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US 10,844,537 B2Granted
Method to produce a dye for fabrics starting from textile waste material, method to dye fabrics
OwnerAndrea Venierinventor
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Abstract
A method to produce a dye, which is suited to be applied on fabrics, starts from textile waste material. The method includes an initial step, during which textile waste material is provided, which includes textile fibers, which were previously dyed. In a pulverization step, the textile fibers are pulverized to obtain the dye.
Claims11
A method to produce a dye, which is suited to be applied on fabrics, starting from textile waste material, said method comprising the following steps:
- an initial step, during which textile waste material is provided, which comprises textile fibers which were previously dyed, wherein the textile fibers are selected from:
- natural fibers of animal or plant origin, artificial fibers, or mixtures thereof;
- an application step comprising applying a reactive substance to the textile fibers to make the textile fibers more fragile, wherein the reactive substance comprises colloidal silicic acid;
- and
- a pulverization step after the application step, during which said textile fibers are pulverized to obtain the dye which is a powder.
2 more elements
Dependencies are inferred from the claim text.