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1. AU2001272465 - Treatment of polyamide with gas phase or acid, anhydride or amine

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Australia
Application Number 2001272465
Application Date 12.06.2001
Publication Number 2001272465
Publication Date 11.10.2001
Publication Kind A
IPC
C08G 69/46
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
69Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
46Post-polymerisation treatment
C08G 69/48
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
69Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
48Polymers modified by chemical after-treatment
D01F 6/60
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
FCHEMICAL FEATURES IN THE MANUFACTURE OF MAN-MADE FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
6Monocomponent man-made filaments or the like of synthetic polymers; Manufacture thereof
58from homopolycondensation products
60from polyamides
D06M 13/188
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D0664
13Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
10with compounds containing oxygen
184Carboxylic acids; Anhydrides, halides or salts thereof
188Monocarboxylic acids; Anhydrides, halides or salts thereof
D06M 13/203
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D0664
13Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
10with compounds containing oxygen
184Carboxylic acids; Anhydrides, halides or salts thereof
203Unsaturated carboxylic acids; Anhydrides, halides or salts thereof
D06M 13/325
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D0664
13Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
322with compounds containing nitrogen
325Amines
Applicants Basf Corporation
Inventors Brank, Scott R.
Hu, Harry Y.
Otto, M. Ilg
Priority Data 09613042 10.07.2000 US
09613042 10.07.2000 US
Title
(EN) Treatment of polyamide with gas phase or acid, anhydride or amine
Abstract
(EN) The end group content of polyamide in the solid state may be reduced b treating the polyamide with gas-phase acid, anhydride, or amine. Stain- or dye-resistant polyamide fibers can be made by reducing the number of amino end groups. Reduction in the number of carboxylic end groups reduces the rate of regeneration of starting monomers during extrusion.
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