KR940018130A - Composite separator - Google Patents

Composite separator Download PDF

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Publication number
KR940018130A
KR940018130A KR1019940000355A KR19940000355A KR940018130A KR 940018130 A KR940018130 A KR 940018130A KR 1019940000355 A KR1019940000355 A KR 1019940000355A KR 19940000355 A KR19940000355 A KR 19940000355A KR 940018130 A KR940018130 A KR 940018130A
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KR
South Korea
Prior art keywords
composite
porous
separator
polyvinyl alcohol
membrane
Prior art date
Application number
KR1019940000355A
Other languages
Korean (ko)
Inventor
유끼오 야나가
이사오 곤노
교꼬 가와이
데쓰오 가사이
Original Assignee
미야베 요시까즈
미쓰비시가세이 가부시끼가이샤
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Application filed by 미야베 요시까즈, 미쓰비시가세이 가부시끼가이샤 filed Critical 미야베 요시까즈
Publication of KR940018130A publication Critical patent/KR940018130A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/36—Pervaporation; Membrane distillation; Liquid permeation
    • B01D61/362—Pervaporation
    • 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
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • 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
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1213—Laminated layers
    • 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
    • B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
    • B01D71/381—Polyvinylalcohol
    • 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
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • 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
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • B01D71/641—Polyamide-imides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific permeability or cut-off range
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/54—Interpenetration relationship between layers in supported or composite membranes

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

본 발명은 25℃에서 10분간 물에 담근후에 팽윤도가 100% 이하인 아세토아세틸화 폴리비틸 알콜의 박충이 위에 제공되어 있는 다공성 분리막으로 구성되는, 퍼베이퍼레이션에 의해 액체 혼합물을 분리하기 위한 복합 분리막에 관한 것이다.The present invention relates to a composite membrane for separating a liquid mixture by pervaporation, consisting of a porous membrane provided with a hopper of acetoacetylated polyvinyl alcohol having a swelling degree of 100% or less after soaking in water at 25 ° C. for 10 minutes. It is about.

Description

복합 분리막Composite separator

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (17)

25℃에서 10분간 물에 담근후에 팽윤도가 100% 이하인 아세토아세틸화 폴리비틸 알콜의 박충이 위에 제공되어 있는 다공성 분리막으로 구성되는, 퍼베이레이션에 의해 액체 혼합물을 분리하기 위한 복합 분리막.A composite separator for separating a liquid mixture by pervasion, consisting of a porous separator provided with a mortar of acetoacetylated polybityl alcohol having a swelling degree of 100% or less after soaking in water at 25 ° C. for 10 minutes. 제 1 항에 있어서, 상기 아세토아세틸화 폴리비닐 알콜이 100℃의 뜨거운 물로 처리후에 70wt% 이상의 불용물 함량을 갖는 복합 분리막.The composite membrane of claim 1, wherein the acetoacetylated polyvinyl alcohol has an insoluble content of 70 wt% or more after treatment with hot water at 100 ° C. 3. 제 1 항에 있어서, 상기 아세토아세틸호 폴리비닐 알콜이 가교 결합되는 복합 분리막.The composite separator according to claim 1, wherein the acetoacetyl-polyvinyl alcohol is crosslinked. 제 1 항에 있어서, 상기 다공성 분리막이 물/이소프로필 알콜=13/87wt%의 액체 혼합물을 사용하여 퍼베이퍼레이션 평가법으로 80℃에서 측정시 1,000g/㎡·Hr 이상의 투과속도를 갖는 복합 분리막.The composite separator according to claim 1, wherein the porous separator has a permeation rate of 1,000 g / m 2 · Hr or more as measured at 80 ° C. using a pervaporation evaluation method using a liquid mixture of water / isopropyl alcohol = 13/87 wt%. 제 1 항에 있어서, 상기 다공성 분리막의 기공에 상기 아세토아세틸화 폴리비닐 알콜의 일부분 이상이 침투되는 복합 분리막.The composite membrane of claim 1, wherein at least a portion of the acetoacetylated polyvinyl alcohol penetrates into pores of the porous membrane. 제 1 항에 있어서, 상기 다공성 분리막의 가공에 상기 미세 다공성 필름의 투과속도보다 높은 투과속도를 갖는 고분자 중합체가 침투되는 복합 분리막.The composite membrane of claim 1, wherein a polymer polymer having a permeation rate higher than that of the microporous film penetrates into the porous membrane. 제 6 항에 있어서, 상기 고분자 중합체가 폴리비닐 알콜인 복합 분리막.The composite separator according to claim 6, wherein the high polymer is polyvinyl alcohol. 제 6 항에 있어서, 상기 고분자 중합체가 아세토아세틸화 폴리비닐 알콜인 복합 분리막.The composite separator according to claim 6, wherein the high polymer is acetoacetylated polyvinyl alcohol. 제 1 항에 있어서, 상기 다공성 분리막이 방향족 폴리이미드, 방향족 폴리아미드-이미드 또는 그의 혼합물인 복합 분리막.The composite separator according to claim 1, wherein the porous separator is an aromatic polyimide, an aromatic polyamide-imide, or a mixture thereof. 제 2 항에 있어서, 상기 아세토아세틸화 폴리비닐 알콜이 가교 결합되는 복합 분리막.The composite membrane of claim 2, wherein the acetoacetylated polyvinyl alcohol is crosslinked. 제 2 항에 있어서, 상기 다공성 분리막이 물/이소프로필 알콜=13/87wt%의 액체 혼합물을 사용하여 퍼베이퍼레이션 평가법으로 80℃에서 측정시 1,000g/㎡·Hr 이상의 투과속도를 갖는 복합 분리막.The composite separator according to claim 2, wherein the porous separator has a permeation rate of 1,000 g / m 2 · Hr or more as measured at 80 ° C. using a pervaporation evaluation method using a liquid mixture of water / isopropyl alcohol = 13/87 wt%. 제 3 항에 있어서, 상기 다공성 분리막이 물/이소프로필 알콜=13/87wt%의 액체 혼합물을 사용하여 퍼베이퍼레이션 평가법으로 80℃에서 측정시 1,000g/㎡·Hr 이상의 투과속도를 갖는 복합 분리막.The composite separator according to claim 3, wherein the porous separator has a permeation rate of at least 1,000 g / m 2 · Hr as measured at 80 ° C. using a pervaporation evaluation method using a liquid mixture of water / isopropyl alcohol = 13/87 wt%. 제 2 항에 있어서, 상기 다공성 분리막의 기공에 상기 아세토아세틸화 폴리비닐 알콜의 일부분 이상이 침투되는 복합 분리막.The composite membrane of claim 2, wherein at least a portion of the acetoacetylated polyvinyl alcohol penetrates into pores of the porous membrane. 제 3 항에 있어서, 상기 다공성 분리막의 기공에 상기 아세토아세틸화 폴리비닐 알콜의 일부분 이상이 침투되는 복합 분리막.4. The composite membrane of claim 3, wherein at least a portion of the acetoacetylated polyvinyl alcohol penetrates into pores of the porous membrane. 제 2 항에 있어서, 상기 다공성 분리막의 기공에 상기 다공성 분리막의 투과속도보다 높은 투과속도를 갖는 고분자 중합체가 침투되는 복합 분리막.The composite membrane of claim 2, wherein a polymer polymer having a permeation rate higher than that of the porous separator permeates into pores of the porous separator. 제 3 항에 있어서, 상기 다공성 분리막의 기공에 상기 다공성 분리막의 투과속도보다 높은 투과속도를고분자 중합체가 침투되는 복합 분리막.The composite membrane of claim 3, wherein the polymer polymer penetrates the pores of the porous separator with a permeation rate higher than that of the porous separator. 제10항에 있어서, 상기 다공성 분리막이 물/이소프로필 알콜=13/87wt%의 액체 혼합물을 사용하여 퍼베이퍼레이션 평가법으로 80℃에서 측정시 1,000g/㎡·Hr 이상의 투과속도를 갖는 복합 분리막.The composite separator according to claim 10, wherein the porous separator has a permeation rate of 1,000 g / m 2 · Hr or more when measured at 80 ° C. using a pervaporation evaluation method using a liquid mixture of water / isopropyl alcohol = 13/87 wt%. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940000355A 1993-01-11 1994-01-11 Composite separator KR940018130A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP93-2714 1993-01-11
JP271493 1993-01-11

Publications (1)

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KR940018130A true KR940018130A (en) 1994-08-16

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