Cool fabric and preparation process thereof

Abstract

The present application relates to the field of textile fabrics, and discloses a cool fabric and its preparation process. A cool fabric is knitted by cool yarn, which is made of one or a combination of cotton fiber, polyester fiber, nylon, and spandex. The cool yarn formed by one or a combination of pure cotton fiber, polyester fiber, and spandex spinning is post-treated with a cool treatment agent. The cool treatment agent is made of the following raw materials in parts by weight: 10-20 parts of cool agent, 18-26 parts of coating agent, 5-10 parts of adhesive, 4-8 parts of cross-linking agent, 2-5 parts of penetrant, 0.5-1.5 parts of emulsifier, and 8-15 parts of solvent; the coating agent is made of acrylamide-acrylic acid copolymer, a dispersant, a thermal conductor, and water; a preparation method: the fabric is soaked and dried with a relatively optimal ratio of the cool treatment agent; the preparation method of the present application is simple, and the obtained cool fabric has good contact coolness and moisture absorption and perspiration wicking, good washability, and good stability.

Description

Technical Field

[0001] This application relates to the field of textiles and fabrics, and more specifically, to a cooling fabric and its preparation process. Background Technology

[0002] Cooling fabric is a type of fabric that provides coolness, comfort, and instant cooling. It is suitable for hot summers when the human body sweats easily. Since most of the sweat is removed through evaporation, wiping, and absorption by clothing, the requirements for clothing fabrics to be moisture-wicking, lightweight, and cool are relatively high.

[0003] Currently, cooling fabrics are generally produced by adding particles such as jade, shell powder, and mica during the spinning process to create cooling fibers, which are then knitted to obtain the cooling fabric. However, these particles are difficult to process during spinning, making the entire preparation process complex and costly. Some cooling fabrics are made by soaking the knitted fabric in cooling treatment agents containing cooling substances such as menthol. The cooling properties of menthol give the fabric a cooling sensation, but the cooling effect of this type of fabric is short-lived, reducing its overall performance. Therefore, the cooling fabrics currently in use require further improvement. Summary of the Invention

[0004] To address the issues of complex manufacturing processes and short-lived cooling effects in existing cooling fabrics, this application provides a cooling fabric and its manufacturing process.

[0005] In a first aspect, this application provides a cooling fabric, employing the following technical solution:

[0006] A cooling fabric, wherein the cooling fabric is knitted from cooling yarn, the cooling yarn being spun from one or a combination of cotton fiber, polyester fiber, nylon, and spandex, wherein the yarn formed from one or a combination of the pure cotton fiber, the polyester fiber, and the spandex yarn is post-treated with a cooling agent to form the cooling yarn, the cooling agent being prepared from the following raw materials in parts by weight:

[0007] 10-20 parts of cooling agent

[0008] 18-26 parts of coating agent

[0009] 5-10 parts adhesive

[0010] 4-8 parts of crosslinking agent

[0011] 2-5 parts of penetrant

[0012] Emulsifier 0.5-1.5 parts

[0013] Solvent 8-15 parts;

[0014] The coating agent is prepared from acrylamide-acrylic acid copolymer, dispersant, thermal conductive agent and water, and the solvent is ethanol.

[0015] By adopting the above technical solution, the resulting cooling fabric has good contact cooling sensation, moisture absorption and quick drying properties, and good washability.

[0016] The cooling fabrics in this application fall into two categories. One type is a cooling fabric formed by blending nylon (which has a cooling effect) with cotton, polyester, or spandex (which does not have a cooling effect) to form a cooling yarn, and then knitting it. The other type is a cooling fabric formed by blending cotton, polyester, or spandex (which does not have a cooling effect) to form a yarn, treating the yarn with a cooling agent, and then knitting it. Both types of cooling fabrics have good contact cooling and quick-drying properties, meeting the performance requirements standards for cooling fabrics in textiles.

[0017] The cooling agent in the cooling treatment has good contact cooling sensation and moisture absorption. Cooling yarn treated with this agent exhibits good contact cooling sensation and moisture absorption. The coating agent acts as a coating agent and further absorbs moisture, allowing for faster absorption of human sweat and further enhancing the contact cooling sensation of the resulting yarn. The adhesive provides good bonding, ensuring stable adhesion between the cooling agent and the yarn, further improving the contact cooling sensation and wash resistance of the resulting yarn. The crosslinking agent has good crosslinking properties and works synergistically with the adhesive. Under the action of the penetrant and emulsifier, it emulsifies and crosslinks well with the coating agent and cooling agent, ensuring the cooling agent is stably dispersed in the coating agent system, forming a stable crosslinked adhesive system. This further enhances the adhesion of the cooling agent to the yarn. Cooling fabrics made from this yarn exhibit good contact cooling stability and quick-drying moisture absorption.

[0018] Furthermore, the coating agent used in this application is composed of acrylamide-acrylic acid copolymer, dispersant, thermal conductive agent and water. The acrylamide-acrylic acid copolymer has a hydrophilic macromolecular network structure. Under the action of dispersant and water, the thermal conductive agent is stably dispersed in the acrylamide-acrylic acid copolymer system. The thermal conductive agent plays a good role in heat conduction and heat dissipation, which can further improve the moisture absorption and quick drying properties and the coolness of the obtained cooling fabric.

[0019] Preferably, the coating agent is prepared by the following steps:

[0020] By weight, 0.2-0.8 parts of acrylamide-acrylic acid copolymer are added to 12-20 parts of water, heated to 60-70°C, stirred evenly, and then 1-3 parts of dispersant and 3-6 parts of thermal conductive agent are added and stirred evenly to obtain a coating agent; the dispersant is diethylene glycol and the thermal conductive agent is fumed silica.

[0021] By adopting the above technical solution, the acrylamide-acrylic acid copolymer is first added to water and uniformly dispersed at a better temperature to form a viscous system with viscosity and good fluidity. Then, a dispersant and a thermally conductive agent are added to stably disperse the thermally conductive agent in the viscous system, thereby obtaining a coating agent with stable system and good coating performance.

[0022] Preferably, the cooling agent is composed of menthol, xylitol and silk protein, and the weight ratio of menthol, xylitol and silk protein is (0.1-0.2):(0.6-0.8):1.2.

[0023] By adopting the above technical solution, menthol has a good cooling sensation upon contact and can instantly reduce the contact temperature; xylitol has a good moisture absorption effect; and silk protein has a good wetting and film-forming property. The cooling agent prepared with a better ratio of menthol, xylitol and silk protein has a good cooling sensation upon contact and moisture absorption effect, and can also form a film on the surface of the yarn, which can improve the cooling sensation upon contact and the moisture absorption and quick-drying properties of the prepared cooling fabric.

[0024] Preferably, the adhesive is composed of an aqueous acrylic emulsion and dodecyl dimethylamine oxide, wherein the weight ratio of the aqueous acrylic emulsion to the dodecyl dimethylamine oxide is 1:(0.1-0.3).

[0025] By adopting the above technical solution, the water-based acrylic emulsion has good adhesion properties, and dodecyl dimethyl amine oxide is a cationic surfactant with good electrostatic adsorption and softness. Using a better ratio of water-based acrylic emulsion and dodecyl dimethyl amine oxide as adhesives can improve the adhesion of the obtained cooling treatment agent to the yarn. At the same time, dodecyl dimethyl amine oxide also has good softness properties. The cooling fabric obtained by this treatment has good softness.

[0026] Preferably, the crosslinking agent is composed of KH-560 and polyethylene glycol dimethacrylate, and the weight ratio of KH-560 to polyethylene glycol dimethacrylate is 1:(0.4-0.6).

[0027] By adopting the above technical solution, KH-560, a silane coupling agent, can be used as an interfacial crosslinking agent between inorganic and organic substances. Polyethylene glycol dimethacrylate is a crosslinking agent with good water solubility, high crosslinking density, and good flexibility and extensibility. Using KH-560 and polyethylene glycol dimethacrylate in an optimal ratio as crosslinking agents can improve the adhesion of the obtained cooling treatment agent, thereby improving the contact cooling stability and moisture absorption and quick-drying properties of the obtained cooling fabric.

[0028] Preferably, the penetrant is an organosilicon surfactant.

[0029] By adopting the above technical solution, the penetrant can improve the rapid penetration performance of the cooling agent into the yarn.

[0030] Preferably, the emulsifier is any one of isomeric alcohol polyoxyethylene ether and Tween 80. By adopting the above technical solution, the emulsifier has a good emulsifying effect, which can improve the emulsification and crosslinking performance of the cooling treatment agent, so that the obtained cooling treatment agent can be stably adhered to the yarn surface, thereby improving the contact cooling stability of the cooling fabric.

[0031] Preferably, the cooling agent is prepared by the following steps:

[0032] The cooling agent and solvent are added to the coating agent and stirred evenly. The temperature is then raised to 60-70℃, and the binder, crosslinking agent, penetrant, and emulsifier are added. After stirring evenly, the cooling agent is obtained. By adopting the above technical solution, under optimal temperature conditions, the cooling agent is stably dissolved in the solvent and stably mixed and dispersed with the coating agent. Then, the binder, crosslinking agent, penetrant, and emulsifier are added to obtain a cooling agent with stable performance.

[0033] Secondly, this application provides a manufacturing process for a cooling fabric, employing the following technical solution:

[0034] A method for preparing a cooling fabric includes the following preparation steps:

[0035] A cooling agent is mixed with water at a weight ratio of 1:(10-15). After heating, yarn formed by spinning one or a combination of pure cotton fiber, polyester fiber and spandex fiber is soaked in the mixture. After soaking, the yarn is dried and then knitted to obtain a cooling fabric.

[0036] By adopting the above technical solution, the cooling agent is diluted in a better ratio, and then the blended yarn is soaked and dried to obtain cooling yarn. The cooling yarn is then knitted to obtain a cooling fabric with a good cooling sensation.

[0037] Preferably, the heating temperature is 60-70℃, the soaking time is 20-40 min, the drying temperature is 75-85℃, and the drying time is 10-20 min.

[0038] By adopting the above technical solution, the optimal soaking temperature and time can make the cooling agent adhere evenly to the surface of the yarn. Then, it is dried at an optimal temperature. The resulting cooling yarn has good softness and cooling properties, thus producing a cooling fabric with stable performance.

[0039] In summary, this application has the following beneficial effects:

[0040] 1. The cooling fabric of this application is formed by knitting a cooling yarn made by blending nylon (which has a cooling effect) with cotton, polyester, or spandex (which does not have a cooling effect), or by blending cotton, polyester, or spandex (which does not have a cooling effect) to form a yarn, treating the yarn with a cooling treatment agent, and then knitting the yarn. Both types of cooling fabrics have good contact cooling and quick-drying properties, which meet the performance requirements of textile fabrics for cooling fabrics.

[0041] 2. A cooling agent is prepared by using menthol, xylitol, and silk protein in a preferred ratio as cooling agents, and a coating agent prepared with a preferred amount of acrylamide-acrylic acid copolymer, dispersant, thermal conductive agent, and water. The coating agent is then combined with adhesive, crosslinking agent, penetrant, emulsifier, and solvent to prepare a cooling treatment agent. Yarn treated with this cooling treatment agent has a good contact cooling sensation, and the cooling fabric knitted with this agent has good contact cooling stability and quick-drying moisture absorption.

[0042] 3. By using a more optimized ratio of water-based acrylic emulsion and dodecyl dimethylamine oxide as binders, the adhesion performance of the prepared cooling treatment agent to the yarn can be improved. At the same time, dodecyl dimethylamine oxide also has good softness properties, so the cooling fabric prepared by this treatment has good softness.

[0043] 4. By using a better ratio of KH-560 and polyethylene glycol dimethacrylate as crosslinking agents, the adhesion of the obtained cooling treatment agent can be improved, thereby improving the contact cooling stability and moisture absorption and quick-drying properties of the obtained cooling fabric.

[0044] 5. The preparation method of this application involves first treating the yarn with a cooling effect, and then knitting it, resulting in a cool fabric with stable performance. Detailed Implementation

[0045] The present application will be further described in detail below with reference to the embodiments.

[0046] The following are the specifications and sources of some of the raw materials used in this application. The raw materials used in the preparation examples and embodiments of this application can all be obtained commercially:

[0047] 1. Menthol: 98% content;

[0048] 2. Silk protein: Hydrolyzed silk protein, content 98%;

[0049] 3. Acrylamide-acrylic acid copolymer: molecular weight 1000-2000;

[0050] 4. Fumed silica: hydrophilic, particle size 100-200nm;

[0051] 5. Water-based acrylic emulsion: Dow, model PRIMAL E-2310H, effective content 45.5%;

[0052] 6. Polyethylene glycol dimethacrylate: PEG600DMA, transparent liquid, molecular weight 736, functionality 2;

[0053] 7. Organosilicon surfactant: BASF, Hydropalat WE 3229, effective content 10%;

[0054] 8. Polyacrylamide: molecular weight 400-1000.

[0055] Preparation example of coating agent

[0056] Preparation Example 1

[0057] Preparation Example 1 discloses a coating agent, which is prepared by the following steps:

[0058] 0.2 kg of acrylamide-acrylic acid copolymer was added to 12 kg of water, heated to 60 °C, and stirred for 10 min at a stirring rate of 500 r / min. After stirring evenly, 1 g of diethylene glycol was added as a dispersant and 3 kg of fumed silica as a thermal conductive agent. The mixture was stirred for 10 min at a stirring rate of 500 r / min. After stirring evenly, the coating agent was obtained.

[0059] Preparation Examples 2-3

[0060] The difference between Preparation Example 2-3 and Preparation Example 1 lies in the amount of raw materials used and the preparation conditions, as detailed in Table 1 below.

[0061] Table 1. Raw material amounts and preparation conditions for preparation examples 1-3

[0062]

[0063]

[0064] Preparation of Comparative Example 1

[0065] The difference between Comparative Example 1 and Preparation Example 1 is that fumed silica is not added as a thermal conductive agent; otherwise, they are the same as Preparation Example 1.

[0066] Preparation of Comparative Example 2

[0067] The difference between Comparative Example 2 and Preparation Example 1 is that the acrylamide-acrylic acid copolymer was replaced with an equal amount of polyacrylamide, while the rest was the same as Preparation Example 1.

[0068] Preparation Example 4

[0069] Preparation Example 4 discloses a cooling agent, which is prepared by the following steps:

[0070] Two kilograms of menthol, three kilograms of xylitol, and five kilograms of silk protein were used as cooling agents, and eight kilograms of ethanol were used as solvents. These were added to 18 kilograms of the coating agent prepared in Preparation Example 1. The mixture was heated to 60°C and stirred for 30 minutes at a stirring rate of 500 r / min. After stirring until homogeneous, three kilograms of waterborne acrylic resin and two kilograms of dodecyltrimethoxyamine oxide were added as binders, three kilograms of KH-560 and one kilogram of polyethylene glycol dimethacrylate were added as crosslinking agents, two kilograms of organosilicon surfactants were added as penetrants, and 0.5 kilograms of isomeric alcohol polyoxyethylene ethers were added as emulsifiers. The mixture was stirred for 10 minutes at a stirring rate of 500 r / min. After stirring until homogeneous, the mixture was allowed to stand, bottled, and the cooling treatment agent was obtained.

[0071] Preparation Examples 5-6

[0072] The difference between Preparation Examples 5-6 and Preparation Example 4 lies in the amount of raw materials used and the preparation conditions, as detailed in Table 2 below.

[0073] Table 2. Raw material amounts and preparation conditions for preparation examples 4-6

[0074]

[0075]

[0076] Preparation Example 7

[0077] The difference between Preparation Example 7 and Preparation Example 4 is that the weight ratio of the cooling agent is different. In Preparation Example 7, the weight ratio of menthol, xylitol and silk protein is 0.1:0.6:1.2, while the rest is the same as in Preparation Example 4.

[0078] Preparation Example 8

[0079] The difference between Preparation Example 8 and Preparation Example 4 is that the weight ratio of the cooling agent is different. In Preparation Example 7, the weight ratio of menthol, xylitol and silk protein is 0.2:0.8:1.2, and the rest is the same as Preparation Example 4.

[0080] Preparation Example 9

[0081] The difference between Preparation Example 9 and Preparation Example 7 is that the weight ratio of the adhesive is different. In Preparation Example 9, the weight ratio of the aqueous acrylic emulsion to dodecyl dimethylamine oxide is 1:0.1, and the rest is the same as Preparation Example 7.

[0082] Preparation Example 10

[0083] The difference between Preparation Example 10 and Preparation Example 7 is that the weight ratio of the adhesive is different. In Preparation Example 9, the weight ratio of the aqueous acrylic emulsion to dodecyl dimethylamine oxide is 1:0.3, and the rest is the same as Preparation Example 7.

[0084] Preparation Example 11

[0085] The difference between Preparation Example 11 and Preparation Example 9 is that the weight ratio of the crosslinking agent is different. In Preparation Example 11, the weight ratio of KH-560 to polyethylene glycol dimethacrylate is 1:0.4, while the rest is the same as in Preparation Example 9.

[0086] Preparation Example 12

[0087] The difference between Preparation Example 12 and Preparation Example 9 is that the weight ratio of the crosslinking agent is different. In Preparation Example 11, the weight ratio of KH-560 to polyethylene glycol dimethacrylate is 1:0.6, and the rest is the same as Preparation Example 9.

[0088] Preparation Example 13

[0089] The difference between Preparation Example 13 and Preparation Example 4 is that Preparation Example 13 uses the coating agent prepared in Comparative Example 1, while the rest is the same as Preparation Example 4.

[0090] Preparation Example 14

[0091] The difference between Preparation Example 14 and Preparation Example 4 is that Preparation Example 14 uses the coating agent prepared in Comparative Example 2, while the rest is the same as Preparation Example 4.

[0092] Preparation Example 15

[0093] The difference between Preparation Example 15 and Preparation Example 4 is that in Preparation Example 15, silk fibroin is replaced with xylitol in equal amounts, while the rest is the same as Preparation Example 4.

[0094] Preparation Example 16

[0095] The difference between Preparation Example 16 and Preparation Example 4 is that in Preparation Example 16, dodecyl dimethylamine oxide is replaced with an equal amount of aqueous acrylic emulsion, while the rest is the same as in Preparation Example 4.

[0096] Preparation Example 17

[0097] The difference between Preparation Example 17 and Preparation Example 4 is that in Preparation Example 17, polyethylene glycol dimethacrylate is replaced with an equal amount of KH-560, while the rest is the same as in Preparation Example 4.

[0098] Preparation Example 3 (Comparative Example 3)

[0099] The difference between Comparative Example 3 and Comparative Example 4 is that no adhesive will be added in Comparative Example 3, while the rest is the same as in Comparative Example 4.

[0100] Preparation of Comparative Example 4

[0101] The difference between Comparative Example 4 and Preparation Example 4 is that no crosslinking agent was added in Comparative Example 4, but otherwise it was the same as Preparation Example 4.

[0102] Example

[0103] Example 1

[0104] Example 1 discloses a cooling fabric, which is made of cooling yarn knitted in a 36-gauge plain weave. The cooling yarn is made of a blend of 85% nylon and 15% spandex, with the spandex having a denier of 40D and the nylon having a denier of 75D.

[0105] Example 2

[0106] Example 2 discloses a cooling fabric, which differs from Example 1 in that it is knitted from a cooling yarn. The yarn is made of a blend of 95% polyester fiber and 5% cotton fiber, wherein both the polyester fiber and the cotton fiber have a denier (D) of 50D. The yarn is post-treated with a cooling agent to produce the cooling yarn. The specific preparation process is as follows:

[0107] The cooling agent prepared in Preparation Example 4 was mixed with water at a weight ratio of 1:10, heated to 60°C, and the yarn made of 95% polyester fiber and 5% cotton fiber was soaked in it. After soaking for 20 minutes, it was baked at a temperature of 75°C for 10 minutes. After drying, it was knitted in 28-gauge plain weave to obtain the cooling fabric.

[0108] Examples 3-4

[0109] The difference between Examples 3-4 and Example 2 lies in the different preparation conditions, as detailed in Table 3 below.

[0110] Table 3. Preparation conditions for Examples 2-4

[0111]

[0112] Examples 5-15

[0113] The difference between Examples 5-15 and Example 2 is that the source of the cooling agent is different, as detailed in Table 4 below.

[0114] Table 4. Source of the cooling agents in Examples 5-15

[0115]

[0116]

[0117] Comparative Example

[0118] Comparative Example 1

[0119] The difference between Comparative Example 1 and Example 2 is that the source of the cooling agent is different. The cooling agent in Comparative Example 1 is derived from the preparation of Comparative Example 3. Otherwise, they are the same as in Example 2.

[0120] Comparative Example 2

[0121] The difference between Comparative Example 2 and Example 2 is that the source of the cooling agent is different. The cooling agent in Comparative Example 2 is derived from the preparation of Comparative Example 4. Everything else is the same as in Example 2.

[0122] Performance testing

[0123] The following tests were conducted on the performance of the cooling fabrics obtained in Examples 1-15 and Comparative Examples 1-2:

[0124] (1) Instant cooling test

[0125] Referring to GB / T35263-2017 "Test and Evaluation of Instant Cooling Performance of Textiles", the instant cooling performance of cooling fabrics was tested (unit: J / cm). 2 .s) test, detect and record the test results;

[0126] (2) Moisture absorption and quick-drying test

[0127] According to GB / T 21655.1-2008 "Evaluation of the moisture absorption and quick-drying properties of textiles - Part 1: One-way combined test method", the test was conducted under the conditions of 60% humidity, 20℃ temperature and standard atmospheric pressure. The moisture absorption performance of the fabric was evaluated by water absorption rate (unit: %) and water droplet diffusion time (unit: s), and the quick-drying performance was evaluated by evaporation rate (unit: g / h). The test results were detected and recorded.

[0128] (3) Washability test

[0129] In a fully automatic drum washing machine, select the dehydration mode and perform one cycle of washing, rinsing, and spin-drying. Keep the water temperature at 25℃ and wash 20 times with laundry detergent. Then, refer to GB / T35263-2017 "Test and Evaluation of Instant Cooling Performance of Textiles" to test the instant cooling sensation of the fabric (unit: J / cm). 2 Perform tests on .s), detect and record the results;

[0130] The following are the performance test data of the cooling fabrics prepared in Examples 1-15 and Comparative Examples 1-2, as detailed in Table 5 below.

[0131] Table 5 Performance test data of the cooling fabrics in Examples 1-15 and Comparative Examples 1-2

[0132]

[0133]

[0134] As can be seen from Example 1 and Table 5, the cool-feeling fabric produced by using nylon as the cool-feeling yarn for knitting meets the standard requirements of textile fabrics for cool-feeling fabrics.

[0135] As can be seen from Examples 2-4, 5-6 and 13 and Table 5, the cooling agent prepared by using the preferred proportion of the cooling agent of this application produces a cooling fabric knitted from the cooling yarn, which has good contact cooling sensation and quick-drying moisture absorption. The contact cooling sensation is also relatively stable after washing.

[0136] As can be seen from Examples 5-6, 7-8, 14, and Comparative Example 1, and in conjunction with Table 5, the cooling treatment agent prepared using the preferred proportion of the adhesive of this application, when used to treat the cooling yarn, results in a cooling fabric knitted with a more stable cooling sensation upon contact.

[0137] As can be seen from Examples 7-8, 9-10, 15 and Comparative Example 2, and Table 5, the cooling treatment agent prepared using the preferred proportion of the crosslinking agent of this application produces a cooling fabric knitted from the cooling yarn, which has a better and more stable contact cooling sensation.

[0138] As can be seen from Examples 2-4 and Examples 11-12, the coating agent prepared by the preparation method of this application has good performance. The cool-feeling fabric made by knitting cool-feeling yarn treated with the cool-feeling treatment agent prepared in this way has good instant contact coolness and good moisture absorption and quick-drying properties.

[0139] This specific embodiment is merely an explanation of this application and is not intended to limit it. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of this application.

Claims

1. A cooling fabric, characterized in that, The cooling fabric is knitted from cooling yarn, which is made from one or a combination of cotton fiber, polyester fiber, nylon, and spandex. The yarn formed from one or a combination of cotton fiber, polyester fiber, and spandex is post-treated with a cooling agent to form the cooling yarn. The cooling agent is prepared from the following raw materials in parts by weight: 10-20 parts of cooling agent 18-26 parts of coating agent 5-10 parts adhesive 4-8 parts of crosslinking agent 2-5 parts of penetrant Emulsifier 0.5-1.5 parts, 8-15 parts of solvent, wherein the solvent is ethanol; The coating agent is prepared by the following steps: by weight, 0.2-0.8 parts of acrylamide-acrylic acid copolymer are added to 12-20 parts of water, heated to 60-70°C, stirred evenly, and then 1-3 parts of dispersant and 3-6 parts of thermal conductive agent are added and stirred evenly to obtain the coating agent; the dispersant is diethylene glycol and the thermal conductive agent is fumed silica; The cooling agent is composed of menthol, xylitol, and silk protein in a weight ratio of (0.1-0.2):(0.6-0.8):1.2; the adhesive is composed of aqueous acrylic emulsion and dodecyl dimethylamine oxide in a weight ratio of 1:(0.1-0.3); and the crosslinking agent is composed of KH-560 and polyethylene glycol dimethacrylate in a weight ratio of 1:(0.4-0.6). The cooling agent is prepared by the following steps: adding the cooling agent and solvent to the coating agent, stirring evenly, heating to 60-70℃, adding the adhesive, crosslinking agent, penetrant and emulsifier, stirring evenly to obtain the cooling agent.

2. The cooling fabric according to claim 1, characterized in that: The penetrant is an organosilicon surfactant.

3. The cooling fabric according to claim 1, characterized in that: The emulsifier is either isomeric alcohol polyoxyethylene ether or Tween 80.

4. A process for preparing a cooling fabric as described in any one of claims 1-3, characterized in that, The preparation steps include the following: A cooling agent is mixed with water at a weight ratio of 1:(10-15). After heating, yarn formed by spinning one or a combination of pure cotton fiber, polyester fiber and spandex is soaked in the mixture. After soaking, the yarn is dried and then knitted to obtain a cooling fabric.

5. The preparation process of a cooling fabric according to claim 4, characterized in that, The heating temperature is 60-70℃, the soaking time is 20-40 minutes, the drying temperature is 75-85℃, and the drying time is 10-20 minutes.

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