EP0349935A3 - Solutions aqueuses de resines polyamide-amine-epichlorhydrine, leur procédé de préparation et leur utilisation - Google Patents

Solutions aqueuses de resines polyamide-amine-epichlorhydrine, leur procédé de préparation et leur utilisation Download PDF

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Publication number
EP0349935A3
EP0349935A3 EP19890112049 EP89112049A EP0349935A3 EP 0349935 A3 EP0349935 A3 EP 0349935A3 EP 19890112049 EP19890112049 EP 19890112049 EP 89112049 A EP89112049 A EP 89112049A EP 0349935 A3 EP0349935 A3 EP 0349935A3
Authority
EP
European Patent Office
Prior art keywords
resin
component
amine
epichlorhydrine
resines
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.)
Granted
Application number
EP19890112049
Other languages
German (de)
English (en)
Other versions
EP0349935B1 (fr
EP0349935A2 (fr
Inventor
Manfred Marten
Walter Dr. Kamutzki
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Priority to AT89112049T priority Critical patent/ATE90405T1/de
Publication of EP0349935A2 publication Critical patent/EP0349935A2/fr
Publication of EP0349935A3 publication Critical patent/EP0349935A3/fr
Application granted granted Critical
Publication of EP0349935B1 publication Critical patent/EP0349935B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20Macromolecular organic compounds
    • D21H17/33Synthetic macromolecular compounds
    • D21H17/46Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • D21H17/55Polyamides; Polyaminoamides; Polyester-amides
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/18Reinforcing agents
    • D21H21/20Wet strength agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polyamides (AREA)
EP89112049A 1988-07-02 1989-07-01 Solutions aqueuses de resines polyamide-amine-epichlorhydrine, leur procédé de préparation et leur utilisation Expired - Lifetime EP0349935B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89112049T ATE90405T1 (de) 1988-07-02 1989-07-01 Waessrige loesungen von polyamidoamin-epichlorhyrin-harzen, verfahren zu ihrer herstellung und ihre verwendung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3822490A DE3822490A1 (de) 1988-07-02 1988-07-02 Waessrige loesungen von polyamidoamin-epichlorhyrin-harzen, verfahren zu ihrer herstellung und ihre verwendung
DE3822490 1988-07-02

Publications (3)

Publication Number Publication Date
EP0349935A2 EP0349935A2 (fr) 1990-01-10
EP0349935A3 true EP0349935A3 (fr) 1991-05-08
EP0349935B1 EP0349935B1 (fr) 1993-06-09

Family

ID=6357862

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89112049A Expired - Lifetime EP0349935B1 (fr) 1988-07-02 1989-07-01 Solutions aqueuses de resines polyamide-amine-epichlorhydrine, leur procédé de préparation et leur utilisation

Country Status (5)

Country Link
US (1) US5019606A (fr)
EP (1) EP0349935B1 (fr)
AT (1) ATE90405T1 (fr)
DE (2) DE3822490A1 (fr)
ES (1) ES2058408T3 (fr)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5171795A (en) * 1990-08-01 1992-12-15 Hercules Incorporated Process for the production of improved polyaminopolyamide epichlorohydrin resins
US5239047A (en) * 1990-08-24 1993-08-24 Henkel Corporation Wet strength resin composition and method of making same
US5364927A (en) * 1990-08-24 1994-11-15 Henkel Corporation Wet strength resin composition and method of making same
US5714552A (en) * 1990-11-30 1998-02-03 Hercules Incorporated Process for making epichlorohydrin resins
CA2066378C (fr) * 1991-04-24 2000-09-19 David J. Hardman Deshalogenation de composes organohalogenes
DE4114657A1 (de) * 1991-05-06 1992-11-12 Hoechst Ag Waessrige loesungen von kationischen polyamidoamin-harzen
SK279996B6 (sk) * 1991-06-19 1999-06-11 Akzo Nobel N. V. Vodorozpustná živica na báze epihalogénhydrínu obs
DE4136289A1 (de) * 1991-11-04 1993-05-06 Bayer Ag, 5090 Leverkusen, De Verfahren zur herstellung von polykondensaten
US5256727A (en) * 1992-04-30 1993-10-26 Georgia-Pacific Resins, Inc. Resins with reduced epichlorohydrin hydrolyzates
DE4240110A1 (de) * 1992-11-28 1994-06-01 Basf Ag Kondensationsprodukte von Polyalkylenpolyaminen, Verfahren zu ihrer Herstellung und ihre Verwendung bei der Herstellung von Papier
USH1613H (en) * 1993-07-26 1996-11-05 Hercules Incorporated Polyamide-epichlorohydrin wet-strength resins with reduced content of epichlorohydrin-derived by-products in-situ solvent extraction
DE4426008A1 (de) 1994-07-22 1996-01-25 Cassella Ag Hydrophile, hochquellfähige Hydrogele
US5567798A (en) * 1994-09-12 1996-10-22 Georgia-Pacific Resins, Inc. Repulpable wet strength resins for paper and paperboard
US5614597A (en) 1994-12-14 1997-03-25 Hercules Incorporated Wet strength resins having reduced levels of organic halogen by-products
JPH08302006A (ja) * 1995-05-09 1996-11-19 Mitsubishi Gas Chem Co Inc 低塩素変性ポリアミンおよび水系エポキシ樹脂硬化剤
US5972691A (en) * 1995-06-07 1999-10-26 Hercules Incorporated Dehalogenation of polyamine, neutral curing wet strength resins
US5773507A (en) * 1995-08-25 1998-06-30 Henkel Corporation Anti-static composition and process for making same
US5786429A (en) * 1996-04-18 1998-07-28 Hercules Incorporated Highly branched polyamidoamines and their preparation
DE19722340A1 (de) * 1997-05-28 1998-12-03 Clariant Gmbh Wasserquellbare, hydrophile Polymerzusammensetzungen
DE19728789A1 (de) 1997-07-05 1999-01-07 Bayer Ag Naßfestmittel mit niedrigem DCP-Gehalt
US6294645B1 (en) * 1997-07-25 2001-09-25 Hercules Incorporated Dry-strength system
US6222006B1 (en) * 1997-08-13 2001-04-24 Fort James Corporation Wet strength thermosetting resin formulations and polyaminamide polymers suitable for use in the manufacture of paper products
US5942085A (en) * 1997-12-22 1999-08-24 The Procter & Gamble Company Process for producing creped paper products
US6429267B1 (en) * 1997-12-31 2002-08-06 Hercules Incorporated Process to reduce the AOX level of wet strength resins by treatment with base
DE19807502B4 (de) 1998-02-21 2004-04-08 Basf Ag Verfahren zur Nachvernetzung von Hydrogelen mit 2-Oxazolidinonen, daraus hergestellte Hydrogele und deren Verwendung
US6503979B1 (en) 1998-02-26 2003-01-07 Basf Aktiengesellschaft Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones
US6291023B1 (en) * 1998-04-22 2001-09-18 Sri International Method and composition for textile printing
DE19854573A1 (de) 1998-11-26 2000-05-31 Basf Ag Verfahren zur Nachvernetzung von Hydrogelen mit 2-Oxo-tetrahydro-1,3-oxazinen
DE19854574A1 (de) 1998-11-26 2000-05-31 Basf Ag Verfahren zur Nachvernetzung von Hydrogelen mit N-Acyl-2-Oxazolidinonen
EP1770109B1 (fr) * 1999-06-11 2012-08-08 Hercules Incorporated Procédé de préparation de résines polyamine-épihalohydrin ayant une teneur diminuée en produits secondaires
US20030070783A1 (en) * 2000-12-09 2003-04-17 Riehle Richard James Reduced byproduct high solids polyamine-epihalohydrin compositions
CA2398630C (fr) * 2000-12-09 2009-02-24 Hercules Incorporated Compositions de polyamine-epihalohydrine a haute teneur en solides et sous-produits reduits
KR20040040487A (ko) * 2001-10-05 2004-05-12 바스프 악티엔게젤샤프트 모르폴린 2,3-디온에 의한 하이드로겔의 가교결합 방법
US7081512B2 (en) * 2003-05-21 2006-07-25 Hercules Incorporated Treatment of resins to lower levels of CPD-producing species and improve gelation stability
DE102004038015A1 (de) * 2004-08-04 2006-03-16 Basf Ag Verfahren zur Nachvernetzung wasserabsorbierender Polymere mit zyklischen Carba-maten und/oder zyklischen Harnstoffen
DE102004057868A1 (de) * 2004-11-30 2006-06-01 Basf Ag Unlösliche Metallsulfate in wasserabsorbierenden Polymerpartikeln
US20060142432A1 (en) * 2004-12-29 2006-06-29 Harrington John C Retention and drainage in the manufacture of paper
US7589153B2 (en) * 2005-05-25 2009-09-15 Georgia-Pacific Chemicals Llc Glyoxalated inter-copolymers with high and adjustable charge density
US7576162B2 (en) * 2005-06-30 2009-08-18 Akzo Nobel N.V. Chemical process
US20070053934A1 (en) * 2005-08-26 2007-03-08 Neville Kallenbach Polyvalent multimeric composition containing active polypeptides, pharmaceutical compositions and methods of using the same
MY150700A (en) * 2006-08-24 2014-02-28 Hercules Inc Adhesive composition of low molecular weight polyaminopolyamide-epichlorohydrin (pae) resin and protein
US7932349B2 (en) 2006-09-18 2011-04-26 Hercules Incorporated Membrane separation process for removing residuals polyamine-epihalohydrin resins
US20080292886A1 (en) * 2007-03-23 2008-11-27 Hercules Inc. Adhesive formulations containing urea additives, methods of forming plywood therewith, and plywood products made thereby
US7868071B2 (en) * 2007-07-30 2011-01-11 Georgia-Pacific Chemicals Llc Method of stabilizing aqueous cationic polymers
PL2197970T3 (pl) * 2007-10-09 2011-10-31 Hercules Inc Kompozycje adhezyjne zawierające środek sieciujący
EP2148003A1 (fr) * 2008-07-22 2010-01-27 Mühle Rüningen GmbH & Co. KG Procédé pour la production d'un produit contenant de l'amidon modifié, produit contenant de l'amidon modifié obtenu par ce procédé et son utilisation dans la fabrication de papier
WO2011009812A1 (fr) 2009-07-20 2011-01-27 Akzo Nobel Coatings International B.V. Système adhésif et procédé de production d’un produit à base de bois
EP2456835A1 (fr) 2009-07-20 2012-05-30 Akzo Nobel Coatings International B.V. Système adhésif et procédé de production d un produit à base de bois
RU2577362C2 (ru) 2010-12-10 2016-03-20 Акцо Нобель Коатингс Интернэшнл Б.В. Водная связующая композиция, содержащая синтетический полимер и люпиновый белок
US20120247697A1 (en) 2011-03-29 2012-10-04 Kemira Oyj Polyamine Polyamidoamine Epihaloohydrin Compositions and Processes for Preparing and Using the Same
BR112013026913B1 (pt) 2011-04-21 2020-05-26 Ecolab Usa Inc. Processo para produzir uma composição de resina de poliamidoamina-epialoidrina
US9797094B2 (en) 2011-09-30 2017-10-24 Kemira Oy J Paper and methods of making paper
US9777434B2 (en) 2011-12-22 2017-10-03 Kemira Dyj Compositions and methods of making paper products
CA2886043A1 (fr) 2012-09-26 2014-04-03 Kemira Oyj Materiaux absorbants, produits les contenant, compositions et procedes de fabrication de ces materiaux absorbants
CA2893807C (fr) 2012-12-06 2021-03-23 Kemira Oyj Compositions utilisees dans du papier et procedes de fabrication de papier
US9562326B2 (en) 2013-03-14 2017-02-07 Kemira Oyj Compositions and methods of making paper products
WO2016025707A1 (fr) 2014-08-13 2016-02-18 Solenis Technologies, L.P. Procédé pour améliorer les performances de résines à résistance humide par activation de base
CN105348524A (zh) * 2015-12-14 2016-02-24 广东省造纸研究所 一种环境友好型pae造纸湿强剂的制备方法
CN106589420A (zh) * 2015-12-15 2017-04-26 广东省造纸研究所 一种低氯丙醇pae造纸湿强剂的制备方法
WO2020181092A1 (fr) * 2019-03-05 2020-09-10 Kemira Oyj Compositions et méthodes comprenant des résines de renforcement à l'état humide
CN111203197A (zh) * 2020-01-14 2020-05-29 吉首大学 基于环氧和氨基交联的吸附材料及其制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0131200A2 (fr) * 1983-07-01 1985-01-16 Hoechst Aktiengesellschaft Produits réactionnels solubles dans l'eau, qui sont essentiellement exempts de liaisons d'ester, à partir d'épihalohydrine et de polyamidoamines basiques qui sont solubles dans l'eau, procédé pour leur préparation et leur utilisation

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL110447C (fr) * 1957-09-05
US3240761A (en) * 1962-07-10 1966-03-15 Hercules Powder Co Ltd Cationic thermosetting quaternized polyamide-epichlorohydrin resins and method of preparing same
US3352833A (en) * 1963-12-31 1967-11-14 Hercules Inc Acid stabilization and base reactivation of water-soluble wet-strength resins
US3332901A (en) * 1966-06-16 1967-07-25 Hercules Inc Cationic water-soluble polyamide-epichlorohydrin resins and method of preparing same
US3647763A (en) * 1970-04-13 1972-03-07 Nat Starch Chem Corp Chain extended polyamine resin compositions
DE2434816C3 (de) * 1974-07-19 1981-01-22 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von stickstoffhaltigen Kondensationsprodukten und deren Verwendung als Retentionsmittel, Flockungsmittel und Entwässerungsbeschleuniger bei der Papierherstellung
FR2292729A1 (fr) * 1974-11-29 1976-06-25 Protex Manuf Prod Chimiq Procede de preparation de resines cathioniques thermodurcissables, resines obtenues suivant ce procede et leurs applications, notamment pour l'amelioration de la resistance a l'etat humide du papier
JPS54159496A (en) * 1978-06-07 1979-12-17 Sumitomo Chem Co Ltd Preparation of aqueous solution of cationic thermosetting resin
DE2949870A1 (de) * 1979-12-12 1981-06-19 Hoechst Ag, 6230 Frankfurt Kondensationsprodukte zur erhoehung der nassfestigkeit von papier
DE3003648A1 (de) * 1980-02-01 1981-08-06 Basf Ag, 6700 Ludwigshafen Verfahren zur zerstellung von wasserloeslichen, stickstoffhaltigen kondensationsprodukten und deren verwendung bei der papierherstellung
DE3135830A1 (de) * 1981-09-10 1983-03-24 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von wasserloeslichen, stickstoffhaltigen kondensationsprodukten und deren verwendung bei der papierherstellung
DD218276A1 (de) * 1983-07-21 1985-02-06 Univ Leipzig Verfahren zum herstellen monoklonaler antikoerper fuer ein t-zell-antigen
DD223456A1 (de) * 1984-01-18 1985-06-12 Leuna Werke Veb Verfahren zur herstellung von epoxidharzen mit niedrigem chlorgehalt
US4579667A (en) * 1984-11-07 1986-04-01 Hercules Incorporated Gelled aqueous compositions
GB8613652D0 (en) * 1986-06-05 1986-07-09 Grace W R Ab Compositions for sizing paper
US4870119A (en) * 1986-11-24 1989-09-26 Sandoz Ltd. Water-soluble polyamides containing aromatic groups
DE3708544A1 (de) * 1987-03-17 1988-09-29 Bayer Ag Stickstoffhaltige, wasserloesliche verbindungen
DE3808741A1 (de) * 1988-03-16 1989-09-28 Bayer Ag Polyamidamin-harze

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0131200A2 (fr) * 1983-07-01 1985-01-16 Hoechst Aktiengesellschaft Produits réactionnels solubles dans l'eau, qui sont essentiellement exempts de liaisons d'ester, à partir d'épihalohydrine et de polyamidoamines basiques qui sont solubles dans l'eau, procédé pour leur préparation et leur utilisation

Also Published As

Publication number Publication date
DE58904602D1 (de) 1993-07-15
US5019606A (en) 1991-05-28
ATE90405T1 (de) 1993-06-15
EP0349935B1 (fr) 1993-06-09
EP0349935A2 (fr) 1990-01-10
ES2058408T3 (es) 1994-11-01
DE3822490A1 (de) 1990-01-04

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