Warm-suitable artificial leather and preparation method thereof, automotive trim, automotive component and automobile

Abstract

The invention provides warm-fit artificial leather which sequentially comprises a bottom blank and a surface treatment layer from bottom to top, and the surface treatment layer is arranged on the bottom blank in a coating mode; the component of the surface treatment layer comprises graphene. The preparation method comprises the following steps: (1) preparing a bottom blank; (2) mixing water, graphene, polyurethane resin, a dispersing agent and a defoaming agent in parts by weight to obtain a surface treatment solution; and (3) coating the dense layer in the obtained bottom blank with the obtained surface treatment liquid, and then baking to form a surface treatment layer on the dense layer. The invention further provides an automobile interior made of the warm-fit artificial leather, an automobile component with the automobile interior and an automobile with any one or more of the warm-fit artificial leather, the automobile interior and the automobile component. According to the warm-fit artificial leather and the automotive trim, self heating can be achieved without arranging a heating pad on the back face, and the heating speed is high. The preparation method is simple. The automobile component is free of surface quality problems such as wrinkles, good in attractiveness and high in heating speed. And the automobile driving experience is good.

Description

Technical Field

[0001] The invention belongs to the field of automobiles, and in particular relates to warm-comfortable artificial leather and a preparation method thereof, automobile interior decoration, automobile components and automobiles. Background Art

[0002] At present, the heated parts of the car interior (such as steering wheels and seats) are basically heated by placing heating pads on the back of the surface leather. However, the arrangement of the heating pads makes it easy for the surface leather to have wrinkles and unevenness when covering the car components, affecting the appearance; at the same time, because the heating pads are arranged inside the leather, the heating efficiency is low and the heating speed is slow, affecting the driving experience.

[0003] If a leather that can be heated without a heating pad can be provided, it will be helpful to solve the above technical problems. However, there is no relevant report in the prior art on how to provide a leather that can be heated without a heating pad. Summary of the invention

[0004] The first object of the present invention is to provide a thermo-friendly artificial leather which can heat itself without arranging a heating pad on the back, thereby avoiding the surface quality problems and aesthetics caused by arranging a heating pad, and has a fast heating rate.

[0005] The second object of the present invention is to provide a method for preparing the aforementioned warm-adaptive artificial leather.

[0006] The third object of the present invention is to provide an automobile interior made of the aforementioned temperature-adaptive artificial leather, which is beautiful, has a fast heating rate, and provides a good driving experience.

[0007] A fourth object of the present invention is to provide an automobile component having the above-mentioned automobile interior.

[0008] A fifth object of the present invention is to provide a vehicle having the aforementioned vehicle interior and / or the aforementioned vehicle component.

[0009] To achieve the first object of the present invention, the following technical solutions are adopted:

[0010] A warm and comfortable artificial leather comprises, from bottom to top, a base and a surface treatment layer, wherein the surface treatment layer is coated on the base;

[0011] The component of the surface treatment layer includes graphene.

[0012] In the present invention, the surface treatment layer as the outermost layer of the warm and comfortable artificial leather includes graphene as a component, so that in addition to providing the leather surface with tactile properties such as wear resistance, it also plays a role of conductive heating, so that the warm and comfortable artificial leather itself can be heated without arranging a heating pad on the back thereof, and the surface treatment layer of the outermost layer of the warm and comfortable artificial leather is directly heated, avoiding the surface quality problems and aesthetics caused by arranging a heating pad, and improving the heating rate. In addition, the conductive heating effect of graphene is to conduct heat through thermal infrared rays, and after being powered on, it can emit far-infrared waves with a wavelength of 6-15 μm, which has multiple health care and therapeutic effects on the human body.

[0013] In the warm-comfortable artificial leather of the present invention, preferably, the content of graphene in the surface-treated layer is 6-10wt%.

[0014] The warm-comfortable artificial leather of the present invention, preferably, the formula of the surface treatment layer comprises the following components in parts by weight:

[0015]

[0016]

[0017] In the warm-comfortable artificial leather of the present invention, preferably, the polyurethane resin comprises any one or more of DT 1308, PR 1617 and MT 1618.

[0018] In the warm-friendly artificial leather of the present invention, preferably, the dispersant comprises ACUSOL 820 and / or ACUSOL 810.

[0019] In the warm-friendly artificial leather of the present invention, preferably, the defoaming agent comprises BYK 066 and / or BYK 035.

[0020] In the warm-comfortable artificial leather of the present invention, preferably, the base embryo comprises a dense layer, a foaming layer and a base fabric in order from top to bottom; and the surface treatment layer is coated on the dense layer.

[0021] To achieve the second object of the present invention, a method for preparing the above-mentioned warm-adaptive artificial leather is provided, comprising the following steps:

[0022] (1) Preparation of base embryo

[0023] Applying a dense layer coating on the release paper, and then baking to form the dense layer;

[0024] Applying a foaming layer coating on the dense layer, and then baking to form the foaming layer;

[0025] Laminating the base fabric onto the foaming layer;

[0026] Remove the release paper to obtain the base blank;

[0027] (2) Preparation of surface treatment solution

[0028] Mixing water, graphene, polyurethane resin, dispersant and defoamer according to weight proportions to obtain a surface treatment liquid;

[0029] (3) coating the surface treatment liquid obtained in step (2) on the dense layer in the base obtained in step (1), and then baking to form the surface treatment layer on the dense layer to obtain the warm-adaptive artificial leather.

[0030] In the method for preparing the warm-smooth artificial leather of the present invention, preferably, in step (3), the coating of the surface treatment liquid on the dense layer is carried out by a round roll coater equipped with a silk mesh roll.

[0031] To achieve the third object of the present invention, there is provided an automobile interior made of the above-mentioned temperature-adaptive artificial leather, wherein the automobile interior is electrically connected to a conductive temperature control device.

[0032] In the automobile interior of the present invention, preferably, the electrical connection is made through a conductive wire harness.

[0033] The automobile interior of the present invention preferably comprises any one or more of a steering wheel cover, a seat cover, a secondary instrument panel armrest cover, a door trim cover and a door armrest cover.

[0034] To achieve the fourth object of the present invention, an automobile component having the above-mentioned automobile interior is provided, wherein the automobile component comprises the automobile interior and an automobile component structure, and the automobile interior is at least partially covered on the automobile component structure.

[0035] The automobile interior of the present invention, preferably, the automobile component structure includes any one or more of a steering wheel, a seat, a secondary instrument panel armrest, a door trim and a door armrest.

[0036] To achieve the fifth object of the present invention, a car having any one or more of the above-mentioned warm-comfortable artificial leather, the above-mentioned automobile interior and the above-mentioned automobile component is provided.

[0037] The beneficial effects of the present invention are:

[0038] The warm-comfortable artificial leather of the present invention has a component of the outermost surface treatment layer including graphene, so that in addition to providing the leather surface with properties such as touch and wear resistance, it also plays a role of conductive heating, so that the warm-comfortable artificial leather itself can be heated without arranging a heating pad on the back thereof, and the outermost surface treatment layer is directly heated, thereby avoiding the surface quality problems and aesthetics caused by arranging a heating pad, and improving the heating rate; in addition, the conductive heating effect of graphene is to conduct heat through thermal infrared rays, and after being powered on, it can emit far-infrared waves with a wavelength of 6-15 μm, which has multiple health care and therapeutic effects on the human body;

[0039] The method for preparing the warm-adaptive artificial leather of the present invention is simple and easy to operate, and can obtain the warm-adaptive artificial leather whose surface layer can be directly heated by conduction;

[0040] The automotive interior made of the temperature-adaptable artificial leather of the present invention can directly conduct conductive heating and temperature raising of the surface treatment layer through a conductive temperature control device, thereby achieving temperature control of the conductive heating thereof and improving the heating rate and heating effect;

[0041] The automobile component of the present invention, due to having the automobile interior, not only has no surface quality problems such as wrinkles and good aesthetics, but also has improved heating rate and heating effect, thereby enhancing driving experience.

[0042] The automobile of the present invention has good aesthetics, high comfort and good driving experience due to the automobile component. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 is a schematic structural diagram of the warm-comfortable artificial leather of the present invention in one embodiment;

[0044] Figure 2 It is a schematic structural diagram of a steering wheel, an automobile component of the present invention, in one embodiment. DETAILED DESCRIPTION

[0045] The technical scheme and its effects of the present invention are further described below in conjunction with specific implementations. The following implementations are only used to illustrate the content of the present invention, and the invention is not limited to the following implementations or examples. Simple changes made to the present invention using the concept of the present invention are all within the scope of protection claimed by the present invention.

[0046] The endpoints and any values ​​of the ranges disclosed in this article are not limited to the precise ranges or values, and these ranges or values ​​should be understood to include values ​​close to these ranges or values. For numerical ranges, the endpoint values ​​of each range, the endpoint values ​​of each range and the individual point values, and the individual point values ​​can be combined with each other to obtain one or more new numerical ranges, which should be considered as specifically disclosed in this article.

[0047] The present invention provides a warm-comfortable artificial leather, which comprises a base 5 and a surface treatment layer 1 from bottom to top, wherein the surface treatment layer 1 is coated on the base 5;

[0048] The component of the surface treatment layer 1 includes graphene.

[0049] In the present invention, the surface treatment layer as the outermost layer of the warm and comfortable artificial leather includes graphene as a component, so that in addition to providing the leather surface with tactile properties such as wear resistance, it also plays a role of conductive heating, so that the warm and comfortable artificial leather itself can be heated without arranging a heating pad on the back thereof, and the surface treatment layer of the outermost layer of the warm and comfortable artificial leather is directly heated, avoiding the surface quality problems and aesthetics caused by arranging a heating pad, and improving the heating rate. In addition, the conductive heating effect of graphene is to conduct heat through thermal infrared rays, and after being powered on, it can emit far-infrared waves with a wavelength of 6-15 μm, which has multiple health care and therapeutic effects on the human body.

[0050] In order to improve the heating rate and heating effect of the warm-adaptive artificial leather and improve the touch, wear resistance and other properties of the surface of the warm-adaptive artificial leather, in one embodiment, the content of graphene in the surface treatment layer 1 is 6-10wt%, such as 6.5wt%, 7wt%, 8.5wt%, 8wt%, 8.5wt%, 9wt% and 9.5wt%, so that it can reach a stable temperature within 1 minute and has a fast heating rate.

[0051] In order to further improve the heating rate and heating effect of the warm-friendly artificial leather, and improve the touch, wear resistance and other properties of the surface of the warm-friendly artificial leather, in one embodiment, the formula of the surface treatment layer 1 includes the following components in parts by weight:

[0052] Water 34-42, such as 35, 36, 37, 38, 39, 40 and 41;

[0053] Graphene 6-10, such as 6.5, 7, 7.5, 8, 8.5, 9 and 9.5;

[0054] Polyurethane resins 42-58, such as 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56 and 57;

[0055] Dispersant 5.5-9.5, such as 6, 6.5, 7, 7.5, 8, 8.5 and 9;

[0056] Defoamer 0.1-0.6, such as 0.2, 0.3, 0.4 and 0.5.

[0057] In one embodiment, the polyurethane resin includes any one or more of DT1308, PR1617 and MT1618.

[0058] In one embodiment, the dispersant includes ACUSOL 820 and / or ACUSOL 810.

[0059] In one embodiment, the defoaming agent includes BYK-066 and / or BYk-035.

[0060] In one embodiment, the base embryo 5 includes a dense layer 2 , a foaming layer 3 and a base fabric 4 from top to bottom; and the surface treatment layer 1 is coated on the dense layer 2 .

[0061] Those skilled in the art will understand that the compact layer 2 is a polyurethane compacted layer, and the foamed layer 3 is a polyurethane foamed layer.

[0062] The present invention also provides a method for preparing the above-mentioned warm-adaptive artificial leather, comprising the following steps:

[0063] (1) Preparation of base embryo 5

[0064] Applying a dense layer coating on the release paper, and then baking to form the dense layer 2;

[0065] Applying a foaming layer coating on the dense layer 2, and then baking to form the foaming layer 3;

[0066] Laminating the base fabric 4 onto the foaming layer 3;

[0067] Remove the release paper to obtain the base blank 5;

[0068] (2) Preparation of surface treatment solution

[0069] Mixing water, graphene, polyurethane resin, dispersant and defoamer according to weight proportions to obtain a surface treatment liquid;

[0070] (3) The surface treatment liquid obtained in step (2) is applied to the dense layer 2 in the base 5 obtained in step (1), and then the surface treatment layer 1 is formed on the dense layer 2 by baking to obtain the warm-comfortable artificial leather.

[0071] Those skilled in the art will appreciate that the dense layer coating is an unfoamed polyurethane coating. In one embodiment, the formula of the dense layer coating comprises aliphatic polyurethane, matting resin and crosslinking agent; preferably, the mass ratio of aliphatic polyurethane, matting resin and crosslinking agent is (5-7):(2-4):1, such as (5.5, 6 or 6.5):(2.5, 3 or 3.5):1, such as 6:3:1.

[0072] In one embodiment, the aliphatic polyurethane comprises DESMODUR DLU and / or DESMODUR DL1343, such as DESMODUR DLU.

[0073] In one embodiment, the matte resin includes MT 9066 and / or MT1618, such as MT 9066.

[0074] In one embodiment, the cross-linking agent comprises AM1506 and / or XL80, such as AM1506.

[0075] Those skilled in the art will appreciate that the foaming layer coating is a foamed polyurethane coating. In one embodiment, the foaming layer coating has a formula comprising aliphatic polyurethane, a foaming agent and a crosslinking agent; preferably, the mass ratio of aliphatic polyurethane, foaming agent and crosslinking agent is (7.8-8.2):(1-1.4):1, such as (7.9, 8 or 8.1):(1.1, 1.2 or 1.3):1, such as 8:1.2:1.

[0076] In one embodiment, the aliphatic polyurethane comprises Impranil DLS and / or Impranil DLC, such as Impranil DLS.

[0077] In one embodiment, the foaming agent includes Foam FG and / or Foam SLG, such as Foam FG.

[0078] In one embodiment, the crosslinking agent comprises AM 1506 and / or XL80, such as AM 1506.

[0079] The method for preparing the warm-adaptive artificial leather of the present invention is simple and easy to operate, and can obtain the warm-adaptive artificial leather which can be directly heated by conducting electricity on its surface.

[0080] In one embodiment, in steps (1) and (3), the baking temperature is 120-140°C, such as 125°C, 130°C and 135°C; the baking time is 90-180s, such as 100s, 110s, 120s, 130s, 140s, 150s, 160s and 170s.

[0081] In one embodiment, in step (3), the coating of the surface treatment liquid on the dense layer 2 is carried out using a round roll coater equipped with a silk mesh roll.

[0082] The present invention also provides an automobile interior made of the above-mentioned temperature-adaptable artificial leather, wherein the automobile interior is electrically connected to a conductive temperature control device 10 .

[0083] In the present invention, the automobile interior is heated by conductive heating of the surface treatment layer 1 through the conductive temperature control device 10, thereby achieving temperature control of the conductive heating thereof.

[0084] In one embodiment, the electrical connection is made via a conductive wire bundle 9 .

[0085] Those skilled in the art understand that during the preparation process of the automobile interior, the temperature-adaptable artificial leather needs to be cut into a shape suitable for the corresponding automobile component structure, and further processed into a jacket structure that matches the corresponding automobile component structure.

[0086] In one embodiment, the conductive temperature control device 10 is disposed on the outer surface of the automobile interior to control the conductive heating of the automobile interior.

[0087] Those skilled in the art will appreciate that the conductive temperature control device 10 may be a temperature control device commonly used in the art.

[0088] Those skilled in the art understand that the conductive wire bundle 9 can be arranged on the outer surface of the automobile interior, or can be hidden on the back of the automobile interior. In order to improve the aesthetics of the automobile interior, in one embodiment, the conductive wire bundle 9 is hidden on the back of the automobile interior.

[0089] In one embodiment, the automobile interior comprises any one or more of a steering wheel cover, a seat cover, a secondary instrument panel armrest cover, a door trim cover and a door armrest cover. It may also be an interior of other automobile component structures not mentioned.

[0090] The automobile interior made of the temperature-adaptable artificial leather of the present invention can directly conduct conductive heating to the surface treatment layer 1 through the conductive temperature control device 10 to increase the temperature, thereby achieving temperature control of the conductive heating thereof and improving the heating rate and heating effect.

[0091] The present invention also provides an automobile component having the above automobile interior, wherein the automobile component comprises the automobile interior and an automobile component structure, wherein the automobile interior is at least partially covered on the automobile component structure.

[0092] Those skilled in the art understand that the automobile interior can be partially covered on the automobile component structure, so that only some positions on the automobile component structure are covered with the automobile interior and other positions are not covered; or it can be fully covered, so that all positions on the automobile component structure are covered with the automobile interior.

[0093] Those skilled in the art understand that the automobile component structure refers to the original automobile component structure on the automobile, which is not covered with leather. In one embodiment, the automobile component structure includes any one or more of a steering wheel, a seat, a secondary instrument panel armrest, a door trim, and a door armrest.

[0094] The automobile interior of the present invention, due to the automobile interior, can perform conductive heating and temperature raising on the surface through the conductive temperature control device 10, thereby improving the driving experience.

[0095] The present invention also provides a car having any one or more of the above-mentioned warm-comfortable artificial leather, the above-mentioned car interior decoration and the above-mentioned car component.

[0096] The automobile of the present invention has good aesthetics, high comfort and good driving experience due to the automobile component.

[0097] The present invention is further described below by means of specific examples.

[0098] The sources of the raw materials used in the following examples of the present invention are as follows:

[0099] Graphene, HSGF-01, Huashi Co., Ltd.;

[0100] Polyurethane resin, DT 1308, PR 1617, MT 1618, Quaker Color Company;

[0101] Dispersants, ACUSOL 820, ACUSOL 810, Dow Chemical;

[0102] Defoamer, BYK-066, BYK-035, BYK Chemical.

[0103] Base fabric: white weft knitted fabric, thickness 0.7±0.05mm, weight 220±10g / m 2 , Beltrame.

[0104] Unless otherwise specified, the raw materials involved in the examples of this application can be obtained from commercial channels.

[0105] The test method for heating speed is as follows:

[0106] Record the starting temperature, turn on the power and start timing. The temperature continues to rise until it stabilizes. Record the stable temperature and the time it takes to rise to the stable temperature.

[0107] The test method for heating efficiency is as follows:

[0108] The ratio of the temperature difference and the heating time obtained above.

[0109] Preparation method of warm-comfortable artificial leather A1-3 and obtained warm-comfortable artificial leather A1-3

[0110] Example 1 (S1)

[0111] The following steps are used to prepare the warm-comfortable artificial leather A1:

[0112] (1) Preparation of base embryo 5

[0113] Applying a dense layer coating on the release paper, and then baking to form the dense layer 2;

[0114] Applying a foaming layer coating on the dense layer 2, and then baking to form the foaming layer 3;

[0115] Laminating the base fabric 4 onto the foaming layer 3;

[0116] Remove the release paper to obtain the base blank 5; wherein,

[0117] The formula of the dense layer coating includes: DESMODUR DLU, MT 9066 and AM 1506 in a weight ratio of 6:3:1; the baking conditions are: temperature 125±5℃, time 170±10s;

[0118] The formula of the foaming layer coating includes: Impranil DLS, Foam FG and AM 1506 in a weight ratio of 8:1:1; the baking conditions are: temperature 135±5℃, time 120±10s;

[0119] (2) Preparation of surface treatment solution

[0120] Water, graphene, polyurethane resin, dispersant and defoamer are mixed according to weight proportions to obtain a surface treatment liquid; wherein the weight proportions of water, graphene, polyurethane resin, dispersant and defoamer are as follows:

[0121]

[0122] The polyurethane resin is a combination of DT 1308 and PR 1617, and the weight proportions of the two are 45 and 5 respectively;

[0123] The dispersant is ACUSOL 820;

[0124] The defoamer is BYK 066;

[0125] (3) The surface treatment liquid obtained in step (2) is applied to the dense layer 2 in the base 5 obtained in step (1), and then the surface treatment layer 1 is formed on the dense layer 2 by baking to obtain the warm-adaptive artificial leather A1; wherein the baking conditions are: temperature 125±5°C, time 100±10s.

[0126] like Figure 1As shown, the obtained warm-adaptive artificial leather A1 includes a base embryo 5 and a surface treatment layer 1 from bottom to top, and the base embryo 5 includes a dense layer 2, a foaming layer 3 and a base fabric 4 from top to bottom, and the surface treatment layer 1 is coated on the dense layer 2.

[0127] Embodiment 2 (S2)

[0128] According to the preparation method of Example 1, a warm and comfortable artificial leather A2 was prepared, wherein the preparation method of Example 1 has the following differences:

[0129] In step (2), in the formulation of the surface treatment solution, the weight proportions of water, graphene, polyurethane resin, dispersant and defoamer are as follows:

[0130]

[0131] The polyurethane resin is a combination of DT 1308 and PR 1617, and the weight proportions of the two are 38 and 4 respectively;

[0132] The dispersant is ACUSOL 820;

[0133] The defoamer is BYK 066.

[0134] Embodiment 3 (S3)

[0135] According to the preparation method of Example 1, a warm and comfortable artificial leather A3 was prepared, wherein the preparation method of Example 1 has the following differences:

[0136] In step (2), the weight proportions of water, graphene, polyurethane resin, dispersant and defoamer are as follows:

[0137]

[0138]

[0139] The polyurethane resin is a combination of DT 1308 and PR 1617, and the weight proportions of the two are 52 and 6 respectively;

[0140] The dispersant is ACUSOL 820;

[0141] The defoamer is BYK 066.

[0142] Embodiment 4 (S4)

[0143] According to the preparation method of Example 1, a warm and comfortable artificial leather A3 was prepared, wherein the preparation method of Example 1 has the following differences:

[0144] In step (2), the weight proportions of water, graphene, polyurethane resin, dispersant and defoamer are as follows:

[0145]

[0146] The polyurethane resin is a combination of DT 1308, MT 1618 and PR 1617, and the weight proportions of the three are 40, 5 and 5 respectively;

[0147] Dispersant: ACUSOL TM 810;

[0148] The defoamer is BYK 035.

[0149] Car interior B1-4 (steering wheel cover)

[0150] The obtained temperature-adaptive artificial leather A1-4 is cut into shapes suitable for the steering wheel structure B01, and further processed into a jacket structure matching the steering wheel structure B01, and electrically connected to the conductive temperature control device 10 through the conductive wire harness 9, so as to obtain the automobile interior B1-4 (steering wheel cover).

[0151] Car interior B5-8 (seat cover)

[0152] The obtained temperature-adaptive artificial leather A1-4 is cut into shapes suitable for the seat structure B02, and further processed into a jacket structure matching the seat structure B02, and electrically connected to the conductive temperature control device 10 through the conductive wire harness 9, so as to obtain the automobile interior B5-8 (seat cover).

[0153] Automobile component C1-4 (steering wheel)

[0154] The obtained automobile interior decoration B1-4 (steering wheel cover) is respectively coated and arranged on the steering wheel structure B01 to obtain the automobile component C1-4 (steering wheel). The structural schematic diagram of the automobile component C1-4 (steering wheel) is shown in FIG. Figure 2 shown.

[0155] Automobile components C5-8 (seats)

[0156] The obtained automobile interior decoration B5-8 (seat cover) is respectively covered and set on the seat structure B02 to obtain the automobile component C5-8 (seat).

[0157] Car D

[0158] Automobile D has any one of the obtained automobile components C1-4 (steering wheel) and / or any one of the obtained automobile components C5-8 (seat).

[0159] Performance Effects

[0160] After observation, the automobile interior B1-8 has a smooth and beautiful surface; the automobile component C1-8 has no surface quality problems and is beautiful;

[0161] A driving test was conducted on automobile D, and the heating rate, stable temperature and time to reach the stable temperature of the corresponding automobile interior B1-6 in automobile components C1-8 were tested respectively. The test results and driving experience are shown in Table 1.

[0162] Table 1 Test results of automotive interior B1-6

[0163]

[0164] According to the embodiments and Table 1, it can be seen that:

[0165] The heat-adaptive artificial leather of the present invention can heat itself without arranging a heating pad on the back thereof, and directly heats the surface treatment layer of the outermost layer, thereby avoiding the surface quality problems and aesthetics caused by arranging a heating pad and improving the heating rate; the automobile interior made of the heat-adaptive artificial leather of the present invention not only has no surface quality problems such as wrinkles and good aesthetics, but also has a fast heating speed, an adjustable stable temperature, and a short time to reach the stable temperature; and a good driving experience.

Claims

1. A warm and comfortable artificial leather, It is characterized in that The warm-comfortable artificial leather comprises, from bottom to top, a base substrate (5) and a surface treatment layer (1), wherein the surface treatment layer (1) is coated on the base substrate (5); The component of the surface treatment layer (1) includes graphene.

2. The warm-comfortable artificial leather according to claim 1, It is characterized in that In the surface treatment layer (1), the content of graphene is 6-10 wt%.

3. The warm-comfortable artificial leather according to claim 1 or 2, It is characterized in that The formulation of the surface treatment layer (1) comprises the following components in parts by weight:

4. The warm-comfortable artificial leather according to claim 3, It is characterized in that The polyurethane resin comprises any one or more of DT1308, PR 1617 and MT1618; and / or The dispersant includes ACUSOL TM 820 and / or ACUSOL TM 810; and / or The defoamer includes BYK 066 and / or BYK 035.

5. The warm-comfortable artificial leather according to any one of claims 1 to 4, It is characterized in that The base embryo (5) comprises, from top to bottom, a dense layer (2), a foaming layer (3) and a base fabric (4); The surface treatment layer (1) is coated on the dense layer (2).

6. A method for preparing the warm-friendly artificial leather as claimed in any one of claims 1 to 5, It is characterized in that The method comprises the following steps: (1) Preparation of base embryo (5) Applying a dense layer coating on the release paper, and then baking to form the dense layer (2); Applying a foaming layer coating on the dense layer (2), and then baking to form the foaming layer (3); Laminating the base fabric (4) onto the foaming layer (3); Remove the release paper to obtain the base blank (5); (2) Preparation of surface treatment solution Mixing water, graphene, polyurethane resin, dispersant and defoamer according to weight proportions to obtain a surface treatment liquid; (3) coating the surface treatment liquid obtained in step (2) on the dense layer (2) in the base (5) obtained in step (1), and then baking to form the surface treatment layer (1) on the dense layer (2), thereby obtaining the warm-adaptive artificial leather.

7. The method for preparing the warm-friendly artificial leather according to claim 6, It is characterized in that In step (3), the surface treatment liquid is applied to the dense layer (2) by using a round roll coater equipped with a silk mesh roll.

8. An automobile interior made of the warm-friendly artificial leather according to any one of claims 1 to 6, It is characterized in that The automobile interior is electrically connected to a conductive temperature control device (10); Preferably, the automobile interior comprises any one or more of a steering wheel cover, a seat cover, a center console armrest cover, a door trim cover and a door armrest cover.

9. An automobile component having the automobile interior decoration according to claim 8, It is characterized in that The automobile component comprises an automobile interior and an automobile component structure, wherein the automobile interior is at least partially covered on the automobile component structure; Preferably, the automobile component structure includes any one or more of a steering wheel, a seat, a center console armrest, a door trim panel and a door armrest.

10. An automobile having any one or more of the warm-comfortable artificial leather according to any one of claims 1 to 6, the automobile interior decoration according to claim 8, and the automobile component according to claim 9.

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