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Method for precisely evaluating sharpness of pattern contour of printing gum

A technology of printing paste and clarity, applied in the field of fabric printing, to achieve the effect of simple and convenient method, accurate result and fine pattern printing performance

Inactive Publication Date: 2014-05-21
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are no reports at home and abroad on the quantitative evaluation method of the outline definition of paste patterns.

Method used

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  • Method for precisely evaluating sharpness of pattern contour of printing gum
  • Method for precisely evaluating sharpness of pattern contour of printing gum
  • Method for precisely evaluating sharpness of pattern contour of printing gum

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A method for accurately evaluating the outline definition of printing paste patterns, comprising the steps of:

[0023] (1) According to the printing paste prescription: 1% K-type Argosol Red P-4B, 5% urea, 1% resist salt S, 1% sodium bicarbonate, 70% original paste. Adjust the viscosity of the color paste to 10000±1000mPa·s (25±1°C, No. 4 rotor, 30r / min, measured by SNB-2 digital rotational viscometer).

[0024] On a flat screen of 180 mesh, the diameter of the magnetic rod is 8mm, the speed of the vehicle is 6m / min, and the magnetic force is 3 # Cotton fabrics were printed with reactive dyes under certain printing conditions. Print two groups of straight lines, each group consists of three identical straight lines arranged in parallel, one group is a thin line with a length of 10 cm and a thickness of 200 μm, and the other group is a group of thick lines with a length of 10 cm and a thickness of 800 μm.

[0025] (2) After drying the printed lines, measure the finene...

Embodiment 2

[0034] A method for accurately evaluating the outline definition of printing paste patterns, comprising the steps of:

[0035] (1) According to the printing color paste prescription: 1% K-type Argosol Red P-4B, 5% urea, 1% anti-staining salt S, 1% sodium bicarbonate, 70% original paste, prepare printing color paste.

[0036] On a flat screen of 180 mesh, the diameter of the magnetic rod is 8mm, the speed of the vehicle is 6m / min, and the magnetic force is 3 # Cotton fabrics were printed with reactive dyes under certain printing conditions. Print two groups of straight lines, each group consists of three identical straight lines arranged in parallel, one group is a thin line with a length of 10 cm and a thickness of 200 μm, and the other group is a group of thick lines with a length of 10 cm and a thickness of 800 μm.

[0037] (2) After drying the printed lines, measure the fineness of the lines on the fabric with an electron microscope, measure the line fineness of a point at...

Embodiment 3

[0047] A method for accurately evaluating the outline definition of printing paste patterns, comprising the steps of:

[0048] (1) Cotton fabric reactive dye printing paste prescription: 1% K-type Argosol Red P-4B, 5% urea, 1% resist salt S, 1% sodium bicarbonate, 70% raw paste (sodium alginate raw Paste mass fraction is 3%).

[0049] Prescription of disperse dye printing color paste for polyester fabric: 1% Artron Red S-G, 1% urea, 0.1% tartaric acid, 70% raw paste (mass fraction of sodium alginate raw paste is 3%).

[0050] Prescription of polyester-cotton fabric dispersion / reactive homogeneous printing color paste: 1% Artron Red S-G, 1% K-type Argosol Red P-4B, 5% urea, 1% resist salt S, 1% sodium bicarbonate, 70% raw paste (mass fraction of sodium alginate raw paste is 3%).

[0051] On a flat screen of 180 mesh, the diameter of the magnetic rod is 8mm, the speed of the vehicle is 6m / min, and the magnetic force is 3 # Two sets of straight lines are printed under the printi...

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Abstract

The invention relates to a method for precisely evaluating the sharpness of the pattern contour of printing gum. The method comprises the steps of (1) mixing the printing gum, and printing two groups of straight lines on a fabric, wherein each group consists of three same straight lines which are parallel to one another, one group consists of thin lines which are 10cm long and 100-400 microns thick, and the other group consists of thick lines which are 10cm long and 400-1,000 microns thick; (2) measuring the thicknesses of the lines on the fabric through an electronic microscope after the two groups of printed straight lines are dried, wherein the line thickness of a point is measured on each straight line at an interval of 1cm, and 30 points are measured on each group of straight lines; (3) calculating the line thicknesses and the non-uniformity so as to evaluate the sharpness of the pattern contour of the printing gum. According to the method for precisely evaluating the sharpness of the pattern contour of the printing gum, conventional visual measurement is changed into quantitative research; the method is simple and feasible; the fine pattern printing performance of the gum can be accurately reflected.

Description

technical field [0001] The invention belongs to the field of fabric printing methods, in particular to a method for accurately evaluating the outline definition of printing paste patterns. Background technique [0002] With the improvement of people's living standards, clothes with novel patterns are increasingly favored by people, which puts forward higher requirements for the fineness of printed patterns. The clarity of the outline of the pattern can reflect the degree to which the pattern is accurately displayed on the fabric, which mainly depends on the instantaneous viscosity change when the printing paste is transferred to the fiber through the screen. [0003] The outline of the pattern is well defined, which means the fineness of the printing is high, the lines are smooth and clean, the ideas are round and full, and the thickness of the lines and the size of the ideas meet the requirements. However, the current evaluation methods for pattern outline clarity are limi...

Claims

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Application Information

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IPC IPC(8): D06P5/00
Inventor 王莉莉刘保江胡春艳金雅雯闵洁
Owner DONGHUA UNIV
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