KR20170052480A - 고흡수성 수지의 제조 방법 - Google Patents
고흡수성 수지의 제조 방법 Download PDFInfo
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- KR20170052480A KR20170052480A KR1020160142887A KR20160142887A KR20170052480A KR 20170052480 A KR20170052480 A KR 20170052480A KR 1020160142887 A KR1020160142887 A KR 1020160142887A KR 20160142887 A KR20160142887 A KR 20160142887A KR 20170052480 A KR20170052480 A KR 20170052480A
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- FAIDIRVMPHBRLT-UHFFFAOYSA-N propane-1,2,3-triol;prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)C=C.OCC(O)CO FAIDIRVMPHBRLT-UHFFFAOYSA-N 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
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- 238000002834 transmittance Methods 0.000 description 1
- VPYJNCGUESNPMV-UHFFFAOYSA-N triallylamine Chemical compound C=CCN(CC=C)CC=C VPYJNCGUESNPMV-UHFFFAOYSA-N 0.000 description 1
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- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
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Abstract
Description
도 2는 제조예 2의 주사전자현미경(Scanning Electron Microscope, SEM)사진이다.
도 3은 비교 제조예 3의 주사전자현미경(Scanning Electron Microscope, SEM)사진이다.
| 미분량(g) | 물량(g) | 함수량(%) | 온도(℃) | |
| 제조예 1 | 40 | 50 | 43 | 20 |
| 제조예 2 | 40 | 40 | 48 | |
| 제조예 3 | 40 | 30 | 58 | |
| 비교 제조예 1 | 40 | 50 | 44 | 80 |
| 비교 제조예 2 | 40 | 40 | 50 | |
| 비교 제조예 3 | 40 | 30 | 58 |
| 입자(㎛) 비율(%) | |||||
| 850이상 | 600~850 | 300~600 | 150~300 | 150이하 | |
| 제조예 1 | 6 | 26 | 25 | 17 | 26 |
| 제조예 2 | 6 | 23 | 25 | 17 | 28 |
| 제조예 3 | 7 | 24 | 20 | 15 | 34 |
| 비교 제조예 1 | 4 | 18 | 24 | 19 | 34 |
| 비교 제조예 2 | 4 | 21 | 24 | 16 | 34 |
| 비교 제조예 3 | 4 | 19 | 20 | 20 | 38 |
| 물성 | ||||
| FSR | CRC | EC | 파쇄강도 | |
| 제조예 1 | 0.27 | 28.1 | 12 | 0.51 (±0.32) |
| 제조예 2 | 0.26 | 27.6 | 12.5 | 0.33 (±0.10) |
| 제조예 3 | 0.36 | 28.6 | 12.7 | 0.25 (±0.08) |
| 비교 제조예 1 | 0.38 | 27.2 | 11.5 | 0.34 (±0.17) |
| 비교 제조예 2 | 0.38 | 27 | 12.3 | 0.24 (±0.07) |
| 비교 제조예 3 | 0.48 | 27.5 | 12 | 0.21 (±0.07) |
| CRC | AUP | SFC | 투과도 | |
| 실시예 1 | 27.6 | 22.9 | 78 | 52 |
| 실시예 2 | 26.8 | 22.6 | 87 | 47 |
| 비교예 1 | 27.4 | 22.8 | 66 | 60 |
| 비교예 2 | 26.7 | 23.1 | 79 | 50 |
| 비교예 3 | 29.1 | 23.2 | 56 | 79 |
| 비교예 4 | 27.7 | 23 | 68 | 59 |
Claims (9)
- 수용성 에틸렌계 불포화 단량체 및 중합개시제를 포함하는 모노머 조성물에 열중합 또는 광중합을 진행하여 함수겔상 중합체를 형성하는 단계;
상기 함수겔상 중합체를 건조하는 단계;
건조된 중합체를 분쇄하는 단계;
상기 분쇄된 중합체를 입경에 따라 150㎛ 미만의 입경을 갖는 미분과, 150 내지 850㎛ 의 입경을 갖는 중합체로 분급하는 단계;
상기 150㎛ 이하의 입경을 갖는 미분 100중량부에 대하여 5 내지 30℃의 물을 50 내지 200중량부 혼합하여 습윤시켜 재조립하는 단계; 및
상기 150 내지 850㎛ 의 입경을 갖는 중합체와 미분 재조립체를 혼합하여 표면 가교하는 단계;를 포함하는 고흡수성 수지의 제조 방법.
- 제1항에 있어서,
상기 150 내지 850㎛ 의 입경을 갖는 중합체와 미분 재조립체는 6:4 내지 8:2의 중량비로 혼합되는 고흡수성 수지의 제조 방법.
- 제1항에 있어서,
상기 표면 가교하는 단계는 150 내지 850㎛ 의 입경을 갖는 중합체와 미분 재조립체 100 중량부에 대해 0.001 내지 5 중량부의 표면 가교제를 사용하는 고흡수성 수지의 제조 방법.
- 제3항에 있어서,
상기 표면 가교제는 다가 알콜 화합물; 에폭시 화합물; 폴리아민 화합물; 할로에폭시 화합물; 할로에폭시 화합물의 축합 산물; 옥사졸린 화합물류; 모노-, 디- 또는 폴리옥사졸리디논 화합물; 환상 우레아 화합물; 다가 금속염; 및 알킬렌 카보네이트 화합물로 이루어진 군에서 선택되는 1 종 이상을 포함하는 고흡수성 수지의 제조 방법.
- 제1항에 있어서,
상기 표면 가교하는 단계는 150℃ 내지 300℃의 온도에서 10분 내지 100분 동안 표면 가교 반응시키는 고흡수성 수지의 제조 방법.
- 제1항에 있어서,
상기 5 내지 30℃의 물은 미스트 또는 스프레이 장치를 이용하여 상기 미분에 혼합하여 습윤시키는 고흡수성 수지의 제조 방법.
- 제1항에 있어서,
상기 재조립 단계에서, 미분은 함수율이 40 내지 60 중량%인 상태에서 재조립하는 고흡수성 수지의 제조 방법.
- 제1항에 있어서,
상기 함수겔상 중합체의 함수율은 40 내지 60 중량%인 고흡수성 수지의 제조 방법.
- 제1항에 있어서,
상기 건조된 중합체의 함수율은 0.1 내지 10 중량%인 고흡수성 수지의 제조 방법.
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| CN201680006819.6A CN107207745B (zh) | 2015-11-03 | 2016-11-01 | 超吸收性聚合物的制备方法 |
| EP16862385.8A EP3225649B1 (en) | 2015-11-03 | 2016-11-01 | Method for preparing superabsorbent polymer |
| PCT/KR2016/012461 WO2017078369A1 (ko) | 2015-11-03 | 2016-11-01 | 고흡수성 수지의 제조 방법 |
| US15/540,705 US10086362B2 (en) | 2015-11-03 | 2016-11-01 | Preparation method of super absorbent polymer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190003351A (ko) * | 2017-06-30 | 2019-01-09 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 및 이러한 방법으로 얻은 고흡수성 수지 |
| KR20190087209A (ko) * | 2018-01-16 | 2019-07-24 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
| WO2019143020A1 (ko) * | 2018-01-19 | 2019-07-25 | 주식회사 엘지화학 | 고흡수성 수지 및 이의 제조 방법 |
| WO2021091240A1 (ko) * | 2019-11-05 | 2021-05-14 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
| US12157108B2 (en) | 2019-11-05 | 2024-12-03 | Lg Chem, Ltd. | Method for preparing superabsorbent polymer |
| US12179172B2 (en) | 2018-12-11 | 2024-12-31 | Lg Chem, Ltd. | Method of preparing superabsorbent polymer and superabsorbent polymer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102009909B1 (ko) * | 2015-10-07 | 2019-08-21 | 주식회사 엘지화학 | 고흡수성 수지 단일 입자의 파쇄강도 측정 방법 |
| KR102555381B1 (ko) * | 2018-04-03 | 2023-07-12 | 주식회사 엘지화학 | 고흡수성 수지의 제조방법 |
| US11969707B2 (en) | 2018-11-13 | 2024-04-30 | Lg Chem, Ltd. | Method for preparing super absorbent polymer |
| WO2025165305A1 (en) * | 2024-02-01 | 2025-08-07 | Agency For Science, Technology And Research | A method of preparing a polymeric matrix |
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| KR20190003351A (ko) * | 2017-06-30 | 2019-01-09 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 및 이러한 방법으로 얻은 고흡수성 수지 |
| KR20190087209A (ko) * | 2018-01-16 | 2019-07-24 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
| WO2019143017A1 (ko) * | 2018-01-16 | 2019-07-25 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
| US10894867B2 (en) | 2018-01-16 | 2021-01-19 | Lg Chem, Ltd. | Manufacturing method of super absorbent polymer |
| WO2019143020A1 (ko) * | 2018-01-19 | 2019-07-25 | 주식회사 엘지화학 | 고흡수성 수지 및 이의 제조 방법 |
| KR20190088830A (ko) * | 2018-01-19 | 2019-07-29 | 주식회사 엘지화학 | 고흡수성 수지 및 이의 제조 방법 |
| US12435191B2 (en) | 2018-01-19 | 2025-10-07 | Lg Chem, Ltd. | Super absorbent polymer and method for preparing same |
| US12179172B2 (en) | 2018-12-11 | 2024-12-31 | Lg Chem, Ltd. | Method of preparing superabsorbent polymer and superabsorbent polymer |
| WO2021091240A1 (ko) * | 2019-11-05 | 2021-05-14 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
| US12157108B2 (en) | 2019-11-05 | 2024-12-03 | Lg Chem, Ltd. | Method for preparing superabsorbent polymer |
Also Published As
| Publication number | Publication date |
|---|---|
| US10086362B2 (en) | 2018-10-02 |
| EP3225649A1 (en) | 2017-10-04 |
| CN107207745B (zh) | 2019-09-27 |
| EP3225649B1 (en) | 2019-10-02 |
| EP3225649A4 (en) | 2018-07-25 |
| KR101960043B1 (ko) | 2019-07-04 |
| US20170354952A1 (en) | 2017-12-14 |
| CN107207745A (zh) | 2017-09-26 |
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