EP4713376A1 - Verfahren zur herstellung von polymeren mit niedrigem restacrylamid und deren verwendung - Google Patents

Verfahren zur herstellung von polymeren mit niedrigem restacrylamid und deren verwendung

Info

Publication number
EP4713376A1
EP4713376A1 EP24725664.7A EP24725664A EP4713376A1 EP 4713376 A1 EP4713376 A1 EP 4713376A1 EP 24725664 A EP24725664 A EP 24725664A EP 4713376 A1 EP4713376 A1 EP 4713376A1
Authority
EP
European Patent Office
Prior art keywords
acrylamide
based polymer
treatment agent
emulsion
polymer emulsion
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
EP24725664.7A
Other languages
English (en)
French (fr)
Inventor
Ruslan GULIYEV
Greg KAPLAN
Edward Urankar
Lisa SPAGNOLA
Sergio ANIS
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.)
BL Technologies Inc
Original Assignee
BL Technologies Inc
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 BL Technologies Inc filed Critical BL Technologies Inc
Publication of EP4713376A1 publication Critical patent/EP4713376A1/de
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00Post-polymerisation treatments
    • C08F6/001Removal of residual monomers by physical means
    • C08F6/003Removal of residual monomers by physical means from polymer solutions, suspensions, dispersions or emulsions without recovery of the polymer therefrom
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F22/00Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides or nitriles thereof
    • C08F22/36Amides or imides
    • C08F22/38Amides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00Post-polymerisation treatments
    • C08F6/006Removal of residual monomers by chemical reaction, e.g. scavenging

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerisation Methods In General (AREA)
EP24725664.7A 2023-05-18 2024-04-12 Verfahren zur herstellung von polymeren mit niedrigem restacrylamid und deren verwendung Pending EP4713376A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363503046P 2023-05-18 2023-05-18
PCT/US2024/024388 WO2024238056A1 (en) 2023-05-18 2024-04-12 Method for producing polymers with low residual acrylamide and application thereof

Publications (1)

Publication Number Publication Date
EP4713376A1 true EP4713376A1 (de) 2026-03-25

Family

ID=91076828

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24725664.7A Pending EP4713376A1 (de) 2023-05-18 2024-04-12 Verfahren zur herstellung von polymeren mit niedrigem restacrylamid und deren verwendung

Country Status (4)

Country Link
EP (1) EP4713376A1 (de)
CN (1) CN121152815A (de)
AU (1) AU2024273020A1 (de)
WO (1) WO2024238056A1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9602415D0 (en) * 1996-02-07 1996-04-03 Allied Colloids Ltd Polyacrylamide particles
US6060265A (en) * 1996-12-18 2000-05-09 Cytec Technology Corporation Methods for the detoxification of nitrile and/or amide compounds
DE19748153A1 (de) * 1997-10-31 1999-05-06 Stockhausen Chem Fab Gmbh Verfahren zur Herstellung kationischer Polyelektrolyte
AUPS166702A0 (en) * 2002-04-10 2002-05-16 Life Therapeutics Limited Polyacrylamide hydrogels
EP2933271B1 (de) * 2014-04-15 2016-03-23 Basf Se Verfahren zur herstellung von wasserlöslichen homo- oder copolymeren umfassend (meth)acrylamid

Also Published As

Publication number Publication date
CN121152815A (zh) 2025-12-16
AU2024273020A1 (en) 2025-12-04
WO2024238056A1 (en) 2024-11-21

Similar Documents

Publication Publication Date Title
KR0138524B1 (ko) 비전단, 고분자량, 다분지화, 수용성 중합체 응집제, 및 이의 제조방법 및 현탁 고체응집에 이의 사용
US8858803B2 (en) Methods of preparing novel halide anion free quaternary ammonium salt monomers, polymerization methods therefor, and methods of use of the resulting polymers
CA1209735A (en) Water-in-oil emulsions of water-soluble cationic polymers and a process for preparing such emulsions
KR940021706A (ko) 수용성 양이온성 중합체 분산액을 사용하여 폐액으로부터 오일을 회수하고 산업 폐수로부터 오일을 제거하는 방법
US4137165A (en) Process for clarifying raw water
CZ282143B6 (cs) Vodorozpustný rozvětvený kationtový polymerní flokulant, způsob jeho výroby a jeho použití
TW200420586A (en) Modified polymeric flocculants with improved performance characteristics
AU2008354927A1 (en) Functionalized cationic polyamines and their use to reduce the NDMA formation during the treatment of aqueous systems, and applications in the water treatment industry, including wastewater and drinking water treatment processes
EP0610955A2 (de) Quaternäre Aminomethylacrylamid-Polymermikroemulsionen, Verfahren zur Herstellung und Verwendung davon
US20040030039A1 (en) High molecular weight cationic polymers, preparation method and uses thereof
WO2024238056A1 (en) Method for producing polymers with low residual acrylamide and application thereof
US6114484A (en) Polymers for chemical treatment and precipitation of soluble metal cyanide and oxoanion compounds from waste water
JP3702938B2 (ja) 有機凝結剤及び排水の凝集処理方法
EP0002254A1 (de) Herstellung von alpha,beta-äthylenisch ungesättigten N-Aminomethyl-Carboxamiden, deren Polymeren sowie deren quatenären Derivate
CN102642904A (zh) 一种处理造纸废水的絮凝剂及其制备方法
US20220169545A1 (en) Methods and compositions for treating produced water
Jackson Polyelectrolyte polymers—Types, forms, and function
CN106103516A (zh) 结构化的嵌段共聚物
Yaagoob et al. Synthesis of stimuli‐responsive ionic cyclopolymers in search of phosphorous‐free antiscalants
CN109626536A (zh) 一种阴离子基金属捕捉剂的制备方法及其应用
CA1155139A (en) PREPARATION OF WATER-IMMISCIBLE, ACID-SOLUBLE N- (AMINOMETHYL)-.alpha.,.beta.-ETHYLENICALLY UNSATURATED CARBOXAMIDES, QUATERNARY DERIVATIVES AND POLYMERS THEREOF
CA1261487A (en) Polymers of 1-acryloyl-4-methyl piperazine, methyl chloride or sulfate quaternary salts as flocculants
CN114426632A (zh) 一种两性聚电解质及其制备方法、高分子絮凝剂和含油污水的处理方法
CA3180593A1 (en) Carbon disulfide-modified amine additives for separation of oil from water
US4676913A (en) Coal liquor clarification with water-soluble, high molecular weight polymers having low concentration of cationic moieties

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20251215

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR