AR243912A1 - Procedimiento para aumentar el peso molecular de una poliamida. - Google Patents

Procedimiento para aumentar el peso molecular de una poliamida.

Info

Publication number
AR243912A1
AR243912A1 AR89315237A AR31523789A AR243912A1 AR 243912 A1 AR243912 A1 AR 243912A1 AR 89315237 A AR89315237 A AR 89315237A AR 31523789 A AR31523789 A AR 31523789A AR 243912 A1 AR243912 A1 AR 243912A1
Authority
AR
Argentina
Prior art keywords
polyamide
increasing
molecular weight
molecular
weight
Prior art date
Application number
AR89315237A
Other languages
English (en)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of AR243912A1 publication Critical patent/AR243912A1/es

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
    • C08G69/04—Preparatory processes
    • 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
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • C08G69/18—Anionic polymerisation
    • C08G69/20—Anionic polymerisation characterised by the catalysts used
    • 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
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/28—Preparatory processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
AR89315237A 1988-10-20 1989-10-20 Procedimiento para aumentar el peso molecular de una poliamida. AR243912A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/262,936 US4966949A (en) 1988-10-20 1988-10-20 Process for increasing the molecular weight of a polyamide with p containing catalyst

Publications (1)

Publication Number Publication Date
AR243912A1 true AR243912A1 (es) 1993-09-30

Family

ID=22999705

Family Applications (1)

Application Number Title Priority Date Filing Date
AR89315237A AR243912A1 (es) 1988-10-20 1989-10-20 Procedimiento para aumentar el peso molecular de una poliamida.

Country Status (11)

Country Link
US (1) US4966949A (es)
EP (1) EP0439470B1 (es)
JP (1) JP2888573B2 (es)
AR (1) AR243912A1 (es)
CA (1) CA2001090A1 (es)
DE (1) DE68919228T2 (es)
IN (1) IN171375B (es)
LV (1) LV10469B (es)
RU (1) RU2066331C1 (es)
TR (1) TR24062A (es)
WO (1) WO1990004614A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5116919A (en) * 1990-12-05 1992-05-26 E. I. Du Pont De Nemours And Company Process for increasing the relative viscosity of polyamides with reduced thermal degradation
US5142000A (en) * 1991-08-28 1992-08-25 E. I. Du Pont De Nemours And Company Process for increasing polyamide molecular weight with organophosphonic acid or ester catalysts in the presence of alumina-containing titanium dioxide
US5543495A (en) * 1994-03-08 1996-08-06 E. I. Du Pont De Nemours And Company Process for increasing the molecular weight of polyamides and other condensation polymers
US5698658A (en) * 1996-05-31 1997-12-16 E. I. Du Pont De Nemours And Company Linear very high molecular weight polyamides and process for producing them
US6169162B1 (en) 1999-05-24 2001-01-02 Solutia Inc. Continuous polyamidation process
ES2244488T3 (es) 2000-01-20 2005-12-16 Invista Technologies S.A.R.L. Proceso de extension de cadenas de poliamida y poliamidas funcionalizadas producidas por el mismo.
ES2302706T3 (es) 2000-01-20 2008-08-01 Invista Technologies S.A.R.L. Proceso para prolongar la cadena de poliamida.
US20190322805A1 (en) * 2018-04-18 2019-10-24 Invista North America S.A R.L. Flame-retardant polyamide composition

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3365428A (en) * 1965-03-25 1968-01-23 Celanese Corp Polymerization of polyamide-precursor salt in the presence of a phosphinic acid
GB1084324A (es) * 1965-06-23
US4912175A (en) * 1988-08-01 1990-03-27 E. I. Du Pont De Nemours And Company Process for in creasing polyamide molecular weight with P containing catalyst

Also Published As

Publication number Publication date
EP0439470B1 (en) 1994-11-02
DE68919228T2 (de) 1995-03-23
JP2888573B2 (ja) 1999-05-10
JPH04501126A (ja) 1992-02-27
IN171375B (es) 1992-09-26
WO1990004614A1 (en) 1990-05-03
DE68919228D1 (de) 1994-12-08
RU2066331C1 (ru) 1996-09-10
CA2001090A1 (en) 1990-04-20
EP0439470A1 (en) 1991-08-07
TR24062A (tr) 1991-02-22
US4966949A (en) 1990-10-30
LV10469B (en) 1996-02-20
LV10469A (lv) 1995-02-20

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