CA2195932A1 - Procede d'obtention de polymeres a mailles succinyl - Google Patents

Procede d'obtention de polymeres a mailles succinyl

Info

Publication number
CA2195932A1
CA2195932A1 CA002195932A CA2195932A CA2195932A1 CA 2195932 A1 CA2195932 A1 CA 2195932A1 CA 002195932 A CA002195932 A CA 002195932A CA 2195932 A CA2195932 A CA 2195932A CA 2195932 A1 CA2195932 A1 CA 2195932A1
Authority
CA
Canada
Prior art keywords
acid
reaction
polymer
units
reaction mixture
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.)
Abandoned
Application number
CA002195932A
Other languages
English (en)
Inventor
Torsten Groth
Winfried Joentgen
Frank Dobert
Ursula Pentling
Paul Wagner
Klaus-Peter Heise
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of CA2195932A1 publication Critical patent/CA2195932A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1092—Polysuccinimides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
CA002195932A 1996-01-29 1997-01-24 Procede d'obtention de polymeres a mailles succinyl Abandoned CA2195932A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19603052.8 1996-01-29
DE19603052A DE19603052A1 (de) 1996-01-29 1996-01-29 Verfahren zur Herstellung von Polymeren mit wiederkehrenden Succinyl-Einheiten

Publications (1)

Publication Number Publication Date
CA2195932A1 true CA2195932A1 (fr) 1997-07-30

Family

ID=7783928

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002195932A Abandoned CA2195932A1 (fr) 1996-01-29 1997-01-24 Procede d'obtention de polymeres a mailles succinyl

Country Status (5)

Country Link
JP (1) JPH09208694A (fr)
CA (1) CA2195932A1 (fr)
DE (1) DE19603052A1 (fr)
FR (1) FR2744126B1 (fr)
GB (1) GB2307689A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19636190A1 (de) * 1996-09-06 1998-03-12 Bayer Ag Verfahren zur Herstellung von Polymeren mit wiederkehrenden Succinyleinheiten
DE19740787A1 (de) * 1997-09-17 1999-03-18 Bayer Ag Verfahren zur Verbesserung der Plastizität von keramischen Massen und Umkehr dieser Wirkung
US6136950A (en) 1997-09-23 2000-10-24 Mbt Holding Ag Highly efficient cement dispersants
ATE253550T1 (de) * 1999-07-23 2003-11-15 Bayer Ag In-situ herstellung einer polyasparaginsäureestermischung
DE10101671A1 (de) * 2000-08-25 2002-03-14 Bayer Ag Verfahren zur Konditionierung stehender und fließender Wassersysteme
US20030230407A1 (en) 2002-06-13 2003-12-18 Vijn Jan Pieter Cementing subterranean zones using cement compositions containing biodegradable dispersants
DE102005010855A1 (de) * 2005-03-10 2006-09-14 Lanxess Deutschland Gmbh Verfahren zur Wasserkonditionierung
ES2345173T3 (es) * 2007-12-20 2010-09-16 Lanxess Deutschland Gmbh Tratamiento de vias de comunicacion.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3626672A1 (de) * 1986-08-07 1988-02-11 Bayer Ag Polyasparaginamidsaeure
US5373086A (en) * 1991-03-19 1994-12-13 Donlar Corporation Polyaspartic acid having more than 50% β form and less that 50% α form
US5286810A (en) * 1992-08-07 1994-02-15 Srchem Incorporated Salt of polymer from maleic acid, polyamind and ammonia
US5219952A (en) * 1992-09-18 1993-06-15 Donlar Corporation Production of high molecular weight polysuccinimide and high molecular weight polyaspartic acid from maleic anhydride and ammonia
DE4244031A1 (de) * 1992-12-24 1994-06-30 Bayer Ag Verfahren zur Herstellung und Verwendung von Polyasparaginsäure und ihrer Salze
EP0650995B1 (fr) * 1993-11-02 2000-01-05 Bayer Ag Procédé pour la préparation de polymères à partir d'acide aspartique
US5493004A (en) * 1994-04-08 1996-02-20 Bayer Ag Process for the preparation of polysuccinimide
US5466779A (en) * 1994-05-17 1995-11-14 Donlar Corporation Production of polysuccinimide

Also Published As

Publication number Publication date
GB9700757D0 (en) 1997-03-05
FR2744126A1 (fr) 1997-08-01
GB2307689A (en) 1997-06-04
JPH09208694A (ja) 1997-08-12
FR2744126B1 (fr) 1999-03-05
DE19603052A1 (de) 1997-07-31

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Legal Events

Date Code Title Description
FZDE Discontinued