KR101127185B1 - 티타늄 옥사이드를 포함하는 pH 감응성 하이드로겔의 제조방법 - Google Patents
티타늄 옥사이드를 포함하는 pH 감응성 하이드로겔의 제조방법 Download PDFInfo
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- KR101127185B1 KR101127185B1 KR1020090005695A KR20090005695A KR101127185B1 KR 101127185 B1 KR101127185 B1 KR 101127185B1 KR 1020090005695 A KR1020090005695 A KR 1020090005695A KR 20090005695 A KR20090005695 A KR 20090005695A KR 101127185 B1 KR101127185 B1 KR 101127185B1
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- hydrogel
- tio
- polyvinyl alcohol
- polyacrylic acid
- sensitive hydrogel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/14—Polymerisation; cross-linking
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
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Claims (8)
- 폴리아크릴산과 폴리비닐알콜의 혼합물; 상기 폴리아크릴산의 가교제와 폴리비닐알콜의 가교제의 혼합가교제; 및 용제;를 포함하는 하이드로겔 전구체 혼합물을 제조하는 단계;상기 하이드로겔 전구체 혼합물에 TiO2 및 개시제를 혼합하는 단계; 및상기 혼합물을 중합 또는 가교하여 IPN 구조의 하이드로겔을 제조하는 단계;를 포함하는 pH 감응형 하이드로겔의 제조방법.
- 제 1항에 있어서,상기 폴리아크릴산과 폴리비닐알콜의 혼합물은 1 : 0.1~5의 중량비로 혼합되며, 전체 조성물에 대하여 5~60 중량% 함유되며, 폴리아크릴산의 가교제와 폴리비닐알콜의 가교제가 1 : 1~10 중량비로 혼합된 혼합가교제는 전체 조성물에 대하여 0.5~10 중량% 함유되며, TiO2는 전체 조성물에 대하여 0.2~5 중량% 및 개시제는 전체 조성물에 대하여 0.1~3 중량%이고, 나머지 성분이 용제인 pH 감응형 하이드로겔의 제조방법.
- 삭제
- 제 1항에 있어서,상기 폴리아크릴산은 pKa가 4~5인 것을 포함하는 pH 감응형 하이드로겔의 제조방법.
- 제 4항에 있어서,상기 폴리아크릴산은 아크릴산 단량체를 포함하는 pH 감응형 하이드로겔의 제조방법.
- 제 1항에 있어서,상기 폴리아크릴산의 가교제는 에틸렌글리콜 디메타크릴레이트이고, 폴리비닐알콜의 가교제는 글루타르알데히드를 포함하는 pH 감응형 하이드로겔의 제조방법.
- 제 1항에 있어서,상기 중합 또는 가교 반응 조건은 상온에서 10분 내지 1시간 교반 후, 산소를 제거하고 상온 내지 100℃로 10분 내지 6시간 동안 반응하여 제조되는 pH 감응형 하이드로겔의 제조방법.
- 제 1항, 제 2항 및 제 4항 내지 제 7항 중에서 선택되는 어느 한 항에 의하여 제조되는 pH 감응형 하이드로겔.
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KR1020090005695A KR101127185B1 (ko) | 2009-01-22 | 2009-01-22 | 티타늄 옥사이드를 포함하는 pH 감응성 하이드로겔의 제조방법 |
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KR1020090005695A KR101127185B1 (ko) | 2009-01-22 | 2009-01-22 | 티타늄 옥사이드를 포함하는 pH 감응성 하이드로겔의 제조방법 |
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KR20100086366A KR20100086366A (ko) | 2010-07-30 |
KR101127185B1 true KR101127185B1 (ko) | 2012-03-20 |
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- 2009-01-22 KR KR1020090005695A patent/KR101127185B1/ko active IP Right Grant
Non-Patent Citations (2)
Title |
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Colloids and Surfaces A: Physicochemical Engineering Aspects, 318권, pages 111-121, 2008.04.01.* |
Journal of Membrane Science, 288권, pages 51-60, 2006.11.11.* |
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