Process for the production of wash-and-wear characteristics in woven fabrics of regenerated cellulose

Claim 1

A PROCESS FOR IMPROVING THE WET CREASE RESISTANCE AND FOR PRODUCING A DRIP-DRY FINISH ON A WOVEN FABRIC OF REGENERATED CELLULOSE, WHICH COMPRISES IMMERSING THE FABRIC AT 0 TO 20*C., IN THE ABSENCE OF ANY CATALYST, IN AN AMOUNT OF AN AQUEOUS SOLUTION OF ETHYLENE DIAMINE OF 70 TO 90% STRENGTH BY WEIGHT IN EXCESS OF THAT WHICH THE FABRIC CAN TAKE UP, REMOVING THE FABRIC FROM SAID SOLUTION AND EXPRESSING EXCESS AQUEOUS SOLUTION OF ETHYLENE DIAMINE FROM THE FABRIC, ALLOWING THE AQUEOUS SOLUTION OF ETHYLENE DIAMINE ADHERENT TO THE FABRIC TO REMAIN IN CONTACT WITH THE FABRIC WHICH IS NOT LESS THAN 100% BASED ON THE WEIGHT OF THE INITIAL FABRIC FOR A TIME SUFFICIENT TO GIVE A TOTAL TIME OF CONTACT BETWEEN THE FABRIC AND THE AQUEOUS SOLUTION OF ETHYLENE DIAMINE OF 3 TO 30 MINUTES, WASHING THE FARBIC WITH WATER TO REMOVE ETHYLENE DIAMINE, DRYING THE FABRIC AND SUBJECTING IT TO COMPRESSIVE SHRINKAGE TO IMPROVE ITS DIMENSIONAL STABILITY.