Title:
【発明の名称】ポリ(フェニレンスルフィド)(PPS)の微孔性中空繊維又はフィルム膜
Document Type and Number:
Japanese Patent JPH07500527
Kind Code:
A
Abstract:
2115826 9304223 PCTABS00020 The present invention relates to a process for preparing a microporous permselective membrane from a poly(phenylene sulfide) (PPS) polymer, an organic compound which substantially solubilizes the PPS below its melting point to form a homogenous mixture, heating the resulting mixture, extruding or casting the mixture into a membrane (fiber or film), quenching or coagulating the membrane, and leaching the membrane, while optionally drawing the membrane before, during, after leaching, or a combination thereof. In one embodiment, the solvent optionally includes an organic non-solvent to assist in obtaining the desired microporosity. The permselective polymers are useful to separate gaseous or liquid components from a mixture of components.
Inventors:
Beck, Henry N
Robert Di Mahonei
One, Hawk S
Chow, Chung
Finney, Timothy M
Wesling, Rich Air
Kawamoto Jiro
Sonenschen, Mark F
Robert Di Mahonei
One, Hawk S
Chow, Chung
Finney, Timothy M
Wesling, Rich Air
Kawamoto Jiro
Sonenschen, Mark F
Application Number:
JP51586091A
Publication Date:
January 19, 1995
Filing Date:
August 17, 1991
Export Citation:
Assignee:
THE DOW CHEMICAL COMPANY
International Classes:
B01D67/00; B01D71/66; C08J5/18; C08J9/28; C08L81/02; D01D5/06; D01D5/24; D01D5/247; D01F6/00; D01F6/76; (IPC1-7): B01D71/66; C08J9/28; C08L81/02; D01D5/06; D01D5/24; D01F6/00; D01F6/76
Attorney, Agent or Firm:
Takehiko Saito