ATE164856T1 - Reinigung von vinyllaktampolymeren - Google Patents

Reinigung von vinyllaktampolymeren

Info

Publication number
ATE164856T1
ATE164856T1 AT93903673T AT93903673T ATE164856T1 AT E164856 T1 ATE164856 T1 AT E164856T1 AT 93903673 T AT93903673 T AT 93903673T AT 93903673 T AT93903673 T AT 93903673T AT E164856 T1 ATE164856 T1 AT E164856T1
Authority
AT
Austria
Prior art keywords
purification
polymer
acamp
vinyl
polymers
Prior art date
Application number
AT93903673T
Other languages
English (en)
Inventor
Susan Y Tseng
William L Mandella
Terry E Smith
Robert B Login
Paul D Taylor
Original Assignee
Isp Investments 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
Priority claimed from US07/834,968 external-priority patent/US5239053A/en
Application filed by Isp Investments Inc filed Critical Isp Investments Inc
Application granted granted Critical
Publication of ATE164856T1 publication Critical patent/ATE164856T1/de

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
    • C08F6/00Post-polymerisation treatments
    • C08F6/006Removal of residual monomers by chemical reaction, e.g. scavenging

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Pyrrole Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
AT93903673T 1992-02-10 1993-01-25 Reinigung von vinyllaktampolymeren ATE164856T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83320492A 1992-02-10 1992-02-10
US07/834,968 US5239053A (en) 1992-02-14 1992-02-14 Purification of vinyl lactam polymers

Publications (1)

Publication Number Publication Date
ATE164856T1 true ATE164856T1 (de) 1998-04-15

Family

ID=27125588

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93903673T ATE164856T1 (de) 1992-02-10 1993-01-25 Reinigung von vinyllaktampolymeren

Country Status (5)

Country Link
EP (1) EP0625994B1 (de)
JP (1) JPH07503749A (de)
AT (1) ATE164856T1 (de)
DE (1) DE69317881D1 (de)
WO (1) WO1993016114A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5225524A (en) * 1992-07-02 1993-07-06 Isp Investments Inc. Process for rendering amino-group-containing polymer solutions substantially odorless
US5494155A (en) * 1994-06-29 1996-02-27 Pilkington Barnes Hind, Inc. Incorporation of absorbents during extraction and/or hydration of hydrogel materials used as ophthalmic devices
DE19533217A1 (de) * 1995-09-08 1997-03-13 Basf Ag Verfahren zur Herstellung von Polymerisaten auf Basis basischer Vinylmonomere
JP3773408B2 (ja) * 2000-06-15 2006-05-10 第一工業製薬株式会社 ビニルピロリドン重合体の製造方法
US6617420B2 (en) 2000-08-11 2003-09-09 Nippon Shokubai Co., Ltd. Process for reducing monomer content in N-vinyl compound polymers
JP4578714B2 (ja) * 2001-04-26 2010-11-10 大阪有機化学工業株式会社 N−ビニル−2−ピロリドン含有樹脂組成物、その製法およびそれからなる化粧料
WO2007023862A1 (ja) 2005-08-26 2007-03-01 Nippon Shokubai Co., Ltd. 染料移行防止剤、洗濯用洗剤組成物
JP5788783B2 (ja) * 2011-12-26 2015-10-07 株式会社日本触媒 N−ビニルラクタム系重合体組成物およびその製造方法
US9260546B2 (en) * 2012-08-08 2016-02-16 Basf Se Producing aqueous solutions of vinyllactam polymers and powders thereof
CN104520335B (zh) 2012-08-08 2018-05-29 巴斯夫欧洲公司 制备乙烯基内酰胺聚合物水溶液及其粉末
JP6876394B2 (ja) * 2015-08-28 2021-05-26 株式会社日本触媒 N−ビニルラクタム系架橋重合体の製造方法及びn−ビニルラクタム系架橋重合体
WO2023099232A1 (en) 2021-11-30 2023-06-08 Basf Se Preparation of n-vinylpyrrolidone polymers, containing less than 0.5 wt% of 2-pyrrolidone

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810714A (en) * 1955-11-08 1957-10-22 American Cyanamid Co Method of recovering unreacted monomers including a vinylpyridine
US2914516A (en) * 1956-05-07 1959-11-24 Gen Aniline & Film Corp Purification of polyvinylpyrrolidone
US3017393A (en) * 1958-01-27 1962-01-16 Minnesota Mining & Mfg Stabilization of polymers of pyrrolidone
US3072615A (en) * 1958-02-03 1963-01-08 Minnesota Mining & Mfg Polypyrrolidone stabilization
DE1495466B2 (de) * 1963-08-13 1970-07-23 Diwag Pharmazeutische Fabrik GmbH, 1000 Berlin Verfahren zur Nachbehandlung von PoIyvinylpyrrolidonlösungen und Verwendung dieser Lösungen zur Bereitung stabiler Lösungen therapeutisch verwendbarer Amine
US3701764A (en) * 1968-08-26 1972-10-31 Union Carbide Corp Process for the fractionation of polymers
US3944513A (en) * 1969-04-29 1976-03-16 Rohm And Haas Company Purification of polymer dispersions with adsorbent carbon particles
US4187370A (en) * 1977-04-29 1980-02-05 Chevron Research Company Polymerization and recovery of 2-pyrrolidone with acid treatment
DE3629933A1 (de) * 1986-09-03 1988-03-10 Basf Ag Verfahren zur entfernung von vinylpyrrolidon aus vinylpyrrolidon-polymerisaten
US5175248A (en) * 1990-06-04 1992-12-29 Sartomer Company, Inc. Process for the removal of n-vinylcarbazole from poly(n-vinylcarbazole)

Also Published As

Publication number Publication date
EP0625994A1 (de) 1994-11-30
JPH07503749A (ja) 1995-04-20
EP0625994B1 (de) 1998-04-08
WO1993016114A1 (en) 1993-08-19
EP0625994A4 (en) 1995-10-04
DE69317881D1 (de) 1998-05-14

Similar Documents

Publication Publication Date Title
ATE164856T1 (de) Reinigung von vinyllaktampolymeren
US4444667A (en) Flocculant for sludges
NO157373C (no) Fremgangsmaate ved fremstilling av et flokkuleringsmiddel.
BR9813550A (pt) "processo para tratamento de licor contendo lama vermelha de processo bayer e para preparação de copolìmeros em emulsão de alto peso molecular por meio de polimerização via radicais livres de monÈmeros, e, emulsão de um copolìmero de alto peso molecular formado por polimerização via radicais livres de monÈmeros."
EP0610955A3 (de) Quaternäre Aminomethylacrylamid-Polymermikroemulsionen, Verfahren zur Herstellung und Verwendung davon.
GB1512022A (en) Flocculating agents for water treatment
JPS6448802A (en) Water-absorbing resin
ATE174576T1 (de) Zusammensetzung und verfahren zur wasserreinigung und behandlung von abwässern
WO1999031152A1 (en) Vinyl pyrrolidone polymers substantially free of vinyl lactam monomer
US4721574A (en) Water treatment
US5039817A (en) Preparation of pure N-vinyl-2-pyrrolidone
US5030359A (en) Dewatering sludge
KR830007738A (ko) 아크성아미드계 양이온성 고분자 응릴제의 제조방법
US3179566A (en) Purification of heparin
EP0648231A1 (de) Verfahren um aminogruppenhaltige polymerlösungen nahezu geruchlos zu machen
SU905192A1 (ru) Способ обработки активированного угл
DE69705995D1 (de) Verfahren zur Decarboxylierung von 2-Ketoaldonisch-Säuren
ES2143516T3 (es) Procedimiento de preparacion de un polimero acrilico super absorbente.
JPS6040057A (ja) 脱臭脱水剤
JP2001504528A (ja) カチオン交換処理によるポリビニルクロライド重合からの水のリサイクル
SU422715A1 (ru) СПОСОБ ПРЕДОТВРАЩЕНИЯ ПОЛИМЕРИЗАЦИИ ВИНИЛОВЫХ МОНОМЕРОВ':впт бmi, ш
FR2631021B1 (fr) Procede de traitement d'epuration des eaux, avec phase de coagulation prolongee
SU1581701A1 (ru) Способ очистки нитрилсодержащих сточных вод
SU1303558A1 (ru) Способ очистки сточных вод от ртути
Caskey The Effect of Polyacrylamide Molecular Structure on Flocculation Activity of Domestic Sewage

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties