KR20140126280A - 고흡수성 수지 및 그의 제조 방법 - Google Patents
고흡수성 수지 및 그의 제조 방법 Download PDFInfo
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- KR20140126280A KR20140126280A KR20140125268A KR20140125268A KR20140126280A KR 20140126280 A KR20140126280 A KR 20140126280A KR 20140125268 A KR20140125268 A KR 20140125268A KR 20140125268 A KR20140125268 A KR 20140125268A KR 20140126280 A KR20140126280 A KR 20140126280A
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- UROHSXQUJQQUOO-UHFFFAOYSA-M (4-benzoylphenyl)methyl-trimethylazanium;chloride Chemical compound [Cl-].C1=CC(C[N+](C)(C)C)=CC=C1C(=O)C1=CC=CC=C1 UROHSXQUJQQUOO-UHFFFAOYSA-M 0.000 description 1
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- PIZHFBODNLEQBL-UHFFFAOYSA-N 2,2-diethoxy-1-phenylethanone Chemical compound CCOC(OCC)C(=O)C1=CC=CC=C1 PIZHFBODNLEQBL-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
- B01J20/267—Cross-linked polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- 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
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
-
- 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
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- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
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Abstract
Description
베이스 폴리머, BP-1 |
베이스 폴리머, BP-2 |
베이스 폴리머, BP-3 |
||
함수율(중량%) | 1.2 | 1.2 | 1.2 | |
입도 | 850 ㎛이상 | 0.57 | 0.57 | 0.57 |
600~850㎛ | 15 | 17 | 27 | |
300~600㎛ | 68.62 | 61.62 | 41.43 | |
150~300㎛ | 15 | 20 | 29 | |
90~150㎛ | 0.81 | 0.81 | 2 | |
45~90㎛ | 0 | 0 | 0 | |
45㎛미만 | 0 | 0 | 0 |
SPAN | ARUL | 가압흡수능 (g/g) | 무중력하 흡수배율 (g/g) | |
실시예 1 | 1.0 | 0.8 | 25.1 | 30.5 |
실시예 2 | 1.0 | 0.76 | 25.0 | 31.2 |
실시예 3 | 1.1 | 0.79 | 24.6 | 30.1 |
실시예 4 | 1.1 | 0.75 | 24.4 | 30.8 |
비교예 1 | 1.3 | 0.64 | 23.4 | 28.9 |
비교예 2 | 1.3 | 0.62 | 23.9 | 29.7 |
Claims (18)
- 수용성 에틸렌계 불포화 단량체 및 중합개시제를 포함하는 모노머 조성물을 형성하는 단계;
중합반응기에서 상기 모노머 조성물을 중합하여 함수겔 중합체를 제조하는 단계;
상기 함수겔 중합체를 건조 및 분쇄하는 단계;
상기 분쇄된 함수겔상 중합체를 분급하는 단계; 및
상기 분급된 함수겔 중합체 각각에 물 및 표면 가교제를 포함하는 표면처리 용액을 분사하여 함수겔 중합체의 표면을 처리하는 단계를 포함하는 고흡수성 수지의 제조 방법. - 제1항에 있어서, 상기 표면 가교제는 탄소수 2 내지 8의 디올 또는 글리콜계 화합물을 사용하는 고흡수성 수지의 제조방법.
- 제1항에 있어서, 상기 표면 처리 용액에는 에탄올, 메탄올, 이소프로필알코올, 에틸렌글리콜, 프로필렌글리콜, 폴리에틸렌글리콜 및 폴리프로필렌글리콜로 이루어진 군에서 선택된 1종 이상의 유기용매를 더 포함하는 고흡수성 수지의 제조방법.
- 제1항에 있어서, 상기 표면 가교제는 전체 표면처리 용액에 대하여 0.1 내지 10 중량%로 포함하는 고흡수성 수지의 제조방법.
- 제1항에 있어서, 상기 표면처리 용액은 분사장치의 유압 노즐로부터 1°내지 45°의 각도로 조절하여, 분급된 함수겔 중합체가 분포된 기판으로 분사되는 고흡수성 수지의 제조방법.
- 제1항에 있어서, 상기 표면을 처리하는 단계에서,
분급된 함수겔상 중합체를 하나의 표면 가교 반응기에 공급하고,
120 내지 250℃의 온도에서 10분 내지 120분 동안 함수겔 중합체의 표면 가교 반응을 진행하는 단계를 포함하는 고흡수성 수지의 제조방법. - 제1항에 있어서, 상기 함수겔 중합체를 건조 및 분쇄하는 단계에서,
건조된 함수겔 중합체를 입도가 150 내지 850㎛가 되도록 분쇄를 진행하는 것인 고흡수성 수지의 제조 방법. - 제1항에 있어서, 상기 분급하는 단계에서,
분쇄된 함수겔 중합체를 입도 150㎛ 미만인 입자 및 입도 150㎛ 이상 850㎛ 이하인 입자의 2분(分)으로 분급하는 단계,
분쇄된 함수겔 중합체를 입도 150㎛ 미만인 입자, 입도 150㎛ 이상 300㎛ 미만인 입자, 및 입도 300㎛ 이상 850㎛ 이하인 입자의 3분(分)으로 분급하는 단계, 또는
분쇄된 함수겔 중합체를 입도 150 ㎛ 미만인 입자, 입도 150㎛ 이상 300㎛ 미만인 입자, 입도 300㎛ 이상 600㎛ 미만인 입자, 및 입도 600㎛ 이상 850㎛ 이하인 입자의 4분(分)으로 분급하는 단계를 포함하는 고흡수성 수지의 제조방법. - 제1항에 있어서, 상기 함수겔 중합체의 표면을 처리한 후에, 함수겔 중합체를 분쇄하고 입도 150 내지 850㎛의 입자로 분급하는 단계를 더 포함하는 고흡수성 수지의 제조 방법.
- 제1항에 있어서,
상기 함수겔 중합체의 건조 단계 전에, 중합된 이후의 함수겔 중합체를 입도가 1mm 내지 15mm로 분쇄하는 단계를 더 포함하는 고흡수성 수지의 제조 방법. - 제1항에 있어서, 상기 중합은 UV 중합 또는 열중합을 진행하는 것인 고흡수성 수지의 제조 방법.
- 제1항에 있어서, 상기 수용성 에틸렌계 불포화 단량체는
아크릴산, 메타아크릴산, 무수말레인산, 푸말산, 크로톤산, 이타콘산, 2-아크릴로일에탄 술폰산, 2-메타아크릴로일에탄술폰산, 2-(메타)아크릴로일프로판술폰산, 및 2-(메타)아크릴아미드-2-메틸 프로판 술폰산으로 이루어진 군에서 선택된 1종 이상의 음이온성 단량체 또는 이의 염;
(메타)아크릴아미드, N-치환(메타)아크릴레이트, 2-히드록시에틸(메타)아크릴레이트, 2-히드록시프로필(메타)아크릴레이트, 메톡시폴리에틸렌글리콜(메타)아크릴레이트 및 폴리에틸렌 글리콜(메타)아크릴레이트로 이루어진 군에서 선택된 1종 이상의 비이온계 친수성 함유 단량체; 또는
(N,N)-디메틸아미노에틸(메타)아크릴레이트 및 (N,N)-디메틸아미노프로필(메타)아크릴아미드로 이루어진 군에서 선택된 1종 이상의 아미노기 함유 불포화 단량체 또는 그의 4급화물을 포함하는, 고흡수성 수지의 제조 방법. - 제1항에 있어서, 상기 중합개시제는 아조계 개시제, 과산화물계 개시제, 레독스계 개시제, 유기 할로겐화물 개시제, 아세토페논, 벤조인, 벤조페논, 벤질 및 이의 유도체로 이루어진 군에서 선택되는 어느 하나인 고흡수성 수지의 제조 방법.
- 제1항에 있어서, 모노머 조성물은 가교제를 더 포함하는 고흡수성 수지의 제조 방법.
- 제1항에 있어서, 상기 고흡수성 수지는
하기 수학식 1로 표시되는 스팬값(SPAN)이 1.2 이하이고,
하기 수학식 2로 표시되는 가압상태에서의 흡수속도의 조건을, 동시에 만족하는, 고흡수성 수지의 제조 방법:
[수학식 1]
SPAN = [D(90%)-D(10%)]/D(50%) ≤ 1.2
상기 수학식 1에서,
D(90%)는 레이저 입도 분석기를 사용한 EDANA 법 WSP 220.2. 입도분석방법으로 고흡수성 수지의 각 입자의 입도를 분석하여 입자경 순서로 나열하였을 때, 입자경 순서로 가장 작은 입자로부터 누적이 90%가 되는 입자경이고,
D(10%)는 레이저 입도 분석기를 사용한 EDANA 법 WSP 220.2. 입도분석방법으로 고흡수성 수지의 각 입자의 입도를 분석하여 입자경 순서로 나열하였을 때, 입자경 순서로 가장 작은 입자로부터 누적이 10%가 되는 입자경이고,
D(50%)는 레이저 입도 분석기를 사용한 EDANA 법 WSP 220.2. 입도분석방법으로 고흡수성 수지의 각 입자의 입도를 분석하여 입자경 순서로 나열하였을 때, 입자경 순서로 가장 작은 입자로부터 누적이 50%가 되는 입자경이고,
[수학식 2]
1.0 > ARUL = AUP (10min)/AUP (60min) > 0.70
상기 수학식 2에서,
ARUL는 가압하에서의 흡수속도(Absorbing rate under load)이고, AUP (10min)는 10분까지 가압시의 하기 수학식 3으로 표시되는 가압 흡수능 (AUP: Absorbency under Pressure) 값이고, AUP (60min)는 60분까지 가압시의 하기 수학식 3으로 표시되는 가압 흡수능 값이고,
[수학식 3]
AUP (g/g) = [Wb(g) - Wa(g)]/ 흡수성 수지의 질량 (g)
상기 수학식 3에서,
Wa(g)는 흡수성 수지의 무게 및 상기 흡수성 수지에 하중을 부여할 수 있는 장치 무게의 총합이고,
Wb(g)는 하중(0.7 psi) 하에 10분 또는 60분의 소정 시간 동안 상기 흡수성 수지에 수분을 공급한 후의 수분이 흡수된 흡수성 수지의 무게 및 상기 흡수성 수지에 하중을 부여할 수 있는 장치 무게의 총합이다. - 제15항에 있어서, 상기 고흡수성 수지는, 산성기를 포함하고 적어도 일부가 중화된 수용성 에틸렌계 불포화 단량체의 가교 중합체를 포함하는 베이스 수지 분말과,
상기 베이스 수지 분말의 가교 중합체가 탄소수 2 내지 8의 디올 또는 글리콜계 화합물을 포함한 표면 가교제로 가교되어 있는 가교 중합체를 포함하고, 상기 각 베이스 수지 분말 상에 형성되어 있는 표면 가교층을 포함하는 고흡수성 수지의 제조 방법. - 제15항에 있어서, 상기 베이스 수지 분말은 300 내지 600 미크론의 입자경을 갖는 베이스 수지 분말을 전체 베이스 수지 분말에 대해 50 중량% 이상 포함하는 고흡수성 수지의 제조 방법.
- 제15항에 있어서, 상기 베이스 수지 분말은 600 내지 850 미크론의 입자경을 갖는 베이스 수지 분말을 전체 베이스 수지 분말에 대해 7 중량% 이상 포함하고, 150 내지 300 미크론의 입자경을 갖는 베이스 수지 분말을 전체 베이스 수지 분말에 대해 7 중량% 이상 포함하는 고흡수성 수지의 제조 방법.
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EP2826807A4 (en) | 2016-03-30 |
CN104334614A (zh) | 2015-02-04 |
US10086361B2 (en) | 2018-10-02 |
CN105524207B (zh) | 2018-12-11 |
CN105524206A (zh) | 2016-04-27 |
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JP2015515534A (ja) | 2015-05-28 |
KR101447656B1 (ko) | 2014-10-07 |
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CN105524206B (zh) | 2018-06-22 |
WO2013162255A3 (ko) | 2013-12-12 |
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US9517446B2 (en) | 2016-12-13 |
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DE202013012035U1 (de) | 2015-02-09 |
US20160361704A1 (en) | 2016-12-15 |
KR101582241B1 (ko) | 2016-01-06 |
US20150087742A1 (en) | 2015-03-26 |
CN104334614B (zh) | 2016-05-25 |
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