KR20080080361A - 촉매 코팅 막의 제조방법 - Google Patents
촉매 코팅 막의 제조방법 Download PDFInfo
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- KR20080080361A KR20080080361A KR1020087016612A KR20087016612A KR20080080361A KR 20080080361 A KR20080080361 A KR 20080080361A KR 1020087016612 A KR1020087016612 A KR 1020087016612A KR 20087016612 A KR20087016612 A KR 20087016612A KR 20080080361 A KR20080080361 A KR 20080080361A
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- 239000003054 catalyst Substances 0.000 title claims abstract description 158
- 239000012528 membrane Substances 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000012982 microporous membrane Substances 0.000 claims abstract description 58
- 239000011347 resin Substances 0.000 claims abstract description 45
- 229920005989 resin Polymers 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000006185 dispersion Substances 0.000 claims description 59
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 14
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 11
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 11
- -1 polyethylene terephthalate Polymers 0.000 claims description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 7
- 229910017052 cobalt Inorganic materials 0.000 claims description 6
- 239000010941 cobalt Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 229910052707 ruthenium Inorganic materials 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
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- 239000004745 nonwoven fabric Substances 0.000 claims description 3
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- 229910000531 Co alloy Inorganic materials 0.000 claims 4
- 229910000929 Ru alloy Inorganic materials 0.000 claims 4
- DSVGQVZAZSZEEX-UHFFFAOYSA-N [C].[Pt] Chemical compound [C].[Pt] DSVGQVZAZSZEEX-UHFFFAOYSA-N 0.000 claims 1
- CLBRCZAHAHECKY-UHFFFAOYSA-N [Co].[Pt] Chemical compound [Co].[Pt] CLBRCZAHAHECKY-UHFFFAOYSA-N 0.000 claims 1
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- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
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- 230000002411 adverse Effects 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
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- 235000010582 Pisum sativum Nutrition 0.000 description 1
- 240000004713 Pisum sativum Species 0.000 description 1
- NLMBNVBBHYNBQY-UHFFFAOYSA-N [C].[Ru] Chemical compound [C].[Ru] NLMBNVBBHYNBQY-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- UQSQSQZYBQSBJZ-UHFFFAOYSA-N fluorosulfonic acid Chemical compound OS(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000120 polyethyl acrylate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000000988 reflection electron microscopy Methods 0.000 description 1
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
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- B01D67/0079—Manufacture of membranes comprising organic and inorganic components
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Abstract
Description
Claims (20)
- 미세다공성 막을 촉매 분산 용액에 1차 노출시켜 촉매 함유 미세다공성 막을 형성시키는 단계;상기 촉매 함유 미세다공성 막을 수지 분산 용액에 2차 노출시켜 촉매 층을 형성시키는 단계; 및상기 촉매 층 두 개 사이에 양자 교환 막을 위치시켜 촉매 코팅 막을 형성시키는 단계로 이루어진 촉매 코팅 막의 제조방법.
- 제1항에 있어서, 상기 미세다공성 막의 두께가 3 내지 20 마이크로미터인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 미세기공의 직경이 0.5 내지 2.0 마이크로미터인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 미세다공성 막의 기공도가 70 내지 95 %인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 촉매 분산 용액이 촉매, 알코올 및 물로 구성된 것을 특징으로 하는 방법.
- 제5항에 있어서, 상기 촉매 : 알코올 : 물의 중량비가 1 : 10 내지 500 : 0 내지 50인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 촉매가 나노-백금, 나노-금, 나노-루테늄, 나노-은, 나노-코발트, 나노-백금-루테늄 합금, 나노-백금-코발트 합금, 탄소 상에 지지된 나노-백금, 탄소 상에 지지된 나노-금, 탄소 상에 지지된 나노-루테늄, 탄소 상에 지지된 나노-은, 탄소 상에 지지된 나노-코발트, 탄소 상에 지지된 나노-백금-루테늄 합금 및 탄소 상에 지지된 나노-백금-코발트 합금으로 구성된 군으로부터 선택된, 촉매 특성을 갖는 1 종 이상의 화학물질인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 1차 노출 단계가 촉매 분산 용액을 미세다공성 막 우에 코팅하는 것임을 특징으로 하는 방법.
- 제1항에 있어서, 상기 1차 노출 단계가 0.01 내지 0.1 mPa의 진공하에서 수행되는 것임을 특징으로 하는 방법.
- 제1항에 있어서, 상기 촉매 함유 미세다공성 막 중의 촉매의 양이 0.1 내지 0 mg/cm2인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 1차 노출 단계 이후에 촉매 함유 미세다공성 막을 30 내지 150 ℃에서 건조시키는 단계를 추가하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 수지 분산 용액이 1 종 이상의 수지와 1 종 이상의 용매를 포함하고, 수지 분산 용액 중 수지의 농도가 0.01 내지 3 중량%인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 수지 분산 용액이 1 종 이상의 수지를 포함하고, 미세다공성 막 중 수지의 농도가 0.03 내지 20 mg/cm2인 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 2차 노출 단계가 촉매 함유 미세다공성 막 상에 수지 분산 용액을 코팅하는 것임을 특징으로 하는 방법.
- 제14항에 있어서, 상기 2차 노출 단계가 0.01 내지 0.1 mPa의 진공하에서 수행되는 것임을 특징으로 하는 방법.
- 제15항에 있어서, 상기 2차 노출 단계 이후에, 촉매 층을 25 내지 200℃에서 건조하는 단계를 추가로 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 미세다공성 막이 PET(폴리에틸렌 테레프탈레이트) 펠트, 폴리프로필렌 펠트, 폴리에틸렌 네트 또는 PET 부직포로 구성된 군으로부터 선택된 지지체에 의해 지지되고, 상기 지지체가 촉매 층 두 개 사이에 양자 교환 막을 위치시키는 단계 전에 제거되는 것을 특징으로 하는 방법.
- 제1항에 있어서, 상기 촉매 층 두 개 사이에 양자 교환 막을 위치시키는 단계 이후에, 촉매 코팅 막이 고온-압착되거나 이중-로울러 고온-압착되는 것을 특징으로 하는 방법.
- 미세다공성 막을 촉매 분산 용액에 1차 노출시켜 촉매 함유 미세다공성 막을 형성시키는 단계;상기 촉매 함유 미세다공성 막을 수지 분산 용액에 2차 노출시켜 촉매 층을 형성시키는 단계; 및상기 촉매 층 두 개 사이에 양자 교환 막을 위치시켜 촉매 코팅 막을 형성시키는 단계로 이루어지고;상기 미세다공성 막의 두께가 3 내지 20 마이크로미터이며;상기 미세기공의 직경이 0.5 내지 2.0 마이크로미터이고;상기 미세다공성 막의 다공도가 70 내지 95%인 것을 특징으로 하는 촉매 코팅 막의 제조방법.
- 0.01 내지 0.1 mPa의 진공하에서 미세다공성 막을 촉매 분산 용액으로 코팅하여 촉매 함유 미세다공성 막을 형성시키는 단계;상기 촉매 함유 미세다공성 막을 30 내지 150℃에서 건조시키는 단계;0.01 내지 0.1 mPa의 진공하에서 상기 건조된 촉매 함유 미세다공성 막을 수지 분산 용액으로 코팅하여 촉매 층을 형성시키는 단계;25 내지 200℃에서 상기 촉매 층을 건조시키는 단계; 및상기 촉매 층 두 개 사이에 양자 교환 막을 위치시켜 촉매 코팅 막을 형성시키는 단계로 이루어지고; 상기 미세다공성 막의 두께가 3 내지 20 마이크로미터이며, 미세기공의 직경이 0.5 내지 2.0 마이크로미터이고, 미세다공성 막의 다공도가 70 내지 95%이며;상기 촉매가 나노-백금, 나노-금, 나노-루테늄, 나노-은, 나노-코발트, 나노-백금-루테늄 합금, 나노-백금-코발트 합금, 탄소 상에 지지된 나노-백금, 탄소 상에 지지된 나노-금, 탄소 상에 지지된 나노-루테늄, 탄소 상에 지지된 나노-은, 탄소 상에 지지된 나노-코발트, 탄소 상에 지지된 나노-백금-루테늄 합금 및 탄소 상에 지지된 나노-백금-코발트 합금으로 구성된 군으로부터 선택된, 촉매 특성을 갖는 1 종 이상의 화학물질로부터 선택되고;상기 촉매 함유 미세다공성 막 중의 촉매의 양이 0.1 내지 0 mg/cm2이며;상기 수지 분산 용액이 1 종 이상의 수지와 1 종 이상의 용매를 포함하고;상기 수지 분산 용액 중 수지의 농도가 0.01 내지 3 중량%이며;상기 미세다공성 막 중 수지의 농도가 0.03 내지 20 mg/cm2이고;상기 미세다공성 막이 PET(폴리에틸렌 테레프탈레이트) 펠트, 폴리프로필렌 펠트, 폴리에틸렌 네트 또는 PET 부직포로 구성된 군으로부터 선택된 지지체에 의해 지지되고, 상기 지지체가 촉매 층 두 개 사이에 양자 교환 막을 위치시키는 단계 전에 제거되는 것을 특징으로 하는 촉매 코팅 막의 제조방법.
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