A kind of dry heat transfer printing paper for textiles and preparation method thereof

A transfer printing paper and transfer printing technology, applied in textiles and papermaking, special paper, paper, etc., can solve the problems of difficulty in controlling the degree of fabric wetting, increasing the discharge of printing and dyeing industrial wastewater, and poor stability of dye transfer. Achieve clear and high-quality patterns, shorten processing time, and improve transfer rate

Active Publication Date: 2015-08-19
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned process method has two disadvantages: on the one hand, it increases the workload of subsequent fabric washing and increases the discharge of printing and dyeing industrial wastewater; on the other hand, it is difficult to control the degree of wetting of various fabrics, making the dye The transfer stability is not good. If the fabric is wetted, the pattern will be blurred. If the fabric is not wet enough, the color will be too light.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Step 1: Prepare transfer substrate

[0032] Using water as a solvent, stir the substrate at room temperature with an electric stirrer at a speed of 500 rpm for 3 hours to prepare a light yellow viscous transfer substrate with a viscosity of about 500 mPa·s. The substrate formula is: 0.5% guar gum, 0.5% tamarind, 1% water-soluble polyester hot melt adhesive, 0.5% sodium carbonate, 0.5% urea, 0.5% glycerin, and 0.5% dicyandiamide.

[0033] Step 2: Paper Coating

[0034] The substrate is evenly coated on the paper surface with a squeeze roll coater, and the coating thickness is 0.2 mm.

[0035] Step 3: Drying and calendering

[0036] Dry the paper in an oven at 40° C. for 30 minutes, take it out, and then calender it at room temperature with a pressure of 2 MPa to prepare dry heat transfer printing paper.

[0037] Ink-jet the above printing paper with reactive dye ink to prepare ink-jet dry heat transfer printing paper. Then heat and press the unpretreated dry silk fab...

Embodiment 2

[0039] Step 1: Prepare transfer substrate

[0040] Substrate formula: sodium carboxymethylcellulose 6%, water-soluble polyester hot melt adhesive 4%, sodium trichloroacetate 5%, urea 5%, glycerin 5%, dicyandiamide 4%.

[0041] Using water and ethanol as solvents, the above substrate was stirred at room temperature with an electric mixer at a speed of 800 rpm for 6 hours to produce a milky white viscous transfer substrate with a viscosity of about 5000 mPa·s.

[0042] Step 2: Paper Coating

[0043] Use a coating machine to evenly coat the substrate on the surface of the paper with a coating thickness of 1 mm.

[0044] Step 3: Drying and calendering

[0045] Dry the paper in an oven at 70° C. for 10 minutes, take it out, and then perform calendering at room temperature with a pressure of 0.1 MPa to prepare dry heat transfer printing paper.

[0046] Ink-jet the above printing paper with reactive dye ink to prepare ink-jet dry heat transfer printing paper. Then heat and press ...

Embodiment 3

[0048] Step 1: Prepare transfer substrate

[0049] Substrate formula: sodium alginate 3%, water-soluble polyamide hot melt adhesive 3%, sodium bicarbonate 1.5%, trisodium phosphate 1.5%, urea 4%, dicyandiamide 1%.

[0050] Using water and isopropanol as solvents, the above substrate was stirred with an electric stirrer at 600 rpm for 4 hours at room temperature to produce a light yellow viscous transfer substrate with a viscosity of about 3000 mPa·s.

[0051] Step 2: Paper Coating

[0052] The substrate is evenly coated on the paper surface with a squeeze roll coater, and the coating thickness is 0.5 mm.

[0053] Step 3: Drying and calendering

[0054] Dry the paper in an oven at 60° C. for 15 minutes, take it out, and then calender it at room temperature with a pressure of 0.5 MPa to prepare dry heat transfer printing paper.

[0055] Ink-jet the above printing paper with reactive dye ink to prepare ink-jet dry heat transfer printing paper. Then the dry modal / milk silk blend...

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Abstract

The invention discloses dry heat transfer printing paper and a preparation method thereof for textiles. The method includes preparing viscous fluid with a solid content of 2-10% w / w from a high polymer thickener and a water-soluble hot melt adhesive according to a mass ratio of (1:5)-(5:1); adding assistants such as acid, alkali, an absorbent and a fixing agent into the viscous fluid according to categories of fabric and dye so as to produce a transfer substrate; and subjecting the transfer substrate to coating, drying and press polishing processing for the paper to obtain the dry heat transfer printing paper for the textiles. The paper can generate strong adhesive force on the surface under a certain temperature and pressure and can be tightly attached to the fabric. If the paper is used for printing of non-thermoplastic fabric, modified or dewing treatment is not required any more before the printing, transfer printing can be directly performed on dry-state fabric, the dye transfer stability is guaranteed, and clean and high-quality printed patterns can be obtained; and simultaneously, the processing time is shortened, waste water emission of the printing and dyeing industry is reduced, and energy saving and environment protection are facilitated.

Description

technical field [0001] The invention relates to a dry heat transfer printing paper and a preparation method thereof, belonging to the technical field of textile printing processing. Background technique [0002] The earliest dry heat transfer printing paper for textiles is widely used in the printing of polyester fabrics. This kind of printing is the well-known disperse dye sublimation transfer printing. Under high temperature and pressure, the pattern is transferred to the fabric by sublimation of disperse dyes. This printing method has the advantages of clear layers of printing patterns, strong three-dimensional effect, short process flow and strong processing flexibility. Once it came out, it attracted wide attention from people in the industry. [0003] Yet above-mentioned method is only suitable for the synthetic fiber fabrics that have thermoplasticity such as dacron, is not suitable for fabrics such as cotton, real silk. The early method is to modify the surface of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21H27/00D21H23/52D21H21/14
Inventor 陈国强李青邢铁玲王彦
Owner SUZHOU UNIV
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