KR20030038551A - 가수분해 안정성이 향상된 폴리아미드 막 및 이의 제조방법 - Google Patents
가수분해 안정성이 향상된 폴리아미드 막 및 이의 제조방법 Download PDFInfo
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- KR20030038551A KR20030038551A KR1020027016453A KR20027016453A KR20030038551A KR 20030038551 A KR20030038551 A KR 20030038551A KR 1020027016453 A KR1020027016453 A KR 1020027016453A KR 20027016453 A KR20027016453 A KR 20027016453A KR 20030038551 A KR20030038551 A KR 20030038551A
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- 239000012528 membrane Substances 0.000 title claims abstract description 158
- 239000004952 Polyamide Substances 0.000 title claims abstract description 155
- 229920002647 polyamide Polymers 0.000 title claims abstract description 155
- 238000000034 method Methods 0.000 title claims abstract description 80
- 230000007062 hydrolysis Effects 0.000 title claims abstract description 15
- 238000006460 hydrolysis reaction Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 230000001747 exhibiting effect Effects 0.000 title description 2
- 239000002904 solvent Substances 0.000 claims abstract description 86
- 229920000642 polymer Polymers 0.000 claims abstract description 58
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 41
- 239000003381 stabilizer Substances 0.000 claims abstract description 33
- 238000000465 moulding Methods 0.000 claims abstract description 30
- 238000005191 phase separation Methods 0.000 claims abstract description 28
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 26
- 239000002826 coolant Substances 0.000 claims abstract description 24
- 239000012071 phase Substances 0.000 claims abstract description 14
- 239000007791 liquid phase Substances 0.000 claims abstract description 12
- 239000004953 Aliphatic polyamide Substances 0.000 claims abstract description 7
- 229920003231 aliphatic polyamide Polymers 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 150000001875 compounds Chemical class 0.000 claims description 34
- 230000001954 sterilising effect Effects 0.000 claims description 30
- 238000004659 sterilization and disinfection Methods 0.000 claims description 30
- 239000000203 mixture Substances 0.000 claims description 25
- 229940126062 Compound A Drugs 0.000 claims description 19
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 18
- OKOBUGCCXMIKDM-UHFFFAOYSA-N Irganox 1098 Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NCCCCCCNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 OKOBUGCCXMIKDM-UHFFFAOYSA-N 0.000 claims description 14
- 239000012456 homogeneous solution Substances 0.000 claims description 13
- 229920002292 Nylon 6 Polymers 0.000 claims description 12
- 238000007711 solidification Methods 0.000 claims description 12
- 230000008023 solidification Effects 0.000 claims description 12
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000012298 atmosphere Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 230000008961 swelling Effects 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims 1
- 230000005587 bubbling Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 52
- 238000012360 testing method Methods 0.000 description 22
- 239000011148 porous material Substances 0.000 description 17
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 15
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 15
- 239000012510 hollow fiber Substances 0.000 description 12
- 230000003301 hydrolyzing effect Effects 0.000 description 12
- 239000000945 filler Substances 0.000 description 9
- 229920006045 Akulon® Polymers 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 8
- 238000000354 decomposition reaction Methods 0.000 description 8
- 238000006731 degradation reaction Methods 0.000 description 8
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 8
- 238000011282 treatment Methods 0.000 description 8
- 239000002202 Polyethylene glycol Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 229920001223 polyethylene glycol Polymers 0.000 description 7
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 239000012736 aqueous medium Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 229920002582 Polyethylene Glycol 600 Polymers 0.000 description 5
- 238000005266 casting Methods 0.000 description 5
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 description 5
- 239000008187 granular material Substances 0.000 description 5
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 4
- 229920000572 Nylon 6/12 Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 235000019253 formic acid Nutrition 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 229930188620 butyrolactone Natural products 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
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- 239000000463 material Substances 0.000 description 3
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- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010587 phase diagram Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 2
- 238000002166 wet spinning Methods 0.000 description 2
- KMZHZAAOEWVPSE-UHFFFAOYSA-N 2,3-dihydroxypropyl acetate Chemical compound CC(=O)OCC(O)CO KMZHZAAOEWVPSE-UHFFFAOYSA-N 0.000 description 1
- DMHHYBUEZRZGDK-UHFFFAOYSA-N 2-(3,5-ditert-butyl-4-hydroxyphenyl)propanamide Chemical class NC(=O)C(C)C1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 DMHHYBUEZRZGDK-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004347 Glyceryl monoacetate Substances 0.000 description 1
- 229920003620 Grilon® Polymers 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 229920000571 Nylon 11 Polymers 0.000 description 1
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 229920000604 Polyethylene Glycol 200 Polymers 0.000 description 1
- 229920002556 Polyethylene Glycol 300 Polymers 0.000 description 1
- 229920002565 Polyethylene Glycol 400 Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001891 gel spinning Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 235000019442 glyceryl monoacetate Nutrition 0.000 description 1
- 239000001087 glyceryl triacetate Substances 0.000 description 1
- 235000013773 glyceryl triacetate Nutrition 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 238000012667 polymer degradation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000002145 thermally induced phase separation Methods 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 239000003021 water soluble solvent Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0018—Thermally induced processes [TIPS]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/56—Polyamides, e.g. polyester-amides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/22—Thermal or heat-resistance properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/30—Chemical resistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/34—Molecular weight or degree of polymerisation
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Dispersion Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Moulding By Coating Moulds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims (24)
- 용매 시스템 10 내지 90중량% 및 당해 용매 속에 존재하는 지방족 폴리아미드 10 내지 90중량%로 이루어진 균질한 용액을 제조하는 단계(a)(여기서, 지방족 폴리아미드와 용매 시스템과의 혼합물은 임계 해혼합 온도 및 고화 온도를 갖고 액체 상태에서 임계 해혼합 온도 미만에서 혼화성 갭을 나타낸다),제조된 균질한 용액을 다이(이의 온도는 임계 해혼합 온도를 초과한다)에서 성형물로 성형시키는 단계(b),성형물을 고화 온도 미만의 냉각 온도로 조절된 냉각 매질을 사용하여 냉각시키는 단계(c)[이때, 냉각 속도는 중합체가 풍부한 상과 중합체가 부족한 상으로의 열역학적 비평형 액체-액체 상 분리가 발생하는 속도이고, 성형물의 온도가 고화 온도 미만으로 강하하는 경우는 중합체가 풍부한 상이 후속적으로 막 구조물로 서 고화된다] 및용매 시스템을 성형물로부터 제거하는 단계(d)를 포함하는, 가수분해 안정성 폴리아미드 막의 제조방법으로서,제조된 균질한 용액이 폴리아미드용 안정제로서 산화방지제를 함유하고, 산화방지제 및 용매 시스템이, 산화방지제가 상 분리 온도에서 용매 시스템에 필수적으로 불용성이도록 선택됨을 특징으로 하는 방법.
- 제1항에 있어서, 화합물 A와 화합물 B와의 혼합물이 용매 시스템으로서 사용되고, 화합물 A가 폴리아미드용 용매이고, 화합물 B가 폴리아미드용 비용매, 폴리아미드를 용해시키지만 폴리아미드를 용해시키는 온도가 화합물 A가 폴리아미드를 용해시키는 온도보다 50℃ 이상 높은 용매인 용매 또는 폴리아미드용 팽윤제임을 특징으로 하는 방법.
- 제1항 또는 제2항에 있어서, 용매 시스템이 수용성임을 특징으로 하는 방법.
- 제1항 내지 제3항 중의 어느 한 항에 있어서, 물이 냉각 매질로서 사용됨을 특징으로 하는 방법.
- 제1항 내지 제4항 중의 어느 한 항에 있어서, 수평균 분자량이 20000 내지 60000달톤인 폴리아미드가 사용됨을 특징으로 하는 방법.
- 제1항 내지 제5항 중의 어느 한 항에 있어서, 생성된 폴리아미드 막의 130℃ 이상의 온도에서의 과열 증기 살균을 막 구조의 변화없이 허용하는 폴리아미드가 사용됨을 특징으로 하는 방법.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 폴리아미드-6이 사용됨을 특징으로 하는 방법.
- 제1항 내지 제7항 중의 어느 한 항에 있어서, 안정제가 먼저 건조 블렌드 형태의 중합체와 혼합되고 이와 함께 용융된 후, 용매 시스템과의 균질한 용액이 제조됨을 특징으로 하는 방법.
- 제1항 내지 제8항 중의 어느 한 항에 있어서, 입체 장애 페놀이 산화방지제로서 선택됨을 특징으로 하는 방법.
- 제9항에 있어서, 선택된 입체 장애 페놀이 펜타에리트리톨 테트라키스(3-(3,5-디-3급-부틸-4-하이드록시페닐)프로피오네이트(CAS no. 6683-19-8), 3,3',3',5,5',5'-헥사-3급-부틸-α,α',α'-(메시틸렌-2,4,6-트리일)트리-p-크레졸(CAS no. 1709-70-2) 또는 N,N'-헥산-1,6-디일비스(3-(3,5-디-3급-부틸-4-하이드록시페닐프로피온아미드))(CAS no. 23128-74-7)임을 특징으로 하는 방법.
- 제1항 내지 제10항 중의 어느 한 항에 있어서, 산화방지제의 농도가, 폴리아미드를 기준으로 하여, 0.01 내지 5중량%임을 특징으로 하는 방법.
- 제11항에 있어서, 산화방지제의 농도가, 폴리아미드를 기준으로 하여, 0.05 내지 2중량%임을 특징으로 하는 방법.
- 가수분해 안정성을 향상시키기 위한 안정제로서 산화방지제를 함유함을 특징으로 하는, 지방족 폴리아미드를 기본으로 하는 가수분해 안정성이 향상된 폴리아미드 막.
- 제13항에 있어서, 공기 포화된 80℃의 물에 침지시키는 경우, 기계적 안정성의 손실없이 유효 수명이 100시간 이상임을 특징으로 하는, 폴리아미드 막.
- 제14항에 있어서, 공기 포화된 80℃의 물에 침지시키는 경우, 기계적 안정성의 손실없이 유효 수명이 200시간 이상임을 특징으로 하는, 폴리아미드 막.
- 제13항에 있어서, 대기중의 산소의 존재하에 10회 이상의 반복 주기(각각 지속 시간 1시간) 동안 기계적 안정성의 손실없이 125℃ 이상의 온도에서의 반복된 과열 증기 살균을 견딤을 특징으로 하는, 폴리아미드 막.
- 제13항 내지 제16항 중의 어느 한 항에 있어서, 막 속의 안정제의 농도가 0.01 내지 5중량%임을 특징으로 하는, 폴리아미드 막.
- 제17항에 있어서, 안정제의 농도가 0.05 내지 2중량%임을 특징으로 하는 폴리아미드 막.
- 제13항 내지 제18항 중의 어느 한 항에 있어서, 산화방지제가 입체 장애 페놀임을 특징으로 하는, 폴리아미드 막.
- 제19항에 있어서, 입체 장애 페놀이 펜타에리트리톨 테트라키스(3-(3,5-디-3급-부틸-4-하이드록시페닐)프로피오네이트(CAS no. 6683-19-8), 3,3',3',5,5',5'-헥사-3급-부틸-α,α',α'-(메시틸렌-2,4,6-트리일)트리-p-크레졸(CAS no. 1709-70-2) 또는 N,N'-헥산-1,6-디일비스(3-(3,5-디-3급-부틸-4-하이드록시페닐프로피온아미드))(CAS no. 23128-74-7)임을 특징으로 하는, 폴리아미드 막.
- 제13항 내지 제20항 중의 어느 한 항에 있어서, 필수적으로 수평균 분자량이 20000 내지 60000달톤인 폴리아미드로 이루어짐을 특징으로 하는, 폴리아미드 막.
- 제13항 내지 제21항 중의 어느 한 항에 있어서, 필수적으로 막 구조의 변화없이 130℃ 이상의 온도에서의 과열 증기 살균을 견디는 폴리아미드로 이루어짐을 특징으로 하는, 폴리아미드 막.
- 제13항 내지 제22항 중의 어느 한 항에 있어서, 필수적으로 폴리아미드-6으로 이루어짐을 특징으로 하는, 폴리아미드 막.
- 제13항 내지 제23항 중의 어느 한 항에 있어서, 제1항 내지 제12항 중의 어느 한 항에 따르는 방법으로 제조된 폴리아미드 막.
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PCT/EP2001/005918 WO2001093994A1 (de) | 2000-06-03 | 2001-05-23 | Polyamidmembran mit erhöhter hydrolysestabilität und verfahren zu ihrer herstellung |
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EP (1) | EP1289636B1 (ko) |
JP (2) | JP4808902B2 (ko) |
KR (1) | KR100802348B1 (ko) |
CN (1) | CN1214854C (ko) |
AT (1) | ATE297799T1 (ko) |
AU (1) | AU2001269034A1 (ko) |
DE (1) | DE50106526D1 (ko) |
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ES2242754T3 (es) | 2005-11-16 |
US7201860B2 (en) | 2007-04-10 |
JP2011200863A (ja) | 2011-10-13 |
CN1431926A (zh) | 2003-07-23 |
EP1289636A1 (de) | 2003-03-12 |
AU2001269034A1 (en) | 2001-12-17 |
JP2003534908A (ja) | 2003-11-25 |
EP1289636B1 (de) | 2005-06-15 |
DE50106526D1 (de) | 2005-07-21 |
ATE297799T1 (de) | 2005-07-15 |
WO2001093994A8 (de) | 2004-03-04 |
WO2001093994A1 (de) | 2001-12-13 |
CN1214854C (zh) | 2005-08-17 |
KR100802348B1 (ko) | 2008-02-13 |
JP4808902B2 (ja) | 2011-11-02 |
US20030159984A1 (en) | 2003-08-28 |
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