KR100273169B1 - 기능성 폴리우레탄 하이드로겔의 제조방법 - Google Patents
기능성 폴리우레탄 하이드로겔의 제조방법 Download PDFInfo
- Publication number
- KR100273169B1 KR100273169B1 KR1019980020286A KR19980020286A KR100273169B1 KR 100273169 B1 KR100273169 B1 KR 100273169B1 KR 1019980020286 A KR1019980020286 A KR 1019980020286A KR 19980020286 A KR19980020286 A KR 19980020286A KR 100273169 B1 KR100273169 B1 KR 100273169B1
- Authority
- KR
- South Korea
- Prior art keywords
- polyurethane
- peg
- water swelling
- hydrogel
- swelling degree
- Prior art date
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Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
-
- 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
- C08J2207/00—Foams characterised by their intended use
- C08J2207/10—Medical applications, e.g. biocompatible scaffolds
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Description
고분자 | 전단응력(MPa) | 변형율(%) | 탄성(MPa) | |
PEG 분자량 | MDI : PEG | |||
3400 | 2 : 1 | 8.13 | 1240 | 19.46 |
3400 | 3 : 1 | 7.28 | 856 | 13.54 |
3400 | 4 : 1 | 5.28 | 591 | 5.17 |
3400 | 5 : 1 | 2.85 | 158 | 2.73 |
4600 | 2 : 1 | 16.71 | 1856 | 32.87 |
4600 | 3 : 1 | 13.51 | 1533 | 25.49 |
4600 | 4 : 1 | 8.68 | 954 | 14.47 |
4600 | 5 : 1 | 6.66 | 674 | 10.50 |
고분자 | 전단응력(MPa) | 변형율(%) | 탄성(MPa) | ||
PEG 분자량 | MDI : PEG | 수팽윤도(시간) | |||
3400 | 2 : 1 | 9.04 | 0.7235 | 434.56 | 0.2998 |
3400 | 3 : 1 | 6.15 | 0.6486 | 253.90 | 0.4189 |
3400 | 4 : 1 | 4.35 | 0.3976 | 86.43 | 0.6021 |
3400 | 5 : 1 | 3.23 | 0.2678 | 32.33 | 0.8460 |
4600 | 2 : 1 | 10.20 | 0.9756 | 687.45 | 0.2576 |
4600 | 3 : 1 | 7.27 | 0.8304 | 463.80 | 0.3097 |
4600 | 4 : 1 | 5.35 | 0.6596 | 118.70 | 0.5107 |
4600 | 5 : 1 | 3.51 | 0.5676 | 93.16 | 0.8040 |
Claims (2)
- 폴리우레탄을 이용한 하이드로겔에 있어서, 폴리올과 디이소시아네이트를 고온에서 열적가교시켜 우레탄 결합과 알로판네이트를 동시에 형성시키는 것을 특징으로 하는 기능성 폴리우레탄 하이드로겔의 제조방법.
- 제 1항에 있어서, 폴리올은 폴리에틸렌글리콜(Polyethylene Glycol) 분자량이 3,400과 4,600인 것을 사용하고, 디이소시아네이트는 메틸렌비스페닐이소시아네이트(Methylenebis-Phenyl-Isocyanate)를 사용하여 80℃의 온도에서 반응시키는 것을 특징으로 하는 기능성 폴리우레탄 하이드로 겔의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980020286A KR100273169B1 (ko) | 1998-06-01 | 1998-06-01 | 기능성 폴리우레탄 하이드로겔의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980020286A KR100273169B1 (ko) | 1998-06-01 | 1998-06-01 | 기능성 폴리우레탄 하이드로겔의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000000603A KR20000000603A (ko) | 2000-01-15 |
KR100273169B1 true KR100273169B1 (ko) | 2000-12-01 |
Family
ID=19538091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980020286A KR100273169B1 (ko) | 1998-06-01 | 1998-06-01 | 기능성 폴리우레탄 하이드로겔의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100273169B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100838809B1 (ko) | 2007-05-03 | 2008-06-17 | 성균관대학교산학협력단 | 겔강도가 우수한 온도 및 피에치 민감성 블록 공중합체 및이의 제조방법과 이를 이용한 약물전달체 |
-
1998
- 1998-06-01 KR KR1019980020286A patent/KR100273169B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20000000603A (ko) | 2000-01-15 |
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