Papers by Keyword: Transfer Printing

Abstract: The transfer paper used in novel silk transfer printing with reactive dyes was prepared by coating pastes. Water-soluble polyester named ES-1, carboxymethyl cellulose (CMC), alkali and hygroscopic agent were used according each function and mixed to prepare the pastes. The solid content of ES-1 and CMC in the pastes plays a crucial role in the face K/S value of prints. The color fastness of washing and rubbing for prints are above grade 4~5 and ES-1 is hardly adhered on printed fabrics.

Abstract: The process of novel silk transfer printing included the heat-press and steaming. The temperature and pressure in the heat-press process achieved the tight adhesion between the transfer paper and silk, which also obviously affected the dye penetration in the fiber. This adhesion was the most curial precondition to transfer dye effectively, to obtain an ideal penetration, the temperature and pressure should be controlled to 95~115°C and 3~6Mpa, respectively. The steaming realized the dye transfer and dye fixation. The steaming saturation influenced the K/S value of face prints and penetration greatly and was suggested to keep 80%~98%. Moreover, the temperature and time in the steaming were better in the rang of 100~110°C and 10~25min, respectively.

Abstract: Transfer printing of Au micro-electrode patterns onto a polyimide (PI) film was investigated, and the optimum transfer conditions were obtained. Here, the line and space patterns with widths of 25 μm and 100 μm were successfully transfered on polyimide films at a molding temperature of 150 °C for 3 min under the molding pressure of 2.5 MPa. This technique is expected to provide simplified processes to fabricate electrode patterns on microelectro mechanical systems (MEMS).

Abstract: Modifier for heat transfer printing on cotton fabrics was prepared by semi-continuous emulsion polymerization process with butyl acrylate (BA), styrene (St), acrylonitrile (AN) and cross-linking monomer. FT-IR characterization of modifier groups showed that individual monomer well carried out polymerization. Transmission electron microscopy (TEM) photos demonstrated that latex particles had regular spherical shape and uniform distribution. TGA curves indicated that thermal decomposition temperature of modifier was 439 oC. As for the transfer printing products had good colour fastness, high transfer rate and no formaldehyde.

Abstract: Here a simple and direct method based on transfer printing has beep developed, in which rigid stamps transfer metal films deposited on the relief surface of the stamps onto patterned organic substrates. Ultra-precision machining technology is combined with conventional photolithography to fabricate patterned Si stamps and organic substrates by replica molding. Experiment results indicate that patterned metal films on Silicon stamps were successfully transferred onto PDMS substrates. Fabrication of patterned metal films on organic substrates by transfer printing may suit for fabricating sub-micrometer and nanometer scale features in a single process.