KR102786565B1 - 상호 침투형 구조 비드 및 그 제조 방법 - Google Patents
상호 침투형 구조 비드 및 그 제조 방법 Download PDFInfo
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Abstract
Description
도 2는, 본 발명의 비교예 1 에 따라 제조된 비드에 대해, 증류수 조건에서 그 형태를 촬영한 이미지이다.
도 3은, 본 발명의 비교예 2 에 따라 제조된 비드에 대해, 증류수 조건에서 그 형태를 촬영한 이미지이다.
도 4는, 본 발명의 실시예 1 에 따라 제조된 비드에 대해, pH 7.5 조건에서 그 형태를 촬영한 이미지이다.
도 5는, 본 발명의 비교예 1 에 따라 제조된 비드에 대해, pH 7.5 조건에서 그 형태를 촬영한 이미지이다.
도 6은, 본 발명의 비교예 2 에 따라 제조된 비드에 대해, pH 7.5 조건에서 그 형태를 촬영한 이미지이다.
| 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | 비교예 2 | |
| 양이온 성 아크릴로일 계 단량체 | 2DMAEMA(30.0wt%) | 2DMAEA (30.0wt%) |
2DEAEM (30.0wt%) |
- | 2DMAEMA (30.0wt%) |
| 알긴 산 전구체 | 알긴 산 나트륨(2.00wt%) | 알긴 산 나트륨 (2.00wt%) |
알긴 산 나트륨 (2.00wt%) |
알긴 산 나트륨 (2.00wt%) |
알긴 산 나트륨 (2.00wt%) |
| 가교제 | MBA(0.50mol%) | MBA (0.50mol%) |
MBA (0.50mol%) |
- | MBA (0.50mol%) |
| 제2반응액 | 실리콘 오일, 20wt% CaCl2(aq), Tween 80 | 20wt% CaCl2(aq) | |||
| 중합 조건 | TEMED, APS / N2 gas / 60℃ / 낙하 높이 약 8cm | ||||
| 단위: N | 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | 비교예 2 |
| 증류수 | 3.17 | 2.67 | 2.77 | 3.02 | 1.63 |
| 37℃, pH 7.5phosphate buffer | 1.75 | 1.38 | 1.58 | 측정 불가 | 측정 불가 |
Claims (14)
- i) 양이온성 아크릴로일 계 중합체, 및
ii) 알긴 산 칼슘의 가교 중합체를;
포함하며;
상기 양이온성 아크릴로일 계 중합체는, 하기 화학식 1로 표시되는 단량체로부터 유래된 반복 단위를 포함하는,
상호 침투 구조 (Interpenetrating Network, IPN) 비드:
[화학식 1]
상기 화학식 1에서,
R1은 수소(H) 또는 메틸 기이고,
X는 산소(O) 또는 -NR2-이고, R2는, 수소 또는 탄소 수 1 내지 5의 알킬 기고,
Y는 단결합 또는 탄소 수 1 내지 5의 알킬렌 기이고,
Z는 -N(R3)(R4)의 아민 기, 또는 -N(R5)(R6)(R7)+의 암모늄 기로, R3 내지 R7는 각각 독립적으로, 서로 동일하거나 상이하게, 수소 또는 탄소수 1 내지 5의 알킬 기이다.
- 삭제
- 제1항에 있어서,
상기 알긴 산 칼슘의 가교 중합체는, 알긴 산의 카르복시 음이온 및 칼슘 이온의 이온 결합을 포함하는, 상호 침투 구조 (Interpenetrating Network, IPN) 비드.
- 제1항에 있어서,
상기 상호 침투 구조 (Interpenetrating Network, IPN) 비드는, 알긴 산의 카르복시 음이온 및 양이온성 아크릴로일 계 중합체 사이의 이온 결합을 포함하는, 상호 침투 구조 (Interpenetrating Network, IPN) 비드.
- 제1항에 있어서,
상기 알긴 산 칼슘의 가교 중합체는 상기 양이온성 아크릴로일 계 중합체 100 중량부에 대하여, 1 내지 20 중량부로 포함되는, 상호 침투 구조 (Interpenetrating Network, IPN) 비드.
- 제1항에 있어서,
상기 양이온성 아크릴로일 계 중합체는, 아크릴로일 계 반복 단위 간 가교 결합을 포함하는, 상호 침투 구조 (Interpenetrating Network, IPN) 비드.
- 제6항에 있어서,
상기 가교 결합은, 디올디아크릴레이트 계 가교제, 알킬렌 카보네이트 계 가교제, 비스(메트)아크릴아미드 계 가교제, 폴리올의 폴리(메트)아크릴레이트계 가교제, 및 폴리올의 폴리(메트)알릴에테르계 가교제로 이루어진 군에서 선택된 1종 이상의 가교제에 의해 형성되는, 상호 침투 구조 (Interpenetrating Network, IPN) 비드.
- 제1항에 있어서,
pH 6 초과 내지 8 이하의 조건에서 푸시-풀 스케일을 이용하여 측정한 압축 강도 값이 1 내지 2 N인, 상호 침투 구조 (Interpenetrating Network, IPN) 비드.
- 제1항에 있어서,
평균 입경이 0.5 내지 5mm인, 상호 침투 구조 (Interpenetrating Network, IPN) 비드.
- 양이온성 아크릴로일 계 단량체 및 알긴 산 전구체를 포함하는, 반응액을 준비하는 단계; 및
상기 반응액을 칼슘 이온, 비반응성 용매, 및 중합 개시제가 존재하는 반응기에 첨가하여 반응을 진행시키는 단계를 포함하며,
상기 양이온성 아크릴로일 계 단량체는 하기 화학식 1로 표시되는,
상호 침투 구조 (Interpenetrating Network, IPN) 비드의 제조 방법:
[화학식 1]
상기 화학식 1에서,
R1은 수소(H) 또는 메틸 기이고,
X는 산소(O) 또는 -NR2-이고, R2는, 수소 또는 탄소 수 1 내지 5의 알킬 기고,
Y는 단결합 또는 탄소 수 1 내지 5의 알킬렌 기이고,
Z는 -N(R3)(R4)의 아민 기, 또는 -N(R5)(R6)(R7)+의 암모늄 기로, R3 내지 R7는 각각 독립적으로, 서로 동일하거나 상이하게, 수소 또는 탄소수 1 내지 5의 알킬 기이다.
- 삭제
- 제10항에 있어서,
상기 반응액은 가교제를 더 포함하는, 상호 침투 구조 (Interpenetrating Network, IPN) 비드의 제조 방법.
- 제10항에 있어서,
상기 반응은, 30 내지 80 ℃의 온도 조건에서 진행되는, 상호 침투 구조 (Interpenetrating Network, IPN) 비드의 제조 방법.
- 제10항에 있어서,
상기 비반응성 용매는, 실리콘 오일, 유동 파라핀, 사이클로헥산, 헥사데칸, 이소도데칸, 이소헥사데칸, 및 이소파라핀으로 이루어진 군에서 선택된 1종 이상을 포함하는, 상호 침투 구조 (Interpenetrating Network, IPN) 비드의 제조 방법.
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| KR101776110B1 (ko) * | 2015-05-21 | 2017-09-11 | 한국생산기술연구원 | 온도 감응형 형광 고분자의 나노입자 및 이의 제조방법 |
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