BR0007614A - Processo para a preparação de uma membranahidrofóbica integralmente assimétrica com umaestrutura de suporte microporosa de porosabertos, membrana hidrofóbica, e, utilização damembrana - Google Patents

Processo para a preparação de uma membranahidrofóbica integralmente assimétrica com umaestrutura de suporte microporosa de porosabertos, membrana hidrofóbica, e, utilização damembrana

Info

Publication number
BR0007614A
BR0007614A BR0007614-7A BR0007614A BR0007614A BR 0007614 A BR0007614 A BR 0007614A BR 0007614 A BR0007614 A BR 0007614A BR 0007614 A BR0007614 A BR 0007614A
Authority
BR
Brazil
Prior art keywords
membrane
asymmetric
compound
preparation
hydrophobic
Prior art date
Application number
BR0007614-7A
Other languages
English (en)
Other versions
BR0007614B1 (pt
Inventor
Erich Kessler
Thomas Batzilla
Friedbert Wechs
Frank Wiese
Original Assignee
Membrana Gmbh
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 Membrana Gmbh filed Critical Membrana Gmbh
Publication of BR0007614A publication Critical patent/BR0007614A/pt
Publication of BR0007614B1 publication Critical patent/BR0007614B1/pt

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
    • 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
    • B01D67/0018—Thermally induced processes [TIPS]
    • 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
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • 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
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • 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
    • B01D69/08—Hollow fibre membranes
    • 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
    • B01D71/26—Polyalkenes
    • B01D71/262—Polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/02—Details relating to pores or porosity of the membranes
    • B01D2325/022—Asymmetric membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Artificial Filaments (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

"PROCESSO PARA A PREPARAçãO DE UMA MEMBRANA HIDROFóBICAINTEGRALMENTE ASSIMéTRICA COM UMA ESTRUTURA DESUPORTE MICROPOROSA DE POROS ABERTOS, MEMBRANAHIDROFóBICA, E, UTILIZAçãO DA MEMBRANA". Processo paraa preparação de membranas poliolefínicas hidrofóbicasintegralmente assimétricas com camada de separação,principalmente para a troca de gases por meio de separação defases líquido-líquido induzida termicamente. Uma solução de pelomenos uma poliolefina em um sistema de solvente, constituída deum composto A e um composto B, e extrudada a um corpomoldado. O composto A é um solvente forte e o composto B é umnão-solvente fraco para o polímero. Após deixar a tubeira, o corpomoldado é resfriado com um meio refrigerante sólido ou líquido, quenão dissolve o polímero e que não reage quimicamente com omesmo, até à separação de fases e solidificação da fase rica empolímero. A membrana integralmente assimétrica apresenta umaporosidade maior que 30 % em volume até 75 % em volume, umacamada de suporte microporosa de poros abertos, semelhante aesponja, sem macroporos e com, em média, poros isotrópicos,apresentando sobre pelo menos uma de suas superfícies umacamada de separação com, no máximo, poros <100 nm e um fatorde separação de gás <244>(CO~ 2~/N~ 2~) de pelo menos 1. Amembrana é empregada, de preferência, para a oxigenação desangue.
BRPI0007614-7A 1999-01-21 2000-01-19 processo de preparação de membrana hidrofóbica integralmente assimétrica, e, membrana hidrofóbica. BR0007614B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19901999 1999-01-21
PCT/EP2000/000393 WO2000043114A1 (de) 1999-01-21 2000-01-19 Integral asymmetrische polyolefinmembran

Publications (2)

Publication Number Publication Date
BR0007614A true BR0007614A (pt) 2001-10-30
BR0007614B1 BR0007614B1 (pt) 2010-10-19

Family

ID=7894761

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0007614-7A BR0007614B1 (pt) 1999-01-21 2000-01-19 processo de preparação de membrana hidrofóbica integralmente assimétrica, e, membrana hidrofóbica.

Country Status (13)

Country Link
US (1) US6497752B1 (pt)
EP (1) EP1144096B1 (pt)
JP (1) JP4996011B2 (pt)
KR (1) KR100654083B1 (pt)
CN (1) CN1141169C (pt)
AT (1) ATE250971T1 (pt)
AU (1) AU748844B2 (pt)
BR (1) BR0007614B1 (pt)
CA (1) CA2359050C (pt)
DE (1) DE50003895D1 (pt)
DK (1) DK1144096T3 (pt)
ES (1) ES2204513T3 (pt)
WO (1) WO2000043114A1 (pt)

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CN114733363B (zh) * 2021-01-07 2023-10-31 杭州费尔新材料有限公司 一种聚烯烃气体交换膜的制备工艺
CN114733360A (zh) * 2021-01-07 2022-07-12 杭州费尔新材料有限公司 一种聚烯烃中空纤维膜的制备方法
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Also Published As

Publication number Publication date
DK1144096T3 (da) 2004-02-09
US6497752B1 (en) 2002-12-24
CA2359050A1 (en) 2000-07-27
EP1144096B1 (de) 2003-10-01
ES2204513T3 (es) 2004-05-01
WO2000043114A1 (de) 2000-07-27
BR0007614B1 (pt) 2010-10-19
ATE250971T1 (de) 2003-10-15
CN1141169C (zh) 2004-03-10
AU2665100A (en) 2000-08-07
EP1144096A1 (de) 2001-10-17
JP2002535115A (ja) 2002-10-22
KR20010102984A (ko) 2001-11-17
JP4996011B2 (ja) 2012-08-08
CN1336848A (zh) 2002-02-20
CA2359050C (en) 2007-05-29
KR100654083B1 (ko) 2006-12-07
DE50003895D1 (de) 2003-11-06
AU748844B2 (en) 2002-06-13

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B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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Owner name: 3M INNOVATIVE PROPERTIES COMPANY (US)

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