DE69521885T2 - Herstellung von polyasparaginsäure aus maleinsäure und ammoniak - Google Patents

Herstellung von polyasparaginsäure aus maleinsäure und ammoniak

Info

Publication number
DE69521885T2
DE69521885T2 DE69521885T DE69521885T DE69521885T2 DE 69521885 T2 DE69521885 T2 DE 69521885T2 DE 69521885 T DE69521885 T DE 69521885T DE 69521885 T DE69521885 T DE 69521885T DE 69521885 T2 DE69521885 T2 DE 69521885T2
Authority
DE
Germany
Prior art keywords
acid
ammonia
production
polyasparagic
maleic acid
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
DE69521885T
Other languages
English (en)
Other versions
DE69521885D1 (de
Inventor
P Koskan
Rehman Meah
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.)
Donlar Corp
Original Assignee
Donlar Corp
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 Donlar Corp filed Critical Donlar Corp
Application granted granted Critical
Publication of DE69521885D1 publication Critical patent/DE69521885D1/de
Publication of DE69521885T2 publication Critical patent/DE69521885T2/de
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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • 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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/10—Alpha-amino-carboxylic acids
    • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyamides (AREA)
DE69521885T 1994-01-28 1995-01-26 Herstellung von polyasparaginsäure aus maleinsäure und ammoniak Expired - Lifetime DE69521885T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/188,539 US5373088A (en) 1992-09-18 1994-01-28 Production of polyaspartic acid from maleic acid and ammonia
PCT/US1995/001008 WO1995020618A1 (en) 1994-01-28 1995-01-26 Production of polyaspartic acid from maleic acid and ammonia

Publications (2)

Publication Number Publication Date
DE69521885D1 DE69521885D1 (de) 2001-08-30
DE69521885T2 true DE69521885T2 (de) 2002-04-11

Family

ID=22693581

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521885T Expired - Lifetime DE69521885T2 (de) 1994-01-28 1995-01-26 Herstellung von polyasparaginsäure aus maleinsäure und ammoniak

Country Status (7)

Country Link
US (1) US5373088A (de)
EP (1) EP0745103B1 (de)
JP (1) JPH09508428A (de)
AU (1) AU687158B2 (de)
DE (1) DE69521885T2 (de)
MX (1) MXPA96003027A (de)
WO (1) WO1995020618A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4300020A1 (de) * 1993-01-02 1994-07-07 Basf Ag Verfahren zur Herstellung von Polymerisaten der Asparaginsäure und ihre Verwendung
US5491213A (en) * 1994-01-28 1996-02-13 Donlar Corporation Production of polysuccinimide
US5552516A (en) * 1994-06-22 1996-09-03 Donlar Corporation Soluble, crosslinked polyaspartates
US5681920A (en) * 1994-06-28 1997-10-28 Donlar Corporation Process for production of a polysuccinimide and derivatives thereof
US5521257A (en) * 1995-01-03 1996-05-28 Donlar Corporation Hydrolysis of polysuccinimide to produce low-color polyaspartic acid and salts thereof
DE19513718A1 (de) * 1995-04-11 1996-10-17 Bayer Ag Verfahren zur Entfärbung von N-haltigen Polymeren
US5686066A (en) * 1995-10-05 1997-11-11 Mitsui Toatsu Chemicals, Inc. Polyaspartic acid Zwitterionic derivatives, preparation processes thereof, hair-treating compositions and cosmetic compositions
US5610264A (en) * 1995-11-16 1997-03-11 Calwood Chemical Industries, Inc. Continuous process for polyaspartic acid synthesis
US5688904A (en) * 1995-11-16 1997-11-18 Calwood Chemical Industries Inc. Polyaspartic acid catalysis
US5872285A (en) * 1996-06-10 1999-02-16 Donlar Corporation Production of D,L-aspartic acid
US5981691A (en) * 1997-04-23 1999-11-09 University Of South Alabama Imide-free and mixed amide/imide thermal synthesis of polyaspartate
WO2007024753A2 (en) * 2005-08-18 2007-03-01 Regal Chemical Company Slow-release fertilizer and method of making and using same
KR100764933B1 (ko) * 2006-09-25 2007-10-09 애경유화 주식회사 무수말레인산을 이용한 폴리아스파르틱산의 제조방법
CN103638820A (zh) * 2013-12-03 2014-03-19 李洪社 环境友好型海水淡化膜用阻垢剂
CN104788674B (zh) * 2015-04-21 2017-07-28 吴有庭 一种离子液体‑聚醚混合液为催化剂和反应介质的聚天冬氨酸制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5288783A (en) * 1992-05-14 1994-02-22 Srchem Incorporated Preparation of salt of polyaspartic acid by high temperature reaction
US5286810A (en) * 1992-08-07 1994-02-15 Srchem Incorporated Salt of polymer from maleic acid, polyamind and ammonia
US5292864A (en) * 1992-08-07 1994-03-08 Srchem Incorporated Decolorizing polyaspartic acid polymers
US5296578A (en) * 1992-09-18 1994-03-22 Donlar Corporation Production of polysuccinimide and polyaspartic acid from maleic anhydride and ammonia

Also Published As

Publication number Publication date
EP0745103B1 (de) 2001-07-25
MXPA96003027A (es) 2005-03-09
US5373088A (en) 1994-12-13
AU1607295A (en) 1995-08-15
WO1995020618A1 (en) 1995-08-03
AU687158B2 (en) 1998-02-19
EP0745103A4 (de) 1997-03-19
JPH09508428A (ja) 1997-08-26
DE69521885D1 (de) 2001-08-30
EP0745103A1 (de) 1996-12-04

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Legal Events

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8364 No opposition during term of opposition