KR20200032199A - 폴리아미드4 입자의 제조 방법 - Google Patents
폴리아미드4 입자의 제조 방법 Download PDFInfo
- Publication number
- KR20200032199A KR20200032199A KR1020207005910A KR20207005910A KR20200032199A KR 20200032199 A KR20200032199 A KR 20200032199A KR 1020207005910 A KR1020207005910 A KR 1020207005910A KR 20207005910 A KR20207005910 A KR 20207005910A KR 20200032199 A KR20200032199 A KR 20200032199A
- Authority
- KR
- South Korea
- Prior art keywords
- pyrrolidone
- particles
- polyamide
- compatible
- polymerization
- 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
- 239000002245 particle Substances 0.000 title claims abstract description 69
- 229920001007 Nylon 4 Polymers 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000000010 aprotic solvent Substances 0.000 claims abstract description 16
- TZIBIGANXIPLNB-UHFFFAOYSA-N lithium;pyrrolidin-2-one Chemical compound [Li].O=C1CCCN1 TZIBIGANXIPLNB-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003505 polymerization initiator Substances 0.000 claims abstract description 16
- 238000009826 distribution Methods 0.000 claims abstract description 13
- QAZCPUUJMFBNJO-UHFFFAOYSA-N pyrrolidin-2-one;sodium Chemical compound [Na].O=C1CCCN1 QAZCPUUJMFBNJO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 13
- 239000002904 solvent Substances 0.000 claims description 7
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 3
- 239000003586 protic polar solvent Substances 0.000 abstract description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 24
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 24
- 229920000642 polymer Polymers 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000006116 polymerization reaction Methods 0.000 description 16
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 12
- QISSLHPKTCLLDL-UHFFFAOYSA-N N-Acetylcaprolactam Chemical compound CC(=O)N1CCCCCC1=O QISSLHPKTCLLDL-UHFFFAOYSA-N 0.000 description 9
- -1 fatty acid alkali salt Chemical class 0.000 description 8
- 229940057995 liquid paraffin Drugs 0.000 description 8
- 239000012299 nitrogen atmosphere Substances 0.000 description 8
- 238000010791 quenching Methods 0.000 description 8
- 230000000171 quenching effect Effects 0.000 description 8
- 238000000967 suction filtration Methods 0.000 description 8
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 description 7
- MZRVEZGGRBJDDB-UHFFFAOYSA-N n-Butyllithium Substances [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 7
- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000002685 polymerization catalyst Substances 0.000 description 3
- 230000000379 polymerizing effect Effects 0.000 description 3
- 239000004094 surface-active agent 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
- VKPSKYDESGTTFR-UHFFFAOYSA-N 2,2,4,6,6-pentamethylheptane Chemical compound CC(C)(C)CC(C)CC(C)(C)C VKPSKYDESGTTFR-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 2
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000010557 suspension polymerization reaction Methods 0.000 description 2
- IIYFAKIEWZDVMP-UHFFFAOYSA-N tridecane Chemical compound CCCCCCCCCCCCC IIYFAKIEWZDVMP-UHFFFAOYSA-N 0.000 description 2
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 2
- YLHUPYSUKYAIBW-UHFFFAOYSA-N 1-acetylpyrrolidin-2-one Chemical compound CC(=O)N1CCCC1=O YLHUPYSUKYAIBW-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 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 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
- 239000012346 acetyl chloride Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- MNFORVFSTILPAW-UHFFFAOYSA-N azetidin-2-one Chemical compound O=C1CCN1 MNFORVFSTILPAW-UHFFFAOYSA-N 0.000 description 1
- 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 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 150000003951 lactams Chemical class 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- 229910000103 lithium hydride Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- SKTCDJAMAYNROS-UHFFFAOYSA-N methoxycyclopentane Chemical compound COC1CCCC1 SKTCDJAMAYNROS-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- AFFLGGQVNFXPEV-UHFFFAOYSA-N n-decene Natural products CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- WTBAHSZERDXKKZ-UHFFFAOYSA-N octadecanoyl chloride Chemical compound CCCCCCCCCCCCCCCCCC(Cl)=O WTBAHSZERDXKKZ-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- UYCAUPASBSROMS-AWQJXPNKSA-M sodium;2,2,2-trifluoroacetate Chemical compound [Na+].[O-][13C](=O)[13C](F)(F)F UYCAUPASBSROMS-AWQJXPNKSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 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 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/24—Pyrrolidones or piperidones
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
Abstract
Description
Claims (5)
- 2-피롤리돈과 상용하지 않는 비프로톤성 용매 중, 중합 개시제 및 2-피롤리돈리튬염의 존재하에 2-피롤리돈을 중합하는 폴리아미드4 입자의 제조 방법.
- 2-피롤리돈과 상용하지 않는 비프로톤성 용매 중, 중합 개시제, 2-피롤리돈리튬염 및 2-피롤리돈나트륨염의 존재하에 2-피롤리돈을 중합하는 폴리아미드4 입자의 제조 방법.
- 제 1 항 또는 제 2 항에 있어서,
2-피롤리돈과 상용하지 않는 비프로톤성 용매가 지방족 탄화수소계 용매인 폴리아미드4 입자의 제조 방법. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
폴리아미드4 입자의 체적 평균 입경이 1㎛∼100㎛인 폴리아미드4 입자의 제조 방법. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
폴리아미드4 입자의 분자량 분포(Mw/Mn)가 1.0∼5.0인 폴리아미드4 입자의 제조 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2017-193534 | 2017-10-03 | ||
| JP2017193534 | 2017-10-03 | ||
| PCT/JP2018/036109 WO2019069799A1 (ja) | 2017-10-03 | 2018-09-27 | ポリアミド4粒子の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200032199A true KR20200032199A (ko) | 2020-03-25 |
| KR102292169B1 KR102292169B1 (ko) | 2021-08-20 |
Family
ID=65995044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020207005910A Active KR102292169B1 (ko) | 2017-10-03 | 2018-09-27 | 폴리아미드4 입자의 제조 방법 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20200262976A1 (ko) |
| EP (1) | EP3693405B1 (ko) |
| JP (1) | JP6851496B2 (ko) |
| KR (1) | KR102292169B1 (ko) |
| CN (1) | CN111164130A (ko) |
| TW (1) | TWI705985B (ko) |
| WO (1) | WO2019069799A1 (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021095749A1 (ja) * | 2019-11-11 | 2021-05-20 | 株式会社クレハ | ポリアミド粒子およびその製造方法 |
| KR20230112617A (ko) | 2020-11-30 | 2023-07-27 | 도레이 카부시키가이샤 | 폴리아미드 미립자, 및 그 제조 방법 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS376746B1 (ko) | 1960-04-05 | 1962-07-02 | ||
| JPH0472329A (ja) * | 1990-07-12 | 1992-03-06 | Shinto Paint Co Ltd | ポリアミド樹脂粉末の製造方法 |
| JPH0539355A (ja) | 1991-08-06 | 1993-02-19 | Ube Ind Ltd | 粉末状2−ピロリドン重合体の製法 |
| JPH05295108A (ja) * | 1992-04-14 | 1993-11-09 | Ube Ind Ltd | 高純度2−ピロリドン重合体の製造方法 |
| JPH07316288A (ja) * | 1994-05-30 | 1995-12-05 | Unitika Ltd | ε−カプロラクタムの重合法 |
| KR20130113116A (ko) * | 2012-04-05 | 2013-10-15 | 성균관대학교산학협력단 | 폴리 아미드 수지의 제조 방법 |
| JP2016186068A (ja) | 2015-03-19 | 2016-10-27 | 株式会社リコー | ポリアミド粒子及びその製造方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL121432C (ko) * | 1959-04-20 | |||
| US4017465A (en) * | 1975-01-23 | 1977-04-12 | Chevron Research Company | Process for polymerization of 2-pyrrolidone |
| US4013626A (en) * | 1975-03-17 | 1977-03-22 | Chevron Research Company | Process for preparing polypyrrolidone wherein polypyrrolidone is washed with 2-pyrrolidone |
| JP3257719B2 (ja) * | 1993-05-07 | 2002-02-18 | 株式会社クラレ | ポリアミドの合成法 |
| JP5283058B2 (ja) * | 2007-12-28 | 2013-09-04 | 独立行政法人産業技術総合研究所 | 分岐構造を導入したポリアミド4共重合体及びその製造方法 |
| US10138344B2 (en) * | 2015-03-19 | 2018-11-27 | Ricoh Company, Ltd. | Particulate polyamide, and method for preparing the particulate polyamide |
| JP6993093B2 (ja) | 2016-03-31 | 2022-01-13 | 株式会社松風 | Al2O3未含有のケイ酸リチウムガラス組成物 |
-
2018
- 2018-09-27 JP JP2019546670A patent/JP6851496B2/ja active Active
- 2018-09-27 EP EP18864184.9A patent/EP3693405B1/en active Active
- 2018-09-27 KR KR1020207005910A patent/KR102292169B1/ko active Active
- 2018-09-27 CN CN201880063591.3A patent/CN111164130A/zh active Pending
- 2018-09-27 WO PCT/JP2018/036109 patent/WO2019069799A1/ja not_active Ceased
- 2018-09-27 US US16/651,075 patent/US20200262976A1/en not_active Abandoned
- 2018-10-01 TW TW107134687A patent/TWI705985B/zh not_active IP Right Cessation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS376746B1 (ko) | 1960-04-05 | 1962-07-02 | ||
| JPH0472329A (ja) * | 1990-07-12 | 1992-03-06 | Shinto Paint Co Ltd | ポリアミド樹脂粉末の製造方法 |
| JPH0539355A (ja) | 1991-08-06 | 1993-02-19 | Ube Ind Ltd | 粉末状2−ピロリドン重合体の製法 |
| JPH05295108A (ja) * | 1992-04-14 | 1993-11-09 | Ube Ind Ltd | 高純度2−ピロリドン重合体の製造方法 |
| JPH07316288A (ja) * | 1994-05-30 | 1995-12-05 | Unitika Ltd | ε−カプロラクタムの重合法 |
| KR20130113116A (ko) * | 2012-04-05 | 2013-10-15 | 성균관대학교산학협력단 | 폴리 아미드 수지의 제조 방법 |
| JP2016186068A (ja) | 2015-03-19 | 2016-10-27 | 株式会社リコー | ポリアミド粒子及びその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3693405B1 (en) | 2024-11-06 |
| WO2019069799A1 (ja) | 2019-04-11 |
| TW201922843A (zh) | 2019-06-16 |
| KR102292169B1 (ko) | 2021-08-20 |
| US20200262976A1 (en) | 2020-08-20 |
| TWI705985B (zh) | 2020-10-01 |
| EP3693405A1 (en) | 2020-08-12 |
| JPWO2019069799A1 (ja) | 2020-10-22 |
| CN111164130A (zh) | 2020-05-15 |
| JP6851496B2 (ja) | 2021-03-31 |
| EP3693405A4 (en) | 2021-06-09 |
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