COMPOSITION FOR MODIFIED POLYAMIDE SYNTHESIS Russian patent published in 1996 - IPC

FIELD: chemical technology. SUBSTANCE: composition has polyamide and compound involving from 1 to 3 groups of the formula: or , or , or where R - hydrogen or methyl bound directly or through -O-, -NH-, -NHCO-, -CONH-, NHalkNH- with benzene nucleus that can contain COCl-group, or with reactive with regard to hydroxy- or amino-groups heterocyclic nucleus, or with group of the formula: -COCH= CH₂, or -CO--CH₂-CH₂SO₂C₆H₅, or -SO₂CH=CH₂, or with residue of reactive dye, or with polyamide residue at amount 1-5% of polyamide mass. Composition is prepared by mixing above mentioned compound with melted polyamide, for example, in extruder before spinning or in the process of polycondensation. EFFECT: enhanced effectiveness of composition, improved method of synthesis. 2 cl, 3 tbl