CN107587348B - Jute yarn and woven product setting agent composition thereof, jute yarn and woven product setting method thereof - Google Patents
Jute yarn and woven product setting agent composition thereof, jute yarn and woven product setting method thereof Download PDFInfo
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- CN107587348B CN107587348B CN201710756409.XA CN201710756409A CN107587348B CN 107587348 B CN107587348 B CN 107587348B CN 201710756409 A CN201710756409 A CN 201710756409A CN 107587348 B CN107587348 B CN 107587348B
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Abstract
The invention provides a jute yarn and a setting agent composition of a woven product thereof, which comprises the following components: a first sizing solution, a second sizing solution and a third sizing solution; the first shaping solution is a starch solution with the concentration of 0.08-0.1 g/mL; the second shaping solution is a saturated white granulated sugar solution; the third shaping solution is a diluted white granulated sugar solution with the concentration of 0.45-0.54 g/mL. The invention adopts the starch solution, the saturated white granulated sugar solution and the diluted white granulated sugar solution with specific concentrations to shape the jute yarn and the woven products thereof, has good shaping effect, particularly can keep the natural plush feeling of jute fiber, and has no pollution because of no chemicals.
Description
Technical Field
The invention relates to the technical field of textiles, in particular to a jute yarn and a woven product setting agent composition thereof, and a jute yarn and a woven product setting method thereof.
Background
China is the third country of jute and products thereof in the world after India and Bengal, and compared with ramie and flax, jute has better moisture absorption, desorption, biodegradability, antibacterial property and ultraviolet resistance and conforms to the pursuit of green and environmental protection in modern society. The jute has rich resources and low price, and the products of the jute can replace partial flax and ramie products and have huge application value and development potential. A series of new, high value-added, diversified products such as carpets, jute composites, geotextiles, non-woven fabrics, pulp, clothing, home textiles, handicrafts, fashion wear, and the like have been developed.
Along with the improvement of the green and environment-friendly requirements of people on home furnishing, the application of fiber woven products and fiber arts in home furnishing decoration is also increased continuously, but the fiber woven products and the fiber arts belong to plane decoration, and the woven products of three-dimensional decoration and no supports are often shaped by chemical shaping agents, which is not favorable for the environment-friendly requirement of modern home furnishing.
At present, the chemical setting agent mainly aims at denim and wool fiber fabrics in the market, the setting effect is good, but the adverse effects on human bodies and home furnishing cannot be avoided, although the patent ZL200410024807.5 'wool stretching formaldehyde-free bonding setting solution' overcomes the problem of formaldehyde, chemical products cannot be used for natural fibrilia, and the problem of pollution of chemical medicines such as formaldehyde to human health and indoor environment cannot be solved.
Disclosure of Invention
In view of the above, the technical problem to be solved by the present invention is to provide a sizing agent composition for jute yarns and woven products thereof, which can be used for sizing natural jute fibers, especially jute yarns and woven products thereof, and has the advantages of good sizing effect and no pollution.
The invention provides a jute yarn and a setting agent composition of a woven product thereof, which comprises the following components:
a first sizing solution, a second sizing solution and a third sizing solution;
the first shaping solution is a starch solution with the concentration of 0.08-0.1 g/mL; the second shaping solution is a saturated white granulated sugar solution; the third shaping solution is a diluted white granulated sugar solution with the concentration of 0.45-0.54 g/mL.
Preferably, the starch in the starch solution is selected from one or more of corn starch, cassava starch, water chestnut starch, lotus root starch, water chestnut starch, potato starch and wheat starch.
The invention provides a jute yarn and a method for setting a woven product thereof, which comprises the following steps:
A) drying the jute yarns and woven products thereof, and soaking the jute yarns and the woven products in a first shaping solution at the temperature of 90-100 ℃; the first shaping solution is a starch solution with the concentration of 0.08-0.1 g/mL;
B) soaking the jute yarn soaked with the starch and a woven product thereof in a second shaping solution at the temperature of 90-100 ℃; the second shaping solution is a saturated white granulated sugar solution;
C) soaking the jute yarn and the woven product thereof soaked in the saturated white granulated sugar solution in a third shaping solution at the temperature of 60-80 ℃; the third shaping solution is a diluted white granulated sugar solution with the concentration of 0.45-0.54 g/mL.
Preferably, the concentration of the starch solution is 0.09-0.1 g/mL; the concentration of the diluted white granulated sugar solution is 0.51-0.54 g/mL.
Preferably, the drying temperature in the step A) is 100-110 ℃; the drying time is 5-10 min.
Preferably, the soaking temperature in the step A) is 92-100 ℃; the soaking time is 8-15 min; the soaking temperature in the step B) is 92-100 ℃; the soaking time is 8-15 min.
Preferably, the soaking in the step a) is completed, and then the method further comprises wringing out the starch solution on the surfaces of the jute yarn and the woven product thereof.
Preferably, the step B) of soaking is further carried out, and then the saturated white granulated sugar solution on the surfaces of the jute yarn and the woven product thereof is wrung.
Preferably, the step C) further comprises wringing, shaping and drying after soaking.
Preferably, the drying temperature is 100-110 ℃; the drying time is 5-20 min.
Compared with the prior art, the invention provides a jute yarn and a setting agent composition of a woven product thereof, which comprises the following components: a first sizing solution, a second sizing solution and a third sizing solution; the first shaping solution is a starch solution with the concentration of 0.08-0.1 g/mL; the second shaping solution is a saturated white granulated sugar solution; the third shaping solution is a diluted white granulated sugar solution with the concentration of 0.45-0.54 g/mL. The invention adopts the starch solution, the saturated white granulated sugar solution and the diluted white granulated sugar solution with specific concentrations to shape the jute yarn and the woven products thereof, has good shaping effect, particularly can keep the natural plush feeling of jute fiber, and has no pollution because of no chemicals.
Drawings
FIG. 1 is a detailed view of a woven fabric before treatment in example 1 of the present invention;
FIG. 2 is a view of the shaped jute fabric in example 1 of the present invention;
FIG. 3 is a view showing a jute fabric after sizing in example 2 of the present invention;
FIG. 4 is a view of the shaped jute fabric in example 3 of the present invention.
Detailed Description
The invention provides a jute yarn and a setting agent composition of a woven product thereof, which comprises the following components:
a first sizing solution, a second sizing solution and a third sizing solution;
the first shaping solution is a starch solution with the concentration of 0.08-0.1 g/mL; the second shaping solution is a saturated white granulated sugar solution; the third shaping solution is a diluted white granulated sugar solution with the concentration of 0.45-0.54 g/mL.
The sizing agent composition provided by the invention can be used for sizing hemp fibers, and particularly for sizing jute yarns, jute woven products and jute wound products.
The shaping is different from the shaping in the process in the prior art, which refers to process shaping, and is shaping in which after a plane shape is obtained by weaving, the plane shape is converted and kept into an independent three-dimensional shape.
The jute yarn and the woven product sizing agent composition thereof provided by the invention comprise a first sizing solution.
The first shaping solution is a starch solution with the concentration of 0.08-0.1 g/mL; the solvent of the starch solution is water; the concentration of the starch solution is preferably 0.09-0.1 g/mL.
The starch is not limited in the present invention and may be known to those skilled in the art. According to the invention, the starch in the starch solution is preferably selected from one or more of corn starch, cassava starch, water chestnut starch, lotus root starch, water chestnut starch, potato starch and wheat starch; more preferably selected from one or more of corn starch, lotus root starch, water chestnut starch, potato starch and wheat starch; most preferably one or more of water chestnut starch, potato starch and wheat starch.
The jute yarn and the woven product sizing agent composition thereof provided by the invention comprise a second sizing solution. The second shaping solution is a saturated white granulated sugar solution; the saturated white sugar solution is not limited in the present invention, and those skilled in the art are familiar with the saturated white sugar solution.
The solvent of the saturated white granulated sugar solution is water. The concentration is the saturation concentration.
The jute yarn and woven product setting agent composition thereof provided by the invention comprises a third setting liquid; the third shaping solution is a diluted white granulated sugar solution with the concentration of 0.45-0.54 g/mL. The concentration of the diluted white granulated sugar solution is preferably 0.51-0.54 g/mL.
The specific source and purity of the white granulated sugar are not limited in the invention, and the white granulated sugar can be obtained by the common purity sold in the market.
The white granulated sugar is common fine granulated sugar sold in the market.
The invention provides a jute yarn and a setting agent composition of a woven product thereof, which comprises the following components: starch and white granulated sugar; the starch is a starch solution with the concentration of 0.08-0.1 g/mL; the white granulated sugar comprises a saturated white granulated sugar solution and a diluted white granulated sugar solution with the concentration of 0.45-0.54 g/mL.
The invention adopts the starch solution, the saturated white granulated sugar solution and the diluted white granulated sugar solution with specific concentrations to shape the jute yarn and the woven products thereof, has good shaping effect, particularly can keep the natural plush feel of jute fiber, has the original ecological characteristic of simplicity, and has no pollution because of no chemicals.
The invention provides a jute yarn and a method for setting a woven product thereof, which comprises the following steps:
A) drying the jute yarns and woven products thereof, and soaking the jute yarns and the woven products in a first shaping solution at the temperature of 90-100 ℃; the first shaping solution is a starch solution with the concentration of 0.08-0.1 g/mL;
B) soaking the jute yarn soaked with the starch and a woven product thereof in a second shaping solution at the temperature of 90-100 ℃; the second shaping solution is a saturated white granulated sugar solution;
C) soaking the jute yarn and the woven product thereof soaked in the saturated white granulated sugar solution in a third shaping solution at the temperature of 60-80 ℃; the third shaping solution is a diluted white granulated sugar solution with the concentration of 0.45-0.54 g/mL.
The sizing method of the invention preferably weaves the jute yarn into an artwork or a simple woven and twisted product.
The invention provides a jute yarn and a woven product shaping method thereof. The first shaping solution is a starch solution with the concentration of 0.08-0.1 g/mL.
According to the invention, the drying is preferably carried out by putting the jute yarn and the woven product thereof into a constant-temperature forced air drying box; the drying temperature is preferably 100-110 ℃; the drying time is preferably 5-10 min.
According to the invention, the soaking in the starch solution is preferably as follows:
putting starch into water, heating, stirring and dissolving; at the moment, the heating temperature is 90-100 ℃; the dissolved state is that the starch solution becomes pasty.
Then the dried jute yarn and the woven product thereof are soaked in starch solution.
Wherein the soaking temperature is 90-100 ℃; preferably 92-100 ℃; the soaking time is preferably 8-15 min; more preferably 10 to 15 min.
The concentration of the starch solution is preferably 0.08-0.1 g/mL; more preferably 0.09 to 0.1 g/mL. The solvent of the starch solution is water.
The starch is not limited in the present invention and may be known to those skilled in the art. According to the invention, the starch in the starch solution is preferably selected from one or more of corn starch, cassava starch, water chestnut starch, lotus root starch, water chestnut starch, potato starch and wheat starch; more preferably selected from one or more of corn starch, lotus root starch, water chestnut starch, potato starch and wheat starch; most preferably one or more of water chestnut starch, potato starch and wheat starch.
After soaking, preferably wringing starch solution on the surfaces of the jute yarn and the woven product thereof; the present invention is not limited to the wringing, and those skilled in the art will appreciate.
And after wringing, soaking the jute yarn soaked with the starch and the woven product thereof in a second shaping solution. The second shaping solution is a saturated white granulated sugar solution.
The saturated white sugar solution is not limited in the present invention, and those skilled in the art are familiar with the saturated white sugar solution. The solvent of the saturated white granulated sugar solution is water. The concentration is the saturation concentration.
Then the wrung jute yarn and the woven product thereof are soaked in a saturated white granulated sugar solution.
Wherein the soaking temperature is 90-100 ℃; preferably 92-100 ℃; the soaking time is preferably 8-15 min; more preferably 10 to 15 min.
After soaking, preferably twisting the saturated white granulated sugar solution on the surfaces of the jute yarn and the woven product thereof; the present invention is not limited to the wringing, and those skilled in the art will appreciate.
And after twisting, soaking the jute yarn and the woven product thereof in a third shaping solution, wherein the jute yarn and the woven product thereof are soaked in a saturated white granulated sugar solution. The third shaping solution is a diluted white granulated sugar solution with the concentration of 0.45-0.54 g/mL.
According to the invention, the concentration of the diluted white granulated sugar solution is preferably 0.51-0.54 g/mL.
Wherein the soaking temperature is 60-80 ℃; preferably 60-70 ℃; the soaking time is preferably 8-15 min; more preferably 10 to 15 min.
After soaking, twisting, solidifying and drying are preferably carried out.
Wherein, the wringing specifically comprises: wringing the diluted white granulated sugar solution on the surfaces of the jute yarn and the woven product thereof; the present invention is not limited to the wringing, and those skilled in the art will appreciate.
The fixing type is specifically as follows: fully pulling the jute yarn braided fabric and then putting the jute yarn braided fabric on a mold to fix the shape.
The specific mode of drying in the present invention is not limited, and drying in a constant temperature forced air drying oven is preferable.
The preferable drying is that the jute yarn and the woven product thereof are placed in a constant-temperature air-blast drying oven; the drying temperature is preferably 100-110 ℃; the drying time is preferably 5-20 min.
In order to further illustrate the present invention, the jute yarn and its composition of the setting agent for woven products are described in detail below with reference to the examples.
Example 1
The jute yarn is adopted to weave an artwork. As shown in fig. 1, fig. 1 is a detailed view of a woven fabric before being processed in example 1 of the present invention;
1. and (3) drying: placing the braided jute fabric into a constant temperature blast drying oven to be dried for 5 minutes at the constant temperature of 100 ℃;
2. adding starch:
weighing: adding distilled water into a small beaker, weighing starch by using an electronic scale, and putting the starch into the small beaker;
dissolving: stirring the starch solution in the small beaker by using a glass rod until the starch solution is completely dissolved;
heating: taking a beaker as a beaker, adding distilled water, placing the beaker on a preheated asbestos net, and heating until bubbles emerge; adding starch solution (adding while stirring), heating while stirring until the starch solution becomes pasty, and stopping heating; at this time, the concentration of the starch solution was 0.09 g/mL;
soaking: drying the pre-woven jute fabric, quickly putting the jute fabric into starch paste at 90 ℃, soaking for 15 minutes, and taking out; wringing out the redundant starch paste on the surface;
3. adding a saturated white sugar solution:
solution preparation: adding 500ml of distilled water into a 1000ml beaker, heating to slightly boil, adding white granulated sugar, stirring with a glass rod, and heating to 90 ℃ (crystal precipitation is saturated solution);
soaking: putting the jute fabric soaked with the starch solution into a saturated white granulated sugar solution at 90 ℃, soaking for 8 minutes, taking out, and wringing redundant solution on the surface;
4. adding diluted white granulated sugar solution:
weighing: weighing white granulated sugar by using an electronic scale;
heating: adding distilled water into a beaker, placing the beaker on a preheated asbestos net, and heating until bubbles emerge; adding white sugar, heating to 70 deg.C while stirring until white sugar is completely dissolved, and stopping heating; the concentration of the diluted white sugar solution at this time was 0.51 g/mL.
Soaking: putting the jute fabric soaked with the saturated solution into a white granulated sugar solution at the temperature of 100 ℃, and taking out after soaking for 5 minutes; wringing the redundant solution on the surface;
and (3) fixing: fully pulling open the jute fabric and then placing the jute fabric on a mould to fix the shape;
5. and (3) drying: placing the jute woven fabric and the mould into a constant temperature blast drier for drying for 5 minutes at a constant temperature of 100 ℃.
The fixed jute knit was evaluated for appearance effect and stiffening effect, and the results are shown in table 1. Table 1 setting effect of jute fabrics in examples according to the present invention and comparative examples. Wherein the appearance effect is shown in fig. 2, fig. 2 is a drawing of the shaped jute fabric of example 1 of the present invention; as can be seen from FIGS. 1 and 2, the setting effect of the present invention is significant.
Example 2
The jute yarn is adopted to weave an artwork.
1. And (3) drying: placing the braided jute fabric into a constant temperature blast drying oven to be dried for 5 minutes at the constant temperature of 100 ℃;
2. adding starch:
weighing: adding distilled water into a small beaker, weighing starch by using an electronic scale, and putting the starch into the small beaker;
dissolving: stirring the starch solution in the small beaker by using a glass rod until the starch solution is completely dissolved;
heating: taking a beaker as a beaker, adding distilled water, placing the beaker on a preheated asbestos net, and heating until bubbles emerge; adding starch solution (adding while stirring), heating while stirring until the starch solution becomes pasty, and stopping heating; at this time, the concentration of the starch solution was 0.1 g/mL;
soaking: drying the pre-woven jute fabric, quickly putting the jute fabric into starch paste at the temperature of 95 ℃, soaking for 15 minutes, and taking out; wringing out the redundant starch paste on the surface;
3. adding a saturated white sugar solution:
solution preparation: adding 500ml of distilled water into a 1000ml beaker, heating to slightly boil, adding white granulated sugar, stirring with a glass rod, and heating to 95 ℃ (obtaining saturated solution after crystal precipitation);
soaking: putting the jute fabric soaked with the starch solution into a saturated white granulated sugar solution at 100 ℃, soaking for 15 minutes, taking out, and wringing redundant solution on the surface;
4. adding diluted white granulated sugar solution:
weighing: weighing white granulated sugar by using an electronic scale;
heating: adding distilled water into a beaker, placing the beaker on a preheated asbestos net, and heating until bubbles emerge; adding white sugar, heating to 65 deg.C while stirring until white sugar is completely dissolved, and stopping heating; the concentration of the diluted white sugar solution at this time was 0.53 g/mL.
Soaking: putting the jute fabric soaked with the saturated solution into a white granulated sugar solution at the temperature of 100 ℃, and taking out after soaking for 5 minutes; wringing the redundant solution on the surface;
and (3) fixing: fully pulling open the jute fabric and then placing the jute fabric on a mould to fix the shape;
5. and (3) drying: placing the jute woven fabric and the mould into a constant temperature blast drier for drying for 10 minutes at a constant temperature of 100 ℃.
The fixed jute knit was evaluated for appearance effect and stiffening effect, and the results are shown in table 1. Table 1 setting effect of jute fabrics in examples according to the present invention and comparative examples. Wherein the appearance effect is shown in fig. 3, and fig. 3 is a drawing of the jute fabric after sizing in example 2 of the present invention.
Example 3
The jute yarn is adopted to weave an artwork.
1. And (3) drying: placing the braided jute fabric into a constant temperature blast drying oven to be dried for 5 minutes at the constant temperature of 100 ℃;
2. adding starch:
weighing: adding distilled water into a small beaker, weighing starch by using an electronic scale, and putting the starch into the small beaker;
dissolving: stirring the starch solution in the small beaker by using a glass rod until the starch solution is completely dissolved;
heating: taking a beaker as a beaker, adding distilled water, placing the beaker on a preheated asbestos net, and heating until bubbles emerge; adding starch solution (adding while stirring), heating while stirring until the starch solution becomes pasty, and stopping heating; at this time, the concentration of the starch solution was 0.1 g/mL;
soaking: drying the pre-woven jute fabric, quickly putting the jute fabric into starch paste at the temperature of 100 ℃, soaking for 15 minutes, and taking out; wringing out the redundant starch paste on the surface;
3. adding a saturated white sugar solution:
solution preparation: adding 500ml of distilled water into a 1000ml beaker, heating to slightly boil, adding white granulated sugar, stirring with a glass rod, and heating to 100 ℃ (obtaining saturated solution after crystal precipitation);
soaking: placing the jute fabric soaked with the starch solution into a saturated white granulated sugar solution at 100 ℃, soaking for 10 minutes, taking out, and wringing redundant solution on the surface;
4. adding diluted white granulated sugar solution:
weighing: weighing white granulated sugar by using an electronic scale;
heating: adding distilled water into a beaker, placing the beaker on a preheated asbestos net, and heating until bubbles emerge; adding white sugar, heating to 70 deg.C while stirring until white sugar is completely dissolved, and stopping heating; the concentration of the diluted white sugar solution is 0.54 g/mL.
Soaking: putting the jute fabric soaked with the saturated solution into a white granulated sugar solution at the temperature of 100 ℃, and taking out after soaking for 5-10 minutes; wringing the redundant solution on the surface;
and (3) fixing: fully pulling open the jute fabric and then placing the jute fabric on a mould to fix the shape;
5. and (3) drying: placing the jute woven fabric and the mould into a constant temperature blast drier for drying for 15 minutes at a constant temperature of 100 ℃.
The fixed jute knit was evaluated for appearance effect and stiffening effect, and the results are shown in table 1. Table 1 setting effect of jute fabrics in examples according to the present invention and comparative examples. Wherein the appearance effect is shown in fig. 4, and fig. 4 is a drawing of the jute fabric after sizing in example 3 of the present invention.
Comparative example 1
The jute yarn is adopted to weave an artwork.
1. And (3) drying: placing the braided jute fabric into a constant temperature blast drying oven to be dried for 5 minutes at the constant temperature of 100 ℃;
2. adding starch:
weighing: adding distilled water into a small beaker, weighing starch by using an electronic scale, and putting the starch into the small beaker;
dissolving: stirring the starch solution in the small beaker by using a glass rod until the starch solution is completely dissolved;
heating: taking a beaker as a beaker, adding distilled water, placing the beaker on a preheated asbestos net, and heating until bubbles emerge; adding starch solution (adding while stirring), heating while stirring until the starch solution becomes pasty, and stopping heating; at this time, the concentration of the starch solution was 0.07 g/mL;
soaking: drying the pre-woven jute fabric, quickly putting the jute fabric into starch paste at 90 ℃, soaking for 15 minutes, and taking out; wringing out the redundant starch paste on the surface;
3. adding a saturated white sugar solution:
solution preparation: adding 500ml of distilled water into a 1000ml beaker, heating to slightly boil, adding white granulated sugar, stirring with a glass rod, and heating to 90 ℃ (crystal precipitation is saturated solution);
soaking: putting the jute fabric soaked with the starch solution into a saturated white granulated sugar solution at 90 ℃, soaking for 8 minutes, taking out, and wringing redundant solution on the surface;
4. adding diluted white granulated sugar solution:
weighing: weighing white granulated sugar by using an electronic scale;
heating: adding distilled water into a beaker, placing the beaker on a preheated asbestos net, and heating until bubbles emerge; adding white sugar, heating to 60 deg.C while stirring until white sugar is completely dissolved, and stopping heating; the concentration of the diluted white sugar solution is 0.40 g/mL.
Soaking: putting the jute fabric soaked with the saturated solution into a white granulated sugar solution at the temperature of 100 ℃, and taking out after soaking for 5 minutes; wringing the redundant solution on the surface;
and (3) fixing: fully pulling open the jute fabric and then placing the jute fabric on a mould to fix the shape;
5. and (3) drying: placing the jute woven fabric and the mould into a constant temperature blast drier for drying for 5 minutes at a constant temperature of 100 ℃.
The fixed jute knit was evaluated for appearance effect and stiffening effect, and the results are shown in table 1. Table 1 setting effect of jute fabrics in examples according to the present invention and comparative examples.
Comparative example 2
The jute yarn is adopted to weave an artwork.
1. And (3) drying: placing the braided jute fabric into a constant temperature blast drying oven to be dried for 5 minutes at the constant temperature of 100 ℃;
2. adding starch:
weighing: adding distilled water into a small beaker, weighing starch by using an electronic scale, and putting the starch into the small beaker;
dissolving: stirring the starch solution in the small beaker by using a glass rod until the starch solution is completely dissolved;
heating: taking a beaker as a beaker, adding distilled water, placing the beaker on a preheated asbestos net, and heating until bubbles emerge; adding starch solution (adding while stirring), heating while stirring until the starch solution becomes pasty, and stopping heating; at this time, the concentration of the starch solution was 0.12 g/mL;
soaking: drying the pre-woven jute fabric, quickly putting the jute fabric into starch paste at 90 ℃, soaking for 15 minutes, and taking out; wringing out the redundant starch paste on the surface;
3. adding a saturated white sugar solution:
solution preparation: adding 500ml of distilled water into a 1000ml beaker, heating to slightly boil, adding white granulated sugar, stirring with a glass rod, and heating to 90 ℃ (crystal precipitation is saturated solution);
soaking: putting the jute fabric soaked with the starch solution into a saturated white granulated sugar solution at 90 ℃, soaking for 8 minutes, taking out, and wringing redundant solution on the surface;
4. adding diluted white granulated sugar solution:
weighing: weighing white granulated sugar by using an electronic scale;
heating: adding distilled water into a beaker, placing the beaker on a preheated asbestos net, and heating until bubbles emerge; adding white sugar, heating to 75 deg.C while stirring until white sugar is completely dissolved, and stopping heating; the concentration of the diluted white sugar solution at this time was 0.62 g/mL.
Soaking: putting the jute fabric soaked with the saturated solution into a white granulated sugar solution at the temperature of 100 ℃, and taking out after soaking for 5 minutes; wringing the redundant solution on the surface;
and (3) fixing: fully pulling open the jute fabric and then placing the jute fabric on a mould to fix the shape;
5. and (3) drying: placing the jute woven fabric and the mould into a constant temperature blast drier for drying for 5 minutes at a constant temperature of 100 ℃.
The fixed jute knit was evaluated for appearance effect and stiffening effect, and the results are shown in table 1. Table 1 setting effect of jute fabrics in examples according to the present invention and comparative examples.
Comparative example 3
The jute yarn is adopted to weave an artwork.
1. And (3) drying: placing the braided jute fabric into a constant temperature blast drying oven to be dried for 5 minutes at the constant temperature of 100 ℃;
2. adding starch:
weighing: adding distilled water into a small beaker, weighing starch by using an electronic scale, and putting the starch into the small beaker;
dissolving: stirring the starch solution in the small beaker by using a glass rod until the starch solution is completely dissolved;
heating: taking a beaker as a beaker, adding distilled water, placing the beaker on a preheated asbestos net, and heating until bubbles emerge; adding starch solution (adding while stirring), heating while stirring until the starch solution becomes pasty, and stopping heating; at this time, the concentration of the starch solution was 0.07 g/mL;
soaking: drying the pre-woven jute fabric, quickly putting the jute fabric into starch paste at 90 ℃, soaking for 15 minutes, and taking out; wringing out the redundant starch paste on the surface;
3. adding a saturated white sugar solution:
solution preparation: adding 500ml of distilled water into a 1000ml beaker, heating to slightly boil, adding white granulated sugar, stirring with a glass rod, and heating to 90 ℃ (crystal precipitation is saturated solution);
soaking: putting the jute fabric soaked with the starch solution into a saturated white granulated sugar solution at 90 ℃, soaking for 8 minutes, taking out, and wringing redundant solution on the surface;
4. adding diluted white granulated sugar solution:
weighing: weighing white granulated sugar by using an electronic scale;
heating: adding distilled water into a beaker, placing the beaker on a preheated asbestos net, and heating until bubbles emerge; adding white sugar, heating to 70 deg.C while stirring until white sugar is completely dissolved, and stopping heating; the concentration of the diluted white sugar solution at this time was 0.62 g/mL.
Soaking: putting the jute fabric soaked with the saturated solution into a white granulated sugar solution at the temperature of 100 ℃, and taking out after soaking for 5 minutes; wringing the redundant solution on the surface;
and (3) fixing: fully pulling open the jute fabric and then placing the jute fabric on a mould to fix the shape;
5. and (3) drying: placing the jute woven fabric and the mould into a constant temperature blast drier for drying for 5 minutes at a constant temperature of 100 ℃.
The fixed jute knit was evaluated for appearance effect and stiffening effect, and the results are shown in table 1. Table 1 setting effect of jute fabrics in examples according to the present invention and comparative examples.
TABLE 1 setting effect of jute knit in examples and comparative examples of the present invention
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A jute yarn and a setting agent composition of a woven product thereof are characterized by comprising:
a first sizing solution, a second sizing solution and a third sizing solution;
the first shaping solution is a starch solution with the concentration of 0.08-0.1 g/mL; the second shaping solution is a saturated white granulated sugar solution; the third shaping solution is a diluted white granulated sugar solution with the concentration of 0.45-0.54 g/mL.
2. The fixative composition of claim 1, wherein the starch in the starch solution is selected from one or more of corn starch, tapioca starch, water caltrop starch, lotus root starch, water chestnut starch, potato starch and wheat starch.
3. A jute yarn and a method for setting a woven product thereof are characterized by comprising the following steps:
A) drying the jute yarns and woven products thereof, and soaking the jute yarns and the woven products in a first shaping solution at the temperature of 90-100 ℃; the first shaping solution is a starch solution with the concentration of 0.08-0.1 g/mL;
B) soaking the jute yarn soaked with the starch and a woven product thereof in a second shaping solution at the temperature of 90-100 ℃; the second shaping solution is a saturated white granulated sugar solution;
C) soaking the jute yarn and the woven product thereof soaked in the saturated white granulated sugar solution in a third shaping solution at the temperature of 60-80 ℃; the third shaping solution is a diluted white granulated sugar solution with the concentration of 0.45-0.54 g/mL.
4. The sizing method according to claim 3, wherein the concentration of the starch solution is 0.09-0.1 g/mL; the concentration of the diluted white granulated sugar solution is 0.51-0.54 g/mL.
5. The sizing method according to claim 3, wherein the drying temperature in the step A) is 100-110 ℃; the drying time is 5-10 min.
6. The sizing method according to claim 3, wherein the soaking temperature in the step A) is 92-100 ℃; the soaking time is 8-15 min; the soaking temperature in the step B) is 92-100 ℃; the soaking time is 8-15 min.
7. The sizing method according to claim 3, wherein the step A) further comprises wringing out the starch solution on the surfaces of the jute yarn and the woven fabric thereof after soaking.
8. The sizing method according to claim 3, wherein the step B) of soaking further comprises wringing out a saturated white granulated sugar solution on the surfaces of the jute yarn and the woven fabric thereof.
9. The method of claim 3, wherein said soaking in step C) further comprises wringing, setting, and drying.
10. The sizing method according to claim 9, wherein the drying temperature is 100-110 ℃; the drying time is 5-20 min.
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