ES2137582T3 - Procedimiento para el desteñido de polimeros que contienen n. - Google Patents

Procedimiento para el desteñido de polimeros que contienen n.

Info

Publication number
ES2137582T3
ES2137582T3 ES96105011T ES96105011T ES2137582T3 ES 2137582 T3 ES2137582 T3 ES 2137582T3 ES 96105011 T ES96105011 T ES 96105011T ES 96105011 T ES96105011 T ES 96105011T ES 2137582 T3 ES2137582 T3 ES 2137582T3
Authority
ES
Spain
Prior art keywords
polymers containing
fading
procedure
discolorate
activated hydrogen
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.)
Expired - Lifetime
Application number
ES96105011T
Other languages
English (en)
Inventor
Torsten Dr Groth
Winfried Dr Joentgen
Lutz Dr Heuer
Gerd Schmitz
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
Priority claimed from DE19513718A external-priority patent/DE19513718A1/de
Priority claimed from DE1995128779 external-priority patent/DE19528779A1/de
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2137582T3 publication Critical patent/ES2137582T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polyamides (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

POLIMEROS QUE CONTIENEN N CON UNIDADES DE SUCCINILO QUE SE REPITEN SE DECOLORAN CON HIDROGENO ACTIVADO.
ES96105011T 1995-04-11 1996-03-29 Procedimiento para el desteñido de polimeros que contienen n. Expired - Lifetime ES2137582T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19513718A DE19513718A1 (de) 1995-04-11 1995-04-11 Verfahren zur Entfärbung von N-haltigen Polymeren
DE1995128779 DE19528779A1 (de) 1995-08-04 1995-08-04 Verfahren zur Entfärbung von N-haltigen Polymeren

Publications (1)

Publication Number Publication Date
ES2137582T3 true ES2137582T3 (es) 1999-12-16

Family

ID=26014336

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96105011T Expired - Lifetime ES2137582T3 (es) 1995-04-11 1996-03-29 Procedimiento para el desteñido de polimeros que contienen n.

Country Status (4)

Country Link
EP (1) EP0737704B1 (es)
JP (1) JPH08283410A (es)
DE (1) DE59602841D1 (es)
ES (1) ES2137582T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025223955A1 (en) 2024-04-25 2025-10-30 Basf Se Method for producing polyaspartic acid, polyaspartic acid and its use

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5322906A (en) * 1991-02-27 1994-06-21 Board Of Regents, The University Of Texas System Synthesis of complex polyamines for ampholyte production
JPH05345821A (ja) * 1991-07-09 1993-12-27 Tosoh Corp ポリアルキレンポリアミンの脱色方法
JP3281036B2 (ja) * 1991-07-09 2002-05-13 東ソー株式会社 ポリアルキレンポリアミンの脱色方法
US5292864A (en) * 1992-08-07 1994-03-08 Srchem Incorporated Decolorizing polyaspartic acid polymers
EP0650995B1 (de) * 1993-11-02 2000-01-05 Bayer Ag Verfahren zur Herstellung von Asparaginsäure-haltigen Polymeren

Also Published As

Publication number Publication date
EP0737704B1 (de) 1999-08-25
JPH08283410A (ja) 1996-10-29
EP0737704A1 (de) 1996-10-16
DE59602841D1 (de) 1999-09-30

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