IL35553A - Method of making reverse osmosis membranes - Google Patents

Method of making reverse osmosis membranes

Info

Publication number: IL35553A
Authority: IL; Israel
Prior art keywords: support; treated; layer; reverse osmosis; water
Prior art date: 1969-11-28

Application number

IL35553A

Other languages

English (en)

Other versions

IL35553A0 (en

Original Assignee

Eastman Kodak Co

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.)

1969-11-28

Filing date

1970-10-28

Publication date

1973-06-29

1970-10-28 Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co

1970-12-24 Publication of IL35553A0 publication Critical patent/IL35553A0/xx

1973-06-29 Publication of IL35553A publication Critical patent/IL35553A/en

Links

239000012528 membrane Substances 0.000 title claims description 12
238000001223 reverse osmosis Methods 0.000 title claims description 12
238000004519 manufacturing process Methods 0.000 title claims description 6
238000000034 method Methods 0.000 claims description 21
229920000159 gelatin Polymers 0.000 claims description 10
239000008273 gelatin Substances 0.000 claims description 10
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
108010010803 Gelatin Proteins 0.000 claims description 8
235000019322 gelatine Nutrition 0.000 claims description 8
235000011852 gelatine desserts Nutrition 0.000 claims description 8
239000000463 material Substances 0.000 claims description 8
229920002678 cellulose Polymers 0.000 claims description 7
239000002904 solvent Substances 0.000 claims description 6
229920002284 Cellulose triacetate Polymers 0.000 claims description 5
NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 claims description 5
239000001913 cellulose Substances 0.000 claims description 5
238000000576 coating method Methods 0.000 claims description 5
239000000203 mixture Substances 0.000 claims description 5
JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims description 4
OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims description 4
VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 4
239000003513 alkali Substances 0.000 claims description 4
239000011248 coating agent Substances 0.000 claims description 4
LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 4
229920000728 polyester Polymers 0.000 claims description 4
229920000098 polyolefin Polymers 0.000 claims description 4
239000001856 Ethyl cellulose Substances 0.000 claims description 3
ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 3
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
239000000020 Nitrocellulose Substances 0.000 claims description 3
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 claims description 3
125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims description 3
229920001249 ethyl cellulose Polymers 0.000 claims description 3
235000019325 ethyl cellulose Nutrition 0.000 claims description 3
229920001220 nitrocellulos Polymers 0.000 claims description 3
229910052708 sodium Inorganic materials 0.000 claims description 3
239000011734 sodium Substances 0.000 claims description 3
229910021653 sulphate ion Inorganic materials 0.000 claims description 3
238000005266 casting Methods 0.000 claims description 2
238000001704 evaporation Methods 0.000 claims description 2
239000000499 gel Substances 0.000 claims description 2
238000007654 immersion Methods 0.000 claims description 2
239000011148 porous material Substances 0.000 claims description 2
230000002285 radioactive effect Effects 0.000 claims description 2
238000011437 continuous method Methods 0.000 claims 1
229920001577 copolymer Polymers 0.000 claims 1
239000003960 organic solvent Substances 0.000 claims 1
150000005691 triesters Chemical class 0.000 claims 1
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
-1 polypropylene Polymers 0.000 description 4
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
239000004743 Polypropylene Substances 0.000 description 3
229920000139 polyethylene terephthalate Polymers 0.000 description 3
239000005020 polyethylene terephthalate Substances 0.000 description 3
229920001155 polypropylene Polymers 0.000 description 3
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
239000004372 Polyvinyl alcohol Substances 0.000 description 2
229920002301 cellulose acetate Polymers 0.000 description 2
229920002451 polyvinyl alcohol Polymers 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
239000000243 solution Substances 0.000 description 2
MMINFSMURORWKH-UHFFFAOYSA-N 3,6-dioxabicyclo[6.2.2]dodeca-1(10),8,11-triene-2,7-dione Chemical compound O=C1OCCOC(=O)C2=CC=C1C=C2 MMINFSMURORWKH-UHFFFAOYSA-N 0.000 description 1
LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
241000282337 Nasua nasua Species 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
150000001408 amides Chemical class 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
239000008199 coating composition Substances 0.000 description 1
230000007717 exclusion Effects 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
229920001903 high density polyethylene Polymers 0.000 description 1
239000004700 high-density polyethylene Substances 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
229920001480 hydrophilic copolymer Polymers 0.000 description 1
230000002209 hydrophobic effect Effects 0.000 description 1
230000005661 hydrophobic surface Effects 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
238000002386 leaching Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
229920006267 polyester film Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
229920001897 terpolymer Polymers 0.000 description 1
238000010998 test method Methods 0.000 description 1
230000037303 wrinkles Effects 0.000 description 1

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
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0013—Casting processes
- 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
- B01D69/10—Supported membranes; Membrane supports
- B01D69/105—Support pretreatment
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/02—Hydrophilization
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Dispersion Chemistry (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Separation Using Semi-Permeable Membranes (AREA)

IL35553A 1969-11-28 1970-10-28 Method of making reverse osmosis membranes IL35553A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US88090569A	1969-11-28	1969-11-28

Publications (2)

Publication Number	Publication Date
IL35553A0 IL35553A0 (en)	1970-12-24
IL35553A true IL35553A (en)	1973-06-29

Family

ID=25377367

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL35553A IL35553A (en)	1969-11-28	1970-10-28	Method of making reverse osmosis membranes

Country Status (7)

Country	Link
US (1)	US3636150A (fr)
JP (1)	JPS4933270B1 (fr)
BE (1)	BE759589A (fr)
CA (1)	CA924468A (fr)
FR (1)	FR2072359A5 (fr)
GB (1)	GB1324019A (fr)
IL (1)	IL35553A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3846521A (en) *	1971-02-03	1974-11-05	Union Carbide Corp	Low energy electron beam treatment of polymeric films, and apparatus therefore
US3841492A (en) *	1972-01-19	1974-10-15	Celanese Corp	Production of semipermeable polybenzimidazole membranes
FR2180561B1 (fr) *	1972-04-21	1974-07-26	Cellophane Sa
US3846404A (en) *	1973-05-23	1974-11-05	Moleculon Res Corp	Process of preparing gelled cellulose triacetate products and the products produced thereby
DE2354917B2 (de) *	1973-11-02	1981-05-21	Hoechst Ag, 6000 Frankfurt	Verfahren zum Trennen von Fest-Flüssig-System
US20030038081A1 (en) *	2001-08-14	2003-02-27	I-Fan Wang	High strength asymmetric cellulosic membrane
JP6644140B2 (ja)	2015-10-22	2020-02-12	ユーオーピーエルエルシー	ガス分離のための二重層コーティングされた膜

0
- BE BE759589D patent/BE759589A/fr unknown
1969
- 1969-11-28 US US880905A patent/US3636150A/en not_active Expired - Lifetime
1970
- 1970-10-06 CA CA094890A patent/CA924468A/en not_active Expired
- 1970-10-28 IL IL35553A patent/IL35553A/en unknown
- 1970-11-25 FR FR7042272A patent/FR2072359A5/fr not_active Expired
- 1970-11-26 JP JP45103739A patent/JPS4933270B1/ja active Pending
- 1970-11-26 GB GB5622570A patent/GB1324019A/en not_active Expired

Also Published As

Publication number	Publication date
JPS4933270B1 (fr)	1974-09-05
GB1324019A (en)	1973-07-18
FR2072359A5 (fr)	1971-09-24
CA924468A (en)	1973-04-17
BE759589A (fr)	1971-04-30
IL35553A0 (en)	1970-12-24
DE2058010A1 (de)	1971-06-03
US3636150A (en)	1972-01-18

Publication	Publication Date	Title
US2943937A (en)	1960-07-05	Surface conditioning and subbing of oriented linear polyester photographic film support
CH640358A5 (de)	1983-12-30	Lichtempfindliches filmmaterial und verfahren zur herstellung desselben.
DE2205660B2 (de)	1978-03-16	Verfahren zum Antistatischausrüsten eines Kunststoffilms oder einer Kunststoffolie
US3262807A (en)	1966-07-26	Articles resistant to static buildup
DE2708850C2 (de)	1982-06-09	Verfahren zur Verbesserung der Haftungseigenschaften hydrophober photographischer Schichtträger
DE2643079C2 (de)	1983-04-14	Verfahren zur Herstellung von fotografischen Filmträgern mit Haftschichten
US3072483A (en)	1963-01-08	Photographic element comprising polyethylene terephthalate film base
IL35553A (en)	1973-06-29	Method of making reverse osmosis membranes
US3297476A (en)	1967-01-10	Production of non-blocking adherent film and foil
US4233074A (en)	1980-11-11	Photographic polyester film base with subbing layer containing phosphoric acid derivative
US4009037A (en)	1977-02-22	Coated synthetic film materials
US3697305A (en)	1972-10-10	Method for producing a photographic element
US3676189A (en)	1972-07-11	Method of coating a polyolefin or polyolefin-coated paper sheet material
DE2339913A1 (de)	1974-02-14	Lichtempfindliches fotografisches element
US3793043A (en)	1974-02-19	Cellulose ester dope solution containing inorganic chromium salts
CH670707A5 (fr)	1989-06-30
US4914011A (en)	1990-04-03	Process for forming anti-halation layers of polyester photographic film supports
US2801191A (en)	1957-07-30	Removable layers for film
US4213783A (en)	1980-07-22	Photographic film subbing layer comprising vinylidene chloride and itaconic acid or ester copolymer
DE3404425C2 (fr)	1989-11-09
DE2325087A1 (de)	1973-12-06	Verbesserung der haftung von hydrophilen schichten auf masshaltigen polyesterfilmtraegern
US3169867A (en)	1965-02-16	Manufacture of photo-sensitive films
CA1121646A (fr)	1982-04-13	Tole d'aluminium enduite d'une couche intermediaire de copolymere et d'une couche superficielle sensible aux rayons ultraviolets
US2914808A (en)	1959-12-01	Process for forming films from nonelastic polymer latexes
US2571686A (en)	1951-10-16	Method of recovering cellulose ester film scrap