JP2015141838A5 - - Google Patents
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- JP2015141838A5 JP2015141838A5 JP2014014823A JP2014014823A JP2015141838A5 JP 2015141838 A5 JP2015141838 A5 JP 2015141838A5 JP 2014014823 A JP2014014823 A JP 2014014823A JP 2014014823 A JP2014014823 A JP 2014014823A JP 2015141838 A5 JP2015141838 A5 JP 2015141838A5
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- Prior art keywords
- copolymer
- monomer
- storage device
- separator
- meth
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- 229920001577 copolymer Polymers 0.000 claims description 38
- 239000000178 monomer Substances 0.000 claims description 37
- 230000005611 electricity Effects 0.000 claims description 21
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 9
- 125000005396 acrylic acid ester group Chemical group 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 7
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- NLHHRLWOUZZQLW-UHFFFAOYSA-N acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000004432 carbon atoms Chemical group C* 0.000 claims description 4
- 238000007720 emulsion polymerization reaction Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- -1 2-ethylhexyl Chemical group 0.000 claims description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium Ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims description 2
- 229910001416 lithium ion Inorganic materials 0.000 claims description 2
- 239000012046 mixed solvent Substances 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 230000002522 swelling Effects 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Description
すなわち、本発明は下記のとおりである。
［１］基材と、その基材の少なくとも片面上の少なくとも一部に形成された熱可塑性ポリマーを含有する層と、を備える蓄電デバイス用セパレータであって、
前記熱可塑性ポリマーが、シアノ基を有する単量体と、炭素原子数が６以上の鎖状アルキル基を有する（メタ）アクリル酸エステル単量体と、シクロアルキル基を有する（メタ）アクリル酸エステル単量体と、を単量体単位として有する共重合体を含む、蓄電デバイス用セパレータ。
［２］前記熱可塑性ポリマーにおける、前記（メタ）アクリル酸エステルの１７２０〜１７５０ｃｍ-1の波長における赤外吸収ピーク強度に対する前記シアノ基を有する単量体の２２２０ｃｍ-1〜２２６０ｃｍ-1の波長における赤外吸収ピーク強度の比が、０．００１〜０．３２０である、上記蓄電デバイス用セパレータ。
［３］前記シアノ基を有する単量体が（メタ）アクリロニトリルである、上記蓄電デバイス用セパレータ。
［４］エチレンカーボネートとジエチルカーボネートとの混合溶媒（質量比２：３）に対する前記共重合体の膨潤度が１０．０倍以下である、上記蓄電デバイス用セパレータ。
［５］前記共重合体が、架橋性単量体を単量体単位として更に有する、上記蓄電デバイス用セパレータ。
［６］前記共重合体が、乳化重合によって製造された共重合体を含む、上記蓄電デバイス用セパレータ。
［７］前記蓄電デバイス用セパレータを２枚重ねて、その積層方向に、温度２５℃、圧力５ＭＰａで３分間加圧した後の９０°剥離強度が４０ｍＮ／ｍｍ以下である、上記蓄電デバイス用セパレータ。
［８］前記基材が、ポリオレフィン微多孔膜である、上記蓄電デバイス用セパレータ。
［９］上記蓄電デバイス用セパレータを備える蓄電デバイス。
［１０］上記蓄電デバイス用セパレータを備えるリチウムイオン二次電池。
［１１］シアノ基を有する単量体と、炭素原子数が６以上の鎖状アルキル基を有する（メタ）アクリル酸エステル単量体と、シクロアルキル基を有する（メタ）アクリル酸エステル単量体と、を単量体単位として有する共重合体。
［１２］前記シアノ基を有する単量体が（メタ）アクリロニトリルである、上記共重合体。
［１３］ブチル（メタ）アクリレート及び２−エチルヘキシル（メタ）アクリレートの少なくとも一方を単量体単位として有する、上記共重合体。
［１４］架橋性単量体を単量体単位として更に有する、上記共重合体。
［１５］カルボキシル基を有するエチレン性不飽和単量体を単量体単位として更に有する、上記共重合体。
［１６］前記シクロアルキル基を有する単量体が、シクロヘキシル（メタ）アクリレートである、上記共重合体。
［１７］前記共重合体が、乳化重合によって製造される共重合体である、上記共重合体。
［１８］前記共重合体が、蓄電デバイスに用いられる、上記共重合体。
［１９］前記共重合体が、蓄電デバイス用セパレータに用いられる、上記共重合体。
［２０］水と、その水中に分散した上記共重合体と、を含む水分散体。
That is, the present invention is as follows.
[1] A separator for an electricity storage device comprising: a base material; and a layer containing a thermoplastic polymer formed on at least a part of at least one surface of the base material,
The thermoplastic polymer is a monomer having a cyano group, a (meth) acrylic acid ester monomer having a chain alkyl group having 6 or more carbon atoms , and a (meth) acrylic acid ester having a cycloalkyl group. The separator for electrical storage devices containing the copolymer which has a monomer as a monomer unit .
[2] in the thermoplastic polymer, in the (meth) wavelength of 2220cm -1 ~2260cm -1 of the monomer having a cyano group to the infrared absorption peak intensity at a wavelength of 1720～1750Cm -1 acrylate The said separator for electrical storage devices whose ratio of infrared absorption peak intensity is 0.001-0.320.
[ 3 ] The above-mentioned separator for an electricity storage device, wherein the monomer having a cyano group is (meth) acrylonitrile.
[ 4 ] The above separator for an electricity storage device, wherein the degree of swelling of the copolymer with respect to a mixed solvent of ethylene carbonate and diethyl carbonate (mass ratio 2: 3) is 10.0 times or less.
[ 5 ] The above separator for an electricity storage device, wherein the copolymer further has a crosslinkable monomer as a monomer unit.
[ 6 ] The above separator for an electricity storage device, wherein the copolymer includes a copolymer produced by emulsion polymerization.
[ 7 ] The electricity storage device separator, wherein two sheets of the electricity storage device separator are stacked and 90 ° peel strength after pressing for 3 minutes at a temperature of 25 ° C. and a pressure of 5 MPa in the lamination direction is 40 mN / mm or less. .
[ 8 ] The above separator for an electricity storage device, wherein the substrate is a polyolefin microporous film.
[ 9 ] An electricity storage device comprising the above electricity storage device separator.
[ 10 ] A lithium ion secondary battery provided with the separator for an electricity storage device.
[ 11 ] A monomer having a cyano group, a (meth) acrylic acid ester monomer having a chain alkyl group having 6 or more carbon atoms , and a (meth) acrylic acid ester monomer having a cycloalkyl group And a copolymer having monomer units .
[12 ] The copolymer described above, wherein the monomer having a cyano group is (meth) acrylonitrile.
[ 13 ] The copolymer having at least one of butyl (meth) acrylate and 2-ethylhexyl (meth) acrylate as a monomer unit.
[ 14 ] The above copolymer further having a crosslinkable monomer as a monomer unit.
[ 15 ] The copolymer described above further comprising an ethylenically unsaturated monomer having a carboxyl group as a monomer unit.
[ 16 ] The copolymer described above, wherein the monomer having a cycloalkyl group is cyclohexyl (meth) acrylate.
[ 17 ] The above copolymer, wherein the copolymer is a copolymer produced by emulsion polymerization.
[ 18 ] The copolymer described above, wherein the copolymer is used in an electricity storage device.
[ 19 ] The copolymer described above, wherein the copolymer is used for a separator for an electricity storage device.
[ 20 ] An aqueous dispersion comprising water and the copolymer dispersed in the water.
Claims (20)
前記熱可塑性ポリマーが、シアノ基を有する単量体と、炭素原子数が６以上の鎖状アルキル基を有する（メタ）アクリル酸エステル単量体と、シクロアルキル基を有する（メタ）アクリル酸エステル単量体と、を単量体単位として有する共重合体を含む、蓄電デバイス用セパレータ。 A separator for an electricity storage device comprising: a base material; and a layer containing a thermoplastic polymer formed on at least a part of at least one surface of the base material,
The thermoplastic polymer is a monomer having a cyano group, a (meth) acrylic acid ester monomer having a chain alkyl group having 6 or more carbon atoms , and a (meth) acrylic acid ester having a cycloalkyl group. The separator for electrical storage devices containing the copolymer which has a monomer as a monomer unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014014823A JP2015141838A (en) | 2014-01-29 | 2014-01-29 | Separator for power storage device, power storage device, lithium ion secondary battery, and copolymer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014014823A JP2015141838A (en) | 2014-01-29 | 2014-01-29 | Separator for power storage device, power storage device, lithium ion secondary battery, and copolymer |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016077799A Division JP6227696B2 (en) | 2016-04-08 | 2016-04-08 | Power storage device separator, power storage device, and lithium ion secondary battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2015141838A JP2015141838A (en) | 2015-08-03 |
| JP2015141838A5 true JP2015141838A5 (en) | 2015-10-01 |
Family
ID=53772071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014014823A Pending JP2015141838A (en) | 2014-01-29 | 2014-01-29 | Separator for power storage device, power storage device, lithium ion secondary battery, and copolymer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2015141838A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6856988B2 (en) * | 2015-11-19 | 2021-04-14 | 旭化成株式会社 | Separator for power storage device and laminate using it, wound body, lithium ion secondary battery or power storage device |
| KR102050627B1 (en) * | 2015-12-18 | 2019-12-02 | 주식회사 엘지화학 | Seperator and battery comprising the same |
| WO2017169446A1 (en) * | 2016-03-29 | 2017-10-05 | 株式会社ニコン | Imaging element and imaging device |
| JP6691856B2 (en) * | 2016-09-28 | 2020-05-13 | 株式会社エンビジョンＡｅｓｃジャパン | Secondary battery |
| WO2019082658A1 (en) * | 2017-10-27 | 2019-05-02 | 日本ゼオン株式会社 | Adhesive composition for electrical storage device, functional layer for electrical storage device, electrical storage device, and method for producing electrical storage device |
| KR20200080228A (en) * | 2017-10-27 | 2020-07-06 | 니폰 제온 가부시키가이샤 | Adhesive composition for electrical storage device, functional layer for electrical storage device, electrical storage device, and manufacturing method of electrical storage device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5323590B2 (en) * | 2009-06-19 | 2013-10-23 | 旭化成イーマテリアルズ株式会社 | Multilayer porous membrane, resin binder and coating solution |
| KR101927700B1 (en) * | 2010-10-28 | 2018-12-11 | 제온 코포레이션 | Secondary battery porous membrane, slurry for secondary battery porous membrane, and secondary battery |
| KR20150057480A (en) * | 2013-11-19 | 2015-05-28 | 삼성에스디아이 주식회사 | Separator, lithium battery including the same, method for preparing the separator, and method for preparing the lithium battery |
| KR20150057481A (en) * | 2013-11-19 | 2015-05-28 | 삼성에스디아이 주식회사 | Separator for lithium battery, lithium battery including the same, and method for preparing the lithium battery |
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2014
- 2014-01-29 JP JP2014014823A patent/JP2015141838A/en active Pending
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