IT7852456A0 - Procedimento per la produzione di membrane semipermeabili - Google Patents

Procedimento per la produzione di membrane semipermeabili

Info

Publication number
IT7852456A0
IT7852456A0 IT7852456A IT5245678A IT7852456A0 IT 7852456 A0 IT7852456 A0 IT 7852456A0 IT 7852456 A IT7852456 A IT 7852456A IT 5245678 A IT5245678 A IT 5245678A IT 7852456 A0 IT7852456 A0 IT 7852456A0
Authority
IT
Italy
Prior art keywords
semi
procedure
production
permeable membranes
membranes
Prior art date
Application number
IT7852456A
Other languages
English (en)
Other versions
IT1111100B (it
Original Assignee
Sumitomo Chemical 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.)
Filing date
Publication date
Priority claimed from JP15937777A external-priority patent/JPS5490081A/ja
Priority claimed from JP541978A external-priority patent/JPS5499083A/ja
Application filed by Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of IT7852456A0 publication Critical patent/IT7852456A0/it
Application granted granted Critical
Publication of IT1111100B publication Critical patent/IT1111100B/it

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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • B01D71/421—Polyacrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • C08J7/14—Chemical modification with acids, their salts or anhydrides
    • 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
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
    • C08J5/2218—Synthetic macromolecular compounds
    • C08J5/2231—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
    • C08J5/2243—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds obtained by introduction of active groups capable of ion-exchange into compounds of the type C08J5/2231
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/20—Manufacture of shaped structures of ion-exchange resins
    • C08J5/22—Films, membranes or diaphragms
    • C08J5/2287—After-treatment
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
    • D06M11/55—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/18—Homopolymers or copolymers of nitriles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/18—Homopolymers or copolymers of nitriles
    • C08J2333/20—Homopolymers or copolymers of acrylonitrile

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
IT7852456A 1977-12-28 1978-12-27 Procedimento per la produzione di membrane semipermeabili IT1111100B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP15937777A JPS5490081A (en) 1977-12-28 1977-12-28 Method of producing semipermeable membrane
JP541978A JPS5499083A (en) 1978-01-21 1978-01-21 Production of semipermeable membrane

Publications (2)

Publication Number Publication Date
IT7852456A0 true IT7852456A0 (it) 1978-12-27
IT1111100B IT1111100B (it) 1986-01-13

Family

ID=26339359

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7852456A IT1111100B (it) 1977-12-28 1978-12-27 Procedimento per la produzione di membrane semipermeabili

Country Status (6)

Country Link
DE (1) DE2856136A1 (it)
DK (1) DK582378A (it)
FR (1) FR2413108A1 (it)
GB (1) GB2011828B (it)
IT (1) IT1111100B (it)
NL (1) NL7812340A (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5657836A (en) * 1979-10-16 1981-05-20 Asahi Chem Ind Co Ltd Porous hydrophilic polyolefin resin membrane and its preparation
EP0263884B1 (en) * 1986-04-14 1993-01-07 Toray Industries, Inc. Composite material reinforced with sulfurized acrylic fibers
US4965322A (en) * 1987-04-06 1990-10-23 Asahi Kasei Kogyo Kabushiki Kaisha Photosensitive and heat-sensitive polymers, process for producing the same and process for recording information using the same
DE10343901A1 (de) * 2003-09-19 2005-04-14 Basf Ag Amidgruppenhaltige Ethylenterpolymere und ihre Verwendung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1001669B (de) * 1953-07-11 1957-01-31 Permutit Ag Verfahren zur Herstellung von selektiv Kationen durchlaessigen Austauschmembranen
NL261238A (it) * 1960-02-18
GB895082A (en) * 1960-03-12 1962-05-02 Membranfilter Ges G M B H Improvements in or relating to the production of membrane filters
GB916087A (en) * 1960-08-10 1963-01-16 Permutit Co Ltd Improvements relating to the production of ion-selective membranes
US3253880A (en) * 1961-10-09 1966-05-31 Chemstrand Corp Sulfonation of acrylonitrile polymers with sulfur trioxide to increase dye receptivity
US3320218A (en) * 1963-04-05 1967-05-16 Dow Chemical Co Cross-linked sulfonated aliphatic hydrocarbon polymers
US3740258A (en) * 1968-01-10 1973-06-19 Dow Chemical Co Resinous enclosure members rendered impermeable by sulfonation
US3925332A (en) * 1974-06-18 1975-12-09 Asahi Dow Ltd Hydrophilic membrane and process for the preparation thereof
DE2450670A1 (de) * 1974-10-25 1976-04-29 Benckiser Gmbh Joh A Verfahren zur abtrennung von citrat oder citronensaeure aus fermentationsloesungen
JPS5226380A (en) * 1975-08-25 1977-02-26 Sumitomo Chem Co Ltd Method of making semipermeable membranes

Also Published As

Publication number Publication date
GB2011828A (en) 1979-07-18
GB2011828B (en) 1982-04-28
DK582378A (da) 1979-06-29
IT1111100B (it) 1986-01-13
NL7812340A (nl) 1979-07-02
DE2856136A1 (de) 1979-07-12
FR2413108A1 (fr) 1979-07-27

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