EP4739717A2 - Herstellung eines dopams mit hoher reaktionstemperatur und verbesserter standardviskosität und wasserlöslichkeit - Google Patents

Herstellung eines dopams mit hoher reaktionstemperatur und verbesserter standardviskosität und wasserlöslichkeit

Info

Publication number
EP4739717A2
EP4739717A2 EP24836576.9A EP24836576A EP4739717A2 EP 4739717 A2 EP4739717 A2 EP 4739717A2 EP 24836576 A EP24836576 A EP 24836576A EP 4739717 A2 EP4739717 A2 EP 4739717A2
Authority
EP
European Patent Office
Prior art keywords
redox
acid
polymerization
reaction temperature
acrylamide
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.)
Pending
Application number
EP24836576.9A
Other languages
English (en)
French (fr)
Inventor
Susanna HOLAPPA
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.)
Kemira Oyj
Original Assignee
Kemira Oyj
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 Kemira Oyj filed Critical Kemira Oyj
Publication of EP4739717A2 publication Critical patent/EP4739717A2/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/04—Azo-compounds
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
    • C08F2/40—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation using retarding agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerization Catalysts (AREA)
EP24836576.9A 2023-07-05 2024-07-03 Herstellung eines dopams mit hoher reaktionstemperatur und verbesserter standardviskosität und wasserlöslichkeit Pending EP4739717A2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202363511978P 2023-07-05 2023-07-05
FI20236044 2023-09-21
PCT/US2024/036757 WO2025010348A2 (en) 2023-07-05 2024-07-03 Preparation of a high reaction temperature dpam having improved standard viscosity and water solubility

Publications (1)

Publication Number Publication Date
EP4739717A2 true EP4739717A2 (de) 2026-05-13

Family

ID=94172185

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24836576.9A Pending EP4739717A2 (de) 2023-07-05 2024-07-03 Herstellung eines dopams mit hoher reaktionstemperatur und verbesserter standardviskosität und wasserlöslichkeit

Country Status (3)

Country Link
EP (1) EP4739717A2 (de)
CN (1) CN121666408A (de)
WO (1) WO2025010348A2 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109153748A (zh) * 2016-04-26 2019-01-04 巴斯夫欧洲公司 制备聚丙烯酰胺水溶液的方法
EA202091019A1 (ru) * 2017-10-25 2020-09-09 Басф Се Способ получения водных растворов полиакриламида
CA3076564A1 (en) * 2017-10-25 2019-05-02 Basf Se Process for producing hydrophobically associating polyacrylamides

Also Published As

Publication number Publication date
WO2025010348A3 (en) 2025-04-03
WO2025010348A2 (en) 2025-01-09
CN121666408A (zh) 2026-03-13

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