KR970064696A - Manufacturing method of reverse osmosis composite membrane - Google Patents

Manufacturing method of reverse osmosis composite membrane Download PDF

Info

Publication number
KR970064696A
KR970064696A KR1019960005752A KR19960005752A KR970064696A KR 970064696 A KR970064696 A KR 970064696A KR 1019960005752 A KR1019960005752 A KR 1019960005752A KR 19960005752 A KR19960005752 A KR 19960005752A KR 970064696 A KR970064696 A KR 970064696A
Authority
KR
South Korea
Prior art keywords
reverse osmosis
composite membrane
osmosis composite
content
polar
Prior art date
Application number
KR1019960005752A
Other languages
Korean (ko)
Inventor
임대우
김순식
김권일
박종상
Original Assignee
박홍기
제일합섬 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 박홍기, 제일합섬 주식회사 filed Critical 박홍기
Priority to KR1019960005752A priority Critical patent/KR970064696A/en
Publication of KR970064696A publication Critical patent/KR970064696A/en

Links

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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • 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
    • B01D67/0006—Organic membrane manufacture by chemical reactions
    • 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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/216—Surfactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/15—Use of additives
    • B01D2323/218—Additive materials
    • B01D2323/2182—Organic additives
    • B01D2323/21839—Polymeric additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/219—Specific solvent system
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

본 발명은 높은 염배제율과 투과수량을 갖는 수용액 분리용 역삼투 복합막을 얻음을 목적으로 하며, 미세다공기질 표면에 방향족 다관능성 폴리아민, 극성 비양성자성 용매, 계면활성제 및 폴리비닐로 구성된 아민혼합 용액을 도포시키고 표면을 건조시킨 후 그 위에 다관능성 산할로겐 화합물 용액을 계면중합시켜서 얻는 가교 폴리아미드계 역삼투 복합막에 제조방법에 관한 것으로, 그 기술구성은 방향족 다관능성 폴리아민을 무게기준 0.5∼ 5.0%, 극성 비야성자성 용매를 0.5~15.0%, 음이온계면활성제0.05∼ 5%, 폴리비닐알콜0.01∼ 5.0%로 구성된 아민혼합액을 미세다공기질의 표면에 도포하고 이를 건조시킨 후 그 위에 다관능성 산할로겐 화합물 용액으로 계면중합시켜서 얻는다.An object of the present invention is to provide a reverse osmosis composite membrane for separating an aqueous solution having a high salt rejection rate and a permeated water, and a method for producing a reverse osmosis composite membrane which comprises mixing an aromatic polyfunctional polyamine, a polar aprotic solvent, The present invention relates to a process for preparing a crosslinked polyamide reverse osmosis composite membrane by applying a solution, drying the surface, and interfacial polymerization of a polyfunctional acid halide compound solution on the surface, An amine mixed solution composed of 5.0% to 5.0% of polar and non-polar solvent, 0.5 to 15.0% of an anionic surfactant, 0.05 to 5% of an anionic surfactant and 0.01 to 5.0% of polyvinyl alcohol is applied to the surface of the microporous air, dried, Is obtained by interfacial polymerization with an acid halide compound solution.

Description

역삼투 복합막의 제조방법Manufacturing method of reverse osmosis composite membrane

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

Claims (5)

미세다공 기질의 표면에 방향족 다관능성 폴리아민과 극성 비양성자성 용매를 함유하는 수용액을 도포시키고 표면을 건조시킨 후, 다관능성 산할로겐 화합물 용액을 계면 중합시켜 얻는 가교 역삼투 복합막을 제조하는 방법에 있어서, 방향족 다관능성 폴리아민의 함량을 무게기준으로 0.5∼5.0%로 하고, 극성 비양성자성 용매의 함량을 0.5∼15.0%, 음이온 계면활성제의 함량을 0.05∼5%, 폴리비닐알콜의 함량이 0.01∼5.0%인 아민혼합용액을 기질의 표면에 도포함을 특징으로 하는 역삼투 복합막의 제조방법.A method for preparing a crosslinked reverse osmosis composite membrane obtained by applying an aqueous solution containing an aromatic polyfunctional polyamine and a polar aprotic solvent to the surface of a microporous substrate and drying the surface of the microporous substrate followed by interfacial polymerization of the polyfunctional acid halide solution , The content of the aromatic polyfunctional polyamine is 0.5 to 5.0% by weight, the content of the polar aprotic solvent is 0.5 to 15.0%, the content of the anionic surfactant is 0.05 to 5%, the content of the polyvinyl alcohol is 0.01 to 10% 5.0% of a mixed solution of amine is applied to the surface of the substrate. 제1항에 있어서. 방향족 다관능성 폴리아민이 메타페닐렌 디아민, 파라페닐렌디아민, 트리아미드벤젠에서 선택된 1정 또는 그 이상의 혼합물임을 특징으로 하는 역삼투 복합막의 제조방법.The method of claim 1, Wherein the aromatic polyfunctional polyamine is a mixture of one or more selected from metaphenylenediamine, paraphenylenediamine, and triamidobenzene. 제1항에 있어서, 극성 비양서 자성용매는 N,N-디메틸포름아미드, N-메틸피를리돈, N,N-디케틸아세트아미드, 아세토니트릴,N,N-디메틸프로피온아미드, 술포란, 술포렌, 디옥산, 피리딘, 2-피롤리돈에서 선택된 1종 또는 그 이상의 혼합물임을 특징으로 하는 역삼투 복합막의 제조방법.The process of claim 1, wherein the polar apolar solvent is selected from the group consisting of N, N-dimethylformamide, N-methylpyrrolidone, N, N-dicetylacetamide, acetonitrile, N, N-dimethylpropionamide, Wherein the mixture is one or more selected from sulfolane, dioxane, pyridine, and 2-pyrrolidone. 제1항에 있어서, 폴리비닐알콜은 분자량이 10,000∼100,000이고, 가수분해 정도가 90%이상인 것을 특징으로 하는 역삼투 복합막의 제조방법.The process for producing a reverse osmosis composite membrane according to claim 1, wherein the polyvinyl alcohol has a molecular weight of 10,000 to 100,000 and a degree of hydrolysis of 90% or more. 제1항에 있어서, 계면활성제는 음이온 계면활성제를 사용함을 특징으로 하는 역삼투 복합막의 제조방법.The method of claim 1, wherein the surfactant is an anionic surfactant. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960005752A 1996-03-06 1996-03-06 Manufacturing method of reverse osmosis composite membrane KR970064696A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960005752A KR970064696A (en) 1996-03-06 1996-03-06 Manufacturing method of reverse osmosis composite membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960005752A KR970064696A (en) 1996-03-06 1996-03-06 Manufacturing method of reverse osmosis composite membrane

Publications (1)

Publication Number Publication Date
KR970064696A true KR970064696A (en) 1997-10-13

Family

ID=66221666

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960005752A KR970064696A (en) 1996-03-06 1996-03-06 Manufacturing method of reverse osmosis composite membrane

Country Status (1)

Country Link
KR (1) KR970064696A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000051527A (en) * 1999-01-22 2000-08-16 한형수 Method for the preparation of the high flux and semi-permeation reverse osmosis membrane
KR100477587B1 (en) * 1998-11-09 2005-07-18 주식회사 새 한 Polyamide Composite Membrane Manufacturing Method
WO2019143225A1 (en) * 2018-01-22 2019-07-25 고려대학교 산학협력단 Method for manufacturing high-performance thin film composite separation membrane through post-solution treatment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100477587B1 (en) * 1998-11-09 2005-07-18 주식회사 새 한 Polyamide Composite Membrane Manufacturing Method
KR20000051527A (en) * 1999-01-22 2000-08-16 한형수 Method for the preparation of the high flux and semi-permeation reverse osmosis membrane
WO2019143225A1 (en) * 2018-01-22 2019-07-25 고려대학교 산학협력단 Method for manufacturing high-performance thin film composite separation membrane through post-solution treatment

Similar Documents

Publication Publication Date Title
US5160619A (en) Composite reverse osmosis membrane and production thereof
KR950031920A (en) Reconcentration method of excess spray from one-part coating composition
CA1338335C (en) Interfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the same
US5658460A (en) Use of inorganic ammonium cation salts to maintain the flux and salt rejection characteristics of reverse osmosis and nanofiltration membranes during drying
US10040032B2 (en) Complex nanofiltration membrane and the preparation thereof
US5576057A (en) Method of producing high permeable composite reverse osmosis membrane
US4948507A (en) Interfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the same
DK0503596T3 (en) Process for producing a semi-permeable composite membrane
CA2297594A1 (en) Composite solvent resistant nanofiltration membranes
US20030066796A1 (en) Composite nanofiltration and reverse osmosis membranes and method for producing the same
KR900001397A (en) Composite membranes and methods for their preparation and use
KR970009859A (en) Polymer dope solution and an asymmetric single membrane for gas separation prepared therefrom
WO2014204218A2 (en) Polyamide-based water-treatment separation membrane having excellent salt removal rate and permeation flux characteristics and method for manufacturing same
DE60016889D1 (en) Composite reverse osmosis membranes and process for their preparation
CN112007524B (en) Preparation method of high-flux nanofiltration membrane based on aqueous two-phase system
CN109847597B (en) High-flux high-desalination reverse osmosis membrane and preparation method thereof
US5051182A (en) Hydrophobic microporus membrane
KR970064696A (en) Manufacturing method of reverse osmosis composite membrane
ATE40952T1 (en) COMPOSITE MATERIAL, PROCESS FOR ITS PRODUCTION AND ITS USE IN OSMOTIC PURIFICATION OF LIQUIDS.
US4751104A (en) Preparation of gas selective membranes
KR0170072B1 (en) Method for manufacturing polyamide nano composite membrane
KR20020065781A (en) Composite polyamide reverse osmosis membrane and producing method of the same
KR102155930B1 (en) Water treatment membrane and method for manufacturing the same
US5221482A (en) Polyparabanic acid membrane for selective separation
KR970000295A (en) Tubular organic-inorganic complex pervaporation membrane and permeation evaporation apparatus comprising the same

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application