Degradable biological imitation leather composite fabric and preparation process thereof

Abstract

The invention discloses a degradable biological imitation leather composite fabric and a preparation process thereof, and relates to the field of artificial leather, and the preparation process comprises the following steps: S1, weighing 100 parts by weight of deionized water, placing the deionized water in a saucepan, placing the saucepan on an induction cooker, heating the saucepan to 80 DEG C at 800W, and adding 1.5-2.0 parts of edible carrageenan; s2, adding 2.0-3.0 parts of medical glycerol into the solution obtained in the step S1, and stirring for 5 minutes; s3, adding 0.1 to 0.3 part of food coloring and 0.5 to 1.0 part of fruit and vegetable powder into the solution obtained in the step S2; s4, the wool tops or the cotton materials are placed at the bottom of the silica gel mold or the vessel; s5, pouring the mixed solution obtained in S3 into a mold or a vessel in which a decorative material is placed, cooling to room temperature, and refrigerating at 4 DEG C for 30 minutes to completely solidify; and S6, independently drying the solidified gel material together with the mold or after the solidified gel material is separated from the mold. And the fully biodegradable fabric with the imitation leather style is prepared.

Description

Technical Field

[0001] This invention relates to the field of artificial leather technology, and in particular to a biodegradable bio-inspired leather composite fabric and its preparation process. Background Technology

[0002] Leather is animal hide obtained through processes such as hair removal and tanning. It has the ability to resist decay and is widely used. However, the processing of animal hides is complex, they are prone to developing an unpleasant odor, and high-end genuine leather is expensive. Imitation leather typically uses a fabric base with a surface coating, resulting in a smooth, attractive appearance, strong water resistance, and easy cleaning. Imitation leather is generally classified by material, including PU artificial leather and PVC artificial leather. Their surface is difficult to distinguish from cowhide, their feel is softer and more comfortable than genuine leather, and their price is lower, making them widely used as well.

[0003] Artificial leather in related technologies all contain polymer materials, which are not easily decomposed when discarded, easily causing environmental pollution. Based on this, this application proposes a biodegradable biomimetic leather composite fabric and its preparation process. Summary of the Invention

[0004] This invention provides a biodegradable bio-inspired leather composite fabric and its preparation process, resulting in a fully biodegradable bio-inspired leather-style fabric.

[0005] According to one aspect of this disclosure, a process for preparing a biodegradable biomimetic leather composite fabric is provided, the process comprising: S1. Weigh 100 parts of deionized water by weight and place it in a saucepan. Place the saucepan on an induction cooker and heat it to 80°C at 800 W. Add 1.5 to 2.0 parts of edible carrageenan while stirring continuously clockwise until completely dissolved. S2, add 2.0 to 3.0 parts of medical glycerin to the solution obtained in step S1, and continue to stir clockwise for 5 minutes; S3, add 0.1 to 0.3 parts of food coloring and 0.5 to 1.0 parts of fruit and vegetable powder to the solution obtained in step S2, and continue to stir clockwise until uniform; S4, place wool strips or cotton as decorative and reinforcing materials at the bottom of the silicone mold or container beforehand; S5. While the mixture obtained in S3 is still hot, pour it into the mold or container on which the decorative material has been placed. Let it stand and cool naturally to room temperature, then refrigerate at 4 ℃ for 30 min to allow it to solidify completely. S6. The solidified gel material is dried along with the mold or separately after being removed from the mold.

[0006] In one possible implementation, the drying process in step S6 includes one of the following methods: Air dry naturally: Place in a well-ventilated environment with a temperature of 10-20℃ and a relative humidity of ≤50% for 48-72 hours; Hot air drying: Place in a 35 ℃ hot air circulating oven and dry for 10 h; When the ambient humidity is greater than 50%, add 0.05 to 0.08 parts of potassium sorbate to the mixture in step four.

[0007] In one possible implementation, the edible carrageenan is κ-carrageenan, ι-carrageenan, or a mixture thereof.

[0008] In one possible implementation, the medical glycerin is glycerol with a purity of ≥99.5%.

[0009] In one possible implementation, the fruit and vegetable powder is selected from one or more of freeze-dried strawberry powder, freeze-dried blueberry powder, freeze-dried spinach powder, and freeze-dried pumpkin powder; The food coloring is a natural coloring, selected from one or more of betaine, gardenia blue, and curcumin.

[0010] In one possible implementation, the decorative material in step S4 is a degreased cotton strip or wool strip that has been sterilized by ultraviolet light. The length of the degreased cotton strip or wool strip is referenced to the length of the mold or utensil, minus 0.5 to 1 cm at the top and bottom.

[0011] In one possible implementation, in S6, when drying with a silicone mold, the inner surface of the mold is pre-sprayed with a food-grade release agent; The power control accuracy of the induction cooker is ±20 W; The vessel is made of borosilicate glass and can withstand temperatures ≥120 ℃.

[0012] A biodegradable biomimetic leather composite fabric, wherein the biomimetic leather composite fabric is prepared using the aforementioned biodegradable biomimetic leather composite fabric preparation process. The bio-similar leather composite fabric comprises the following components: 1.5-2.0 parts edible carrageenan, 2.0-3.0 parts medical glycerin, 0.1-0.3 parts food coloring, 0.5-1.0 parts fruit and vegetable powder, and the amount of wool strips or cotton used as reinforcing materials is unlimited. The imitation leather fabric is shaped like a leather material with a three-dimensional texture on the surface.

[0013] In one possible implementation, the edible carrageenan is κ-carrageenan, ι-carrageenan, or a mixture thereof; The medical glycerin is glycerol with a purity of ≥99.5%; The fruit and vegetable powder is selected from one or more of freeze-dried strawberry powder, freeze-dried blueberry powder, freeze-dried spinach powder, and freeze-dried pumpkin powder; The food coloring is a natural coloring, selected from one or more of betaine, gardenia blue, and curcumin.

[0014] Compared with the prior art, the beneficial effects of the present invention are: This disclosure presents a biodegradable bio-faux leather composite fabric that breaks through the traditional methods of producing nonwoven fabrics based on fiber-based thermal or chemical bonding. It utilizes carrageenan as the main material and natural fibers as the composite material to design and prepare a fully biodegradable, faux leather-style fabric. Environmentally friendly green fruit and vegetable dyes are used for dyeing, achieving an overall effect that is close to and superior to the saturation of natural colors. It can be mixed with dyed wool tops or undyed cotton fibers to create multi-color blending effects.

[0015] The different water absorption properties of the natural fibers contained in the fabric, and the change in the internal moisture content of the natural fibers during the manufacturing process, result in a random pleated texture effect in the overall fabric. Attached Figure Description

[0016] Figure 1 A flowchart illustrating the preparation process of a biodegradable biomimetic leather composite fabric according to an embodiment of this disclosure is shown.

[0017] Figure 2 A physical image of a faux leather fabric according to an embodiment of this disclosure is shown.

[0018] Figure 3 A physical image of a faux leather fabric according to an embodiment of this disclosure is shown.

[0019] Figure 4 A physical image of a faux leather fabric according to an embodiment of this disclosure is shown.

[0020] Figure 5 A physical image of a faux leather fabric according to an embodiment of this disclosure is shown.

[0021] Figure 6 A physical image of a faux leather fabric according to an embodiment of this disclosure is shown.

[0022] Figure 7 A physical image of a faux leather fabric according to an embodiment of this disclosure is shown.

[0023] Figure 8 A physical image of a faux leather fabric according to an embodiment of this disclosure is shown.

[0024] Figure 9 A physical image of a faux leather fabric according to an embodiment of this disclosure is shown.

[0025] Figure 10 A physical image of a faux leather fabric according to an embodiment of this disclosure is shown.

[0026] Figure 11 A physical image of a faux leather fabric according to an embodiment of this disclosure is shown.

[0027] Figure 12 A physical image of a faux leather fabric according to an embodiment of this disclosure is shown.

[0028] Figure 13 A physical image of a faux leather fabric according to an embodiment of this disclosure is shown.

[0029] Figure 14 A product image showing an embodiment of the present disclosure is provided.

[0030] Figure 15 A product image showing an embodiment of the present disclosure is provided.

[0031] Figure 16 A product image showing an embodiment of the present disclosure is provided.

[0032] Figure 17 A product image showing an embodiment of the present disclosure is provided. Detailed Implementation

[0033] Various exemplary embodiments, features, and aspects of this disclosure will now be described in detail with reference to the accompanying drawings. The same reference numerals in the drawings denote elements that have the same or similar functions. Although various aspects of the embodiments are shown in the drawings, they are not necessarily drawn to scale unless specifically indicated otherwise.

[0034] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments.

[0035] Furthermore, to better illustrate this disclosure, numerous specific details are set forth in the following detailed description. Those skilled in the art will understand that this disclosure can be practiced without certain specific details. In some instances, methods, means, components, and circuits well known to those skilled in the art have not been described in detail in order to highlight the main points of this disclosure.

[0036] According to one aspect of this disclosure, such as Figure 1 As shown, a process for preparing a biodegradable biomimetic leather composite fabric is provided, the process comprising: Utensils, silicone molds, spoons, measuring cups, and cooking pots are sterilized, and operators wear disposable gloves; S1. Weigh 100 parts of deionized water by weight and place it in a saucepan. Place the saucepan on an induction cooker and heat it to 80°C at 800 W. Add 1.5 to 2.0 parts of edible carrageenan while stirring continuously clockwise until completely dissolved. S2, add 2.0 to 3.0 parts of medical glycerin to the solution obtained in step S1, and continue to stir clockwise for 5 minutes; S3, add 0.1 to 0.3 parts of food coloring and 0.5 to 1.0 parts of fruit and vegetable powder to the solution obtained in step S2, and continue to stir clockwise until uniform; S4, place wool strips or cotton as decorative and reinforcing materials at the bottom of the silicone mold or container beforehand; S5. While the mixture obtained in S3 is still hot, pour it into the mold or container on which the decorative material has been placed. Let it stand and cool naturally to room temperature, then refrigerate at 4 ℃ for 30 min to allow it to solidify completely. S6. The solidified gel material is dried along with the mold or separately after being removed from the mold.

[0037] In one possible implementation, the drying process in step S6 includes one of the following methods: Air dry naturally: Place in a well-ventilated environment with a temperature of 10-20℃ and a relative humidity of ≤50% for 48-72 hours; Hot air drying: Place in a 35 ℃ hot air circulating oven and dry for 10 h; When the ambient humidity is greater than 50%, add 0.05 to 0.08 parts of potassium sorbate to the mixture in step four.

[0038] Example 1: 25g gelatin, 10g glycerin, 800ml water.

[0039] Example 2: 35g gelatin, 10g glycerin, 800ml water.

[0040] Comparing Example 1 and Example 2, the more gelatin, the harder the texture.

[0041] Example 3: 32g gelatin, 10g glycerin, 800ml water.

[0042] Example 4: 32g gelatin, 5g glycerin, 800ml water.

[0043] Comparing Examples 3 and 4, the more glycerin, the better the toughness.

[0044] Example 5: 32 g carrageenan, 10 g glycerin, 800 ml water.

[0045] Example 6: 32 g carrageenan, 15 g glycerin, 800 ml water.

[0046] Comparing Examples 5 and 6, the more glycerin, the better the toughness.

[0047] In one possible implementation, the edible carrageenan is κ-carrageenan, ι-carrageenan, or a mixture thereof.

[0048] In one possible implementation, the medical glycerin is glycerol with a purity of ≥99.5%.

[0049] In one possible implementation, the fruit and vegetable powder is selected from one or more of freeze-dried strawberry powder, freeze-dried blueberry powder, freeze-dried spinach powder, and freeze-dried pumpkin powder; The food coloring is a natural coloring, selected from one or more of betaine, gardenia blue, and curcumin.

[0050] In one possible implementation, the decorative material in step S4 is a degreased cotton strip or wool strip treated with ultraviolet light. The length of the degreased cotton strip or wool strip is referenced to the length of the mold or utensil, minus 0.5 to 1 cm at the top and bottom.

[0051] In one possible implementation, in S6, when drying with a silicone mold, the inner surface of the mold is pre-sprayed with a food-grade release agent; The power control accuracy of the induction cooker is ±20 W; The vessel is made of borosilicate glass and can withstand temperatures ≥120 ℃.

[0052] A biodegradable biomimetic leather composite fabric, wherein the biomimetic leather composite fabric is prepared using the aforementioned biodegradable biomimetic leather composite fabric preparation process. The bio-similar leather composite fabric comprises the following components: 1.5-2.0 parts edible carrageenan, 2.0-3.0 parts medical glycerin, 0.1-0.3 parts food coloring, 0.5-1.0 parts fruit and vegetable powder, and the amount of wool strips or cotton used as reinforcing materials is unlimited. The imitation leather fabric is shaped like a leather material with a three-dimensional texture on the surface.

[0053] In one possible implementation, the edible carrageenan is κ-carrageenan, ι-carrageenan, or a mixture thereof; The medical glycerin is glycerol with a purity of ≥99.5%; The fruit and vegetable powder is selected from one or more of freeze-dried strawberry powder, freeze-dried blueberry powder, freeze-dried spinach powder, and freeze-dried pumpkin powder; The food coloring is a natural coloring, selected from one or more of betaine, gardenia blue, and curcumin.

[0054] The faux leather fabric of this application is a multi-colored, fully biodegradable fabric with leather-like characteristics, made primarily from carrageenan extracted from red algae seaweed, combined with natural fiber materials such as wool strips and cotton, and dyed with green fruit and vegetable powder.

[0055] A biodegradable bio-faux leather composite fabric manufacturing process utilizes a fiber-based thermal or chemical bonding method for nonwoven fabric production. This faux leather fabric primarily uses carrageenan with natural fibers as a secondary component, resulting in a fully biodegradable faux leather-style fabric. It achieves multi-color mixing effects, random pleated textures, and an overall effect that closely resembles but surpasses the saturation of natural colors (see reference). Figures 2-14 ).

[0056] Figure 2 The material used to enhance the fabric's function is mesh, and the fruit and vegetable powder is butterfly pea flower powder. Figure 3 The material used to enhance the fabric's functionality is wool strips, and the fruit and vegetable powder is spinach powder. Figure 4 The material used to enhance the fabric's functionality is wool strips, and the fruit and vegetable powder is butterfly pea flower powder. Figure 5 The material used to enhance the fabric's functionality is wool strips, and the fruit and vegetable powder is carrot powder. Figure 6 The material used to enhance the fabric's functionality is tea leaves, and the fruit and vegetable powder is black tea powder. Figure 7 The material used to enhance the fabric's functionality is flower petals, and the fruit and vegetable powder is pumpkin powder; Figure 8 The material used to enhance the fabric's functionality is sequins, and the fruit and vegetable powder is spinach powder. Figure 9 The material used to enhance the fabric's function is lace, and the fruit and vegetable powder is strawberry powder. Figure 10 The fabric in the middle is made of non-reinforcing material, and the fruit and vegetable powder is coffee powder; Figure 11 The material used to enhance the fabric's function is cotton, and the fruit and vegetable powder is purple sweet potato powder. Figure 12 The material used to enhance the fabric's function is cotton, and the fruit and vegetable powder is beetroot powder. Figure 13 The material used to enhance the fabric's functionality is flower petals, and the fruit and vegetable powder is strawberry powder.

[0057] Innovation Point 1: Fabric Innovation. Breaking through the production methods of nonwoven fabrics that rely primarily on fiber-based thermal or chemical bonding, a fully biodegradable, leather-like fabric was designed and prepared using carrageenan as the main material and natural fibers as composite materials.

[0058] Innovation Point 2: Dyeing Innovation. An innovative dyeing method was designed for carrageenan fabric raw materials, and environmentally friendly green fruit and vegetable powder dyes were used for dyeing, achieving an overall effect that is close to and better than the saturation of natural colors.

[0059] Innovation Point 3: Texture Innovation. The different water absorption properties of the natural fibers contained in the fabric, due to the changes in the internal moisture content of the natural fibers during the manufacturing process, result in a random folded texture effect in the overall fabric.

[0060] Innovation Point 4: Color Innovation. The fabric contains natural fibers, including dyed and undyed wool or cotton fibers. These natural fibers serve as the base color of the fabric and mix with the dye colors to create a multi-color mixed effect.

[0061] By employing three variable and combinable technological points—composite raw materials, environmentally friendly dyeing, and color creation—a multi-color, fully biodegradable fabric was innovatively designed.

[0062] Advantages of the work: (1) It is completely biodegradable and environmentally friendly; (2) The raw materials are widely available and natural and environmentally friendly, neither competing with people for food nor restricted by petroleum resources; (3) The process flow is short and the technical cost is low; (4) The composite process and molding process can meet the diverse needs of morphology and structure; (5) The color effect and texture effect are both controllable and variable.

[0063] Scope of application: imitation leather fabrics and related products market, biodegradable fabrics and related products market, recycled resources and related products market, and art design raw materials and related products market, etc.

[0064] Promotion prospects: This product is completely biodegradable, has a wide range of applications, and its molding effect can meet diverse consumer needs, making it an excellent product with great promotion prospects.

[0065] Market Analysis: This product is suitable for the diverse needs of my country's low-carbon development market and personalized customization market, and its market prospects are enormous.

[0066] Economic benefit forecast: Raw materials are widely available and low in cost, while the molding process is short and easy to operate, which can reduce costs by at least 15% and increase revenue by 5%.

[0067] The various embodiments of this disclosure have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or technical improvements to the embodiments in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A preparation process for a biodegradable biomimetic leather composite fabric, characterized in that, The process includes: S1. Weigh 100 parts of deionized water by weight and place it in a saucepan. Place the saucepan on an induction cooker and heat it to 80°C at 800 W. Add 1.5 to 2.0 parts of edible carrageenan while stirring continuously clockwise until completely dissolved. S2, add 2.0 to 3.0 parts of medical glycerin to the solution obtained in step S1, and continue to stir clockwise for 5 minutes; S3, add 0.1 to 0.3 parts of food coloring and 0.5 to 1.0 parts of fruit and vegetable powder to the solution obtained in step S2, and continue to stir clockwise until uniform; S4, place wool strips or cotton as decorative and reinforcing materials at the bottom of the silicone mold or container beforehand; S5. While the mixture obtained in S3 is still hot, pour it into the mold or container on which the decorative material has been placed. Let it stand and cool naturally to room temperature, then refrigerate at 4 ℃ for 30 min to allow it to solidify completely. S6. The solidified gel material is dried along with the mold or separately after being removed from the mold.

2. The preparation process of a biodegradable biomimetic leather composite fabric according to claim 1, characterized in that, The drying process in step S6 includes one of the following methods: Air dry naturally: Place in a well-ventilated environment with a temperature of 10-20℃ and a relative humidity of ≤50% for 48-72 hours; Hot air drying: Place in a 35 ℃ hot air circulating oven and dry for 10 h; When the ambient humidity is greater than 50%, add 0.05 to 0.08 parts of potassium sorbate to the mixture in step four.

3. The preparation process of a biodegradable biomimetic leather composite fabric according to claim 1, characterized in that, The edible carrageenan is κ-type carrageenan, ι-type carrageenan, or a mixture thereof.

4. The preparation process of a biodegradable biomimetic leather composite fabric according to claim 1, characterized in that, The medical glycerin is glycerol with a purity of ≥99.5%.

5. The preparation process of a biodegradable biomimetic leather composite fabric according to claim 1, characterized in that, The fruit and vegetable powder is selected from one or more of freeze-dried strawberry powder, freeze-dried blueberry powder, freeze-dried spinach powder, and freeze-dried pumpkin powder; The food coloring is a natural coloring, selected from one or more of betaine, gardenia blue, and curcumin.

6. The preparation process of a biodegradable biomimetic leather composite fabric according to claim 1, characterized in that, The decorative material mentioned in step S4 is a degreased cotton strip or wool strip that has been sterilized by ultraviolet light. The length of the degreased cotton strip or wool strip is referenced to the length of the mold or utensil, minus 0.5 to 1 cm at the top and bottom.

7. The preparation process of a biodegradable biomimetic leather composite fabric according to claim 1, characterized in that, In S6, when using a silicone mold for drying, the inner surface of the mold is pre-sprayed with a food-grade release agent; The power control accuracy of the induction cooker is ±20 W; The vessel is made of borosilicate glass and can withstand temperatures ≥120 ℃.

8. A biodegradable biomimetic leather composite fabric, wherein the biomimetic leather composite fabric is prepared using the preparation process of the biodegradable biomimetic leather composite fabric according to any one of claims 1-7, characterized in that, The bio-similar leather composite fabric comprises the following components: 1.5-2.0 parts edible carrageenan, 2.0-3.0 parts medical glycerin, 0.1-0.3 parts food coloring, 0.5-1.0 parts fruit and vegetable powder, and the amount of wool strips or cotton used as reinforcing materials is unlimited. The imitation leather fabric is shaped like a leather material with a three-dimensional texture on the surface.

9. The biodegradable biomimetic leather composite fabric according to claim 8, characterized in that, The edible carrageenan is κ-type carrageenan, ι-type carrageenan, or a mixture thereof; The medical glycerin is glycerol with a purity of ≥99.5%; The fruit and vegetable powder is selected from one or more of freeze-dried strawberry powder, freeze-dried blueberry powder, freeze-dried spinach powder, and freeze-dried pumpkin powder; The food coloring is a natural coloring, selected from one or more of betaine, gardenia blue, and curcumin.

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