A fabric with temperature regulating function and its application in down jackets

Abstract

The present invention discloses a fabric with a temperature regulating function, including a fabric substrate layer, a temperature regulating layer is provided on the surface and inside of the fabric substrate, the fabric substrate layer is woven by warp and weft of a blended fiber composed of kapok fiber and bamboo charcoal fiber, and the temperature regulating layer is formed by impregnating the fabric substrate with a temperature regulating finishing agent; the temperature regulating finishing agent includes the following raw materials by mass: 10-20 parts of modified phase change microcapsules, 8-12 parts of waterborne polyurethane and 90-120 parts of ionized water. The fabric with a temperature regulating function described in the present invention and its application in down jackets can improve its temperature regulating performance and water washing durability, and have a certain improvement effect on the fluffiness of the fabric; in the temperature regulating finishing agent, graphene and magnesium oxide are deposited on the surface of activated hollow silica microspheres, which can greatly enhance the temperature regulating performance of the fabric and improve the yellowing resistance of the fabric.

Description

Technical Field

[0001] The invention relates to the technical field of fabrics, and in particular to a fabric with a temperature regulating function and application thereof in down jackets. Background Art

[0002] Fabrics are materials used to make clothing. With the improvement of people's living standards and cultural tastes, new changes have taken place in the concept of dressing, and various functional clothing fabrics such as antibacterial and anti-mite, fire-resistant and flame-retardant, and automatic temperature-regulating have emerged; however, the existing temperature-regulating fabrics are usually made by applying microcapsules containing phase change substances to the fiber surface or fabric surface during use. Although they have a certain temperature-regulating effect, the resulting fabrics are rough and have poor water-washing resistance; in addition, the resulting temperature-regulating fabrics are prone to yellowing during long-term use, resulting in low aesthetics and affecting the service life of the clothing made from them. Summary of the invention

[0003] The main purpose of the present invention is to provide a fabric with temperature regulating function and its application in down jackets, which can effectively solve the problems in the background technology.

[0004] To achieve the above object, the technical solution adopted by the present invention is:

[0005] A fabric with a temperature regulating function, comprising a fabric base material layer, wherein a temperature regulating layer is arranged on the surface and inside of the fabric base material, wherein the fabric base material layer is woven by warp and weft of a blended fiber consisting of kapok fiber and bamboo charcoal fiber, and the temperature regulating layer is formed by impregnating the fabric base material with a temperature regulating finishing agent;

[0006] The temperature regulating finishing agent comprises the following raw materials in parts by mass: 10-20 parts of modified phase change microcapsules, 8-12 parts of waterborne polyurethane and 90-120 parts of ionized water;

[0007] The steps of manufacturing the fabric with temperature regulating function are as follows:

[0008] Step S1: adding hollow silica microspheres to an active agent solution for surface activation treatment, using a hydrothermal method to deposit graphene and magnesium oxide on the surface of the activated hollow silica microspheres to obtain pretreated hollow silica microspheres, adding the pretreated hollow silica microspheres to n-nonadecane, vacuum filtering, stirring, obtaining a modified phase change core, and preparing a modified phase change microcapsule with the modified phase change core as a core material and polystyrene as a wall material by nanotechnology;

[0009] Step S2: placing the modified phase change microcapsules, waterborne polyurethane and ionized water in a mixer and mixing them to prepare a temperature regulating finishing agent;

[0010] Step S3: weaving the blended fibers into a fabric base layer by warp and weft, and performing a light alkali pretreatment on the fabric base layer;

[0011] Step S4: sending the fabric substrate layer after the light alkali pretreatment into an open-width airflow softener for air washing, and placing the air-washed fabric substrate layer in a temperature regulating finishing agent for immersion and rolling, drying, baking and cooling after immersion and rolling, and repeating the air washing, immersion and rolling, drying, baking and cooling operations three times in sequence to obtain a fabric with temperature regulation function.

[0012] As a further optimization scheme of the present invention, the weight ratio of the kapok fiber to the bamboo charcoal fiber is 3:1.

[0013] As a further optimization scheme of the present invention, in the modified phase change microcapsules in step 1, the weight ratio of the modified phase change core to polystyrene is (1-2):1, and the weight ratio of the hollow silica microspheres to n-nonadecane is 1:(1-3).

[0014] As a further optimization scheme of the present invention, the surface activation treatment in step 1 is to place the hollow silica microspheres in water, wash them with water and then vacuum filter them, place the cleaned hollow silica microspheres in an acid solution with a mass percentage concentration of 4-5% and magnetically stir them to roughen the surface, wash them with water and then vacuum filter them to dry them to obtain surface-roughened glass microspheres.

[0015] As a further optimization scheme of the present invention, the acid solution is one or a combination of two or more of a hydrofluoric acid solution, an acetic acid solution, a hydrochloric acid solution, a sulfuric acid solution and a nitric acid solution.

[0016] As a further optimization scheme of the present invention, the alkali solution used for the weak alkali pretreatment in step S3 is a sodium hydroxide aqueous solution with a concentration of 4 g / L.

[0017] As a further optimization scheme of the present invention, the operating speed of the open-width airflow softening machine in step S4 is 12-20 m / min, and the air washing temperature is 120-130°C.

[0018] As a further optimization scheme of the present invention, in step S4, the drying temperature is 80° C., the drying time is 3 minutes, the baking temperature is 150° C., and the baking time is 2 minutes.

[0019] An application of the above fabric with temperature regulating function in down jackets can be used as down jacket fabrics.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. In the present invention, a composite core material is obtained by compounding n-nonadecane and hollow silica microspheres with activated deposition treatment on the surface, and modified phase change microcapsules are prepared with polystyrene as the wall material. The obtained finishing agent can improve the temperature regulating performance and water washing durability of the fabric during the use of the down jacket, and has a certain effect on improving the fluffiness of the fabric.

[0022] 2. In the present invention, graphene and magnesium oxide are deposited on the surface of activated hollow silica microspheres in a temperature regulating finishing agent, which can greatly enhance the temperature regulating performance of the fabric and improve the yellowing resistance of the fabric, thereby extending the service life of the down jacket. DETAILED DESCRIPTION

[0023] The present application is described in further detail below. It is necessary to point out that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technicians in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0024] Example 1

[0025] A fabric with a temperature regulating function, comprising a fabric base layer, a temperature regulating layer is arranged on the surface and inside of the fabric base layer, the fabric base layer is woven by warp and weft of a blended fiber consisting of kapok fiber and bamboo charcoal fiber, the temperature regulating layer is formed by impregnating the fabric base layer with a temperature regulating finishing agent, wherein the weight ratio of kapok fiber to bamboo charcoal fiber is 3:1;

[0026] The temperature regulating finishing agent includes the following raw materials in parts by mass: 10 parts of modified phase change microcapsules, 8 parts of waterborne polyurethane and 90 parts of ionized water;

[0027] The steps for making fabrics with temperature regulation function are as follows:

[0028] Step S1: adding hollow silica microspheres to an active agent solution for surface activation treatment, using a hydrothermal method to deposit graphene and magnesium oxide on the surface of the activated hollow silica microspheres to obtain pretreated hollow silica microspheres, adding the pretreated hollow silica microspheres to n-nonadecane, vacuum filtering, stirring, obtaining a modified phase change core, and preparing a modified phase change microcapsule with the modified phase change core as a core material and polystyrene as a wall material by nanotechnology, wherein the weight ratio of the modified phase change core to polystyrene in the modified phase change microcapsule is 1:1, and the weight ratio of the hollow silica microspheres to n-nonadecane is 1:1;

[0029] Step S2: placing modified phase change microcapsules, waterborne polyurethane and ionized water in a mixer for mixing and stirring to prepare a temperature regulating finishing agent, wherein the modified phase change microcapsules are prepared by selecting n-nonadecane and polystyrene in a weight ratio of 1:1 as raw materials and using nanotechnology;

[0030] Step S3: weaving the blended fibers into a fabric substrate layer through warp and weft, and performing a light alkali pretreatment on the fabric substrate layer, wherein the alkali solution used for the light alkali pretreatment is a sodium hydroxide aqueous solution with a concentration of 4 g / L;

[0031] Step S4: sending the fabric substrate layer after the light alkali pretreatment into the open-width airflow softening machine for air washing, and placing the air-washed fabric substrate layer in the temperature regulating finishing agent for immersion rolling, drying, baking and cooling after immersion rolling, and repeating the air washing, immersion rolling, drying, baking and cooling operations three times in sequence to obtain a fabric with temperature regulation function. The operating speed of the open-width airflow softening machine is 15m / min, the air washing temperature is 120-130℃, the drying temperature is 80℃, the drying time is 3min, the baking temperature is 150℃, and the baking time is 2min.

[0032] Example 2

[0033] A fabric with a temperature regulating function, comprising a fabric base layer, a temperature regulating layer is arranged on the surface and inside of the fabric base layer, the fabric base layer is woven by warp and weft of a blended fiber consisting of kapok fiber and bamboo charcoal fiber, the temperature regulating layer is formed by impregnating the fabric base layer with a temperature regulating finishing agent, wherein the weight ratio of kapok fiber to bamboo charcoal fiber is 3:1;

[0034] The temperature regulating finishing agent includes the following raw materials in parts by mass: 20 parts of modified phase change microcapsules, 12 parts of waterborne polyurethane and 120 parts of ionized water;

[0035] The steps for making fabrics with temperature regulation function are as follows:

[0036] Step S1: adding hollow silica microspheres to an active agent solution for surface activation treatment, using a hydrothermal method to deposit graphene and magnesium oxide on the surface of the activated hollow silica microspheres to obtain pretreated hollow silica microspheres, adding the pretreated hollow silica microspheres to n-nonadecane, vacuum filtering, stirring, obtaining a modified phase change core, and preparing a modified phase change microcapsule with the modified phase change core as a core material and polystyrene as a wall material by nanotechnology, wherein the weight ratio of the modified phase change core to polystyrene in the modified phase change microcapsule is 1:1, and the weight ratio of the hollow silica microspheres to n-nonadecane is 1:1;

[0037] Step S2: placing modified phase change microcapsules, waterborne polyurethane and ionized water in a mixer for mixing and stirring to prepare a temperature regulating finishing agent, wherein the modified phase change microcapsules are prepared by selecting n-nonadecane and polystyrene in a weight ratio of 1:1 as raw materials and using nanotechnology;

[0038] Step S3: weaving the blended fibers into a fabric substrate layer through warp and weft, and performing a light alkali pretreatment on the fabric substrate layer, wherein the alkali solution used for the light alkali pretreatment is a sodium hydroxide aqueous solution with a concentration of 4 g / L;

[0039] Step S4: sending the fabric substrate layer after the light alkali pretreatment into the open-width airflow softening machine for air washing, and placing the air-washed fabric substrate layer in the temperature regulating finishing agent for immersion rolling, drying, baking and cooling after immersion rolling, and repeating the air washing, immersion rolling, drying, baking and cooling operations three times in sequence to obtain a fabric with temperature regulation function. The operating speed of the open-width airflow softening machine is 15m / min, the air washing temperature is 120-130℃, the drying temperature is 80℃, the drying time is 3min, the baking temperature is 150℃, and the baking time is 2min.

[0040] Example 3

[0041] A fabric with a temperature regulating function, comprising a fabric base layer, a temperature regulating layer is arranged on the surface and inside of the fabric base layer, the fabric base layer is woven by warp and weft of a blended fiber consisting of kapok fiber and bamboo charcoal fiber, the temperature regulating layer is formed by impregnating the fabric base layer with a temperature regulating finishing agent, wherein the weight ratio of kapok fiber to bamboo charcoal fiber is 3:1;

[0042] The temperature regulating finishing agent includes the following raw materials in parts by mass: 15 parts of modified phase change microcapsules, 10 parts of waterborne polyurethane and 100 parts of ionized water;

[0043] The steps for making fabrics with temperature regulation function are as follows:

[0044] Step S1: adding hollow silica microspheres to an active agent solution for surface activation treatment, using a hydrothermal method to deposit graphene and magnesium oxide on the surface of the activated hollow silica microspheres to obtain pretreated hollow silica microspheres, adding the pretreated hollow silica microspheres to n-nonadecane, vacuum filtering, stirring, obtaining a modified phase change core, and preparing a modified phase change microcapsule with the modified phase change core as a core material and polystyrene as a wall material by nanotechnology, wherein the weight ratio of the modified phase change core to polystyrene in the modified phase change microcapsule is 1:1, and the weight ratio of the hollow silica microspheres to n-nonadecane is 1:1;

[0045] Step S2: placing modified phase change microcapsules, waterborne polyurethane and ionized water in a mixer for mixing and stirring to prepare a temperature regulating finishing agent, wherein the modified phase change microcapsules are prepared by selecting n-nonadecane and polystyrene in a weight ratio of 1:1 as raw materials and using nanotechnology;

[0046] Step S3: weaving the blended fibers into a fabric substrate layer through warp and weft, and performing a light alkali pretreatment on the fabric substrate layer, wherein the alkali solution used for the light alkali pretreatment is a sodium hydroxide aqueous solution with a concentration of 4 g / L;

[0047] Step S4: sending the fabric substrate layer after the light alkali pretreatment into the open-width airflow softening machine for air washing, and placing the air-washed fabric substrate layer in the temperature regulating finishing agent for immersion rolling, drying, baking and cooling after immersion rolling, and repeating the air washing, immersion rolling, drying, baking and cooling operations three times in sequence to obtain a fabric with temperature regulation function. The operating speed of the open-width airflow softening machine is 15m / min, the air washing temperature is 120-130℃, the drying temperature is 80℃, the drying time is 3min, the baking temperature is 150℃, and the baking time is 2min.

[0048] Example 4

[0049] A fabric with a temperature regulating function, comprising a fabric base layer, a temperature regulating layer is arranged on the surface and inside of the fabric base layer, the fabric base layer is woven by warp and weft of a blended fiber consisting of kapok fiber and bamboo charcoal fiber, the temperature regulating layer is formed by impregnating the fabric base layer with a temperature regulating finishing agent, wherein the weight ratio of kapok fiber to bamboo charcoal fiber is 3:1;

[0050] The temperature regulating finishing agent includes the following raw materials in parts by mass: 15 parts of modified phase change microcapsules, 10 parts of waterborne polyurethane and 100 parts of ionized water;

[0051] The steps for making fabrics with temperature regulation function are as follows:

[0052] Step S1: adding hollow silica microspheres to an active agent solution for surface activation treatment, using a hydrothermal method to deposit graphene and magnesium oxide on the surface of the activated hollow silica microspheres to obtain pretreated hollow silica microspheres, adding the pretreated hollow silica microspheres to n-nonadecane, vacuum filtering, stirring, obtaining a modified phase change core, and preparing a modified phase change microcapsule with the modified phase change core as a core material and polystyrene as a wall material by nanotechnology, wherein the weight ratio of the modified phase change core to polystyrene in the modified phase change microcapsule is 1:1, and the weight ratio of the hollow silica microspheres to n-nonadecane is 1:3;

[0053] Step S2: placing modified phase change microcapsules, waterborne polyurethane and ionized water in a mixer for mixing and stirring to prepare a temperature regulating finishing agent, wherein the modified phase change microcapsules are prepared by selecting n-nonadecane and polystyrene in a weight ratio of 1:1 as raw materials and using nanotechnology;

[0054] Step S3: weaving the blended fibers into a fabric substrate layer through warp and weft, and performing a light alkali pretreatment on the fabric substrate layer, wherein the alkali solution used for the light alkali pretreatment is a sodium hydroxide aqueous solution with a concentration of 4 g / L;

[0055] Step S4: sending the fabric substrate layer after the light alkali pretreatment into the open-width airflow softening machine for air washing, and placing the air-washed fabric substrate layer in the temperature regulating finishing agent for immersion rolling, drying, baking and cooling after immersion rolling, and repeating the air washing, immersion rolling, drying, baking and cooling operations three times in sequence to obtain a fabric with temperature regulation function. The operating speed of the open-width airflow softening machine is 15m / min, the air washing temperature is 120-130℃, the drying temperature is 80℃, the drying time is 3min, the baking temperature is 150℃, and the baking time is 2min.

[0056] Example 5

[0057] A fabric with a temperature regulating function, comprising a fabric base layer, a temperature regulating layer is arranged on the surface and inside of the fabric base layer, the fabric base layer is woven by warp and weft of a blended fiber consisting of kapok fiber and bamboo charcoal fiber, the temperature regulating layer is formed by impregnating the fabric base layer with a temperature regulating finishing agent, wherein the weight ratio of kapok fiber to bamboo charcoal fiber is 3:1;

[0058] The temperature regulating finishing agent includes the following raw materials in parts by mass: 15 parts of modified phase change microcapsules, 10 parts of waterborne polyurethane and 100 parts of ionized water;

[0059] The steps for making fabrics with temperature regulation function are as follows:

[0060] Step S1: adding hollow silica microspheres to an active agent solution for surface activation treatment, using a hydrothermal method to deposit graphene and magnesium oxide on the surface of the activated hollow silica microspheres to obtain pretreated hollow silica microspheres, adding the pretreated hollow silica microspheres to n-nonadecane, vacuum filtering, stirring, obtaining a modified phase change core, and preparing a modified phase change microcapsule with the modified phase change core as a core material and polystyrene as a wall material by nanotechnology, wherein the weight ratio of the modified phase change core to polystyrene in the modified phase change microcapsule is 2:1, and the weight ratio of the hollow silica microspheres to n-nonadecane is 1:2;

[0061] Step S2: placing modified phase change microcapsules, waterborne polyurethane and ionized water in a mixer for mixing and stirring to prepare a temperature regulating finishing agent, wherein the modified phase change microcapsules are prepared by selecting n-nonadecane and polystyrene in a weight ratio of 1:1 as raw materials and using nanotechnology;

[0062] Step S3: weaving the blended fibers into a fabric substrate layer through warp and weft, and performing a light alkali pretreatment on the fabric substrate layer, wherein the alkali solution used for the light alkali pretreatment is a sodium hydroxide aqueous solution with a concentration of 4 g / L;

[0063] Step S4: sending the fabric substrate layer after the light alkali pretreatment into the open-width airflow softening machine for air washing, and placing the air-washed fabric substrate layer in the temperature regulating finishing agent for immersion rolling, drying, baking and cooling after immersion rolling, and repeating the air washing, immersion rolling, drying, baking and cooling operations three times in sequence to obtain a fabric with temperature regulation function. The operating speed of the open-width airflow softening machine is 15m / min, the air washing temperature is 120-130℃, the drying temperature is 80℃, the drying time is 3min, the baking temperature is 150℃, and the baking time is 2min.

[0064] Comparative Example 1

[0065] A fabric with a temperature regulating function, comprising a fabric base layer, a temperature regulating layer is arranged on the surface and inside of the fabric base layer, the fabric base layer is woven by warp and weft of a blended fiber consisting of kapok fiber and bamboo charcoal fiber, the temperature regulating layer is formed by impregnating the fabric base layer with a temperature regulating finishing agent, wherein the weight ratio of kapok fiber to bamboo charcoal fiber is 3:1;

[0066] The temperature regulating finishing agent includes the following raw materials in parts by mass: 15 parts of modified phase change microcapsules, 10 parts of waterborne polyurethane and 100 parts of ionized water;

[0067] The steps for making fabrics with temperature regulation function are as follows:

[0068] Step S1: adding hollow silica microspheres to an active agent solution for surface activation treatment to obtain preactivated hollow silica microspheres, adding the preactivated hollow silica microspheres to n-nonadecane, vacuum filtering, stirring, obtaining a modified phase change core, and preparing a modified phase change microcapsule with the modified phase change core as a core material and polystyrene as a wall material by nanotechnology, wherein the weight ratio of the modified phase change core to polystyrene in the modified phase change microcapsule is 2:1, and the weight ratio of the hollow silica microspheres to n-nonadecane is 1:2;

[0069] Step S2: placing modified phase change microcapsules, waterborne polyurethane and ionized water in a mixer for mixing and stirring to prepare a temperature regulating finishing agent, wherein the modified phase change microcapsules are prepared by selecting n-nonadecane and polystyrene in a weight ratio of 1:1 as raw materials and using nanotechnology;

[0070] Step S3: weaving the blended fibers into a fabric substrate layer through warp and weft, and performing a light alkali pretreatment on the fabric substrate layer, wherein the alkali solution used for the light alkali pretreatment is a sodium hydroxide aqueous solution with a concentration of 4 g / L;

[0071] Step S4: sending the fabric substrate layer after the light alkali pretreatment into the open-width airflow softening machine for air washing, and placing the air-washed fabric substrate layer in the temperature regulating finishing agent for immersion rolling, drying, baking and cooling after immersion rolling, and repeating the air washing, immersion rolling, drying, baking and cooling operations three times in sequence to obtain a fabric with temperature regulation function. The operating speed of the open-width airflow softening machine is 15m / min, the air washing temperature is 120-130℃, the drying temperature is 80℃, the drying time is 3min, the baking temperature is 150℃, and the baking time is 2min.

[0072] Comparative Example 2

[0073] A fabric with a temperature regulating function, comprising a fabric base layer, a temperature regulating layer is arranged on the surface and inside of the fabric base layer, the fabric base layer is woven by warp and weft of a blended fiber consisting of kapok fiber and bamboo charcoal fiber, the temperature regulating layer is formed by impregnating the fabric base layer with a temperature regulating finishing agent, wherein the weight ratio of kapok fiber to bamboo charcoal fiber is 3:1;

[0074] The temperature regulating finishing agent includes the following raw materials in parts by mass: 15 parts of modified phase change microcapsules, 10 parts of waterborne polyurethane and 100 parts of ionized water;

[0075] The steps for making fabrics with temperature regulation function are as follows:

[0076] Step S1: preparing modified phase change microcapsules with n-nonadecane as core material and polystyrene as wall material by nanotechnology, wherein the weight ratio of n-nonadecane to polystyrene is 2:1;

[0077] Step S2: placing modified phase change microcapsules, waterborne polyurethane and ionized water in a mixer for mixing and stirring to prepare a temperature regulating finishing agent, wherein the modified phase change microcapsules are prepared by selecting n-nonadecane and polystyrene in a weight ratio of 1:1 as raw materials and using nanotechnology;

[0078] Step S3: weaving the blended fibers into a fabric substrate layer through warp and weft, and performing a light alkali pretreatment on the fabric substrate layer, wherein the alkali solution used for the light alkali pretreatment is a sodium hydroxide aqueous solution with a concentration of 4 g / L;

[0079] Step S4: sending the fabric substrate layer after the light alkali pretreatment into the open-width airflow softening machine for air washing, and placing the air-washed fabric substrate layer in the temperature regulating finishing agent for immersion rolling, drying, baking and cooling after immersion rolling, and repeating the air washing, immersion rolling, drying, baking and cooling operations three times in sequence to obtain a fabric with temperature regulation function. The operating speed of the open-width airflow softening machine is 15m / min, the air washing temperature is 120-130℃, the drying temperature is 80℃, the drying time is 3min, the baking temperature is 150℃, and the baking time is 2min.

[0080] The fabrics with temperature regulating function prepared in the above-mentioned embodiments 1-5 and comparative examples 1-2 were used as samples, and the seven groups of samples were respectively tested for fabric temperature regulating, softness and anti-pilling performance, including: (1) the seven groups of samples were washed 30 times, and the fabric temperature regulating performance of each group of fabrics before and after washing was tested. The temperature regulating performance testing method is: each group of fabrics is wrapped in a glass cup with a lid, and the glass cup is filled with the same volume of warm water at 37°C, and the temperature is 15°C, the humidity is 20%RH and the temperature is 45°C, the humidity is 20%RH. The fabrics were placed in a standing environment for 1 hour, the temperature of the warm water was recorded and the test results were analyzed; (2) the fabrics were tested for bulkiness, and the 5-person rating method was used to rate the fabrics for subjective touch bulkiness. The lower the bulkiness level, the worse the fabric bulkiness, and the higher the bulkiness level, the better the fabric bulkiness; (3) the fabrics were tested for yellowing resistance, and the 5-person rating method was used to rate the fabrics for subjective touch yellowing resistance. The lower the yellowing resistance level, the worse the yellowing resistance effect of the fabric, and the higher the yellowing resistance level, the better the yellowing resistance effect of the fabric. The test results are as follows:

[0081]

[0082] Based on the above experimental data, the following conclusions are drawn:

[0083] It can be seen from the data of Examples 1-5 that the temperature difference of the fabrics of Examples 1-5 before washing is within 3°C in an environment of temperature 15°C and humidity 20% RH, while the temperature difference value in Example 5 is the smallest, and there is no obvious change in the temperature difference value of the fabric before and after washing. From the comparison of Example 5 with Comparative Example 1, it can be seen that by depositing graphene and magnesium oxide on the surface of the activated hollow silica microspheres in the temperature regulating finishing agent, the temperature regulating performance of the fabric can be greatly enhanced, and the yellowing resistance of the fabric can be improved; it can be seen from Example 5 and Comparative Example 2 that the core material prepared by compounding n-nonadecane and the hollow silica microspheres with activated deposition treatment on the surface can improve the temperature regulating performance and water washing durability of the fabric, and has a certain effect on improving the fluffiness of the fabric.

[0084] When the fabric is impregnated with a temperature regulating finishing agent, the fabric base material layer is air-washed in advance, and the air washing, impregnation, drying, baking and cooling operations are repeated three times in sequence. This can not only enhance the water washing durability of the fabric's temperature regulating performance, but also ensure the fabric's yellowing resistance, thus avoiding the yellowing phenomenon of the fabric during subsequent use.

[0085] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A fabric with temperature regulation function, comprising a fabric base material layer, characterized in that: The surface and the interior of the fabric substrate are provided with a temperature regulating layer, the fabric substrate layer is woven by warp and weft of a blended fiber consisting of kapok fiber and bamboo charcoal fiber, and the temperature regulating layer is formed by impregnating the fabric substrate with a temperature regulating finishing agent; The temperature regulating finishing agent comprises the following raw materials in parts by mass: 10-20 parts of modified phase change microcapsules, 8-12 parts of waterborne polyurethane and 90-120 parts of ionized water; The steps of manufacturing the fabric with temperature regulating function are as follows: Step S1: adding hollow silica microspheres to an active agent solution for surface activation treatment, using a hydrothermal method to deposit graphene and magnesium oxide on the surface of the activated hollow silica microspheres to obtain pretreated hollow silica microspheres, adding the pretreated hollow silica microspheres to n-nonadecane, vacuum filtering, stirring, obtaining a modified phase change core, and preparing a modified phase change microcapsule with the modified phase change core as a core material and polystyrene as a wall material by nanotechnology; Step S2: placing the modified phase change microcapsules, waterborne polyurethane and ionized water in a mixer and mixing them to prepare a temperature regulating finishing agent; Step S3: weaving the blended fibers into a fabric base material layer by warp and weft, and performing a light alkali pretreatment on the fabric base material layer; Step S4: sending the fabric substrate layer after the light alkali pretreatment into an open-width airflow softener for air washing, and placing the air-washed fabric substrate layer in a temperature regulating finishing agent for immersion and rolling, drying, baking and cooling after immersion and rolling, and repeating the air washing, immersion and rolling, drying, baking and cooling operations three times in sequence to obtain a fabric with temperature regulation function.

2. The fabric with temperature regulating function according to claim 1, characterized in that: The weight ratio of the kapok fiber to the bamboo charcoal fiber is 3:

1.

3. The fabric with temperature regulating function according to claim 1, characterized in that: In the step 1, the weight ratio of the modified phase change core to polystyrene in the modified phase change microcapsules is (1-2):1, and the weight ratio of the hollow silica microspheres to n-nonadecane is 1:(1-3).

4. The fabric with temperature regulating function according to claim 1, characterized in that: The surface activation treatment in step 1 is to place the hollow silica microspheres in water, wash them with water and then vacuum filter them, place the cleaned hollow silica microspheres in an acid solution with a mass percentage concentration of 4-5% and magnetically stir them to roughen the surface, wash them with water and then vacuum filter them to dry them to obtain surface roughened glass microspheres.

5. The fabric with temperature regulating function according to claim 4, characterized in that: The acid solution is one or a combination of two or more of a hydrofluoric acid solution, an acetic acid solution, a hydrochloric acid solution, a sulfuric acid solution and a nitric acid solution.

6. The fabric with temperature regulating function according to claim 1, characterized in that: The alkali solution used for the weak alkali pretreatment in step S3 is a sodium hydroxide aqueous solution with a concentration of 4 g / L.

7. The fabric with temperature regulating function according to claim 1, characterized in that: In step S4, the running speed of the open width airflow softening machine is 12-20 m / min, and the air washing temperature is 120-130°C.

8. The fabric with temperature regulating function according to claim 1, characterized in that: In step S4, the drying temperature is 80° C., the drying time is 3 min, the baking temperature is 150° C., and the baking time is 2 min.

9. Application of the fabric with temperature regulating function according to any one of claims 1 to 8 in down jackets, characterized in that: The fabric with temperature regulating function is used as down jacket fabric.

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