Abstract: A rotary screen transfer printing machine and a control system thereof. The rotary screen transfer printing machine having a feeding unit, a printing unit, a drying unit, and a receiving unit; the printing unit has at least one rotary screen transfer printing assembly and a guide belt assembly; each rotary screen transfer printing assembly has a rotary screen plate roller and a transfer roller; the rotary screen plate roller is close to the transfer roller; the transfer roller is seamlessly coated with rubber or a resin having good affinity for a water-based ink. A control system includes: a motion controller; a conveying synchronization module, used for controlling the feeding unit, the printing unit, the drying unit, and the receiving unit to synchronize the conveying speeds of the four units; and a rotary screen transfer printing synchronization module.

Abstract: A vertical double-sided rotary screen transfer printing apparatus includes a vertical rack and one or more pair of rotary screen transfer printing assemblies horizontally disposed opposite to each other. Each rotary screen transfer printing assembly includes a rotary screen plate roller and a transfer roller arranged parallel to each other. The rotary screen plate roller transfers a pattern onto the transfer roller serving as a temporary transfer carrier. The transfer roller transfers the pattern onto a fabric passing in a vertical direction between the rotary screen transfer printing assemblies opposite to each other.

Abstract: A horizontal rotary screen transfer printing device includes a frame, two or more sets of rotary screen transfer printing assemblies which are horizontally disposed on the frame, and a back-pressure roller. Each rotary screen transfer printing assembly includes a rotary screen plate roller and a transfer roller arranged parallel to each other. The rotary screen plate roller transfers a pattern onto the transfer roller serving as a temporary transfer carrier. The transfer roller transfers the pattern onto a fabric passing between the back-pressure roller and the transfer roller in a horizontal direction.

Abstract: A paperless transfer printing method includes the following steps: (a) printing, by a printing machine, aqueous ink onto a transfer printing temporary carrier in a set pattern, wherein a surface of the transfer printing temporary carrier is made of an elastic polymer material and a surface tension of the aqueous ink is less than the critical surface tension of the transfer printing temporary carrier; (b) drying the to-be-transferred pattern on the transfer printing temporary carrier; (c) wetting the transfer printing temporary carrier by using an aqueous surface tension increasing liquid; and (d) separating the aqueous solution or the aqueous dispersion liquid from the transfer printing temporary carrier at a tight-contact position between the transfer printing temporary carrier and the fabric, so that an aqueous ink dye is transferred onto the fiber of the fabric.

Abstract: A transfer dyeing method, includes: 1) coating a pretreating liquid on a front side of a fabric by a first pretreating anilox roller; 2) printing a dyeing ink on a first ink transfer roller or ink transfer ribbon by a first full-master printing plate roller; 3) transferring the dyeing ink to the front of the fabric; 4) drying the fabric and then making a back side of the fabric face to a second pretreating anilox roller; 5) coating the pretreating liquid on the back side of the fabric; 6) printing a dyeing ink that is same as or different from the dyeing ink of step 2) on a second transfer-roller or ink transfer ribbon; 7) transferring the dyeing ink to the back side of the fabric; and 8) drying the fabric, followed by color fixing, water washing and shaping.

Abstract: The present invention relates to a cold transfer printing paste, a printing colorant and preparation methods thereof. Specifically, the present invention relates to: a cold transfer printing past, which contains polysaccharide, sodium L-pyrrolidonecarboxylate, an etherified starch and water; a printing colorant, which contains the paste of the present invention, an active dye, a defoamer, a flatting agent, a pH stabilizing agent and water; and preparation methods of the paste and the printing colorant. The cold transfer printing paste of the present invention and a printing colorant containing the paste are applicable in a cold transfer printing process, and have stable physical properties, thereby preventing decrease of the viscosity in use.

Abstract: The present invention relates to a cold transfer printing paste, a printing colorant and preparation methods thereof. Specifically, the present invention relates to: a cold transfer printing past, which contains polysaccharide, sodium L-pyrrolidonecarboxylate, an etherified starch and water; a printing colorant, which contains the paste of the present invention, an active dye, a defoamer, a flatting agent, a pH stabilizing agent and water; and preparation methods of the paste and the printing colorant. The cold transfer printing paste of the present invention and a printing colorant containing the paste are applicable in a cold transfer printing process, and have stable physical properties, thereby preventing decrease of the viscosity in use.