JP2017190449A - Method for producing polyamide - Google Patents
Method for producing polyamide Download PDFInfo
- Publication number
- JP2017190449A JP2017190449A JP2017064636A JP2017064636A JP2017190449A JP 2017190449 A JP2017190449 A JP 2017190449A JP 2017064636 A JP2017064636 A JP 2017064636A JP 2017064636 A JP2017064636 A JP 2017064636A JP 2017190449 A JP2017190449 A JP 2017190449A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- carbon atoms
- polymerization
- polymerization initiator
- polyamide
- 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
- 239000004952 Polyamide Substances 0.000 title claims abstract description 22
- 229920002647 polyamide Polymers 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- -1 monocarboxylic acid halide Chemical class 0.000 claims abstract description 30
- 239000003505 polymerization initiator Substances 0.000 claims abstract description 26
- 150000003951 lactams Chemical class 0.000 claims abstract description 17
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 14
- 239000002685 polymerization catalyst Substances 0.000 claims abstract description 11
- 230000000977 initiatory effect Effects 0.000 claims abstract description 7
- 239000007810 chemical reaction solvent Substances 0.000 claims abstract description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 41
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 claims description 8
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical group O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 claims description 7
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 abstract description 3
- 238000010557 suspension polymerization reaction Methods 0.000 abstract description 2
- 150000002763 monocarboxylic acids Chemical class 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 19
- 229910052799 carbon Inorganic materials 0.000 description 19
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- MBMBGCFOFBJSGT-KUBAVDMBSA-N all-cis-docosa-4,7,10,13,16,19-hexaenoic acid Chemical compound CC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CCC(O)=O MBMBGCFOFBJSGT-KUBAVDMBSA-N 0.000 description 8
- YZXBAPSDXZZRGB-DOFZRALJSA-N arachidonic acid Chemical compound CCCCC\C=C/C\C=C/C\C=C/C\C=C/CCCC(O)=O YZXBAPSDXZZRGB-DOFZRALJSA-N 0.000 description 8
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 8
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000005227 gel permeation chromatography Methods 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- ARBOVOVUTSQWSS-UHFFFAOYSA-N hexadecanoyl chloride Chemical compound CCCCCCCCCCCCCCCC(Cl)=O ARBOVOVUTSQWSS-UHFFFAOYSA-N 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 4
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 4
- 229920001007 Nylon 4 Polymers 0.000 description 4
- 239000005642 Oleic acid Substances 0.000 description 4
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 4
- 235000021314 Palmitic acid Nutrition 0.000 description 4
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 4
- 235000021355 Stearic acid Nutrition 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- JAZBEHYOTPTENJ-JLNKQSITSA-N all-cis-5,8,11,14,17-icosapentaenoic acid Chemical compound CC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CCCC(O)=O JAZBEHYOTPTENJ-JLNKQSITSA-N 0.000 description 4
- 235000020661 alpha-linolenic acid Nutrition 0.000 description 4
- 235000021342 arachidonic acid Nutrition 0.000 description 4
- 229940114079 arachidonic acid Drugs 0.000 description 4
- UWCPYKQBIPYOLX-UHFFFAOYSA-N benzene-1,3,5-tricarbonyl chloride Chemical compound ClC(=O)C1=CC(C(Cl)=O)=CC(C(Cl)=O)=C1 UWCPYKQBIPYOLX-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 235000020669 docosahexaenoic acid Nutrition 0.000 description 4
- 229940090949 docosahexaenoic acid Drugs 0.000 description 4
- 235000020673 eicosapentaenoic acid Nutrition 0.000 description 4
- 229960005135 eicosapentaenoic acid Drugs 0.000 description 4
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 4
- 229960004488 linolenic acid Drugs 0.000 description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 4
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 4
- 229960002969 oleic acid Drugs 0.000 description 4
- 235000021313 oleic acid Nutrition 0.000 description 4
- 239000008117 stearic acid Substances 0.000 description 4
- 229960004274 stearic acid Drugs 0.000 description 4
- OBETXYAYXDNJHR-SSDOTTSWSA-M (2r)-2-ethylhexanoate Chemical compound CCCC[C@@H](CC)C([O-])=O OBETXYAYXDNJHR-SSDOTTSWSA-M 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229940098695 palmitic acid Drugs 0.000 description 3
- BDAWXSQJJCIFIK-UHFFFAOYSA-N potassium methoxide Chemical compound [K+].[O-]C BDAWXSQJJCIFIK-UHFFFAOYSA-N 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- BYEAHWXPCBROCE-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropan-2-ol Chemical compound FC(F)(F)C(O)C(F)(F)F BYEAHWXPCBROCE-UHFFFAOYSA-N 0.000 description 2
- WFSGQBNCVASPMW-UHFFFAOYSA-N 2-ethylhexanoyl chloride Chemical compound CCCCC(CC)C(Cl)=O WFSGQBNCVASPMW-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 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 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- FLIACVVOZYBSBS-UHFFFAOYSA-N Methyl palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC FLIACVVOZYBSBS-UHFFFAOYSA-N 0.000 description 2
- HPEUJPJOZXNMSJ-UHFFFAOYSA-N Methyl stearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC HPEUJPJOZXNMSJ-UHFFFAOYSA-N 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 238000010539 anionic addition polymerization reaction Methods 0.000 description 2
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- KEMQGTRYUADPNZ-UHFFFAOYSA-N heptadecanoic acid Chemical compound CCCCCCCCCCCCCCCCC(O)=O KEMQGTRYUADPNZ-UHFFFAOYSA-N 0.000 description 2
- MNWFXJYAOYHMED-UHFFFAOYSA-N heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- ZCSHNCUQKCANBX-UHFFFAOYSA-N lithium diisopropylamide Chemical compound [Li+].CC(C)[N-]C(C)C ZCSHNCUQKCANBX-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- FBUKVWPVBMHYJY-UHFFFAOYSA-N nonanoic acid Chemical compound CCCCCCCCC(O)=O FBUKVWPVBMHYJY-UHFFFAOYSA-N 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- VDZOOKBUILJEDG-UHFFFAOYSA-M tetrabutylammonium hydroxide Chemical compound [OH-].CCCC[N+](CCCC)(CCCC)CCCC VDZOOKBUILJEDG-UHFFFAOYSA-M 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 2
- NTBLHFFUSJRJQO-DOFZRALJSA-N (5z,8z,11z,14z)-icosa-5,8,11,14-tetraenoyl chloride Chemical compound CCCCC\C=C/C\C=C/C\C=C/C\C=C/CCCC(Cl)=O NTBLHFFUSJRJQO-DOFZRALJSA-N 0.000 description 1
- WTTJVINHCBCLGX-UHFFFAOYSA-N (9trans,12cis)-methyl linoleate Natural products CCCCCC=CCC=CCCCCCCCC(=O)OC WTTJVINHCBCLGX-UHFFFAOYSA-N 0.000 description 1
- FBWMYSQUTZRHAT-HZJYTTRNSA-N (9z,12z)-octadeca-9,12-dienoyl chloride Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(Cl)=O FBWMYSQUTZRHAT-HZJYTTRNSA-N 0.000 description 1
- MRKXCQPDRPTZCG-PDBXOOCHSA-N (9z,12z,15z)-octadeca-9,12,15-trienoyl chloride Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(Cl)=O MRKXCQPDRPTZCG-PDBXOOCHSA-N 0.000 description 1
- MLQBTMWHIOYKKC-KTKRTIGZSA-N (z)-octadec-9-enoyl chloride Chemical compound CCCCCCCC\C=C/CCCCCCCC(Cl)=O MLQBTMWHIOYKKC-KTKRTIGZSA-N 0.000 description 1
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- DVWSXZIHSUZZKJ-UHFFFAOYSA-N 18:3n-3 Natural products CCC=CCC=CCC=CCCCCCCCC(=O)OC DVWSXZIHSUZZKJ-UHFFFAOYSA-N 0.000 description 1
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 1
- ZFFBIQMNKOJDJE-UHFFFAOYSA-N 2-bromo-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(Br)C(=O)C1=CC=CC=C1 ZFFBIQMNKOJDJE-UHFFFAOYSA-N 0.000 description 1
- TVPCUVQDVRZTAL-UHFFFAOYSA-N 2-ethylhexanoyl 2-ethylhexanoate Chemical compound CCCCC(CC)C(=O)OC(=O)C(CC)CCCC TVPCUVQDVRZTAL-UHFFFAOYSA-N 0.000 description 1
- NMVXHZSPDTXJSJ-UHFFFAOYSA-L 2-methylpropylaluminum(2+);dichloride Chemical compound CC(C)C[Al](Cl)Cl NMVXHZSPDTXJSJ-UHFFFAOYSA-L 0.000 description 1
- XFPGRCKILOWFOL-UHFFFAOYSA-N 3-chloro-4-phenylmethoxybenzaldehyde Chemical compound ClC1=CC(C=O)=CC=C1OCC1=CC=CC=C1 XFPGRCKILOWFOL-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- MKVURTBBOOIOGL-UHFFFAOYSA-N C(C)[Al](CC)CC.[Na] Chemical compound C(C)[Al](CC)CC.[Na] MKVURTBBOOIOGL-UHFFFAOYSA-N 0.000 description 1
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 1
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000005643 Pelargonic acid Substances 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- BDTYMGCNULYACO-MAZCIEHSSA-N [(9z,12z)-octadeca-9,12-dienoyl] (9z,12z)-octadeca-9,12-dienoate Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(=O)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC BDTYMGCNULYACO-MAZCIEHSSA-N 0.000 description 1
- FPWRACULEOPBSB-YTWBPVBXSA-N [(9z,12z,15z)-octadeca-9,12,15-trienoyl] (9z,12z,15z)-octadeca-9,12,15-trienoate Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(=O)OC(=O)CCCCCCC\C=C/C\C=C/C\C=C/CC FPWRACULEOPBSB-YTWBPVBXSA-N 0.000 description 1
- OCNZHGHKKQOQCZ-CLFAGFIQSA-N [(z)-octadec-9-enoyl] (z)-octadec-9-enoate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC(=O)CCCCCCC\C=C/CCCCCCCC OCNZHGHKKQOQCZ-CLFAGFIQSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 229910000102 alkali metal hydride Inorganic materials 0.000 description 1
- 150000008046 alkali metal hydrides Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 125000005234 alkyl aluminium group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 238000012653 anionic ring-opening polymerization Methods 0.000 description 1
- OFIDNKMQBYGNIW-UHFFFAOYSA-N arachidonic acid methyl ester Natural products CCCCCC=CCC=CCC=CCC=CCCCC(=O)OC OFIDNKMQBYGNIW-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- YDLSUFFXJYEVHW-UHFFFAOYSA-N azonan-2-one Chemical compound O=C1CCCCCCCN1 YDLSUFFXJYEVHW-UHFFFAOYSA-N 0.000 description 1
- CJPIDIRJSIUWRJ-UHFFFAOYSA-N benzene-1,2,4-tricarbonyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C(C(Cl)=O)=C1 CJPIDIRJSIUWRJ-UHFFFAOYSA-N 0.000 description 1
- NDKBVBUGCNGSJJ-UHFFFAOYSA-M benzyltrimethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)CC1=CC=CC=C1 NDKBVBUGCNGSJJ-UHFFFAOYSA-M 0.000 description 1
- HQMRIBYCTLBDAK-UHFFFAOYSA-M bis(2-methylpropyl)alumanylium;chloride Chemical compound CC(C)C[Al](Cl)CC(C)C HQMRIBYCTLBDAK-UHFFFAOYSA-M 0.000 description 1
- SIPUZPBQZHNSDW-UHFFFAOYSA-N bis(2-methylpropyl)aluminum Chemical compound CC(C)C[Al]CC(C)C SIPUZPBQZHNSDW-UHFFFAOYSA-N 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- HIZMBMVNMBMUEE-UHFFFAOYSA-N cyclohexane-1,3,5-tricarbonyl chloride Chemical compound ClC(=O)C1CC(C(Cl)=O)CC(C(Cl)=O)C1 HIZMBMVNMBMUEE-UHFFFAOYSA-N 0.000 description 1
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 1
- DXAPNHFOXAMIIR-UHFFFAOYSA-N docosa-2,4,6,8,10,12-hexaenoyl chloride Chemical compound CCCCCCCCCC=CC=CC=CC=CC=CC=CC(Cl)=O DXAPNHFOXAMIIR-UHFFFAOYSA-N 0.000 description 1
- MKBRUDGUCKEONO-UHFFFAOYSA-N docosa-2,4,6,8,10,12-hexaenoyl docosa-2,4,6,8,10,12-hexaenoate Chemical compound CCCCCCCCCC=CC=CC=CC=CC=CC=CC(=O)OC(=O)C=CC=CC=CC=CC=CC=CCCCCCCCCC MKBRUDGUCKEONO-UHFFFAOYSA-N 0.000 description 1
- VCDLWFYODNTQOT-UHFFFAOYSA-N docosahexaenoic acid methyl ester Natural products CCC=CCC=CCC=CCC=CCC=CCC=CCCC(=O)OC VCDLWFYODNTQOT-UHFFFAOYSA-N 0.000 description 1
- JAZBEHYOTPTENJ-UHFFFAOYSA-N eicosapentaenoic acid Natural products CCC=CCC=CCC=CCC=CCC=CCCCC(O)=O JAZBEHYOTPTENJ-UHFFFAOYSA-N 0.000 description 1
- 239000004210 ether based solvent Substances 0.000 description 1
- 150000004665 fatty acids Chemical group 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 150000004795 grignard reagents Chemical class 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- QWZBEFCPZJWDKC-UHFFFAOYSA-N hexadecanoyl hexadecanoate Chemical compound CCCCCCCCCCCCCCCC(=O)OC(=O)CCCCCCCCCCCCCCC QWZBEFCPZJWDKC-UHFFFAOYSA-N 0.000 description 1
- YWGHUJQYGPDNKT-UHFFFAOYSA-N hexanoyl chloride Chemical compound CCCCCC(Cl)=O YWGHUJQYGPDNKT-UHFFFAOYSA-N 0.000 description 1
- BZCPBAPVTYOTEH-UHFFFAOYSA-N icosa-2,4,6,8,10-pentaenoyl chloride Chemical compound CCCCCCCCCC=CC=CC=CC=CC=CC(Cl)=O BZCPBAPVTYOTEH-UHFFFAOYSA-N 0.000 description 1
- MBKUKOXGDHUPKM-UHFFFAOYSA-N icosa-2,4,6,8,10-pentaenoyl icosa-2,4,6,8,10-pentaenoate Chemical compound CCCCCCCCCC=CC=CC=CC=CC=CC(=O)OC(=O)C=CC=CC=CC=CC=CCCCCCCCCC MBKUKOXGDHUPKM-UHFFFAOYSA-N 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 description 1
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 description 1
- 150000004668 long chain fatty acids Chemical group 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- SKTCDJAMAYNROS-UHFFFAOYSA-N methoxycyclopentane Chemical compound COC1CCCC1 SKTCDJAMAYNROS-UHFFFAOYSA-N 0.000 description 1
- LUYYTKKXYNRVHQ-TYYHYDAASA-N methyl (2e,4e,6e,8e,10e,12e)-docosa-2,4,6,8,10,12-hexaenoate Chemical compound CCCCCCCCC\C=C\C=C\C=C\C=C\C=C\C=C\C(=O)OC LUYYTKKXYNRVHQ-TYYHYDAASA-N 0.000 description 1
- KICUISADAVMYCJ-UHFFFAOYSA-N methyl 2-ethylhexanoate Chemical compound CCCCC(CC)C(=O)OC KICUISADAVMYCJ-UHFFFAOYSA-N 0.000 description 1
- OFIDNKMQBYGNIW-ZKWNWVNESA-N methyl arachidonate Chemical compound CCCCC\C=C/C\C=C/C\C=C/C\C=C/CCCC(=O)OC OFIDNKMQBYGNIW-ZKWNWVNESA-N 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- NDWBPPVTFNMEBT-UHFFFAOYSA-N methyl icosa-2,4,6,8,10-pentaenoate Chemical compound CCCCCCCCCC=CC=CC=CC=CC=CC(=O)OC NDWBPPVTFNMEBT-UHFFFAOYSA-N 0.000 description 1
- WTTJVINHCBCLGX-NQLNTKRDSA-N methyl linoleate Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(=O)OC WTTJVINHCBCLGX-NQLNTKRDSA-N 0.000 description 1
- DVWSXZIHSUZZKJ-YSTUJMKBSA-N methyl linolenate Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(=O)OC DVWSXZIHSUZZKJ-YSTUJMKBSA-N 0.000 description 1
- DVSDBMFJEQPWNO-UHFFFAOYSA-N methyllithium Chemical compound C[Li] DVSDBMFJEQPWNO-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- URXNVXOMQQCBHS-UHFFFAOYSA-N naphthalene;sodium Chemical compound [Na].C1=CC=CC2=CC=CC=C21 URXNVXOMQQCBHS-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- WTBAHSZERDXKKZ-UHFFFAOYSA-N octadecanoyl chloride Chemical compound CCCCCCCCCCCCCCCCCC(Cl)=O WTBAHSZERDXKKZ-UHFFFAOYSA-N 0.000 description 1
- WVJVHUWVQNLPCR-UHFFFAOYSA-N octadecanoyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC(=O)CCCCCCCCCCCCCCCCC WVJVHUWVQNLPCR-UHFFFAOYSA-N 0.000 description 1
- 229960002446 octanoic acid Drugs 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- ANRQGKOBLBYXFM-UHFFFAOYSA-M phenylmagnesium bromide Chemical compound Br[Mg]C1=CC=CC=C1 ANRQGKOBLBYXFM-UHFFFAOYSA-M 0.000 description 1
- XUWHAWMETYGRKB-UHFFFAOYSA-N piperidin-2-one Chemical compound O=C1CCCCN1 XUWHAWMETYGRKB-UHFFFAOYSA-N 0.000 description 1
- IUBQJLUDMLPAGT-UHFFFAOYSA-N potassium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([K])[Si](C)(C)C IUBQJLUDMLPAGT-UHFFFAOYSA-N 0.000 description 1
- NTTOTNSKUYCDAV-UHFFFAOYSA-N potassium hydride Chemical compound [KH] NTTOTNSKUYCDAV-UHFFFAOYSA-N 0.000 description 1
- 229910000105 potassium hydride Inorganic materials 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- GDNULDIPPDQVRH-UHFFFAOYSA-N potassium;pyrrolidin-2-one Chemical compound [K].O=C1CCCN1 GDNULDIPPDQVRH-UHFFFAOYSA-N 0.000 description 1
- XDQSHBPWPDMDGE-UHFFFAOYSA-N propane-1,2,3-tricarbonyl chloride Chemical compound ClC(=O)CC(C(Cl)=O)CC(Cl)=O XDQSHBPWPDMDGE-UHFFFAOYSA-N 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- QAZCPUUJMFBNJO-UHFFFAOYSA-N pyrrolidin-2-one;sodium Chemical compound [Na].O=C1CCCN1 QAZCPUUJMFBNJO-UHFFFAOYSA-N 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 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
- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 description 1
- WRIKHQLVHPKCJU-UHFFFAOYSA-N sodium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([Na])[Si](C)(C)C WRIKHQLVHPKCJU-UHFFFAOYSA-N 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 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 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010558 suspension polymerization method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 description 1
- HADKRTWCOYPCPH-UHFFFAOYSA-M trimethylphenylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C1=CC=CC=C1 HADKRTWCOYPCPH-UHFFFAOYSA-M 0.000 description 1
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 description 1
- 229940005605 valeric acid Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Polyamides (AREA)
Abstract
Description
本発明は、ポリアミドの製造方法に関する。 The present invention relates to a method for producing a polyamide.
ポリアミドの製造方法の一つとして、ラクタムの金属塩等の重合触媒、及び、酸クロライド等の重合開始剤を用いてラクタムをアニオン開環重合する方法が知られている(非特許文献1を参照)。
長鎖脂肪酸骨格を末端に有するポリアミドとして、末端にC10〜C18の脂肪酸骨格を有し、重量平均分子量(Mw)が35000〜100000であるナイロン−4が知られている(特許文献1を参照)。
As one of the methods for producing polyamide, a method of anionic ring-opening polymerization of lactam using a polymerization catalyst such as a metal salt of lactam and a polymerization initiator such as acid chloride is known (see Non-Patent Document 1). ).
Nylon-4 having a C10-C18 fatty acid skeleton at the terminal and a weight average molecular weight (Mw) of 35,000 to 100,000 is known as a polyamide having a long-chain fatty acid skeleton at the terminal (see Patent Document 1). .
溶媒中で懸濁重合を行い、ポリアミド粉末を合成する方法において、分散性を向上させるために、長鎖脂肪族基を末端に導入することが考えられるが、得られるポリアミドの分子量が高分子量化するに至っていなかった。
そこで本発明は、粉末状のポリアミドを高分子量で得られる懸濁重合方法を提供することを目的とする。
In the method of synthesizing polyamide powder by performing suspension polymerization in a solvent, it is conceivable to introduce a long chain aliphatic group at the end in order to improve dispersibility, but the resulting polyamide has a higher molecular weight. I did not come to do.
Then, an object of this invention is to provide the suspension polymerization method which can obtain powdery polyamide by high molecular weight.
本発明者らは、上記課題を解決すべく鋭意検討した結果、重合開始剤として、i)炭素数8〜30のモノカルボン酸ハライド、炭素数8〜30のモノカルボン酸無水物、および炭素数8〜30のモノカルボン酸エステルから選ばれる少なくとも1種の重合開始剤と、ii)3つ以上の重合開始点を有する重合開始剤を、特定のモル比率の範囲で用いることにより、粉末状のポリアミドを高分子量で得られることを見出し、本発明を完成するに至った。
即ち、本発明は、
(1)ラクタムを、反応溶媒、重合触媒、重合開始剤を用いて懸濁重合するポリアミドの製造方法において、重合開始剤として、i)炭素数8〜30のモノカルボン酸ハライド、炭素数8〜30のモノカルボン酸無水物、および炭素数8〜30のモノカルボン酸エステルから選ばれる少なくとも1種の重合開始剤と、ii)3つ以上の重合開始点を有する重合開始剤を95:5〜70:30のモル比率の範囲で用いるポリアミドの製造方法や、
(2)ラクタムが、2−ピロリドンである(1)に記載のポリアミドの製造方法、に関する。
As a result of intensive studies to solve the above problems, the present inventors have found that i) a monocarboxylic acid halide having 8 to 30 carbon atoms, a monocarboxylic acid anhydride having 8 to 30 carbon atoms, and a carbon number. By using at least one polymerization initiator selected from 8 to 30 monocarboxylic acid esters and ii) a polymerization initiator having three or more polymerization initiation points in a specific molar ratio range, The inventors have found that polyamide can be obtained with a high molecular weight, and have completed the present invention.
That is, the present invention
(1) In a method for producing a polyamide in which lactam is suspension-polymerized using a reaction solvent, a polymerization catalyst, and a polymerization initiator, i) a monocarboxylic acid halide having 8 to 30 carbon atoms and 8 to 8 carbon atoms as a polymerization initiator. 95: 5 to a polymerization initiator having at least one polymerization initiator selected from 30 monocarboxylic acid anhydrides and monocarboxylic acid esters having 8 to 30 carbon atoms, and ii) three or more polymerization initiation points A method for producing polyamide used in a molar ratio range of 70:30,
(2) The method for producing a polyamide according to (1), wherein the lactam is 2-pyrrolidone.
本発明の方法を用いることにより、粉末状のポリアミドを高分子量で得ることができる。 By using the method of the present invention, a powdery polyamide can be obtained with a high molecular weight.
(ラクタム)
本発明に用いられるラクタムは、アニオン重合触媒の存在下、開環重合してポリアミドを形成するものであれば特に制限されないが、具体的には、カプロラクタム、2−ピロリドン、バレロラクタム、カプリルラクタム、ラウリルラクタム等を例示することができる。
(Lactam)
The lactam used in the present invention is not particularly limited as long as it forms a polyamide by ring-opening polymerization in the presence of an anionic polymerization catalyst. Specifically, caprolactam, 2-pyrrolidone, valerolactam, capryllactam, A lauryl lactam etc. can be illustrated.
(重合触媒)
本発明に用いられる重合触媒としては、ラクタム類のアニオン重合法で一般的に用いられる化合物を使用することができる。具体的には、ナトリウム、カリウム、リチウム等のアルカリ金属;水酸化ナトリウム、水酸化カリウム等のアルカリ金属水酸化物;水素化ナトリウム、水素化カリウム、水素化ホウ素ナトリウム等のアルカリ金属水素化物;ナトリウムメチラート、カリウムメチラート、t−ブトキシカリウム等のアルカリ金属アルコラート;メチルリチウム、n−ブチルリチウム、s−ブチルリチウム、t−ブチルリチウム等のアルキルリチウム;トリエチルアルミニウム、トリエチルアルミニウムナトリウム、ジイソブチルアルミニウムハイドライド、ジイソブチルアルミニウムクロライド、イソブチルアルミニウムジクロライド、トリメチルジアルミニウムトリクロライド等のアルキルアルミニウム;ナトリウムナフタレン等のアリールアルカリ金属;ブチルマグネシウムブロマイド、フェニルマグネシウムブロマイド等のグリニヤ試薬等の塩基性有機金属化合物;リチウムジイソプロピルアミド、ナトリウムアミド、カリウムアミド、ナトリウムビストリメチルシリルアミド、カリウムビストリメチルシリルアミド等のアルカリ金属アミド;ベンジルトリメチルアンモニウムヒドロキシド、テトラブチルアンモニウムヒドロキシド、トリメチルフェニルアンモニウムヒドロキシド等の4級アンモニウムヒドロキシド等を例示することができる。
(Polymerization catalyst)
As the polymerization catalyst used in the present invention, compounds generally used in the anionic polymerization method of lactams can be used. Specifically, alkali metals such as sodium, potassium and lithium; alkali metal hydroxides such as sodium hydroxide and potassium hydroxide; alkali metal hydrides such as sodium hydride, potassium hydride and sodium borohydride; sodium Alkali metal alcoholates such as methylate, potassium methylate, and t-butoxy potassium; alkyl lithiums such as methyl lithium, n-butyl lithium, s-butyl lithium, and t-butyl lithium; triethylaluminum, triethylaluminum sodium, diisobutylaluminum hydride, Alkylaluminums such as diisobutylaluminum chloride, isobutylaluminum dichloride and trimethyldialuminum trichloride; arylalkali metals such as sodium naphthalene; Basic organometallic compounds such as Grignard reagents such as tilmagnesium bromide and phenylmagnesium bromide; alkali metal amides such as lithium diisopropylamide, sodium amide, potassium amide, sodium bistrimethylsilylamide, potassium bistrimethylsilylamide; benzyltrimethylammonium hydroxide; Examples thereof include quaternary ammonium hydroxides such as tetrabutylammonium hydroxide and trimethylphenylammonium hydroxide.
これらの中でも、ナトリウム、カリウム、リチウム等のアルカリ金属、水酸化カリウム、カリウムメチラート、ナトリウムメチラート等を好ましく例示することができる。水酸化カリウム、カリウムメチラート、ナトリウムメチラートなどを使用するときは、重合に先立ちラクタムとこれらの化合物を反応させ、副生する水やアルコール類を除去後、使用することが好ましい。 Among these, alkali metals such as sodium, potassium and lithium, potassium hydroxide, potassium methylate, sodium methylate and the like can be preferably exemplified. When potassium hydroxide, potassium methylate, sodium methylate, or the like is used, it is preferably used after reacting lactam with these compounds prior to polymerization to remove by-produced water and alcohols.
上記重合触媒とラクタムを反応させて得られるナトリウムピロリドン、カリウムピロリドン、ナトリウムカプロラクタム等のラクタムの金属塩をあらかじめ別途調製し、そのものを重合触媒として使用することもできる。 A metal salt of lactam such as sodium pyrrolidone, potassium pyrrolidone or sodium caprolactam obtained by reacting the polymerization catalyst with lactam may be separately prepared in advance and used as a polymerization catalyst.
本発明での重合触媒の使用量は、特に制限されないが、重合開始剤の官能基1molに対して1.1〜5.0molの範囲が好ましく、1.5〜3.0molの範囲がより好ましい。 The amount of the polymerization catalyst used in the present invention is not particularly limited, but is preferably in the range of 1.1 to 5.0 mol and more preferably in the range of 1.5 to 3.0 mol with respect to 1 mol of the functional group of the polymerization initiator. .
(重合開始剤)
本発明の製造方法では、重合開始剤として、i)炭素数8〜30のモノカルボン酸ハライド、炭素数8〜30のモノカルボン酸無水物、および炭素数8〜30のモノカルボン酸エステルから選ばれる少なくとも1種の重合開始剤と、ii)3つ以上の重合開始点を有する重合開始剤を用いる。
(Polymerization initiator)
In the production method of the present invention, the polymerization initiator is selected from i) a monocarboxylic acid halide having 8 to 30 carbon atoms, a monocarboxylic acid anhydride having 8 to 30 carbon atoms, and a monocarboxylic acid ester having 8 to 30 carbon atoms. And at least one polymerization initiator, and ii) a polymerization initiator having three or more polymerization initiation points.
「炭素数8〜30のモノカルボン酸ハライド」とは、炭素数8〜30のモノカルボン酸化合物のカルボキシル基が、酸ハロゲン化物に変換されている化合物を意味する。
炭素数8〜30のモノカルボン酸化合物として、具体的には、2−エチルヘキサン酸、パルミチン酸、ステアリン酸、オレイン酸、リノール酸、α−リノレン酸、アラキドン酸、イコサペンタエン酸、ドコサヘキサエン酸などを挙げることができる。
“Monocarboxylic acid halide having 8 to 30 carbon atoms” means a compound in which a carboxyl group of a monocarboxylic acid compound having 8 to 30 carbon atoms is converted into an acid halide.
Specific examples of the monocarboxylic acid compound having 8 to 30 carbon atoms include 2-ethylhexanoic acid, palmitic acid, stearic acid, oleic acid, linoleic acid, α-linolenic acid, arachidonic acid, icosapentaenoic acid, docosahexaenoic acid, and the like. Can be mentioned.
炭素数8〜30のモノカルボン酸ハライドとして具体的には、2−エチルヘキサン酸クロライド(炭素数8)、パルミチン酸クロライド(炭素数16)、ステアリン酸クロライド(炭素数18)、オレイン酸クロライド(炭素数18)、リノール酸クロライド(炭素数18)、α−リノレン酸クロライド(炭素数18)、アラキドン酸クロライド(炭素数20)、イコサペンタエン酸クロライド(炭素数20)、ドコサヘキサエン酸クロライド(炭素数22)などを挙げることができる。 Specific examples of the monocarboxylic acid halide having 8 to 30 carbon atoms include 2-ethylhexanoic acid chloride (carbon number 8), palmitic acid chloride (carbon number 16), stearic acid chloride (carbon number 18), oleic acid chloride ( 18 carbon atoms, linoleic acid chloride (18 carbon atoms), α-linolenic acid chloride (18 carbon atoms), arachidonic acid chloride (20 carbon atoms), icosapentaenoic acid chloride (20 carbon atoms), docosahexaenoic acid chloride (22 carbon atoms) ) And the like.
「炭素数8〜30のモノカルボン酸無水物」とは、炭素数8〜30のモノカルボン酸化合物中のカルボキシル基が、他のカルボン酸化合物と脱水縮合した酸無水物または混合酸無水物を意味する。なお、「他のカルボン酸化合物」を構成していた炭素原子は、「炭素数8〜30のモノカルボン酸無水物」における炭素数には含めない。
炭素数8〜30のモノカルボン酸として、具体的には、2−エチルヘキサン酸、パルミチン酸、ステアリン酸、オレイン酸、リノール酸、α−リノレン酸、アラキドン酸、イコサペンタエン酸、ドコサヘキサエン酸などを挙げることができる。
“Monocarboxylic acid anhydride having 8 to 30 carbon atoms” means an acid anhydride or mixed acid anhydride in which a carboxyl group in a monocarboxylic acid compound having 8 to 30 carbon atoms is dehydrated and condensed with another carboxylic acid compound. means. Note that the carbon atoms constituting the “other carboxylic acid compound” are not included in the carbon number in the “monocarboxylic anhydride having 8 to 30 carbon atoms”.
Specific examples of the monocarboxylic acid having 8 to 30 carbon atoms include 2-ethylhexanoic acid, palmitic acid, stearic acid, oleic acid, linoleic acid, α-linolenic acid, arachidonic acid, icosapentaenoic acid, docosahexaenoic acid, and the like. be able to.
他のカルボン酸化合物としては、具体的には、酢酸、プロピオン酸、酪酸、吉草酸、カプロン酸、エナント酸、カプリル酸、ペラルゴン酸、カプリン酸、ラウリン酸、ミリスチン酸、パルミチン酸、マルガリン酸、ステアリン酸、オレイン酸、リノール酸、リノレン酸、アラキドン酸、ドコサヘキサエン酸、エイコサペンタエン酸等の脂肪族モノカルボン酸などを挙げることができる。 As other carboxylic acid compounds, specifically, acetic acid, propionic acid, butyric acid, valeric acid, caproic acid, enanthic acid, caprylic acid, pelargonic acid, capric acid, lauric acid, myristic acid, palmitic acid, margaric acid, Examples thereof include aliphatic monocarboxylic acids such as stearic acid, oleic acid, linoleic acid, linolenic acid, arachidonic acid, docosahexaenoic acid, and eicosapentaenoic acid.
炭素数8〜30のモノカルボン酸無水物として具体的には、2−エチルヘキサン酸無水物(炭素数8)、パルミチン酸無水物(炭素数16)、ステアリン酸無水物(炭素数18)、オレイン酸無水物(炭素数18)、リノール酸無水物(炭素数18)、α−リノレン酸無水物(炭素数18)、アラキドン酸無水物(炭素数20)、イコサペンタエン酸無水物(炭素数20)、ドコサヘキサエン酸無水物(炭素数22)などを挙げることができる。 Specific examples of the monocarboxylic acid anhydride having 8 to 30 carbon atoms include 2-ethylhexanoic acid anhydride (carbon number 8), palmitic acid anhydride (carbon number 16), stearic acid anhydride (carbon number 18), Oleic acid anhydride (18 carbon atoms), linoleic acid anhydride (18 carbon atoms), α-linolenic acid anhydride (18 carbon atoms), arachidonic acid anhydride (20 carbon atoms), icosapentaenoic acid anhydride (20 carbon atoms) ), Docosahexaenoic anhydride (carbon number 22), and the like.
「炭素数8〜30のモノカルボン酸エステル」とは、炭素数8〜30のモノカルボン酸化合物中のカルボキシル基が、アルコールとエステル結合をした化合物を意味する。なお、「アルコール」を構成していた炭素原子は、「炭素数8〜30のモノカルボン酸エステル」における炭素数には含めない。 The “monocarboxylic acid ester having 8 to 30 carbon atoms” means a compound in which the carboxyl group in the monocarboxylic acid compound having 8 to 30 carbon atoms forms an ester bond with an alcohol. The carbon atoms constituting “alcohol” are not included in the carbon number in “monocarboxylic acid ester having 8 to 30 carbon atoms”.
炭素数8〜30のモノカルボン酸化合物として、具体的には、2−エチルヘキサン酸、パルミチン酸、ステアリン酸、オレイン酸、リノール酸、α−リノレン酸、アラキドン酸、イコサペンタエン酸、ドコサヘキサエン酸などを挙げることができる。
アルコールとしては、具体的には、メタノール、エタノール、1−プロパノール、2−プロパノールなどが挙げられる。
Specific examples of the monocarboxylic acid compound having 8 to 30 carbon atoms include 2-ethylhexanoic acid, palmitic acid, stearic acid, oleic acid, linoleic acid, α-linolenic acid, arachidonic acid, icosapentaenoic acid, docosahexaenoic acid, and the like. Can be mentioned.
Specific examples of the alcohol include methanol, ethanol, 1-propanol, and 2-propanol.
炭素数8〜30のモノカルボン酸エステルとして具体的には、2−エチルヘキサン酸メチルエステル(炭素数8)、パルミチン酸メチルエステル(炭素数16)、ステアリン酸メチルエステル(炭素数18)、オレイン酸メチルエステル(炭素数18)、リノール酸メチルエステル(炭素数18)、α−リノレン酸メチルエステル(炭素数18)、アラキドン酸メチルエステル(炭素数20)、イコサペンタエン酸メチルエステル(炭素数20)、ドコサヘキサエン酸メチルエステル(炭素数22)などを挙げることができる。 Specific examples of monocarboxylic acid esters having 8 to 30 carbon atoms include 2-ethylhexanoic acid methyl ester (carbon number 8), palmitic acid methyl ester (carbon number 16), stearic acid methyl ester (carbon number 18), olein Acid methyl ester (carbon number 18), linoleic acid methyl ester (carbon number 18), α-linolenic acid methyl ester (carbon number 18), arachidonic acid methyl ester (carbon number 20), icosapentaenoic acid methyl ester (carbon number 20) And docosahexaenoic acid methyl ester (carbon number 22).
3つ以上の重合開始点を有する重合開始剤とは、開環重合反応を活性化させる反応点が分子内に3つ以上有する重合開始剤である。具体的には、トリカルボン酸ハライド、トリカルボン酸無水物、トリカルボン酸エステルおよびそれらの混合物などを例示することができる。より具体的には、1,3,5−ベンゼントリカルボン酸クロライド、1,2,4−ベンゼントリカルボン酸クロライド、1,3,5−シクロヘキサントリカルボン酸クロライド、1,2,3−プロパントリカルボン酸クロライド等を例示することができる。 The polymerization initiator having three or more polymerization initiation points is a polymerization initiator having three or more reaction points in the molecule for activating the ring-opening polymerization reaction. Specific examples include tricarboxylic acid halides, tricarboxylic acid anhydrides, tricarboxylic acid esters, and mixtures thereof. More specifically, 1,3,5-benzenetricarboxylic acid chloride, 1,2,4-benzenetricarboxylic acid chloride, 1,3,5-cyclohexanetricarboxylic acid chloride, 1,2,3-propanetricarboxylic acid chloride, etc. Can be illustrated.
i)炭素数8〜30のモノカルボン酸ハライド、炭素数8〜30のモノカルボン酸無水物、および炭素数8〜30のモノカルボン酸エステルから選ばれる少なくとも1種の重合開始剤と、ii)3つ以上の重合開始点を有する重合開始剤とのモル比率は、95:5〜70:30の範囲が好ましく、90:10〜80:20の範囲がさらに好ましい。
用いる全重合開始剤の量は、ラクタム1molに対して0.05〜5.0mol%の範囲が好ましく、0.3〜3.0mol%の範囲がより好ましい。
i) at least one polymerization initiator selected from a monocarboxylic acid halide having 8 to 30 carbon atoms, a monocarboxylic acid anhydride having 8 to 30 carbon atoms, and a monocarboxylic acid ester having 8 to 30 carbon atoms; ii) The molar ratio with the polymerization initiator having three or more polymerization initiation points is preferably in the range of 95: 5 to 70:30, and more preferably in the range of 90:10 to 80:20.
The amount of the total polymerization initiator to be used is preferably in the range of 0.05 to 5.0 mol%, more preferably in the range of 0.3 to 3.0 mol% with respect to 1 mol of lactam.
(反応溶媒)
反応溶媒は、ラクタム、及び生成するポリアミドの溶解度の低い溶媒であれば、特に制限されない。具体的には、ヘキサン、シクロヘキサン、デカン、石油エーテル、流動パラフィンなどの脂肪族炭化水素系溶媒を好ましく例示でき、必要に応じてベンゼン、トルエン、キシレン等の芳香族炭化水素系溶媒やプロピルエーテル、ブチルエーテル、シクロペンチルメチルエーテル等の脂肪族エーテル系溶媒を併用することができる。
(Reaction solvent)
A reaction solvent will not be restrict | limited especially if it is a solvent with low solubility of lactam and the polyamide to produce | generate. Specifically, aliphatic hydrocarbon solvents such as hexane, cyclohexane, decane, petroleum ether, and liquid paraffin can be preferably exemplified. If necessary, aromatic hydrocarbon solvents such as benzene, toluene, xylene and propyl ether, Aliphatic ether solvents such as butyl ether and cyclopentyl methyl ether can be used in combination.
(重合方法等)
本発明のポリアミドは、所定量の塩基性重合触媒を含有するラクタムに重合開始剤を添加し、100℃以下、好ましくは25〜60℃の温度でラクタムを開環重合させることにより得ることができる。
(Polymerization method, etc.)
The polyamide of the present invention can be obtained by adding a polymerization initiator to a lactam containing a predetermined amount of a basic polymerization catalyst and subjecting the lactam to ring-opening polymerization at a temperature of 100 ° C. or lower, preferably 25 to 60 ° C. .
重合操作としては、バッチ法、連続法、これらの中間的方法などを適用することができる。 As the polymerization operation, a batch method, a continuous method, an intermediate method thereof, or the like can be applied.
本発明の方法で製造するポリアミドの重量平均分子量(Mw)は、特に限定されないが、5,000〜1,000,000、50,000〜1,000,000、50,000〜500,000などを選択することができる。また、本発明の方法で製造するポリアミドの分子量分布としては、重量平均分子量/数平均分子量(Mw/Mn)の比で、1.0〜5.0、1.5〜5.0などを選択することができる。
なお、重量平均分子量および数平均分子量はヘキサフロロイソプロパノールを溶媒とするゲルパーミエーションクロマトグラフィ(GPC)にて測定したデータを標準ポリメチルメタクリレートの分子量に基づいて換算した値である。
The weight average molecular weight (Mw) of the polyamide produced by the method of the present invention is not particularly limited, but is 5,000 to 1,000,000, 50,000 to 1,000,000, 50,000 to 500,000, etc. Can be selected. In addition, as the molecular weight distribution of the polyamide produced by the method of the present invention, the ratio of weight average molecular weight / number average molecular weight (Mw / Mn) is selected from 1.0 to 5.0, 1.5 to 5.0, etc. can do.
The weight average molecular weight and number average molecular weight are values obtained by converting data measured by gel permeation chromatography (GPC) using hexafluoroisopropanol as a solvent based on the molecular weight of standard polymethyl methacrylate.
以下、実施例を用いて本発明をさらに詳細に説明するが、本発明は実施例の範囲に限定されるものではない。
[実施例1]
PFA製500mL丸底フラスコに2−ピロリドン(43.34g;509.3mmol)、2−ピロリドンのナトリウム塩を24.3%含有する2−ピロリドン溶液(7.87g;2−ピロリドンのナトリウム塩として17.9mmol)及び脱水ヘキサン(50.29g)を加え、撹拌している中に、1,3,5−ベンゼントリカルボニルトリクロライド(0.27g;1.0mmol)及びパルミトイルクロライド(1.64g;6.0mmol)を加え、50℃で8時間撹拌し、室温で一晩放置した。
反応液をろ過し、メタノール及びテトラヒドロフラン(THF)で洗浄した後、窒素気流下で風乾し、60℃で減圧乾燥させて、47.43gの粉体を得た。
EXAMPLES Hereinafter, although this invention is demonstrated further in detail using an Example, this invention is not limited to the range of an Example.
[Example 1]
2-pyrrolidone (43.34 g; 509.3 mmol), 2-pyrrolidone solution containing 24.3% sodium salt of 2-pyrrolidone (7.87 g; 17 sodium salt of 2-pyrrolidone) in a PFA 500 mL round bottom flask 0.9 mmol) and dehydrated hexane (50.29 g) and while stirring, 1,3,5-benzenetricarbonyl trichloride (0.27 g; 1.0 mmol) and palmitoyl chloride (1.64 g; 6 0.0 mmol), stirred at 50 ° C. for 8 hours, and left at room temperature overnight.
The reaction solution was filtered, washed with methanol and tetrahydrofuran (THF), air-dried under a nitrogen stream, and dried under reduced pressure at 60 ° C. to obtain 47.43 g of powder.
得られた固体を、ゲルパーミッションクロマトグラフィー(GPC)(溶媒:ヘキサフロロイソプロパノール、標準:ポリメチルメタクリレート)で測定したところ、重量平均分子量(Mw)が105,000であり、Mw/Mn(数平均分子量)の比(分子量分布)が3.20であった。図1にGPCの測定結果を示す。 When the obtained solid was measured by gel permeation chromatography (GPC) (solvent: hexafluoroisopropanol, standard: polymethyl methacrylate), the weight average molecular weight (Mw) was 105,000, and Mw / Mn (number average) The ratio (molecular weight distribution) of molecular weight was 3.20. FIG. 1 shows the GPC measurement results.
[実施例2]
パルミトイルクロライドの代わりに2−エチルヘキサノイルクロリド(0.98g;6.0mmol)を使用したこと以外は、実施例1と同様に重合を行った。粉体のポリアミド4が得られた。得られたポリアミド4の分子量(Mw)は104,000であり、Mw/Mn(分子量分布)は3.58であった。
[Example 2]
Polymerization was conducted in the same manner as in Example 1 except that 2-ethylhexanoyl chloride (0.98 g; 6.0 mmol) was used instead of palmitoyl chloride. A powdered polyamide 4 was obtained. The obtained polyamide 4 had a molecular weight (Mw) of 104,000 and an Mw / Mn (molecular weight distribution) of 3.58.
[比較例1]
パルミトイルクロライドの代わりにヘキサノイルクロライド(0.81g;6.0mmol)を使用したこと以外は、実施例1と同様に重合を行った。ポリアミド4の塊が生成し、粉体を得ることはできなかった。
[Comparative Example 1]
Polymerization was conducted in the same manner as in Example 1 except that hexanoyl chloride (0.81 g; 6.0 mmol) was used instead of palmitoyl chloride. A mass of polyamide 4 was produced, and powder could not be obtained.
[比較例2]
パルミトイルクロライドの使用量を1.10g;4.0mmolとし、1,3,5−ベンゼントリカルボニルトリクロライドの使用量を0.80g;3.0mmolとしたこと以外は実施例1と同様に重合を行った。ポリマーの塊が生成し、粉体を得ることはできなかった。
[Comparative Example 2]
Polymerization was conducted in the same manner as in Example 1 except that the amount of palmitoyl chloride used was 1.10 g; 4.0 mmol, and the amount of 1,3,5-benzenetricarbonyltrichloride used was 0.80 g; 3.0 mmol. went. A lump of polymer was formed, and powder could not be obtained.
[比較例3]
1,3,5−ベンゼントリカルボニルトリクロライドを使用しなかったこと以外は、実施例1と同様に重合を行った。粉体のポリマーが得られたが、分子量(Mw)は61,000であり、Mw/Mn(分子量分布)は3.84であった。
[Comparative Example 3]
Polymerization was carried out in the same manner as in Example 1 except that 1,3,5-benzenetricarbonyltrichloride was not used. A powder polymer was obtained, but the molecular weight (Mw) was 61,000 and the Mw / Mn (molecular weight distribution) was 3.84.
Claims (2)
The method for producing a polyamide according to claim 1, wherein the lactam is 2-pyrrolidone.
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