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公开(公告)号：GB1292782A
公开(公告)日：1972-10-11
申请号：GB2225771
申请日：1971-04-19
Applicant: RHONE POULENC SA
Inventor： BOUCHILLOUX J , FABRE A , FAURE A
Abstract: 1292782 Vinylsilane polymer membranes RHONE-POULENC SA 19 April 1971 [3 March 1970] 22257/71 Heading B5B [Also in Divisions B1 B2 and C3] An anisotropic membrane comprises a vinyl di- or triorganosilane polymer which has a dense layer of 0À01-10Á thickness, and a porous layer of up to 500Á thickness wherein the pores constitute 25-80% of the total membrane volume. The membrane is made by casting a ternary solution in two solvents whose boiling points differ by at least 30 C. and a non-solvent which boils above the more volatile solvent, allowing at least a part of the more volatile solvent to evaporate, contacting the east layer with a non-solvent and finally drying the resulting membrane. By "dense layer" is meant a layer which exhibits a selective permeability to gases not more than 10% different from that of a conventionally cast film, and by "porous layer" is meant a layer exhibiting no selective gas permeability. In examples a polymer of vinyltrimethylsilane, optionally copolymerized with vinyldimethylpropylsilane, is used. Solvents specified are aromatic hydrocarbons and aliphatic halocarbons. Non-solvents specified are water, alcohols and ketones. The membranes are useful in enriching one component of gas mixtures.
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公开(公告)号：LU62700A1
公开(公告)日：1971-10-13
申请号：LU62700
申请日：1971-03-02
Applicant: RHONE POULENC SA
Inventor： BOUCHILLOUX J , FABRE A , FAURE A
Abstract: An anisotropic membrane is provided having excellent mechanical properties combined with good permeation characteristics which comprises a vinyltriorganosilane polymer or copolymer consisting of a dense layer, of average thickness between 0.01 and 10 mu , and a porous layer with open pores, of thickness up to 500 mu in which the volume of the interstitial spaces in the porous layer represents 20 to 80 percent of the total volume of the membrane.
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公开(公告)号：DE2110158C3
公开(公告)日：1979-06-28
申请号：DE2110158
申请日：1971-03-03
Applicant: RHONE POULENC SA
Inventor： BOUCHILLOUX J , FABRE A , FAURE A
Abstract: An anisotropic membrane is provided having excellent mechanical properties combined with good permeation characteristics which comprises a vinyltriorganosilane polymer or copolymer consisting of a dense layer, of average thickness between 0.01 and 10 mu , and a porous layer with open pores, of thickness up to 500 mu in which the volume of the interstitial spaces in the porous layer represents 20 to 80 percent of the total volume of the membrane.
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公开(公告)号：DE2110158B2
公开(公告)日：1978-11-02
申请号：DE2110158
申请日：1971-03-03
Applicant: RHONE POULENC SA
Inventor： BOUCHILLOUX J , FABRE A , FAURE A
Abstract: An anisotropic membrane is provided having excellent mechanical properties combined with good permeation characteristics which comprises a vinyltriorganosilane polymer or copolymer consisting of a dense layer, of average thickness between 0.01 and 10 mu , and a porous layer with open pores, of thickness up to 500 mu in which the volume of the interstitial spaces in the porous layer represents 20 to 80 percent of the total volume of the membrane.
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公开(公告)号：CS161124B2
公开(公告)日：1975-05-04
申请号：CS154671
申请日：1971-03-02
Applicant: RHONE POULENC SA
Inventor： BOUCHILLOUX J , FABRE A , FAURE A
Abstract: An anisotropic membrane is provided having excellent mechanical properties combined with good permeation characteristics which comprises a vinyltriorganosilane polymer or copolymer consisting of a dense layer, of average thickness between 0.01 and 10 mu , and a porous layer with open pores, of thickness up to 500 mu in which the volume of the interstitial spaces in the porous layer represents 20 to 80 percent of the total volume of the membrane.
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Patent Agency Ranking
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公开(公告)号：SE337116B
公开(公告)日：1971-07-26
申请号：SE425368
申请日：1968-03-29
Applicant: RHONE POULENC SA
IPC: C08F10/00 , C08L31/04 , C08L91/06 , C09D123/08 , C09D131/02 , C09D191/08 , C09J131/04 , C08H9/10 , C09J3/14
Abstract: 1,158,818. Coated substrates. RHONEPOULENC S.A. 29 March, 1968 [30 March, 1967], No. 15148/68. Heading B2E. [Also in Divisions C3 and C5] Kraft paper and other substrates are coated with a composition comprising paraffin wax, microcrystalline wax, and of a terpolymer of ethylene, vinyl acetate and vinyl stearate (see Example 3(a)).
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公开(公告)号：NL149708B
公开(公告)日：1976-06-15
申请号：NL7102398
申请日：1971-02-23
Applicant: RHONE POULENC SA
Inventor： BOUCHILLOUX J , FABRE A , FAURE A
IPC: B01D71/44 , C08F130/08 , C08J5/22 , B05D1/38 , C08J9/28 , C08L83/04 , B01D13/04 , B01D53/22 , B01D59/12
Abstract: An anisotropic membrane is provided having excellent mechanical properties combined with good permeation characteristics which comprises a vinyltriorganosilane polymer or copolymer consisting of a dense layer, of average thickness between 0.01 and 10 mu , and a porous layer with open pores, of thickness up to 500 mu in which the volume of the interstitial spaces in the porous layer represents 20 to 80 percent of the total volume of the membrane.
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公开(公告)号：ZA7204972B
公开(公告)日：1973-09-26
申请号：ZA7204972
申请日：1972-07-19
Applicant: RHONE POULENC SA
CPC classification number: C08J9/28 , B01D71/52 , B29C67/202 , C08J2371/12 , Y10T442/3854 , Y10T442/40 , Y10T442/674
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公开(公告)号：BR7309070D0
公开(公告)日：1974-08-29
申请号：BR907073
申请日：1973-11-20
Applicant: RHONE POULENC SA
IPC: B01D29/39 , B01D53/22 , B01D53/24 , B01D61/02 , B01D61/08 , B01D61/12 , B01D61/14 , B01D61/18 , B01D61/22 , B01D63/08 , B01D53/00
Abstract: Apparatus for separating fluids in which elementary cells each consisting of a porous disc with a membrane wall on each face are stacked in spaced apart relationship within a jacket, having an inlet for fluid to be treated and an outlet for the treated fluid. A central conduit is provided for extracting the fluid which has passed through the membrane walls, and the elementary cells are secured to this conduit, and the peripheries of the cells are spaced from the jacket to provide a flow passage. Baffles are interposed in the stack between each cell, and at the ends of the stack, the baffles having an aperture near the centre, so that the fluid is caused to flow alternately outwardly from the conduit and then inwardly towards the conduit again.
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