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KR920016133A - Separation of hydrogen from gas mixture using semipermeable membrane consisting mainly of polycarbonate derived from tetrahalobisphenol - Google Patents

Separation of hydrogen from gas mixture using semipermeable membrane consisting mainly of polycarbonate derived from tetrahalobisphenol Download PDF

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Publication number
KR920016133A
KR920016133A KR1019910003170A KR910003170A KR920016133A KR 920016133 A KR920016133 A KR 920016133A KR 1019910003170 A KR1019910003170 A KR 1019910003170A KR 910003170 A KR910003170 A KR 910003170A KR 920016133 A KR920016133 A KR 920016133A
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KR
South Korea
Prior art keywords
hydrogen
bisphenol
weight
bromine
membrane
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Application number
KR1019910003170A
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Korean (ko)
Inventor
에스. 샌더스 에드가
씨 오버맨 3세 다나
Original Assignee
리챠드 지. 워터맨
더 다우 케미칼 캄파니
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Application filed by 리챠드 지. 워터맨, 더 다우 케미칼 캄파니 filed Critical 리챠드 지. 워터맨
Priority to KR1019910003170A priority Critical patent/KR920016133A/en
Publication of KR920016133A publication Critical patent/KR920016133A/en

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  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

내용 없음No content

Description

8[발명의 명칭]8 [name of invention]

테트라할로비스페놀로부터 유도된 폴리카보네이트로 주로이루어진반침투성Semipermeable mainly consisting of polycarbonates derived from tetrahalobisphenol

막을 사용하여 기체 혼합물로부터 수소를 분리시키는 방법Separation of Hydrogen from Gas Mixtures Using Membranes

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

Claims (10)

(A) 일반식(I)에 상응하는 비스페놀로부터 유도된 폴리카보네이트 중합체를 주로 이루어진 얇은 식별층을 포함하는 반침투성 막을 한 쪽을 압력하에서 수소를 함유하는 피이드 기체 혼합물과 접촉시키고(여기에서, 이러한 막은 분리실을 피이드 기체 혼합물이 공급되는 고압 쪽 및 저압 쪽으로 분할시킨다.), (B) 막을 통해 막의 고압 쪽으로부터 저압쪽으로 수소가 선택적으로 침투하도록 하는 조건하에서 막을 횡단하는 압력 차이를 유지시키고, (C) 막의 저압 쪽으로부터 수소가 풍부한 침투 기체를 제거하고, (D) 막의 고압쪽으로부터 수소가 부족한 비침투 기체를 제거함을 특징으로 하여, 기체 혼합물로부터 수소를 분리시키는 방법.(A) A semipermeable membrane comprising a thin discriminant layer consisting primarily of a polycarbonate polymer derived from bisphenol corresponding to formula (I) is brought into contact with one side under pressure with a feed gas mixture containing hydrogen (where such The membrane divides the separation chamber into the high pressure side and the low pressure side to which the feed gas mixture is supplied. C) removing hydrogen-rich penetrating gas from the low pressure side of the membrane and (D) removing non-invasive gas lacking hydrogen from the high pressure side of the membrane, thereby separating hydrogen from the gas mixture. 상기식에서, 각각은 R은 독립적으로 수소, 염소, 브롬 또는 C-4알콜이고, R1은 -CO-, -S-, -SO2-, -O-, C-62가 탄화수소 래디칼, C-62가 불화탄소 래디칼 또는 불활성의 치환된 C₁-62가 탄화수소 래디칼이고, 단, 식별층에 존재하는 비스페놀로부터 유도된 25중량% 이상의 잔기는 주로 브롬 또는 염소인 R그룹을 포함하고, 여기에서 막의 수소 및 경 탄화수소 사이의 분리 팩터는 25℃의 온도에서 25이상이다.Wherein each R is independently hydrogen, chlorine, bromine or C - and 4 alcohol, R 1 is -CO-, -S-, -SO 2 -, -O-, C ₁ - 6 2 is a hydrocarbon radical , C VII - 6 divalent fluorocarbon radical or inert substituted CVII- 6 divalent hydrocarbon radical, provided that at least 25% by weight of residues derived from bisphenol present in the identification layer comprise R group which is mainly bromine or chlorine Wherein the separation factor between hydrogen and light hydrocarbons in the membrane is at least 25 at a temperature of 25 ° C. 제1항에 있어서, 식별층에 존재하는 비스페놀로 부터 유도된 50내지 100중량%의 잔기가 주로 브롬 또는 염소인 R그룹을 포함하는 방법.The method of claim 1, wherein 50 to 100% by weight of residues derived from bisphenol present in the identification layer comprise an R group which is predominantly bromine or chlorine. 제1항에 있어서, R1이 C₁-62가 탄화수소 래디칼인 방법.The method of claim 1, wherein R 1 is C ₁- 6 divalent hydrocarbon radical. 제1항에 있어서, 얇은 식별층이 하기 일반식 (a)의 비스페놀 50내지 100중량%및 하기 일반식 (b)의 비스페놀 0내지 50중량%로 부터 유도된 폴리 카보네이트 중합체로 주로 이루어진 방법.The process according to claim 1, wherein the thin discriminant layer consists mainly of polycarbonate polymers derived from 50 to 100% by weight of bisphenol of formula (a) and 0 to 50% by weight of bisphenol of formula (b). 상기식에서, R1은 C₁-62가 탄화수소 래디칼이고, R²는 C₁-4알킬이며, X는 염소 또는 브롬이다.Wherein R 1 is C₁- 6 divalent hydrocarbon radical, R² is C₁- 4 alkyl and X is chlorine or bromine. 제3항에 있어서, 식별층에 존재하는 일반식(I)의 화합물로부터 유도된 100중량%의 잔기가 주로 브롬또는 염소인 R 그룹을 포함하는 방법.4. The method of claim 3, wherein 100% by weight of the residue derived from the compound of formula (I) present in the identification layer comprises an R group which is predominantly bromine or chlorine. 제2항에 있어서, 식별층에 존재하는 일반식(I)의 화합물로 부터 유도된 35중량%이상의 잔기가 주로 브롬인 R그룹을 포함하고, 여기에서 수소및 경 탄화수소의 25℃에서의 분리 팩터가 100이상인 방법.The separation factor according to claim 2, wherein at least 35% by weight of the residue derived from the compound of formula (I) present in the identification layer comprises an R group, mainly bromine, wherein the separation factor at 25 ° C. of hydrogen and light hydrocarbons Is more than 100. 제8항에 있어서, 수소의 침투도가 5Ba이상인 방법.The method of claim 8, wherein the hydrogen penetration is at least 5 Ba. 제1항에 있어서, 비스페놀이 테트라브로모 비스페놀 A인 방법.The method of claim 1 wherein the bisphenol is tetrabromo bisphenol A. 제6항에 있어서, 피이드 기체 혼합물의 접촉 온도가 0내지 150℃인 방법.The method of claim 6, wherein the contact temperature of the feed gas mixture is between 0 and 150 ° C. 8. 제1항에 있어서, 막을 접촉시키기 전에 30내지 250℃의 온도에서 어닐링시키는 방법.The method of claim 1, wherein the film is annealed at a temperature of 30 to 250 ° C. prior to contacting the membrane. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910003170A 1991-02-27 1991-02-27 Separation of hydrogen from gas mixture using semipermeable membrane consisting mainly of polycarbonate derived from tetrahalobisphenol KR920016133A (en)

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KR1019910003170A KR920016133A (en) 1991-02-27 1991-02-27 Separation of hydrogen from gas mixture using semipermeable membrane consisting mainly of polycarbonate derived from tetrahalobisphenol

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Application Number Priority Date Filing Date Title
KR1019910003170A KR920016133A (en) 1991-02-27 1991-02-27 Separation of hydrogen from gas mixture using semipermeable membrane consisting mainly of polycarbonate derived from tetrahalobisphenol

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