Method for extracting boat-fruited sterculia seed plant dye and dyeing textile by using boat-fruited

Abstract

The invention discloses a method for extracting a scaphium scaphigerum plant dye and dyeing a textile by using the scaphium scaphigerum plant dye, and relates to a textile material technology. The preparation method comprises the following steps: tailoring a textile, weighing, taking a proper amount of scaphium scaphigerum, mashing, weighing, putting into a polylactic acid (PLA) filter bag, putting into a beaker, adding water with a certain extraction material-liquid ratio, heating in a water bath at 80-90 DEG C for 1-2 hours, filtering the solution to obtain a scaphium scaphigerum dye, putting a fabric sample into the scaphium scaphigerum dye with the bath ratio of 1: 60, and drying to obtain the scaphium scaphigerum dye. The fabric is heated in a water bath at the temperature of 80-90 DEG C for 1-2 h and continuously stirred, 5 g / L of NaOH and 10 g / L of NaCl can be added during stirring, then the temperature is slowly reduced to the room temperature, and a fabric sample is taken out and naturally aired. The natural dye prepared from the scaphium scaphigerum is used for dyeing the cotton fabric and the wool fabric, the fabric can be dyed to brown, the dyed fabric has the advantages of being environmentally friendly, non-toxic, biodegradable and the like, and scientific basis and technical support are provided for application of the natural dye in textile dyeing.

Description

Technical Field

[0001] The invention belongs to the technical field of textile materials, and in particular relates to a method for extracting Sterculia lychnophora plant dye and dyeing textiles thereof. Background Art

[0002] With the continuous enhancement of environmental awareness and the popularization of the concept of sustainable development, natural dyes have gradually been valued and favored by the textile dyeing industry due to their advantages such as environmental protection, non-toxicity and biodegradability.

[0003] As a plant with rich medicinal value, Sterculia lychnophora contains a large amount of natural pigments and has the important potential to become a natural dye. However, the current research on Sterculia lychnophora natural dye is relatively small, especially its application in textile dyeing has not been widely and deeply explored. In the prior art, most of the research on Sterculia lychnophora is in the field of food engineering, such as patent document number CN102550785A is Sterculia lychnophora throat lozenges and preparation methods thereof, and patent document number CN102028084A is smoke-clearing candy.

[0004] The present invention aims to provide a method for extracting a Sterculia lychnophora plant dye and dyeing textiles thereof. By systematically studying the extraction conditions and dyeing process of the Sterculia lychnophora plant dye, it is expected that a green, environmentally friendly and efficient dyeing method can be developed to provide a theoretical and practical basis for the application of natural plant dyes in the textile industry. Summary of the invention

[0005] The purpose of the present invention is to provide a method for extracting Sterculia lychnophora plant dye and dyeing textiles thereof, and to solve the problems of extracting Sterculia lychnophora plant dye and applying it in textile dyeing in the above-mentioned background technology by extracting pigment from Sterculia lychnophora and exploring its coloring effect on cellulose fiber cotton fabrics.

[0006] To achieve the above object, the present invention adopts the following technical solutions:

[0007] A method for extracting Sterculia lychnophora plant dye and dyeing textiles thereof comprises the following steps:

[0008] S1. Preparation of base fabric: Cut the textile into square fabric samples, weigh and record them, and calculate the sample average value;

[0009] S2. Preparation of dye: (1) Take an appropriate amount of Sterculia lychnophora, crush it and weigh it, put it into a polylactic acid (PLA) filter bag, and put it into a beaker; (3) Add water with a certain extraction solid-liquid ratio into the beaker and heat it in a high-temperature water bath for 1 to 2 hours; (4) Filter the heated solution to obtain Sterculia lychnophora dye;

[0010] S3. Preparation of dyed fabrics: (1) Place a single cotton fabric sample in a bath ratio of 1:60 of Sterculia lychnophora dye and heat it in a high-temperature water bath for 1 to 2 hours while stirring continuously. (2) After heating in a water bath, slowly lower the temperature to room temperature. (3) Take out the cotton fabric sample and dry it naturally.

[0011] Preferably, the textile in S1 is pure cotton fabric or wool fabric.

[0012] Preferably, the material-liquid ratio extracted in S2 is 1:30 to 1:50.

[0013] Preferably, the water bath temperature in S2 is maintained at 80-90°C.

[0014] Furthermore, the water bath temperature is maintained at 90° C. in S2.

[0015] Preferably, the water bath temperature in S3 is maintained at 80-90°C.

[0016] Furthermore, in S3, the water bath temperature is maintained at 90°C.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] (1) The present invention uses natural dyes extracted from Sterculia lychnophora, which are environmentally friendly and non-toxic, can avoid the release of a large amount of harmful substances during the production and use of traditional chemical dyes, and help reduce pollution to the environment.

[0019] (2) The natural dye Sterculia lychnophora used in the present invention is rich in a variety of biologically active ingredients. The dyed cotton fabric may have certain antibacterial and UV protection properties, which helps to improve the functional properties of textiles. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a data graph of the Labch value of cotton fabric before and after dyeing with the Sterculia lychnophora plant dye in the present invention and the K / S value of the fabric after dyeing.

[0021] Figure 2 This is a comparison diagram of the fabric effects before and after the Sterculia lychnophora plant dye is dyed on cotton fabric in the present invention.

[0022] Figure 3 The present invention provides a process roadmap for dyeing cotton fabric with the Sterculia lychnophora plant dye.

[0023] Figure 4 The present invention is a process route diagram of the dyeing process of wool fabric with Sterculia lychnophora plant dye without adding NaOH and NaCl.

[0024] Figure 5The present invention provides a process route for adding NaOH and NaCl to the dyeing process of wool fabric with Sterculia lychnophora plant dye.

[0025] Figure 6 This is a comparison diagram of the dyeing effects of the Sterculia lychnophora plant dye on wool fabrics at different NaOH and NaCl contents in the present invention.

[0026] Figure 7 This is a data graph of the Labch value of each fabric after dyeing wool fabric with Sterculia lychnophora plant dye at different NaOH and NaCl contents in the present invention and the K / S value of the dyed fabric. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Embodiment 1:

[0029] See also Figure 3 , a method for extracting Sterculia lychnophora plant dye and dyeing textiles thereof, comprising the following steps:

[0030] Step 1: Use pure cotton fabric and cut a 6cm*6cm cotton fabric sample. Weigh the cut cotton fabric to obtain 0.47g.

[0031] Step 2: Take 5g of Sterculia lychnophora and crush it, and put it into a 7cm*9cm polylactic acid (PLA) filter bag, then put the filter bag in a beaker, add water with a ratio of 1:30 to the extract in a water bath, set the water bath temperature to 90℃, and heat it for 1h. Filter the heated solution to obtain Sterculia lychnophora dye.

[0032] Step 3: Place the cotton fabric sample obtained in step 1 into the Sterculia lychnophora dye with a bath ratio of 1:60, and heat it in a water bath. The water bath temperature is set to 90°C for 1 hour, and the mixture is stirred continuously. After heating in the water bath, the temperature of the beaker is slowly lowered to room temperature. Take out the cotton fabric sample and dry it naturally.

[0033] Embodiment 2:

[0034] See also Figure 4 , a method for extracting Sterculia lychnophora plant dye and dyeing textiles thereof, comprising the following steps:

[0035] Step 1: Use wool fabric to cut a 6cm*6cm wool fabric sample. Weigh the cut wool fabric to obtain 0.94g.

[0036] Step 2: Take 10g of Sterculia lychnophora and crush it, and put it into two 7cm*9cm PLA filter bags, then put the filter bags in a beaker, add water with a ratio of 1:47 to the extract, and heat it in a water bath. Set the water bath temperature to 90℃ for 1h. Filter the heated solution to obtain Sterculia lychnophora dye.

[0037] Step 3: Place the wool fabric sample obtained in step 1 into the Sterculia lychnophora dye with a bath ratio of 1:60, heat it in a water bath, set the water bath temperature to 90°C, and keep stirring for 1 hour. After heating in the water bath, slowly lower the beaker temperature to room temperature. Take out the wool fabric sample and dry it naturally.

[0038] Comparative Example 1:

[0039] The blank control group was set to a 6cm*6cm cotton fabric sample, weighing 0.47g.

[0040] Comparative Example 2:

[0041] The blank control group was set to a wool fabric sample of 6 cm*6 cm, weighing 0.94 g.

[0042] Comparative Example 3:

[0043] See also Figure 5 , referring to Example 2, the preparation method of this comparative example comprises the following steps:

[0044] Step 1: Use wool fabric to cut a 6cm*6cm wool fabric sample. Weigh the cut wool fabric to obtain 0.94g.

[0045] Step 2: Take 10g of Sterculia lychnophora and crush it, and put it into two 7cm*9cm PLA filter bags, then put the filter bags in a beaker, add water with a ratio of 1:47 to the extract, and heat it in a water bath. Set the water bath temperature to 90℃ for 1h. Filter the heated solution to obtain Sterculia lychnophora dye.

[0046] Step 3: Place the wool fabric sample obtained in step 1 into the Sterculia lychnophora dye with a bath ratio of 1:60, heat it in a water bath, set the water bath temperature to 90°C, and keep stirring for 0.5h. Then add 5g / L NaOH and 10g / L NaCl, continue heating in a 90°C water bath for 0.5h, and then slowly lower the beaker temperature to room temperature. Take out the wool fabric sample and dry it naturally.

[0047] Experimental results:

[0048] like Figure 1 , 2 As shown, according to the comparison of the actual sample pictures in Example 1 and Comparative Example 1, it can be seen that Sterculia lychnophora can achieve pigment extraction and can dye cotton fabrics, namely cellulose fibers. Compared with pure cotton fabrics, the color of cotton fabrics changes from white to brown after dyeing with Sterculia lychnophora dye.

[0049] like Figure 6 , 7 As shown, according to the comparison of the actual pictures of the samples in Example 2 and Comparative Examples 2 and 3, it can be known that the Sterculia lychnophora dye can dye wool fabric, i.e., protein fiber. Compared with pure wool fabric, the color of the sample prepared by the dyeing process of wool fabric with Sterculia lychnophora plant dye without adding NaOH and NaCl is light brown, and the color of the sample prepared by the dyeing process of wool fabric with Sterculia lychnophora plant dye adding NaOH and NaCl is reddish brown.

[0050] The above is only a preferred embodiment of the present invention, which is only used to help understand the method of the present invention and its core essence, but the protection scope of the present invention is not limited thereto. For those skilled in the art in the art, equivalent replacement or change according to the technical solution and inventive concept of the present invention within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A method for extracting a Sterculia lychnophora plant dye and dyeing textiles thereof, characterized in that: The steps include: S1. Cut the textiles and weigh and record the cut fabric samples; S2, take an appropriate amount of Sterculia lychnophora, crush it and weigh it, put it into a polylactic acid (PLA) filter bag, put it into a beaker, add water with a certain extraction solid-liquid ratio, heat it in a high-temperature water bath for 1 to 2 hours, filter the solution after water bath heating, and obtain Sterculia lychnophora dye; S3. Place the fabric sample in a bath ratio of 1:60 of Sterculia lychnophora dye, heat it in a high-temperature water bath for 1 to 2 hours, and stir it continuously. After heating in the water bath, slowly lower the temperature to room temperature, take out the fabric sample and dry it naturally.

2. The method for extracting a Sterculia lychnophora plant dye and dyeing textiles thereof according to claim 1, characterized in that: The textile used in S1 is cotton fabric or wool fabric.

3. The method for extracting a Sterculia lychnophora plant dye and dyeing textiles thereof according to claim 1, characterized in that: The water bath temperature in S2 is 80-90°C.

4. The method for extracting a Sterculia lychnophora plant dye and dyeing textiles thereof according to claim 1, characterized in that: The material-liquid ratio of the extraction in S2 is 1:30 to 1:

50.

5. The method for extracting a Sterculia lychnophora plant dye and dyeing textiles thereof according to claim 1, characterized in that: The water bath temperature in S3 is 80-90°C.

6. A method for extracting the Sterculia lychnophora plant dye obtained as claimed in any one of claims 1 to 5 and dyeing textiles thereof.

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