Pure natural fruity dyed fabric and preparation method thereof

Abstract

The invention discloses a pure natural fruity dyed fabric and a preparation method thereof. The fibers and the pigments are extracted from the fruits, the fruit fibers and the polyester fibers are blended, and dip dyeing is performed through the fruit pigments, so that the pure natural fruit fibers and the fruit pigments with the fruit aroma enable the prepared pure natural fruit aroma dyed fabric to have the characteristics of long-lasting fruit aroma, and the pure natural fruit aroma dyed fabric does not disappear due to the emission of the aroma; compared with artificially synthesized fragrance, the blended fabric has great advantages, has no irritation to the skin and also has a care effect on the skin, and meanwhile, the polyester fibers improve the toughness and strength of the blended fabric; the fruit pigment replaces a chemical dyeing machine, and is more beneficial to human health and wearing comfort.

Description

Technical Field

[0001] The invention relates to the technical field of textiles, and in particular to a pure natural fruit-scented dyed fabric and a preparation method thereof. Background Art

[0002] With the continuous development of society, people have higher and higher requirements for pure natural raw materials of clothing fabrics, especially the requirements for pure natural fragrance of fabrics and pure natural dyeing pigments. The fragrance of existing clothing fabrics is made by adding specific plant essential oils or additives to make the fabrics have fragrance. However, this treatment method will make the fabrics irritating to the skin and not conducive to human health. In addition, during use, the artificially added fragrance will gradually dissipate and is not durable. In addition, the dyeing of existing clothing fabrics is completed by soaking in chemical dyeing machines, so that the clothing fabrics contain the smell of chemical dyeing machines, which is not conducive to human health.

[0003] Therefore, how to develop a pure natural fruit fragrance dyed fabric and a preparation method thereof is a technical problem that needs to be solved urgently. Summary of the invention

[0004] In order to solve the above technical problems, the present invention designs a pure natural fruit fragrance dyed fabric and a preparation method thereof.

[0005] The present invention adopts the following technical solution: A method for preparing a pure natural fruit-scented dyed fabric comprises the following steps: S1, extracting fiber and pigment from the fruit to prepare fruit fiber stock solution and fruit pigment stock solution containing fruit aroma respectively; S2, spinning the fruit fiber stock solution into fibers to obtain fruit-spun fibers containing fruity aroma; S3. The fruit-spun fiber and the polyester fiber are blended in a certain blending ratio to obtain a fabric, and the fabric is immersed in a fruit pigment solution for dyeing to obtain a pure natural fruit-scented dyed fabric.

[0006] Preferably, in step S1, extracting fiber from the fruit to obtain a fruit fiber stock solution containing fruit aroma comprises the following steps: A1. Select fruits, clean them, and grind them into fruit pulp as the raw material to be extracted; A2, adding the raw material to be extracted into a NaOH solution with a concentration of 5%-6%, boiling at 100° C. for 90 min-110 min, and then maintaining the temperature at 60° C.-65° C. to obtain a first solution; A3, adding 3%-4% hydrogen peroxide to the first solution, and continuing heating at 60°C to 65°C for 40min-50min to obtain a second solution; A4. Filter the second solution and wash it with distilled water until it becomes neutral to obtain a fruit fiber stock solution containing fruity aroma.

[0007] Preferably, in step S1, extracting pigment from the fruit to obtain a fruit pigment stock solution containing fruit aroma comprises the following steps: B1. Select fruits, clean them, and grind them into fruit pulp as the raw material to be extracted; B2, adding an impregnation solvent to the above-mentioned fruit pulp raw material, the weight ratio of the fruit pulp raw material to the impregnation solvent is 1:1-2; then impregnating for 16-32 hours under normal temperature and pressure closed conditions, and extracting 3-4 times; B3, the above-extracted infusions are combined and filtered to obtain a fruit pigment stock solution containing fruity aroma.

[0008] Preferably, the impregnation solvent is one of methanol, ethanol and propanol aqueous solutions with a concentration of 60-80%.

[0009] Preferably, in step S2, preparing the fruit fiber stock solution into fiber spinning comprises the following steps: C1. adding a spinning solvent into a fruit fiber stock solution to obtain a spinning stock solution; C2. Sending the spinning solution to a spinning machine to obtain fruit-spun fibers containing fruity aroma.

[0010] Preferably, the spinning solvent is one of dimethylformamide, ethylene carbonate, sodium thiocyanate, nitric acid, or zinc chloride.

[0011] Preferably, in step S3, the blending ratio of fruit-spun fiber to polyester fiber is 25%-30%:70%-75%.

[0012] Preferably, in step B3, the filter used for filtering is a nylon mesh or polyester mesh with a mesh size of 200 to 400.

[0013] A pure natural fruit-scented dyed fabric comprises fruit-spun fiber and polyester fiber. The fruit-spun fiber and polyester fiber are blended in a ratio of 25%-30%:70%-75%, and the blended fabric is immersed in a fruit pigment solution for dyeing to obtain the pure natural fruit-scented dyed fabric.

[0014] Preferably, the blending ratio of the fruit-spun fiber and the polyester fiber is 28%:72%.

[0015] The beneficial effects of the present invention are as follows: (1) The present invention extracts fiber and pigment from fruits, blends fruit fiber and polyester fiber, and dyes them with fruit pigments. The pure natural fruit fiber and fruit pigment containing fruit fragrance make the prepared pure natural fruit fragrance dyed fabric contain fruit fragrance for a long time. The fruit fragrance has the characteristic of lasting fragrance and does not disappear due to the emission of fragrance. Compared with artificial synthetic fragrance, it has great advantages. In addition to being non-irritating to the skin, it also has a skin care effect. At the same time, polyester fiber improves the toughness and strength of the blended fabric; (2) Fruit pigment replaces chemical dyeing machine, which is more beneficial to human health and comfortable to wear. DETAILED DESCRIPTION

[0016] The technical solution of the present invention is further described in detail below through specific embodiments: Embodiment: A method for preparing a pure natural fruit-scented dyed fabric comprises the following steps: S1, extracting fiber and pigment from the fruit to prepare fruit fiber stock solution and fruit pigment stock solution containing fruit aroma respectively; S2, spinning the fruit fiber stock solution into fibers to obtain fruit-spun fibers containing fruity aroma; S3. The fruit-spun fiber and the polyester fiber are blended in a certain blending ratio to obtain a fabric, and the fabric is immersed in a fruit pigment solution for dyeing to obtain a pure natural fruit-scented dyed fabric.

[0017] Specifically, this embodiment provides a pure natural fruit-scented dyed fabric. The present invention extracts fiber and pigment from fruits, blends fruit fiber and polyester fiber, and dyes them with fruit pigments. The pure natural fruit fiber and fruit pigments containing fruit fragrance make the pure natural fruit-scented dyed fabric contain fruit fragrance for a long time. The fruit fragrance has a long-lasting characteristic and does not disappear due to the emission of fragrance. Compared with the synthetic fragrance, it has a great advantage. In addition to being non-irritating to the skin, it also has a skin care effect; fruit pigments replace chemical dyeing machines, which is more conducive to human health and comfortable wearing. The fruits of the present invention include but are not limited to blueberries, oranges, coconuts, etc.

[0018] In step S1, extracting fiber from the fruit to obtain a fruit fiber stock solution containing fruit aroma comprises the following steps: A1. Select fruits, clean the fruits, and grind them into fruit pulp as raw materials to be extracted; the specific fruits are fresh fruits.

[0019] A2. Add the raw material to be extracted into a NaOH solution with a concentration of 5%-6%, boil it at 100°C for 90min-110min, and then keep the temperature at 60°C-65°C to obtain a first solution; Specifically, prepare a certain volume of NaOH solution with a concentration of 5%-6%, immerse the raw material to be extracted therein, and then boil it at 100°C for 90min-110min. In actual operation, the concentration of the NaOH solution can be prepared to be 5%, 5.5%, 6% or any concentration between 5% and 6%, and the boiling time can be 90min, 100min, 110min or other time between 90min-110min. The concentration and boiling time can be set according to the amount of raw material. In addition, those skilled in the art can determine the volume of the NaOH solution according to the mass or volume of the raw material to be extracted, and again no specific limitation is made.

[0020] A3. Add 3%-4% hydrogen peroxide to the first solution, and continue heating at 60°C to 65°C for 40min-50min to obtain a second solution. Specifically, prepare a certain volume of 3%-4% hydrogen peroxide, add it to the first solution, and continue heating at 60°C to 65°C for 40min-50min to obtain the second solution. In actual operation, the concentration of hydrogen peroxide can be 3%, 3.5%, 4% or any other concentration between 3% and 4%, and the heating time can be 40min, 45min, 50min or any other time between 40min and 50min, which will not be repeated here.

[0021] A4. Filter the second solution and wash it with distilled water until it becomes neutral to obtain a fruit fiber stock solution containing fruity aroma.

[0022] In step S1, extracting pigment from the fruit to obtain a fruit pigment stock solution containing fruit aroma comprises the following steps: B1. Select fruits, clean them, and grind them into fruit pulp as the raw material to be extracted; B2, adding an impregnation solvent to the above-mentioned fruit pulp raw material, wherein the impregnation solvent is one of methanol, ethanol, and propanol aqueous solutions with a concentration of 60-80%, and the weight ratio of the fruit pulp raw material to the impregnation solvent is 1:1-2; then impregnating for 16-32 hours under closed conditions at normal temperature and pressure, and extracting 3-4 times; B3, the above-extracted infusions are combined and filtered to obtain a fruit pigment stock solution containing fruity aroma.

[0023] In step S2, spinning the fruit fiber stock solution into fibers comprises the following steps: C1. Adding a spinning solvent into a fruit fiber stock solution to obtain a spinning stock solution, wherein the spinning solvent is one of dimethylformamide, ethylene carbonate, sodium thiocyanate, nitric acid, or zinc chloride; C2. Sending the spinning solution to a spinning machine to obtain fruit-spun fibers containing fruity aroma.

[0024] In step S3, the blending ratio of the fruit-spun fiber to the polyester fiber is 25%-30%:70%-75%.

[0025] In step B3, the filter used for filtering is a nylon mesh or polyester mesh with a mesh size of 200 to 400.

[0026] The invention extracts fiber and pigment from fruits, blends the fruit fiber and polyester fiber, and dyes them with fruit pigments. The pure natural fruit fiber and fruit pigment containing fruit fragrance make the prepared pure natural fruit fragrance dyed fabric contain fruit fragrance for a long time. The fruit fragrance has the characteristic of lasting fragrance, which does not disappear due to the emission of fragrance. Compared with artificial synthetic fragrance, it has great advantages, in addition to being non-irritating to the skin, it also has a skin care effect. At the same time, the polyester fiber improves the toughness and strength of the blended fabric; the fruit pigment replaces the chemical dyeing machine, which is more conducive to human health and comfortable wearing.

[0027] The above-described embodiment is only a preferred solution of the present invention and does not limit the present invention in any form. There are other variations and modifications without exceeding the technical solution described in the claims.

Claims

1. A method for preparing a pure natural fruit-scented dyed fabric, characterized in that: The following steps are involved: S1, extracting fiber and pigment from the fruit to prepare fruit fiber stock solution and fruit pigment stock solution containing fruit aroma respectively; S2, spinning the fruit fiber stock solution into fibers to obtain fruit-spun fibers containing fruity aroma; S3. The fruit-spun fiber and the polyester fiber are blended in a certain blending ratio to obtain a fabric, and the fabric is immersed in a fruit pigment solution for dyeing to obtain a pure natural fruit-scented dyed fabric.

2. The method for preparing a pure natural fruit-scented dyed fabric according to claim 1, characterized in that: In step S1, extracting fiber from the fruit to obtain a fruit fiber stock solution containing fruit aroma comprises the following steps: A1. Select fruits, clean them, and grind them into fruit pulp as the raw material to be extracted; A2, adding the raw material to be extracted into a NaOH solution with a concentration of 5%-6%, boiling at 100° C. for 90 min-110 min, and then maintaining the temperature at 60° C.-65° C. to obtain a first solution; A3, adding 3%-4% hydrogen peroxide to the first solution, and continuing heating at 60°C to 65°C for 40min-50min to obtain a second solution; A4. Filter the second solution and wash it with distilled water until it becomes neutral to obtain a fruit fiber stock solution containing fruity aroma.

3. The method for preparing a pure natural fruit-scented dyed fabric according to claim 1, characterized in that: In step S1, extracting pigment from the fruit to obtain a fruit pigment stock solution containing fruit aroma comprises the following steps: B1. Select fruits, clean them, and grind them into fruit pulp as the raw material to be extracted; B2, adding an impregnation solvent to the above-mentioned fruit pulp raw material, the weight ratio of the fruit pulp raw material to the impregnation solvent is 1:1-2; then impregnating for 16-32 hours under normal temperature and pressure closed conditions, and extracting 3-4 times; B3, the above-extracted infusions are combined and filtered to obtain a fruit pigment stock solution containing fruity aroma.

4. The method for preparing a pure natural fruit-scented dyed fabric according to claim 3, characterized in that: The impregnation solvent is one of methanol, ethanol and propanol aqueous solutions with a concentration of 60-80%.

5. The method for preparing a pure natural fruit-scented dyed fabric according to claim 1, characterized in that: In step S2, the process of spinning the fruit fiber stock solution into fiber includes the following steps: C1. adding a spinning solvent into a fruit fiber stock solution to obtain a spinning stock solution; C2. Sending the spinning solution to a spinning machine to obtain fruit-spun fibers containing fruity aroma.

6. The method for preparing a pure natural fruit-scented dyed fabric according to claim 5, characterized in that: The spinning solvent is one of dimethylformamide, ethylene carbonate, sodium thiocyanate, nitric acid, or zinc chloride.

7. The method for preparing a pure natural fruit-scented dyed fabric according to claim 1, characterized in that: In the step S3, the blending ratio of the fruit-spun fiber to the polyester fiber is 25%-30%:70%-75%.

8. The method for preparing a pure natural fruit-scented dyed fabric according to claim 1, characterized in that: In step B3, the filter used for filtering is a nylon mesh or polyester mesh with a mesh size of 200 to 400.

9. A pure natural fruit-scented dyed fabric, characterized in that: The method comprises fruit-spun fibers and polyester fibers. The fruit-spun fibers and polyester fibers are blended in a ratio of 25%-30%:70%-75%. The blended fabrics are immersed in fruit pigment solution for dyeing to obtain pure natural fruit-scented dyed fabrics.

10. The pure natural fruit-scented dyed fabric according to claim 9, characterized in that: The blending ratio of the fruit-spun fiber to the polyester fiber is 28%:72%.