FI77674B - Foerfarande foer att fraktionera vattenloesliga polymerer. - Google Patents

Foerfarande foer att fraktionera vattenloesliga polymerer. Download PDF

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Publication number
FI77674B
FI77674B FI841990A FI841990A FI77674B FI 77674 B FI77674 B FI 77674B FI 841990 A FI841990 A FI 841990A FI 841990 A FI841990 A FI 841990A FI 77674 B FI77674 B FI 77674B
Authority
FI
Finland
Prior art keywords
polymer
molecular weight
water
cation
neutralized
Prior art date
Application number
FI841990A
Other languages
English (en)
Finnish (fi)
Other versions
FI841990A (fi
FI841990A0 (fi
FI77674C (sv
Inventor
David Farrar
Malcolm Hawe
Original Assignee
Allied Colloids Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26286181&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI77674(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB838313976A external-priority patent/GB8313976D0/en
Priority claimed from GB838321731A external-priority patent/GB8321731D0/en
Application filed by Allied Colloids Ltd filed Critical Allied Colloids Ltd
Publication of FI841990A0 publication Critical patent/FI841990A0/fi
Publication of FI841990A publication Critical patent/FI841990A/fi
Priority to FI864054A priority Critical patent/FI82204C/sv
Publication of FI77674B publication Critical patent/FI77674B/fi
Application granted granted Critical
Publication of FI77674C publication Critical patent/FI77674C/sv

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D17/00—Pigment pastes, e.g. for mixing in paints
    • C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/04—Fractionation
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/45—Anti-settling agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)

Claims (8)

1. Förfarande, vid vilket en lösning av en vatten-löslig polymer, vilken innehäller neutraliserade sura 5 grupper, i en blandning av vatten och ett polart lösnings-medel, uppdelas i en vattenfas, vilken innehäller en fraktion med högre molekylvikt, och en organisk fas, vilken innehäller en fraktion med lägre molekylvikt, känne-t e c k n a t därav, att det polara lösningsmedlet är en 10 C^-C^-alkohol, de sura grupperna neutraliseras med en kat-jon som valts bland natrium, kalium, litium eller ammonium, och molproportionen av neutraliserade grupper är mellan 10-55 % dä katjonen valts bland natrium och kalium, 10-70 % dä katjonen är ammonium och 30-90 % dä katjonen är 15 litium.
2. Förfarande enligt patentkravet 1, känne- t e c k n a t därav, att alkoholen är isopropanol att för-hällandet vatten:alkohol är mellan 1:0,5 och 1:2.
3. Förfarande enligt nägot av de föregäende patent-20 kraven, kännetecknat därav, att koncentrationen av polymeren (vikten av den sura polymeren beräknat pä polymer, vatten och alkohol) är minst 10 %, och vardera fasen innehäller 20-80 vikt-% polymer.
4. Förfarande enligt nägot av de föregäende patent-25 kraven, kännetecknat därav, att det omfattar ett preliminärt steg för bildande av lösningen i blandningen av lösningsmedlen genom polymerisering av en vattenlöslig, sur monomer i blandnigen och sedan tillsättningen av alkali i tillräcklig mängd för partiell neutralisation av polymeren. 30
5. Förfarande enligt nägot av de föregäende patent- kraven, kännetecknat därav, att katjonen valts bland natrium och kalium och proportionen av neutraliserade grupper är mellan 15-40 % eller katjonen är ammonium och proportionen av neutraliserade grupper är mellan 15-50 %. 35
6. Förfarande enligt patentkravet 1, k ä n n e - tec k n a t därav, att blandningen av lösningsmedlen
FI841990A 1983-05-20 1984-05-17 Förfarande för att fraktionera vattenlösliga polymerer. FI77674C (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI864054A FI82204C (sv) 1983-05-20 1986-10-07 Vattenlösliga polymera dispergeringsmedel för pigment

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB838313976A GB8313976D0 (en) 1983-05-20 1983-05-20 Water soluble polymers
GB8313976 1983-05-20
GB838321731A GB8321731D0 (en) 1983-08-12 1983-08-12 Water soluble polymers
GB8321731 1983-08-12

Publications (4)

Publication Number Publication Date
FI841990A0 FI841990A0 (fi) 1984-05-17
FI841990A FI841990A (fi) 1984-11-21
FI77674B true FI77674B (fi) 1988-12-30
FI77674C FI77674C (sv) 1989-04-10

Family

ID=26286181

Family Applications (1)

Application Number Title Priority Date Filing Date
FI841990A FI77674C (sv) 1983-05-20 1984-05-17 Förfarande för att fraktionera vattenlösliga polymerer.

Country Status (7)

Country Link
US (4) US4503172A (sv)
EP (2) EP0127388B1 (sv)
JP (1) JPH02139005A (sv)
CA (1) CA1265635A (sv)
DE (2) DE3461810D1 (sv)
FI (1) FI77674C (sv)
NO (1) NO841997L (sv)

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Also Published As

Publication number Publication date
EP0127388A1 (en) 1984-12-05
US4503172A (en) 1985-03-05
DE3479223D1 (en) 1989-09-07
EP0129329B1 (en) 1989-08-02
US4554307A (en) 1985-11-19
DE3461810D1 (en) 1987-02-05
JPH0327563B2 (sv) 1991-04-16
FI841990A (fi) 1984-11-21
FI841990A0 (fi) 1984-05-17
US4554298A (en) 1985-11-19
US4507422A (en) 1985-03-26
EP0129329A2 (en) 1984-12-27
EP0129329A3 (en) 1986-04-16
NO841997L (no) 1984-11-21
FI77674C (sv) 1989-04-10
EP0129329B2 (en) 1998-04-01
EP0127388B1 (en) 1986-12-30
JPH02139005A (ja) 1990-05-29
CA1265635A (en) 1990-02-06

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