Straw plaited article dyeing method

A dyeing method and straw weaving technology, applied in the field of straw weaving dyeing, can solve the problems of reduced breaking strength of straw weaving materials, corrosivity of straw weaving materials, and unstable dyeing, etc., so as to improve the ionization rate of basic dyes, promote a large number of dissociation, and achieve high dyeing fastness. Effect

Inactive Publication Date: 2018-01-16
阜南佳利工艺品股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Straw hats, baskets, satchels and other straw handicrafts woven with straw, wheat straw, and corn husks have become best-selling small commodities in domestic and foreign markets. Dyeing is very important. At present, basic dyes are mostly used for dyeing straw products. Basic dyes are widely used in straw dyeing because of their bright color and strong coloring ability. Dyeing also has the problems of low dyeing rate and weak dyeing. At present, it mainly relies on adding dyeing auxiliaries to improve the dyeing rate and dyeing fastness. The auxiliaries are mainly glacial acetic acid, sewage sodium acetate, etc. A certain degree of corrosiveness will easily lead to a decrease in the fracture strength of the straw material

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1: a kind of straw weaving dyeing method, processing steps are as follows:

[0014] (1) Add basic dyes and water to prepare a certain concentration of dyeing solution, add locust bean gum to the dyeing solution, increase the viscosity of the dyeing solution to 20 mPa / s, and grind at a high speed to make the particle size in the dyeing solution 20 nanometers;

[0015] (2) Immerse the straw weaving raw material to be treated in the dyeing solution, suck the dyeing solution into the treatment tank by vacuum, and pump the vacuum to the dipping treatment tank until the vacuum degree is -0.02 MPa, and keep it for 12 minutes;

[0016] (3) Turn off the vacuum pump and apply pressure to 8 MPa for 20 minutes;

[0017] (4) Place the processed straw raw material in an environment with a temperature of 38 degrees Celsius and a relative humidity of 43% until the moisture content of the straw fiber is reduced to 9%;

[0018] (5) Send the straw fiber into the treatment tan...

Embodiment 2

[0019] Embodiment 2: a kind of straw weaving dyeing method, processing steps are as follows:

[0020] (1) Add basic dye and water to prepare a certain concentration of dyeing solution, add locust bean gum to the dyeing solution, increase the viscosity of the dyeing solution to 22 mPa / s, and grind at a high speed to make the particle size in the dyeing solution in 24 nanometers;

[0021] (2) Immerse the straw weaving raw material to be treated in the dyeing solution, suck the dyeing solution into the treatment tank by vacuum, and pump the vacuum to the dipping treatment tank until the vacuum degree is -0.03 MPa, and keep it for 16 minutes;

[0022] (3) Turn off the vacuum pump and apply pressure to 8.6 MPa for 22 minutes;

[0023] (4) Place the treated straw raw materials in an environment with a temperature of 40 degrees Celsius and a relative humidity of 46% until the moisture content of the straw fibers is reduced to 10%;

[0024] (5) Send the straw fiber into the treatmen...

Embodiment 3

[0025] Embodiment 3: a kind of straw weaving dyeing method, processing steps are as follows:

[0026] (1) Add basic dyes and water to form a certain concentration of dyeing solution, add locust bean gum to the dyeing solution, increase the viscosity of the dyeing solution to 21 mPa / s, and grind at a high speed to make the particle size in the dyeing solution 22 nanometers;

[0027] (2) Immerse the straw weaving raw material to be treated in the dyeing solution, suck the dyeing solution into the treatment tank by vacuum, and pump the vacuum to the dipping treatment tank until the vacuum degree is -0.025 MPa, and keep it for 14 minutes;

[0028] (3) Turn off the vacuum pump and apply pressure to 8.4 MPa for 21 minutes;

[0029] (4) Place the treated straw raw material in an environment with a temperature of 39 degrees Celsius and a relative humidity of 45% until the moisture content of the straw fiber is reduced to 9.2%;

[0030] (5) Send the straw fiber into the treatment tan...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention relates to the technical field of straw plaited article processing, in particular to a straw plaited article dyeing method. The method comprises treatment steps as follows: a dyeing solution I with certain concentration is prepared from basic dye and water, locust bean gum is added to the dyeing solution I, a dyeing solution II is obtained after high-speed grinding, a to-be-treated straw plaited article raw material is soaked in the dyeing solution II and subjected to vacuum pumping for 12-16 min, then a vacuum pump is closed, the straw plaited article raw material is subjected to pressurizing treatment, the treated straw plaited article raw material is placed in an environment with temperature being 38-40 DEG C and relative humidity being 43%-46% until water content of strawplaited fiber is reduced to 9%-10%, and the straw plaited fiber is sent to a treatment tank again and subjected to vacuum pumping again. On the premise that no dyeing auxiliary is added, higher dyeing rate and dyeing fastness can still be guaranteed.

Description

technical field [0001] The invention relates to the technical field of straw weaving processing, in particular to a straw weaving dyeing method. Background technique [0002] Straw hats, baskets, satchels and other straw handicrafts woven with straw, wheat straw, and corn husks have become best-selling small commodities in domestic and foreign markets. Dyeing is very important. At present, basic dyes are mostly used for dyeing straw products. Basic dyes are widely used in straw dyeing because of their bright color and strong coloring ability. Dyeing also has the problems of low dyeing rate and weak dyeing. At present, it mainly relies on adding dyeing auxiliaries to improve the dyeing rate and dyeing fastness. The auxiliaries are mainly glacial acetic acid, sewage sodium acetate, etc. A certain degree of corrosiveness will easily lead to a decrease in the fracture strength of straw weaving materials. Contents of the invention [0003] The purpose of the present invention...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K3/08B27K5/02B27K9/00
Inventor 徐学进
Owner 阜南佳利工艺品股份有限公司
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