Naoci-h2o2 cotton cloth bleaching

Claim 1

A PROCESS OF BLEACHING TO PRODUCE COTTON CLOTH OF HIGH ABSORBENCY, HIGH WHITENESS, LOW FLUIDITY AND LOW ASH CONTENT WHICH COMPRISES (A) TREATING COTTON CLOTH IN SEQUENTIAL MANNER BY IMMERSING THE COTTON CLOTH FOR A PERIOD OF TIME FROM ABOUT 10 SECONDS TO LESS THAN 3 MINUTES IN AN AQUEOUS SOLUTION OF NAOCL PREPARED SOLELY BY CHLORINATING CAUSTIC SODA TO AVIID THE INTRODUCTION OF CARBONATE IONS, AT A TEMPERATURE BETWEEN 5-45* C. CONTAINING 0.5-3 GRAMS PER LITER NAOCL AND HAVING A PH VALUE OF 9.0-12.0, (B) SQUEEZING THE CLOTH IMPREGNATED WITH SODIUM HYPOCHLORITE SOLUTION TO 70-150% SATURATION AND MAINTAINING THE THUS SQUEEZED CLOTH AT A TEMPERATURE BETWEEN 5-45* C. FOR A PERIOD OF ABOUT 5-45 MINUTES, (C) THEREAFTER DIRECTLY IMMERSING THE CLOTH IN A HYDROGEN PEROXIDE SOLUTION CONTAINING 2.0-12.0 GRAMS SODIUM SILICATE PER LITER AS AN ADDITIVE AND HAVING A PH OF 10.0-12.0 AT A TEMPERATURE WITHIN THE RANGE OF 0-80* C., (D) SQUEEZING THE CLOTH IMPREGNATED WITH THE HYDROGEN PEROXIDE SOLUTION TO 70-150% SATURATION AND MAINTAINING THE THUS SQUEEZED CLOTH AT A TEMPERATURE WITHIN THE RANGE OF 75-150* C. FOR A PERIOD OF 1/4-2 HOURS, (E) AND WASHING THE THUS TREATED CLOTH WITH WATER.