KR950010943A - Manufacturing Method of Polyimide Separator - Google Patents

Manufacturing Method of Polyimide Separator Download PDF

Info

Publication number
KR950010943A
KR950010943A KR1019930022558A KR930022558A KR950010943A KR 950010943 A KR950010943 A KR 950010943A KR 1019930022558 A KR1019930022558 A KR 1019930022558A KR 930022558 A KR930022558 A KR 930022558A KR 950010943 A KR950010943 A KR 950010943A
Authority
KR
South Korea
Prior art keywords
polyimide
polyimide resin
bis
pyrrolidone
preparing
Prior art date
Application number
KR1019930022558A
Other languages
Korean (ko)
Other versions
KR960012028B1 (en
Inventor
박광우
탁태문
Original Assignee
김준웅
주식회사 선경인더스트리
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 김준웅, 주식회사 선경인더스트리 filed Critical 김준웅
Priority to KR1019930022558A priority Critical patent/KR960012028B1/en
Publication of KR950010943A publication Critical patent/KR950010943A/en
Application granted granted Critical
Publication of KR960012028B1 publication Critical patent/KR960012028B1/en

Links

Classifications

    • 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
    • B01D67/0011—Casting solutions therefor
    • B01D67/00111—Polymer pretreatment in the casting solutions
    • 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
    • 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
    • B01D2323/218—Additive materials
    • B01D2323/2182—Organic additives
    • B01D2323/21839—Polymeric additives
    • B01D2323/2187—Polyvinylpyrolidone
    • 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

Abstract

본 발명은 폴리이미드 분리막의 제조방법에 관한 것으로서, 더욱 상세하게는 폴리이미드 단량체들을 용매하에서 직접 이미드화시키는 1단계 방법으로 폴리 이미드를 제조하고 이를 캐스팅하여 재현성이 우수하고 다양한 형태의 내유기용매성 폴리이미드 분리막을 제조하는 방법에 관한 것이다.The present invention relates to a method for preparing a polyimide separator, and more particularly, to prepare a polyimide by casting a polyimide monomer directly in a solvent and casting the polyimide in a one-step method to excellent reproducibility and various types of organic solvents The present invention relates to a method for producing a soluble polyimide separator.

Description

폴리이미드 분리막의 제조방법Manufacturing Method of Polyimide Separator

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

제1도는 본 발명의 폴리이미드 분리막을 물에 침지시킨 후의 막의 단면구조에 대한 주사현미경 사진(503X)이고,1 is a scanning micrograph (503X) of the cross-sectional structure of the membrane after the polyimide membrane of the present invention is immersed in water,

제2도는 본 발명의 폴리이미드 분리 막을 n-헥산에 침지시킨 후의 막의 단면구조에 대한 주사현미경 사진이고,2 is a scanning micrograph of the cross-sectional structure of the membrane after immersing the polyimide separation membrane of the present invention in n - hexane,

제3도는 본 발명의 폴리이미드 분리막을 메탄올에 침지시킨 후의 막의 단면구조에 대한 주사현미경 사진이고,3 is a scanning micrograph of the cross-sectional structure of the membrane after immersing the polyimide membrane of the present invention in methanol,

제4도는 본 발명의 폴리이미드 분리막을 벤젠에 침지시킨 후의 막의 단면구조에 대한 주사현미경 사진이고,4 is a scanning micrograph of the cross-sectional structure of the membrane after immersing the polyimide membrane of the present invention in benzene,

제5도는 본 발명의 폴리이미드 분리막을 아세톤에 침지시킨 후의 막의 단면구조에 대한 주사현미경 사진이다.5 is a scanning micrograph of the cross-sectional structure of the membrane after the polyimide membrane of the present invention is immersed in acetone.

Claims (3)

폴리이미드 분리막을 제조하는데 있어서, 디안하이드라이드 성분으로서 4,4'-옥시디프탈릭 안하이드라이드, 4,4'-비프탈릭 안하이드라이드 또는 4-(2,5-디옥시테트라하이드퓨릴-3-일)-테트랄린-1,2-디카르복실릭 안하이드라이드를 사용하고, 디아민 성분으로서는 α,α-비스(4-아미노페닐)-1,4-디이소프로필벤젠, 2,2'-비스(4-아미노페녹시-페닐)프로판 또는 비스[4-(3-아미노페녹시)페닐]술폰을 사용하여 용매하에 중합하여 폴리이미드 수지를 제조한 후, 상기 폴리이미드 수지를 N-메틸-2-피롤리돈에 용해하고 폴리비닐 피롤리돈을 첨가하여 제조함을 특징으로 하는 폴리이미드 분리막의 제조방법.In preparing a polyimide membrane, 4,4'-oxydiphthalic anhydride, 4,4'-biphthalic anhydride or 4- (2,5-dioxytetrahydrfuryl-3) as a dianhydride component -Yl) -tetralin-1,2-dicarboxylic anhydride, and as the diamine component, α, α-bis (4-aminophenyl) -1,4-diisopropylbenzene, 2,2 After polymerization in a solvent using '-bis (4-aminophenoxy-phenyl) propane or bis [4- (3-aminophenoxy) phenyl] sulfone to prepare a polyimide resin, the polyimide resin was N- A method for producing a polyimide separation membrane, which is prepared by dissolving in methyl-2-pyrrolidone and adding polyvinyl pyrrolidone. 제1항에 있어서, 상기 폴리이미드 수지 제조시 용매로서는 벤조니트릴 또는 니트로벤젠을 사용함을 특징으로 하는 폴리이미드 분리막의 제조방법.The method of claim 1, wherein benzonitrile or nitrobenzene is used as a solvent when preparing the polyimide resin. 제1항에 있어서, 상기 폴리이미드 수지를 N-메틸-2-피롤리돈에 대하여 20∼25중량% 첨가함을 특징으로 하는 폴리이미드 분리막의 제조방법.The method of claim 1, wherein the polyimide resin is added in an amount of 20 to 25 wt% based on N-methyl-2-pyrrolidone. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930022558A 1993-10-28 1993-10-28 Manufacturing method of polyimide separation membrane KR960012028B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930022558A KR960012028B1 (en) 1993-10-28 1993-10-28 Manufacturing method of polyimide separation membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930022558A KR960012028B1 (en) 1993-10-28 1993-10-28 Manufacturing method of polyimide separation membrane

Publications (2)

Publication Number Publication Date
KR950010943A true KR950010943A (en) 1995-05-15
KR960012028B1 KR960012028B1 (en) 1996-09-11

Family

ID=19366778

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930022558A KR960012028B1 (en) 1993-10-28 1993-10-28 Manufacturing method of polyimide separation membrane

Country Status (1)

Country Link
KR (1) KR960012028B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100591068B1 (en) * 2004-09-03 2006-06-19 주식회사 코오롱 Flexible Copper-Clad Laminate and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100591068B1 (en) * 2004-09-03 2006-06-19 주식회사 코오롱 Flexible Copper-Clad Laminate and manufacturing method thereof

Also Published As

Publication number Publication date
KR960012028B1 (en) 1996-09-11

Similar Documents

Publication Publication Date Title
US3345342A (en) Process for preparing polyimide polymers
US4981497A (en) Amine-modified polyimide membranes
CA1206308A (en) Process for modifying porous polymeric membrane
Tanihara et al. Pervaporation of organic liquid mixtures through membranes of polyimides containing methyl-substituted phenylenediamine moieties
JPS6153086B2 (en)
KR950004150B1 (en) Laminates utilizing chemically etchable adhesives
JPS57170936A (en) Preparation of porous polyimide film
PT87515B (en) METHOD FOR PREPARING POLY-IMIDA MEMBRANES FOR GAS SEPARATION
JPS6153103B2 (en)
KR900009674A (en) A process for separating organometallic compounds and / or metal carbonyls from their organic medium solution
DE69736555D1 (en) Microporous membranes and process for their preparation
KR920019902A (en) Heat-resistant adhesive and bonding method using this adhesive
KR900018218A (en) Polyimide resin solution composition
KR910000961A (en) Polyimide Polymers and Copolymers Using 3,5-diaminobenzotrifluoride
KR950010943A (en) Manufacturing Method of Polyimide Separator
KR910004712A (en) Composition for protecting semiconductor device
JPS641705A (en) Novel optical material
KR890011914A (en) Macroporous, Asymmetric, and Hydrophilic Polyaramid Membranes
KR970706889A (en) HYDROPHILIC FILM AND PROCESS FOR PRODUCING THE SAME
KR900003303A (en) Thermosetting Resin Composition
KR900003257A (en) Filter membrane material having excellent organic solvent resistance, method for forming the filter membrane, and method for producing bismaleimide polymer used in the filter membrane material
ATE179435T1 (en) POLYAMIDE SOLUTION COMPOSITIONS AND METHOD FOR PRODUCING
EP0454158A1 (en) Polyamic acid composite, polyimide composite and processes for producing the same
KR890000559A (en) Norbornene dicarboximide polymer
KR960701146A (en) p-DINITROSO BENZOLE

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20120820

Year of fee payment: 17

EXPY Expiration of term