLACDIKXKCJGF-WDSKDSINSA-N 0.000 description 1
- JELQKQJUMUHAGY-UHFFFAOYSA-N [2-(aminomethyl)cyclopentyl]methanamine Chemical compound NCC1CCCC1CN JELQKQJUMUHAGY-UHFFFAOYSA-N 0.000 description 1
- QLBRROYTTDFLDX-UHFFFAOYSA-N [3-(aminomethyl)cyclohexyl]methanamine Chemical compound NCC1CCCC(CN)C1 QLBRROYTTDFLDX-UHFFFAOYSA-N 0.000 description 1
- AJSMFLLYPNSHIV-UHFFFAOYSA-N [4-(aminomethyl)-2,5-dimethylphenyl]methanamine Chemical compound CC1=CC(CN)=C(C)C=C1CN AJSMFLLYPNSHIV-UHFFFAOYSA-N 0.000 description 1
- OXIKYYJDTWKERT-UHFFFAOYSA-N [4-(aminomethyl)cyclohexyl]methanamine Chemical class NCC1CCC(CN)CC1 OXIKYYJDTWKERT-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- BMAXQTDMWYDIJX-UHFFFAOYSA-N bicyclo[2.2.1]hept-2-ene-5-carbonitrile Chemical compound C1C2C(C#N)CC1C=C2 BMAXQTDMWYDIJX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- ONTQJDKFANPPKK-UHFFFAOYSA-L chembl3185981 Chemical compound [Na+].[Na+].CC1=CC(C)=C(S([O-])(=O)=O)C=C1N=NC1=CC(S([O-])(=O)=O)=C(C=CC=C2)C2=C1O ONTQJDKFANPPKK-UHFFFAOYSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920006039 crystalline polyamide Polymers 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 238000004455 differential thermal analysis Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- JMLPVHXESHXUSV-UHFFFAOYSA-N dodecane-1,1-diamine Chemical compound CCCCCCCCCCCC(N)N JMLPVHXESHXUSV-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011888 foil Substances 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
- 239000005337 ground glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 238000007037 hydroformylation reaction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- GODRGSBJTFNCPC-UHFFFAOYSA-N n'-ethylhexane-1,6-diamine Chemical compound CCNCCCCCCN GODRGSBJTFNCPC-UHFFFAOYSA-N 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical class C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- DMCTVRQBJMBEDT-UHFFFAOYSA-N phenol;1,1,1,2-tetrachloroethane Chemical compound ClCC(Cl)(Cl)Cl.OC1=CC=CC=C1 DMCTVRQBJMBEDT-UHFFFAOYSA-N 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 238000006268 reductive amination reaction Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000005346 substituted cycloalkyl group Chemical group 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000001291 vacuum drying 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
- C08G69/36—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines and polycarboxylic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2239734A DE2239734A1 (de) | 1972-08-12 | 1972-08-12 | Verfahren zur herstellung von polyamiden |
| NL7310888A NL7310888A (enrdf_load_stackoverflow) | 1972-08-12 | 1973-08-07 | |
| AU59062/73A AU5906273A (en) | 1972-08-12 | 1973-08-09 | Preparation of polyamides |
| SU1958544A SU509241A3 (ru) | 1972-08-12 | 1973-08-10 | Способ получени сополиамидов |
| ZA735455A ZA735455B (en) | 1972-08-12 | 1973-08-10 | Process for the preparation of polyamides |
| IT27795/73A IT995185B (it) | 1972-08-12 | 1973-08-10 | Procedimento per la preparazione di poliamidi |
| BR6149/73A BR7306149D0 (pt) | 1972-08-12 | 1973-08-10 | Processo para a obtencao de poliamidas |
| JP48089379A JPS4945990A (enrdf_load_stackoverflow) | 1972-08-12 | 1973-08-10 | |
| BE134522A BE803544A (fr) | 1972-08-12 | 1973-08-13 | Procede de preparation de polyamides |
| FR7329513A FR2195647A1 (en) | 1972-08-12 | 1973-08-13 | Polyamides from diamines, dicarboxylic acids and lactams - two-stage prepn giving products having reproducible viscosities |
| IN1867/CAL/73A IN138934B (enrdf_load_stackoverflow) | 1972-08-12 | 1973-08-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2239734A DE2239734A1 (de) | 1972-08-12 | 1972-08-12 | Verfahren zur herstellung von polyamiden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2239734A1 true DE2239734A1 (de) | 1974-02-21 |
Family
ID=5853410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2239734A Pending DE2239734A1 (de) | 1972-08-12 | 1972-08-12 | Verfahren zur herstellung von polyamiden |
Country Status (11)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3248776A1 (de) * | 1982-12-31 | 1984-07-12 | Chemische Werke Hüls AG, 4370 Marl | Verwendung von copolyamiden zum heisssiegeln von textilien |
| US6802992B1 (en) | 1997-03-05 | 2004-10-12 | Wieczoreck Juergen | Non-green anti-stokes luminescent substance |
| EP3099729B1 (en) | 2014-01-28 | 2018-06-06 | Radicifil S.p.A. | Three-component copolymers having high transparency and low gas permeability and process for the production thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2293388A (en) * | 1939-11-21 | 1942-08-18 | Du Pont | Polyamides and their preparation |
| GB1268374A (en) * | 1968-05-29 | 1972-03-29 | Bp Chem Int Ltd | Polyamide |
-
1972
- 1972-08-12 DE DE2239734A patent/DE2239734A1/de active Pending
-
1973
- 1973-08-07 NL NL7310888A patent/NL7310888A/xx unknown
- 1973-08-09 AU AU59062/73A patent/AU5906273A/en not_active Expired
- 1973-08-10 ZA ZA735455A patent/ZA735455B/xx unknown
- 1973-08-10 BR BR6149/73A patent/BR7306149D0/pt unknown
- 1973-08-10 SU SU1958544A patent/SU509241A3/ru active
- 1973-08-10 JP JP48089379A patent/JPS4945990A/ja active Pending
- 1973-08-10 IT IT27795/73A patent/IT995185B/it active
- 1973-08-13 BE BE134522A patent/BE803544A/xx unknown
- 1973-08-13 IN IN1867/CAL/73A patent/IN138934B/en unknown
- 1973-08-13 FR FR7329513A patent/FR2195647A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SU509241A3 (ru) | 1976-03-30 |
| FR2195647B1 (enrdf_load_stackoverflow) | 1976-11-19 |
| IT995185B (it) | 1975-11-10 |
| IN138934B (enrdf_load_stackoverflow) | 1976-04-17 |
| NL7310888A (enrdf_load_stackoverflow) | 1974-02-14 |
| ZA735455B (en) | 1974-08-28 |
| JPS4945990A (enrdf_load_stackoverflow) | 1974-05-02 |
| BR7306149D0 (pt) | 1974-07-18 |
| AU5906273A (en) | 1975-02-13 |
| BE803544A (fr) | 1974-02-13 |
| FR2195647A1 (en) | 1974-03-08 |
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