JP6105813B2 - カルボキシメチルセルロースリチウムを製造するための方法 - Google Patents
カルボキシメチルセルロースリチウムを製造するための方法 Download PDFInfo
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- JP6105813B2 JP6105813B2 JP2016515144A JP2016515144A JP6105813B2 JP 6105813 B2 JP6105813 B2 JP 6105813B2 JP 2016515144 A JP2016515144 A JP 2016515144A JP 2016515144 A JP2016515144 A JP 2016515144A JP 6105813 B2 JP6105813 B2 JP 6105813B2
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- Prior art keywords
- acid
- cmc
- carboxymethylcellulose
- further characterized
- lithium
- Prior art date
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- 229920002134 Carboxymethyl cellulose Polymers 0.000 title claims description 44
- 239000001768 carboxy methyl cellulose Substances 0.000 title claims description 24
- 235000010948 carboxy methyl cellulose Nutrition 0.000 title claims description 22
- 239000008112 carboxymethyl-cellulose Substances 0.000 title claims description 21
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims description 8
- 229910052744 lithium Inorganic materials 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title description 7
- 239000002253 acid Substances 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 35
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 30
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 22
- 229940105329 carboxymethylcellulose Drugs 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 8
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 7
- 239000007864 aqueous solution Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 6
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 6
- 238000006467 substitution reaction Methods 0.000 claims description 6
- 229920003123 carboxymethyl cellulose sodium Polymers 0.000 claims description 4
- 229940063834 carboxymethylcellulose sodium Drugs 0.000 claims description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 235000019253 formic acid Nutrition 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 claims description 3
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 3
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 3
- 230000020477 pH reduction Effects 0.000 claims description 2
- 229920006184 cellulose methylcellulose Polymers 0.000 description 22
- 238000012710 chemistry, manufacturing and control Methods 0.000 description 22
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 21
- 239000002904 solvent Substances 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
- 150000007513 acids Chemical class 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 229960000583 acetic acid Drugs 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 239000006184 cosolvent Substances 0.000 description 5
- 238000004255 ion exchange chromatography Methods 0.000 description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 4
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 4
- 229960004592 isopropanol Drugs 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000003125 aqueous solvent Substances 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000006266 etherification reaction Methods 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- HNSDLXPSAYFUHK-UHFFFAOYSA-N 1,4-bis(2-ethylhexyl) sulfosuccinate Chemical compound CCCCC(CC)COC(=O)CC(S(O)(=O)=O)C(=O)OCC(CC)CCCC HNSDLXPSAYFUHK-UHFFFAOYSA-N 0.000 description 1
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-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
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- 229920002274 Nalgene Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- AQLLBJAXUCIJSR-UHFFFAOYSA-N OC(=O)C[Na] Chemical group OC(=O)C[Na] AQLLBJAXUCIJSR-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 230000003113 alkalizing effect Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 150000007942 carboxylates Chemical group 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000011153 ceramic matrix composite Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- IILQHMMTOSAJAR-UHFFFAOYSA-L disodium;2-(carboxylatomethoxy)acetate Chemical compound [Na+].[Na+].[O-]C(=O)COCC([O-])=O IILQHMMTOSAJAR-UHFFFAOYSA-L 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 229940071870 hydroiodic acid Drugs 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229940023144 sodium glycolate Drugs 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- JEJAMASKDTUEBZ-UHFFFAOYSA-N tris(1,1,3-tribromo-2,2-dimethylpropyl) phosphate Chemical compound BrCC(C)(C)C(Br)(Br)OP(=O)(OC(Br)(Br)C(C)(C)CBr)OC(Br)(Br)C(C)(C)CBr JEJAMASKDTUEBZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
- C08B11/12—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
カルボキシメチルセルロースリチウム(Li−CMC)は、リチウムイオン(Liイオン)電池中で使用するための、可能性のある結合剤材料である。従来の結合剤系は、ポリマー結合剤としてフッ化ポリビニリデン(PVDF)を、及びこの結合剤のための溶媒としてN−メチル−2−ピロリドン(NMP)を典型的に使用してきた。フッ化結合剤及び危険溶媒は、安全な取扱い及び廃棄が困難であることが判明している。Li−CMCは、水性溶媒を使用して送達され得る代替結合剤である。結果として、Li−CMC結合剤の使用は、Liイオン電池の結合剤系に伴う危険性、ならびに結合剤及び溶媒の両方に伴う廃棄懸念を低減し得る。しかし、Li−CMCの製造は、困難であり得る。
本開示は以下も包含する。
[1]
以下のステップ、(a)カルボキシメチルセルロースナトリウムを弱酸で処理して、カルボキシメチルセルロースの酸形態を形成することと、(b)カルボキシメチルセルロースの前記酸形態を塩化リチウムで処理して、カルボキシメチルセルロースリチウムを形成することと、を含む、方法。
[2]
前記弱酸が、酢酸、ギ酸、フッ化水素酸、亜硝酸、シアン化水素酸、及び硫酸水素塩イオンからなる群から選択されることを更に特徴とする、上記態様1に記載の前記方法。
[3]
前記弱酸が、酢酸であることを更に特徴とする、上記態様1に記載の前記方法。
[4]
ステップ(a)において、カルボキシメチルセルロースの形成中、強酸が不在であることを更に特徴とする、上記態様1〜3のいずれかに記載に前記方法。
[5]
ステップ(a)及びステップ(b)の前記処理が、水溶液中で行われることを更に特徴とする、上記態様1〜4のいずれかに記載に前記方法。
[6]
前記水溶液が、アルコールを含むことを更に特徴とする、上記態様5に記載の前記方法。
[7]
前記カルボキシメチルセルロースナトリウムが、0.4〜2.0の範囲の置換度を有することを更に特徴とする、上記態様1〜6のいずれかに記載の前記方法。
Claims (7)
- 以下のステップ、(a)カルボキシメチルセルロースナトリウムを弱酸で処理して、カルボキシメチルセルロースの酸形態を形成することと、(b)カルボキシメチルセルロースの前記酸形態を塩化リチウムで処理して、カルボキシメチルセルロースリチウムを形成することと、を含み、
前記カルボキシメチルセルロースの酸形態が、ステップ(a)の酸性化の後、かつ、ステップ(b)の塩化リチウムによる処理の前に濾過により単離される、方法。 - 前記弱酸が、酢酸、ギ酸、フッ化水素酸、亜硝酸、シアン化水素酸、及び硫酸水素塩イオンからなる群から選択されることを更に特徴とする、請求項1に記載の前記方法。
- 前記弱酸が、酢酸であることを更に特徴とする、請求項1に記載の前記方法。
- ステップ(a)において、カルボキシメチルセルロースの形成中、強酸が不在であることを更に特徴とする、請求項1〜3のいずれかに記載の前記方法。
- ステップ(a)及びステップ(b)の前記処理が、水溶液中で行われることを更に特徴とする、請求項1〜4のいずれかに記載の前記方法。
- 前記水溶液が、アルコールを含むことを更に特徴とする、請求項5に記載の前記方法。
- 前記カルボキシメチルセルロースナトリウムが、0.4〜2.0の範囲の置換度を有することを更に特徴とする、請求項1〜6のいずれかに記載の前記方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361830659P | 2013-06-04 | 2013-06-04 | |
US61/830,659 | 2013-06-04 | ||
PCT/US2014/039640 WO2014197242A1 (en) | 2013-06-04 | 2014-05-28 | Process for manufacturing lithium carboxymethyl cellulose |
Publications (2)
Publication Number | Publication Date |
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JP2016519205A JP2016519205A (ja) | 2016-06-30 |
JP6105813B2 true JP6105813B2 (ja) | 2017-03-29 |
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JP2016515144A Expired - Fee Related JP6105813B2 (ja) | 2013-06-04 | 2014-05-28 | カルボキシメチルセルロースリチウムを製造するための方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US9580517B2 (ja) |
EP (1) | EP2984109B1 (ja) |
JP (1) | JP6105813B2 (ja) |
KR (1) | KR102235225B1 (ja) |
CN (1) | CN105246919B (ja) |
BR (1) | BR112015028325B1 (ja) |
CA (1) | CA2913177C (ja) |
WO (1) | WO2014197242A1 (ja) |
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CN106336461B (zh) * | 2016-08-22 | 2018-09-11 | 四川北方硝化棉股份有限公司 | 一种羧甲基纤维素锂的制备方法 |
CN109535264A (zh) * | 2018-11-29 | 2019-03-29 | 瑞红锂电池材料(苏州)有限公司 | 一种CMCLi的制备方法和应用 |
CN112072111B (zh) * | 2020-09-16 | 2022-09-09 | 远景动力技术(江苏)有限公司 | 电极增稠剂及其制备方法 |
CN112072112A (zh) * | 2020-09-16 | 2020-12-11 | 远景动力技术(江苏)有限公司 | 电极增稠剂及其制备方法 |
CN112321730A (zh) * | 2020-11-10 | 2021-02-05 | 重庆纤磊新材料科技有限公司 | 一种高粘度羧甲基纤维素铵的制备方法 |
CN112724266A (zh) * | 2020-12-28 | 2021-04-30 | 常熟威怡科技有限公司 | 一种锂电池用羧甲基纤维素锂的制备方法 |
CN113265008B (zh) * | 2021-07-02 | 2022-03-01 | 重庆力宏精细化工有限公司 | 一种高黏度羧甲基纤维素锂及其制备方法和应用 |
CN113912742A (zh) * | 2021-09-07 | 2022-01-11 | 重庆理工大学 | 一种超高取代度和超高粘度羧甲基纤维素锂的合成方法 |
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JP2000082472A (ja) * | 1998-09-03 | 2000-03-21 | Dai Ichi Kogyo Seiyaku Co Ltd | 非水電池用電極 |
JP4149792B2 (ja) * | 2002-12-12 | 2008-09-17 | 第一工業製薬株式会社 | カルボキシメチルセルロース塩の製造法 |
KR101161813B1 (ko) * | 2003-11-04 | 2012-07-05 | 씨아이피엘에이 엘티디. | 선택적인 세로토닌 재흡수 억제제의 다형체들의 제조 방법 |
KR20060086069A (ko) * | 2005-01-26 | 2006-07-31 | 주식회사 코오롱 | 셀룰로오스 에테르 유도체의 제조방법 |
JP2007254588A (ja) * | 2006-03-23 | 2007-10-04 | Dai Ichi Kogyo Seiyaku Co Ltd | 部分酸型カルボキシメチルセルロースの製造方法 |
JP2008019344A (ja) | 2006-07-13 | 2008-01-31 | Dai Ichi Kogyo Seiyaku Co Ltd | 部分酸型カルボキシメチルセルロースの製造方法 |
DE102007036653A1 (de) | 2007-07-25 | 2009-02-05 | Varta Microbattery Gmbh | Elektroden und Lithium-Ionen-Zellen mit neuartigem Elektrodenbinder |
JP5405786B2 (ja) | 2008-09-19 | 2014-02-05 | 株式会社ファインクレイ | 酸型カルボキシメチルセルロースの製造方法 |
CN102206286A (zh) * | 2011-05-16 | 2011-10-05 | 北京理工大学 | 一种锂电池用羧甲基纤维素锂的制备方法 |
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2014
- 2014-05-28 KR KR1020157036366A patent/KR102235225B1/ko active IP Right Grant
- 2014-05-28 CA CA2913177A patent/CA2913177C/en active Active
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JP2016519205A (ja) | 2016-06-30 |
US20160102153A1 (en) | 2016-04-14 |
BR112015028325A2 (pt) | 2017-07-25 |
CN105246919A (zh) | 2016-01-13 |
KR102235225B1 (ko) | 2021-06-03 |
CN105246919B (zh) | 2018-02-02 |
BR112015028325B1 (pt) | 2021-01-05 |
US9580517B2 (en) | 2017-02-28 |
KR20160030483A (ko) | 2016-03-18 |
CA2913177C (en) | 2021-01-12 |
EP2984109B1 (en) | 2019-09-25 |
CA2913177A1 (en) | 2014-11-12 |
EP2984109A1 (en) | 2016-02-17 |
WO2014197242A1 (en) | 2014-12-11 |
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