GB1187124A - Polyelectrolyte Structures. - Google Patents

Polyelectrolyte Structures.

Info

Publication number
GB1187124A
GB1187124A GB28418/68A GB2841868A GB1187124A GB 1187124 A GB1187124 A GB 1187124A GB 28418/68 A GB28418/68 A GB 28418/68A GB 2841868 A GB2841868 A GB 2841868A GB 1187124 A GB1187124 A GB 1187124A
Authority
GB
United Kingdom
Prior art keywords
groups
dissociable
acid
water
filaments
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
Application number
GB28418/68A
Inventor
Alan Sherman Michaels
Richard George Miekka
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.)
Amicon Corp
Original Assignee
Amicon Corp
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 Amicon Corp filed Critical Amicon Corp
Priority to GB28418/68A priority Critical patent/GB1187124A/en
Publication of GB1187124A publication Critical patent/GB1187124A/en
Expired legal-status Critical Current

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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0006—Organic membrane manufacture by chemical reactions
    • 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
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • B01D71/80—Block polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J43/00—Amphoteric ion-exchange, i.e. using ion-exchangers having cationic and anionic groups; Use of material as amphoteric ion-exchangers; Treatment of material for improving their amphoteric ion-exchange properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • 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
    • B01D71/30—Polyalkenyl halides

Abstract

1,187,124. Polyelectrolyte films and filaments. AMICON CORP. 21 Feb., 1968, No. 28418/68. Divided out of 1,187,122. Heading B5B. [Also in Division C3] Membranes and filaments are made by forming into the desired shape an aq. solution containing at least 0À2% by wt. of a synthetic organic polymer having dissociable anionic groups attached to a polymeric chain which without these groups is a water-insoluble film forming resin, at least 0À5% of a synthetic organic polymer having dissociable cationic groups attached to a polymeric chain which without these groups is a water-insoluble film forming resin, each of these polymers having sufficient dissociable groups to render it water soluble in the absence of the other and at least 10% of an acid electrolyte having a pK less than 2À0, and neutralizing the acid to form a solid gel. In examples the polymers were poly (sodium styrene sulphonate) and poly (vinyl benzyl trimethyl ammonium chloride), the acid was hydrochloric or sulphuric, the solution also contained dioxane and was gelled using sodium hydroxide: in Examples 1 and 2 a filament and a sheet respectively were produced by extrusion. Membranes so made are humidity-sensitive.
GB28418/68A 1968-02-21 1968-02-21 Polyelectrolyte Structures. Expired GB1187124A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB28418/68A GB1187124A (en) 1968-02-21 1968-02-21 Polyelectrolyte Structures.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28418/68A GB1187124A (en) 1968-02-21 1968-02-21 Polyelectrolyte Structures.

Publications (1)

Publication Number Publication Date
GB1187124A true GB1187124A (en) 1970-04-08

Family

ID=10275316

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28418/68A Expired GB1187124A (en) 1968-02-21 1968-02-21 Polyelectrolyte Structures.

Country Status (1)

Country Link
GB (1) GB1187124A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445521A (en) * 1977-03-15 1984-05-01 L'oreal Composition and process for the treatment of keratin materials with polymers
US4842849A (en) * 1981-05-08 1989-06-27 L'oreal Composition intended for the treatment of keratin fibres, based on a cationic polymer and an anionic polymer containing vinylsulphonic groups
WO2002085500A1 (en) * 2001-04-18 2002-10-31 Florida State University Research Foundation, Inc. Method of preparing free polyelectrolyte membranes

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445521A (en) * 1977-03-15 1984-05-01 L'oreal Composition and process for the treatment of keratin materials with polymers
US4719099A (en) * 1977-03-15 1988-01-12 L'oreal Composition and process for the treatment of keratin materials with polymers
US4842849A (en) * 1981-05-08 1989-06-27 L'oreal Composition intended for the treatment of keratin fibres, based on a cationic polymer and an anionic polymer containing vinylsulphonic groups
WO2002085500A1 (en) * 2001-04-18 2002-10-31 Florida State University Research Foundation, Inc. Method of preparing free polyelectrolyte membranes
US7223327B2 (en) 2001-04-18 2007-05-29 Florida State University Research Foundation, Inc. Method of preparing free polyelectrolyte membranes

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee