KR102576889B1 - 초흡수제의 제조 방법 - Google Patents
초흡수제의 제조 방법 Download PDFInfo
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
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- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
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Abstract
Description
Claims (15)
- a) 산 기를 갖고 적어도 부분적으로 중화될 수 있는, 적어도 하나의 에틸렌성으로 불포화된 단량체,
b) 적어도 하나의 가교결합제,
c) 적어도 하나의 개시제,
d) 임의로 상기 a) 에 언급된 단량체와 공중합가능한, 하나 이상의 에틸렌성으로 불포화된 단량체 및
e) 임의로 하나 이상의 수용성 중합체
를 포함하는 단량체 용액 또는 현탁액을 중합함으로써 초흡수제 입자를 제조하는 방법으로서:
i) 단량체 용액을 중합하여 중합체 겔을 수득하는 단계,
ii) 임의로 수득한 중합체 겔을 분쇄하는 단계,
iii) 중합체 겔을 건조하는 단계,
iv) 건조된 중합체 겔을 분쇄 및 분류하여 중합체 입자를 산출하는 단계,
v) 분류된 중합체 입자를 열적으로 표면 후가교결합하는 단계,
vi) 임의로 표면 후가교결합된 중합체 입자를 재분류하는 단계,
vii) 임의로 단계 iv) 에서 제거된 중합체 입자를 단계 iii) 의 업스트림에서 재순환시키는 단계 및
viii) 임의로 단계 vi) 에서 제거된 중합체 입자를 단계 iii) 의 업스트림에서 재순환시키는 단계
를 포함하며, 단량체 용액에 단계 i) 전에, 사용된 단량체 a) 의 총량에 대해 계산된, 적어도 0.75 중량% 의 히드록시포스폰산 또는 이의 염을 첨가하는 것, 및 중합체 입자에 단계 iv) 와 단계 vi) 사이에, 사용된 중합체 입자의 총량에 대해 계산된, 적어도 0.09 중량% 의 알루미늄 양이온을 첨가하는 것을 포함하고,
알루미늄 양이온이 알루미늄 설페이트의 형태로 사용되는, 초흡수제 입자를 제조하는 방법. - 제 1 항에 있어서, 단계 vi) 에서 제거되고 단계 iii) 의 업스트림에서 재순환되는 중합체 입자가 150 ㎛ 미만의 입자 크기를 갖는, 초흡수제 입자를 제조하는 방법.
- 제 1 항에 있어서, 1-히드록시에틸리덴-1,1'-디포스폰산이 히드록시포스폰산으로서 사용되는, 초흡수제 입자를 제조하는 방법.
- 제 1 항에 있어서, 알루미늄 양이온이 단계 v) 전에 첨가되는, 초흡수제 입자를 제조하는 방법.
- 삭제
- 제 1 항에 있어서, 사용되는 단량체 a) 의 총량에 대해 계산된, 적어도 0.8 중량% 의 히드록시포스폰산 또는 이의 염이, 단계 i) 전 단량체 용액에 첨가되는, 초흡수제 입자를 제조하는 방법.
- 제 1 항에 있어서, 사용되는 단량체 a) 의 총량에 대해 계산된, 적어도 0.85 중량% 의 히드록시포스폰산 또는 이의 염이, 단계 i) 전 단량체 용액에 첨가되는, 초흡수제 입자를 제조하는 방법.
- 제 1 항에 있어서, 사용되는 중합체 입자의 총량에 대해 계산된, 적어도 0.1 중량% 의 알루미늄 양이온이, 단계 iv) 후 중합체 입자에 첨가되는, 초흡수제 입자를 제조하는 방법.
- 제 1 항에 있어서, 사용되는 중합체 입자의 총량에 대해 계산된, 적어도 0.11 중량% 의 알루미늄 양이온이, 단계 iv) 후 중합체 입자에 첨가되는, 초흡수제 입자를 제조하는 방법.
- 제 1 항 내지 제 4 항 및 제 6 항 내지 제 9 항 중 어느 한 항의 제조 방법에 의해 수득가능한 초흡수제 입자로서, 초흡수제 입자가 적어도 25 g/g 의 원심분리 유지 수용력, 적어도 15 g/g 의 49.2 g/cm²의 압력 하에서의 흡수, 적어도 60 darcies 의 겔 층 투과도를 갖고, 70℃ 의 온도 및 80% 의 상대 습도에서 14 일 동안 저장 후 초흡수제 입자가, 적어도 67 의 L 값, 7.0 미만의 a 값 및 14.5 미만의 b 값을 갖는, 초흡수제 입자.
- 제 10 항에 있어서, 원심분리 유지 수용력이 적어도 28 g/g 인 초흡수제 입자.
- 제 10 항에 있어서, 49.2 g/cm² 의 압력 하에서의 흡수가 적어도 18 g/g 인 초흡수제 입자.
- 제 10 항에 있어서, 겔 층 투과도가 적어도 75 darcies 인 초흡수제 입자.
- 제 10 항에 있어서, 70℃ 의 온도 및 80% 의 상대 습도에서 14 일 동안 저장 후 초흡수제 입자가, 적어도 70 의 L 값을 갖는 초흡수제 입자.
- 제 10 항에 있어서, 70℃ 의 온도 및 80% 의 상대 습도에서 14 일 동안 저장 후 초흡수제 입자가, 5.8 미만의 a 값 및 13.0 미만의 b 값을 갖는 초흡수제 입자.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16183579 | 2016-08-10 | ||
| EP16183579.8 | 2016-08-10 | ||
| PCT/EP2017/069446 WO2018029045A1 (de) | 2016-08-10 | 2017-08-01 | Verfahren zur herstellung von superabsorbern |
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| Publication Number | Publication Date |
|---|---|
| KR20190039129A KR20190039129A (ko) | 2019-04-10 |
| KR102576889B1 true KR102576889B1 (ko) | 2023-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020197003913A Active KR102576889B1 (ko) | 2016-08-10 | 2017-08-01 | 초흡수제의 제조 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US11325990B2 (ko) |
| EP (1) | EP3497141B1 (ko) |
| JP (1) | JP7150701B2 (ko) |
| KR (1) | KR102576889B1 (ko) |
| CN (1) | CN109563210B (ko) |
| WO (1) | WO2018029045A1 (ko) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7150701B2 (ja) | 2016-08-10 | 2022-10-11 | ビーエーエスエフ ソシエタス・ヨーロピア | 高吸収体の製造方法 |
| CN110248631B (zh) | 2017-02-06 | 2021-12-10 | 巴斯夫欧洲公司 | 流体吸收制品 |
| WO2018149783A1 (en) | 2017-02-17 | 2018-08-23 | Basf Se | Fluid-absorbent article |
| EP3706900B1 (de) | 2017-11-10 | 2022-12-07 | Basf Se | Superabsorber |
| EP3781108B1 (en) | 2018-04-20 | 2023-11-29 | Basf Se | Process for producing superabsorbents |
| CN112714770B (zh) | 2018-09-21 | 2023-03-28 | 株式会社日本触媒 | 含螯合剂的吸水性树脂的制造方法 |
| CN112004871A (zh) * | 2018-11-13 | 2020-11-27 | 株式会社Lg化学 | 用于制备超吸收性聚合物的方法 |
| JP6771633B1 (ja) * | 2019-05-30 | 2020-10-21 | ユニ・チャーム株式会社 | 使用済み吸収性物品由来の高吸水性ポリマーを再生する方法及び使用済み吸収性物品由来のリサイクル高吸水性ポリマー |
| KR102918601B1 (ko) * | 2019-11-25 | 2026-01-26 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013522406A (ja) * | 2010-03-15 | 2013-06-13 | ビーエーエスエフ ソシエタス・ヨーロピア | 改善された色安定性を有する吸水性ポリマー粒子の製造方法 |
| JP2013540186A (ja) | 2010-10-06 | 2013-10-31 | ビーエーエスエフ ソシエタス・ヨーロピア | 熱的に表面後架橋された水吸収性ポリマー粒子の製法 |
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|---|---|---|---|---|
| JPS6018690B2 (ja) | 1981-12-30 | 1985-05-11 | 住友精化株式会社 | 吸水性樹脂の吸水性改良方法 |
| JPS58180233A (ja) | 1982-04-19 | 1983-10-21 | Nippon Shokubai Kagaku Kogyo Co Ltd | 吸収剤 |
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- 2017-08-01 KR KR1020197003913A patent/KR102576889B1/ko active Active
- 2017-08-01 CN CN201780047245.1A patent/CN109563210B/zh active Active
- 2017-08-01 WO PCT/EP2017/069446 patent/WO2018029045A1/de not_active Ceased
- 2017-08-01 EP EP17743368.7A patent/EP3497141B1/de active Active
- 2017-08-01 US US16/321,638 patent/US11325990B2/en active Active
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| JP2013522406A (ja) * | 2010-03-15 | 2013-06-13 | ビーエーエスエフ ソシエタス・ヨーロピア | 改善された色安定性を有する吸水性ポリマー粒子の製造方法 |
| JP2013540186A (ja) | 2010-10-06 | 2013-10-31 | ビーエーエスエフ ソシエタス・ヨーロピア | 熱的に表面後架橋された水吸収性ポリマー粒子の製法 |
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| Publication number | Publication date |
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| JP2019526659A (ja) | 2019-09-19 |
| US12110351B2 (en) | 2024-10-08 |
| KR20190039129A (ko) | 2019-04-10 |
| CN109563210A (zh) | 2019-04-02 |
| US11325990B2 (en) | 2022-05-10 |
| EP3497141A1 (de) | 2019-06-19 |
| EP3497141B1 (de) | 2020-11-25 |
| WO2018029045A1 (de) | 2018-02-15 |
| CN109563210B (zh) | 2021-10-08 |
| JP7150701B2 (ja) | 2022-10-11 |
| US20220235152A1 (en) | 2022-07-28 |
| US20210301040A1 (en) | 2021-09-30 |
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