KR102029448B1 - 시아노에틸기 함유 중합체 및 이의 제조 방법 - Google Patents
시아노에틸기 함유 중합체 및 이의 제조 방법 Download PDFInfo
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Abstract
Description
시아노에틸화 치환율(%) | PVA와 AN의 몰 비율* | δD2 (MPa1 /2) | δP2 (MPa1 /2) | δH2 (MPa1 /2) | |
PVA | AN | ||||
0 | 100 | 0 | 15.90 | 8.10 | 18.80 |
10 | 90 | 10 | 15.91 | 8.57 | 17.60 |
20 | 80 | 20 | 15.92 | 9.04 | 16.40 |
30 | 70 | 30 | 15.93 | 9.51 | 15.20 |
40 | 60 | 40 | 15.94 | 9.98 | 14.00 |
50 | 50 | 50 | 15.95 | 10.45 | 12.80 |
60 | 40 | 60 | 15.96 | 10.92 | 11.60 |
70 | 30 | 70 | 15.97 | 11.39 | 10.40 |
80 | 20 | 80 | 15.98 | 11.86 | 9.20 |
90 | 10 | 90 | 15.99 | 12.33 | 8.00 |
100 | 0 | 100 | 16.00 | 12.80 | 6.80 |
* PVA: 폴리비닐알코올; AN: 아크릴로니트릴 |
-OCH2CH2CONH2 및 이의 이온 | -OCH2CH2COOH 및 이의 이온 | |
실시예 1 | 0.4 | < 0.1 |
실시예 2 | 0.4 | < 0.1 |
실시예 3 | 0.3 | < 0.1 |
실시예 4 | 0.7 | < 0.3 |
비교예 1 | 5.2 | 3.0 |
비교예 2 | 4.2 | 7.1 |
비교예 3 | 2.1 | 2.5 |
침강 속도[㎛/s] | 전극 접착력 [gf/15mm] | |
실시예 1 | 1.5 | 69 |
실시예 2 | 1.2 | 72 |
실시예 3 | 1.2 | 80 |
실시예 4 | 3.4 | 55 |
비교예 1 | 58 | 10 |
비교예 2 | 36 | 25 |
비교예 3 | 20.5 | 32 |
Claims (11)
- 시아노에틸기를 함유하는 중합체로서,
상기 중합체에 포함된 총 반복 단위에 대해 -OCH2CH2CONH2 및 이의 이온을 포함하는 반복 단위를 1.0% 이하로 포함하고, -OCH2CH2COOH 및 이의 이온을 포함하는 반복 단위를 2.0% 이하로 포함하는 시아노에틸기 함유 중합체.
- 제 1 항에 있어서, 상기 시아노에틸기 함유 중합체는 시아노에틸폴리비닐알코올인, 시아노에틸기 함유 중합체.
- 반응성 관능기 함유 중합체 및 시아노에틸기 도입 전구체의 시아노에틸화 반응을 통해 반응성 관능기 함유 중합체로부터 시아노에틸기 함유 중합체를 제조하는 단계를 포함하며,
상기 시아노에틸화 반응 동안 하기 식 1로 계산되는 Ra가 6 미만이 되도록 용매를 첨가하는, 시아노에틸기 함유 중합체의 제조 방법:
[식 1]
(Ra)2 = 4(δD2 - δD1)2 + (δP2 - δP1)2 + (δH2 - δH1)2
상기 식 1에서,
δD2, δP2 및 δH2는 반응성 관능기 함유 중합체 및 시아노에틸기 도입 전구체를 100-x : x 의 몰 비율로 혼합한 혼합물의 분산력에 의한 용해도 파라미터, 극성에 의한 용해도 파라미터 및 수소 결합에 의한 용해도 파라미터이며, 상기 x는 어느 한 시점에서 측정된 시아노에틸화 치환율이고,
δD1, δP1 및 δH1은 상기 어느 한 시점에서 시아노에틸화 반응에 사용되는 용매 계의 분산력에 의한 용해도 파라미터, 극성에 의한 용해도 파라미터 및 수소 결합에 의한 용해도 파라미터이다.
- 제 4 항에 있어서, 시아노에틸화 반응은 10 내지 60℃의 온도에서 40 분 내지 500 분간 진행되는, 시아노에틸기 함유 중합체의 제조 방법.
- 제 4 항에 있어서, 폴리비닐알코올, 아크릴로니트릴, 염기 촉매 및 제 1 용매를 혼합하여 혼합물을 제조하고, 상기 혼합물의 시아노에틸화 반응 중에 제 2 용매를 첨가하여, 폴리비닐알코올로부터 시아노에틸폴리비닐알코올을 제조하는, 시아노에틸기 함유 중합체의 제조 방법.
- 제 6 항에 있어서, 상기 제 2 용매로 알코올류 용매, 케톤류 용매, 설폭사이드류 용매 혹은 이들의 혼합 용매를 첨가하는, 시아노에틸기 함유 중합체의 제조 방법.
- 제 6 항에 있어서, 시아노에틸화 치환율이 25% 내지 85% 내인 범위에서 2 회 이상 제 2 용매를 첨가하는, 시아노에틸기 함유 중합체의 제조 방법.
- 제 6 항에 있어서, 시아노에틸화 치환율이 25% 내지 35% 내인 범위에서 제 2 용매를 제 1 용매 100 중량부에 대하여 30 내지 70 중량부로 첨가하고, 시아노에틸화 치환율이 45% 내지 55% 내인 범위에서 제 2 용매를 제 1 용매 100 중량부에 대하여 30 내지 130 중량부로 첨가하는, 시아노에틸기 함유 중합체의 제조 방법.
- 고분자 필름;
상기 고분자 필름 상에 분포하는 무기물 입자; 및
상기 고분자 필름에 무기물 입자를 고정시키는 바인더를 포함하며,
상기 바인더는 제 1 항에 따른 시아노에틸기 함유 중합체를 포함하는, 분리막.
- 제 10 항에 따른 분리막을 포함하는 이차전지.
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Application Number | Priority Date | Filing Date | Title |
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KR1020160179851A KR102029448B1 (ko) | 2016-12-27 | 2016-12-27 | 시아노에틸기 함유 중합체 및 이의 제조 방법 |
HUE17889265A HUE061378T2 (hu) | 2016-12-27 | 2017-11-30 | Cianoetilcsoportot tartalmazó polimer és eljárás ennek elõállítására |
EP17889265.9A EP3409698B1 (en) | 2016-12-27 | 2017-11-30 | Polymer containing cyanoethyl group and preparation method therefor |
CN201780021761.7A CN108884188A (zh) | 2016-12-27 | 2017-11-30 | 含有氰乙基的聚合物及其制备方法 |
US16/082,410 US11066490B2 (en) | 2016-12-27 | 2017-11-30 | Cyanoethyl group-containing polymer and preparation method thereof |
PL17889265.9T PL3409698T3 (pl) | 2016-12-27 | 2017-11-30 | Polimer zawierający grupę cyjanoetylową i sposób jego wytwarzania |
PCT/KR2017/013948 WO2018124509A1 (ko) | 2016-12-27 | 2017-11-30 | 시아노에틸기 함유 중합체 및 이의 제조 방법 |
JP2018548034A JP6651242B2 (ja) | 2016-12-27 | 2017-11-30 | シアノエチル基含有重合体およびその製造方法 |
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KR102447937B1 (ko) | 2018-07-23 | 2022-09-27 | 주식회사 엘지화학 | 2-시아노에틸기 함유 중합체의 제조 방법 |
EP3845594B1 (en) * | 2018-10-19 | 2024-07-10 | LG Chem, Ltd. | Dispersant for non-aqueous electrolyte battery separator including cyanoethyl group-containing polymer, non-aqueous electrolyte battery separator, and non-aqueous electrolyte battery |
KR102551395B1 (ko) * | 2018-12-11 | 2023-07-03 | 주식회사 엘지화학 | 2-시아노에틸기 함유 중합체의 제조 방법 |
KR102405288B1 (ko) | 2019-01-22 | 2022-06-07 | 주식회사 엘지화학 | 비닐 알코올계 공중합체, 이의 제조 방법 및 이를 포함하는 기체 차단성 필름 |
KR102744969B1 (ko) | 2019-08-28 | 2024-12-20 | (주)에코케미칼 | 시아노에틸폴리비닐알콜의 제조방법 |
KR102801077B1 (ko) * | 2019-09-10 | 2025-04-24 | 주식회사 엘지화학 | 2-시아노에틸기 함유 중합 성형품의 제조 방법 |
KR102535527B1 (ko) * | 2022-04-11 | 2023-05-26 | 주식회사 한솔케미칼 | 공중합체를 포함하는 바인더, 상기 바인더를 포함하는 이차전지용 음극, 상기 음극을 포함하는 이차전지, 및 상기 공중합체의 중합방법 |
WO2024080827A1 (ko) * | 2022-10-13 | 2024-04-18 | 한국화학연구원 | 겔 고분자 전해질 형성용 조성물, 그로부터 제조된 겔 고분자 전해질 및 그 제조방법 |
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US20190085102A1 (en) | 2019-03-21 |
EP3409698B1 (en) | 2023-01-25 |
US11066490B2 (en) | 2021-07-20 |
CN108884188A (zh) | 2018-11-23 |
WO2018124509A1 (ko) | 2018-07-05 |
JP6651242B2 (ja) | 2020-02-19 |
EP3409698A4 (en) | 2019-04-03 |
JP2019509383A (ja) | 2019-04-04 |
HUE061378T2 (hu) | 2023-06-28 |
KR20180075912A (ko) | 2018-07-05 |
PL3409698T3 (pl) | 2023-05-15 |
EP3409698A1 (en) | 2018-12-05 |
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