Disclosed are a process for inkjet printing color images on various substrates using a formaldehyde-free crosslinking agent in the ink composition, which is therefore devoid of formaldehyde emission and suitable for health-aware manufacturing practices, as well as objects having images and designs printed thereon which are devoid of formaldehyde and therefore suitable for use by infants.

A printing ink for a washing-free cold transfer printing process and a method for printing a polyester fabric by using the printing ink are provided. The printing ink includes a thickener, a disperse dye, a binder, a surfactant, a dispersant and water. The thickener is a waterborne polyurethane thickener with a solid content of about 20-40% and preferably about 25-35%, and the waterborne polyurethane thickener has the following structure:

##STR00001##

where m is 8-20, preferably 8-15, n is 15-25, preferably 17-20, and k is 1-8, preferably 2-6.

A method is disclosed for producing denim-effect garments by the following steps: 1) printing a reactive dye ink onto a PET film to form a pattern thereby obtaining a transfer printed PET film; 2) transfer printing a base pulp-treated fabric by attaching the transfer printed PET film thereby obtaining a denim-effect fabric; 3) cutting, sewing, washing to soften, and drying the denim-effect fabric and thereby obtaining a denim-effect garment. The method has the advantages of simple production, being environmentally friendly, having high efficiency, and being suitable for flexible fabrics, and the produced denim-effect garment of the invention has the advantages of having a good color fastness to rubbing, washing resistance, and having a diversity of patterns, and are suitable for large-scale production and application.

A method is disclosed for producing denim-effect garments by the following steps: 1) printing a reactive dye ink onto a PET film to form a pattern thereby obtaining a transfer printed PET film; 2) transfer printing a base pulp-treated fabric by attaching the transfer printed PET film thereby obtaining a denim-effect fabric; 3) cutting, sewing, washing to soften, and drying the denim-effect fabric and thereby obtaining a denim-effect garment. The method has the advantages of simple production, being environmentally friendly, having high efficiency, and being suitable for flexible fabrics, and the produced denim-effect garment of the invention has the advantages of having a good color fastness to rubbing, washing resistance, and having a diversity of patterns, and are suitable for large-scale production and application.

Provided are a textile printing ink set including a pretreatment liquid including a quaternary ammonium cation having a molecular weight of 3000 or less, and an ink composition including a water-insoluble dye, a dispersing agent, and water, wherein a content of the quaternary ammonium cation relative to a total amount of the pretreatment liquid is 5 mass % to 20 mass %; and a textile printing method.

Provided are a textile printing ink set including a pretreatment liquid including a quaternary ammonium cation having a molecular weight of 3000 or less, and an ink composition including a water-insoluble dye, a dispersing agent, and water, wherein a content of the quaternary ammonium cation relative to a total amount of the pretreatment liquid is 5 mass % to 20 mass %; and a textile printing method.

Aqueous ink for textile printing comprising a disperse dye, a dispersant and lignin. A manufacturing method of this ink is provided. An inkjet recording method on textile fabric using the aqueous ink comprising a disperse dye, a dispersant and lignin is also provided.

Aqueous ink for textile printing comprising a disperse dye, a dispersant and lignin. A manufacturing method of this ink is provided. An inkjet recording method on textile fabric using the aqueous ink comprising a disperse dye, a dispersant and lignin is also provided.