DE3866651D1 - Verbundmembranen aus p-xylylendiamid oder- diimid zur umkehrosmose. - Google Patents

Verbundmembranen aus p-xylylendiamid oder- diimid zur umkehrosmose.

Info

Publication number
DE3866651D1
DE3866651D1 DE8888308389T DE3866651T DE3866651D1 DE 3866651 D1 DE3866651 D1 DE 3866651D1 DE 8888308389 T DE8888308389 T DE 8888308389T DE 3866651 T DE3866651 T DE 3866651T DE 3866651 D1 DE3866651 D1 DE 3866651D1
Authority
DE
Germany
Prior art keywords
xylylenediamid
diimid
reverse osmosis
composite membranes
membranes made
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8888308389T
Other languages
English (en)
Inventor
Scott B Mccray
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bend Research Inc
Original Assignee
Bend Research Inc
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 Bend Research Inc filed Critical Bend Research Inc
Application granted granted Critical
Publication of DE3866651D1 publication Critical patent/DE3866651D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • 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
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • 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
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
    • B01D69/1251—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction by interfacial polymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/28—Preparatory processes
DE8888308389T 1987-09-15 1988-09-12 Verbundmembranen aus p-xylylendiamid oder- diimid zur umkehrosmose. Expired - Fee Related DE3866651D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/098,201 US4853122A (en) 1987-09-15 1987-09-15 P-xylylenediamide/diimide composite RO membranes

Publications (1)

Publication Number Publication Date
DE3866651D1 true DE3866651D1 (de) 1992-01-16

Family

ID=22267944

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888308389T Expired - Fee Related DE3866651D1 (de) 1987-09-15 1988-09-12 Verbundmembranen aus p-xylylendiamid oder- diimid zur umkehrosmose.

Country Status (9)

Country Link
US (1) US4853122A (de)
EP (1) EP0308153B1 (de)
JP (1) JPH01135504A (de)
AT (1) ATE69969T1 (de)
AU (1) AU601622B2 (de)
CA (1) CA1333238C (de)
DE (1) DE3866651D1 (de)
ES (1) ES2027766T3 (de)
GR (1) GR3003311T3 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4978455A (en) * 1987-09-15 1990-12-18 Bend Research, Inc. P-xylylenediamide/diimide composite RO membranes
US5693227A (en) * 1994-11-17 1997-12-02 Ionics, Incorporated Catalyst mediated method of interfacial polymerization on a microporous support, and polymers, fibers, films and membranes made by such method
US6083297A (en) * 1995-12-13 2000-07-04 Whatman, Inc. Gas dehydration membrane with low oxygen and nitrogen permeability
CN1110354C (zh) * 1999-12-28 2003-06-04 世韩工业株式会社 聚酰胺反渗透复合膜及其制造方法
US7347855B2 (en) * 2001-10-29 2008-03-25 Ultrashape Ltd. Non-invasive ultrasonic body contouring
BR0215785A (pt) * 2002-06-25 2006-06-06 Ultrashape Inc dispositivos e metodologias uteis para esteticas do corpo
JP2008529580A (ja) * 2005-02-06 2008-08-07 ウルトラシェイプ エルティーディー． 非熱式音波組織改質
GB201012083D0 (en) 2010-07-19 2010-09-01 Imp Innovations Ltd Thin film composite membranes for separation
GB201117950D0 (en) 2011-10-18 2011-11-30 Imp Innovations Ltd Membranes for separation

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3612282A (en) * 1969-08-14 1971-10-12 Sing Wang Cheng Supporting structures and containing vessels for reverse osmosis and filtration
US3744642A (en) * 1970-12-30 1973-07-10 Westinghouse Electric Corp Interface condensation desalination membranes
US3830733A (en) * 1972-03-09 1974-08-20 Union Carbide Corp Diffusion membranes of controlled permeability,apparatus and process
US4039440A (en) * 1972-09-19 1977-08-02 The United States Of America As Represented By The Secretary Of The Interior Reverse osmosis membrane
JPS5543367B2 (de) * 1975-01-08 1980-11-06
US4259183A (en) * 1978-11-07 1981-03-31 Midwest Research Institute Reverse osmosis membrane
US4277344A (en) * 1979-02-22 1981-07-07 Filmtec Corporation Interfacially synthesized reverse osmosis membrane
JPS5824303A (ja) * 1981-08-03 1983-02-14 Teijin Ltd 耐酸化性複合半透膜
US4606943A (en) * 1983-03-18 1986-08-19 Culligan International Company Method for preparation of semipermeable composite membrane
US4659475A (en) * 1984-03-19 1987-04-21 Midwest Research Institute Composite reverse osmosis membrane comprising crosslinked poly(amine-epihalohydrin adduct)
JPS6295105A (ja) * 1985-10-16 1987-05-01 イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− 複合逆浸透膜のための被覆方法
US4626468A (en) * 1986-04-23 1986-12-02 E. I. Du Pont De Nemours And Company Microporous support layer with interfacially polymerized copolyamide thereon

Also Published As

Publication number Publication date
AU2217388A (en) 1989-03-16
ES2027766T3 (es) 1992-06-16
EP0308153A1 (de) 1989-03-22
AU601622B2 (en) 1990-09-13
CA1333238C (en) 1994-11-29
US4853122A (en) 1989-08-01
JPH01135504A (ja) 1989-05-29
EP0308153B1 (de) 1991-12-04
ATE69969T1 (de) 1991-12-15
GR3003311T3 (en) 1993-02-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee