Patent ID: 9388071
Filing Date: 2016-07-12
CPC Classification: C03C,D04H,D06M,Y10T

Claim Text:
1. Formaldehyde-free sizing composition for fibres, comprising: at least one reducing sugar, copper sulphate, at least one amine selected from the group consisting of monoethanolamine, diethanolamine, diethylenetriamine (DETA), triethylenetetramine (TETA), tetraethylenepentamine (TEPA), pentaethylenehexamine (PEHA), aminoethyltriethylenetetramine (AETETA), N″-(aminoethyl)tetraethylenepentamine and N′-(aminoethyl)tetraethylenepentamine (AETEPA), bis(piperazine)ethylene (BISPIP), aminoethylpiperazinylethylethylenediamine (AEPEEDA), piperazinylethyldiethylenetriamine (PEDETA), aminoethylpiperazinylethyldiethylenetriamine (AEPEDETA), piperazinylethyltriethylenetetramine (PETETA), tris(aminoethyl)aminoethylpiperazine (TRISAEAEP) and piperazinylethylaminoethyldiethylenetriamine (PEAEDETA), and mixtures thereof, and at least one compound comprising activated ethylenic unsaturation(s), the copper sulphate being present in an amount at least equal to 1% of the weight of the reducing sugar.