JP4634192B2 - 多孔質膜の製造方法 - Google Patents
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
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- 239000000654 additive Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
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- 238000004132 cross linking Methods 0.000 description 1
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- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
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- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
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- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- UJMWVICAENGCRF-UHFFFAOYSA-N oxygen difluoride Chemical compound FOF UJMWVICAENGCRF-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Electric Double-Layer Capacitors Or The Like (AREA)
- Cell Separators (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Description
1/10000mm表示可能なシックネスゲージにより測定し、25点の平均値を用いた。
測定対象の多孔質膜を5cmの正方形に切り抜き、その体積と重量を求め、得られる結果から次式を用いて計算する。
[実施例1]
超高分子量ポリエチレン(重量平均分子量:106、融点:約140℃)12.5重量部と、溶媒である流動パラフィン75重量部、および熱可塑性エラストマー(住友化学製TPE821)2.5重量部、酸化防止剤(チバ・スペシャリティ・ケミカルズ社製、イルガノックス1010)0.47重量部をスラリー状に均一混合し、これを二軸押し出し機(シリンダー径44mm、L/D=49)に20kg/hrの処理量で供給し、160℃の温度に加熱し、溶解混練りした。次いで、二軸押し出し機先端に取り付けられたフィッシュテールダイを用いてこの混練物をシート状に押出した直後、−15℃に冷却されたサイジングダイスを通し急冷固化させた。次いで、このシート状成形物(厚み:6.5mm)を、図1に示すような加熱加圧ロール式ダブルベルトプレス機(噛み込み角度0.5°)で約127℃の温度で加圧し、1.15mmまで圧延した後、冷却加圧ロール式ダブルベルトプレス機(噛み込み角度0°)を用い、30℃で冷却加圧を行った。更に、縦横4.5×5倍、125℃で同時二軸延伸した。
超高分子量ポリエチレン(重量平均分子量:106、融点:約140℃)12.5重量部と、溶媒である流動パラフィン75重量部、および熱可塑性エラストマー(住友化学製TPE821)2.5重量部、酸化防止剤(チバ・スペシャリティ・ケミカルズ社製、イルガノックス1010)0.47重量部をスラリー状に均一混合し、これを二軸押し出し機(シリンダー径44mm、L/D=49)に20kg/hrの処理量で供給し、160℃の温度に加熱し、溶解混練りした。次いで、二軸押し出し機先端に取り付けられたフィッシュテールダイを用いてこの混練物をシート状に押出した直後、−15℃に冷却されたサイジングダイスを通し急冷固化させた。次いで、このシート状成形物(厚み:6.5mm)を、図1に示すような加熱加圧ロール式ダブルベルトプレス機(噛み込み角度0.5°)で約127℃の温度で加圧し、1.15mmまで圧延した後、冷却加圧ロール式ダブルベルトプレス機(噛み込み角度0°)を用い、30℃で冷却加圧を行った。更に、縦横4.5×5倍、125℃で同時二軸延伸した。
実施例1と同じ条件で、樹脂組成物を溶解混練し、混練物をシート状に押出した後、急冷固化し、圧延と二軸延伸を行った。次いで、デカン浴中で脱溶媒処理を行い、その後、111−33ペンタフルオロブタン(沸点40℃)浴中(水相の形成なし)でデカンを置換し、その後、左右をチャックで固定化して40℃、風速10m/secの条件下へシートを通して乾燥を行った。このとき、安定してチャックを行うことができず、部分的にチャック不良が生じた。チャックが行えた部分についてサンプリングを行ったところ、多孔質膜の厚みは14μmであり、空孔率は38%であった。
11 低沸点溶剤
12 水相
12a 水膜
13 低沸点溶剤槽
14 水シール槽
15 多孔質膜
Claims (4)
- 製膜後に炭化水素系溶媒を含有する多孔質膜から洗浄溶剤を用いて炭化水素系溶媒を除去した後、多孔質膜を乾燥させる工程を含む多孔質膜の製造方法において、
前記多孔質膜から洗浄溶剤を用いて炭化水素系溶媒を除去する工程と、その洗浄溶剤より沸点が低く水と相溶しない低沸点溶剤に多孔質膜を浸漬して前記洗浄溶剤を置換する工程と、水膜を形成しながら多孔質膜を浸漬浴から引き上げて気相雰囲気で乾燥させる工程とを含み、
前記浸漬浴には、水より比重の大きい前記低沸点溶剤を溜めると共に、多孔質膜の引き上げを行う表面部に水相を形成し、連続的に多孔質膜を引き上げることで一時的に多孔質膜の表面に水膜を形成することを特徴とする多孔質膜の製造方法。 - ポリオレフィン系樹脂及び炭化水素系溶媒を含む樹脂組成物を溶融混練し、得られた溶融混練物を冷却してシート状物を得た後、一軸方向以上に延伸する工程を含む請求項1に記載の多孔質膜の製造方法。
- 前記低沸点溶剤は、オゾン破壊係数がゼロのフッ素系溶剤を含有する請求項1又は2に記載の多孔質膜の製造方法。
- 請求項1〜3のいずれかに記載の多孔質膜の製造方法によって電池用セパレータを製造する電池用セパレータの製造方法。
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JP2006249208A JP2006249208A (ja) | 2006-09-21 |
JP4634192B2 true JP4634192B2 (ja) | 2011-02-16 |
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JP5098443B2 (ja) * | 2007-05-31 | 2012-12-12 | 東レ株式会社 | ポリ乳酸分離膜およびその製造方法 |
KR101123271B1 (ko) * | 2009-08-20 | 2012-03-20 | 한국세라믹기술원 | 대면적 고온 기체분리막의 제조 방법 |
CN103459478B (zh) * | 2011-05-02 | 2015-06-10 | 野方铁郎 | 聚烯烃微多孔膜的制造装置及制造方法 |
JP5832907B2 (ja) | 2012-01-10 | 2015-12-16 | 鉄郎 野方 | ポリオレフィン微多孔膜の製造方法 |
JP6006623B2 (ja) * | 2012-11-20 | 2016-10-12 | 大陽日酸株式会社 | 酸化処理方法 |
CN110327794B (zh) * | 2019-06-28 | 2021-10-26 | 杭州天创环境科技股份有限公司 | 一种纳滤膜的制备方法 |
CN116531962A (zh) * | 2023-07-06 | 2023-08-04 | 迈博瑞生物膜技术(南通)有限公司 | 一种聚酰胺微滤膜及其制备方法 |
KR102657391B1 (ko) * | 2023-07-27 | 2024-04-26 | 주식회사 에스티영원 | 이차전지 습식 분리막 제조용 오일 추출 및 용제 건조 시스템 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000072908A (ja) * | 1998-08-28 | 2000-03-07 | Nitto Denko Corp | 多孔質フィルム並びにその製造と用途 |
JP2002012695A (ja) * | 2000-06-30 | 2002-01-15 | Tonen Chem Corp | 熱可塑性樹脂微多孔膜の製造方法 |
JP2003082151A (ja) * | 2001-09-06 | 2003-03-19 | Tonen Chem Corp | 熱可塑性樹脂成形体の製造方法及びその熱可塑性樹脂成形体からなる微多孔膜 |
JP2005082652A (ja) * | 2003-09-05 | 2005-03-31 | Tonen Chem Corp | 熱可塑性樹脂微多孔膜の製造方法 |
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2005
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000072908A (ja) * | 1998-08-28 | 2000-03-07 | Nitto Denko Corp | 多孔質フィルム並びにその製造と用途 |
JP2002012695A (ja) * | 2000-06-30 | 2002-01-15 | Tonen Chem Corp | 熱可塑性樹脂微多孔膜の製造方法 |
JP2003082151A (ja) * | 2001-09-06 | 2003-03-19 | Tonen Chem Corp | 熱可塑性樹脂成形体の製造方法及びその熱可塑性樹脂成形体からなる微多孔膜 |
JP2005082652A (ja) * | 2003-09-05 | 2005-03-31 | Tonen Chem Corp | 熱可塑性樹脂微多孔膜の製造方法 |
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KR102001605B1 (ko) | 2015-11-30 | 2019-07-18 | 주식회사 엘지화학 | 분리막 세척장치 |
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