High-comfort automobile seat cover made of polymer composite material and preparation method thereof

Abstract

The application relates to the technical field of high polymer materials, and discloses a high-comfort automobile seat cover high polymer composite material and a preparation method thereof. The high-comfort automobile seat cover high polymer composite material comprises the following raw materials in parts by weight: 85-95 parts of polyurethane, 8-12 parts of a toughening agent, 4-12 parts of a filler, 6-9 parts of a foaming agent, 3-8 parts of a phase change temperature regulator, 2-8 parts of a surfactant, 1-5 parts of a matting agent and 40-55 parts of a solvent; the toughening agent comprises AES resin and ASA resin. The above technical scheme solves the problem of insufficient toughness of the polyurethane high polymer composite material for automobile seat covers in the related art.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of high polymer materials, in particular, relates to a high-comfort automobile seat cover high polymer composite material and a preparation method thereof. BACKGROUND

[0002] The seat cover is an important supporting component and is widely used in the field of automobiles and the like. The performance of the seat cover is largely dependent on the material used, and the polyurethane high polymer composite material has become one of the commonly used materials for manufacturing seat covers due to its good wear resistance, corrosion resistance, and processing convenience.

[0003] However, in actual application, the polyurethane high polymer composite material used in the existing seat cover gradually exposes the problem of insufficient toughness, which seriously affects the comprehensive performance and use effect of the seat cover. Insufficient toughness will cause the seat cover to be difficult to quickly recover to its original state after being subjected to external pressure or stretching, and will easily produce wrinkles and other phenomena, which not only reduces the aesthetic degree of the seat cover, but also affects the fit of the seat cover with the seat, thereby weakening the protection of the seat.

[0004] The polyurethane high polymer composite material with insufficient toughness is often hard to the touch and has poor flexibility, which cannot meet the demand of consumers for high-comfort seat covers and limits its application in the medium and high-end seat cover market.

[0005] Therefore, it is necessary to develop a polyurethane high polymer composite material with excellent toughness to improve the comfort of the seat cover. SUMMARY

[0006] The present application provides a high-comfort automobile seat cover high polymer composite material and a preparation method thereof, which solves the problem of insufficient toughness of the polyurethane high polymer composite material used in the seat cover in the related art.

[0007] The technical scheme of the present application is as follows:

[0008] The present application provides a high-comfort automobile seat cover high polymer composite material, which comprises the following raw materials by weight: polyurethane 85-95 parts, toughening agent 8-12 parts, filler 4-12 parts, foaming agent 6-9 parts, phase change temperature modifier 3-8 parts, surfactant 2-8 parts, matting agent 1-5 parts, and solvent 40-55 parts; the toughening agent comprises AES resin and ASA resin.

[0009] As a further technical scheme, the solvent comprises dimethylformamide.

[0010] As a further technical scheme, the mass ratio of the AES resin and the ASA resin is 1:9-9:1.

[0011] As a further technical solution, the mass ratio of the AES resin and the ASA resin is greater than 2.

[0012] In the high-comfort automobile seat cover high polymer composite material, when the mass ratio of the AES resin and the ASA resin is greater than 2, the toughness of the high-comfort automobile seat cover high polymer composite material is further improved.

[0013] As a further technical solution, the filler includes one or both of graphene oxide and silicon dioxide.

[0014] As a further technical solution, the filler is a polybutylene succinate composite filler.

[0015] As a further technical solution, the preparation method of the polybutylene succinate composite filler includes the following steps:

[0016] A1, preparation of composite particles: blending polybutylene succinate and filler, extruding and granulating to obtain composite particles;

[0017] A2, extraction of modified filler: mixing the composite particles with an organic solvent, filtering, collecting solids, and drying to obtain a polybutylene succinate composite filler.

[0018] In the high-comfort automobile seat cover high polymer composite material, polybutylene succinate and filler are extruded and granulated to make polybutylene succinate composite on the surface of the filler, then mixed with an organic solvent to remove polybutylene succinate that is not composite on the surface of the filler, and finally polybutylene succinate composite filler is prepared; by compounding polybutylene succinate on the surface of the filler, the compatibility of inorganic filler and organic raw materials in the high polymer composite material is improved, thereby improving the strength of the high polymer composite material.

[0019] As a further technical solution, the rotation speed during mixing is 8000-10000 rpm, for example, it can be 8000 rpm, 8500 rpm, 9000 rpm, 9500 rpm, or 10000 rpm.

[0020] The mixing time is 15-20 min, for example, it can be 15 min, 16 min, 17 min, 18 min, 19 min, or 20 min.

[0021] The blending time is 12-18 min.

[0022] As a further technical solution, the mass ratio of the polybutylene succinate and the filler is 15-20:1, for example, it can be 15:1, 16:1, 17:1, 18:1, 19:1, or 20:1.

[0023] The mass ratio of the polybutylene succinate and the organic solvent is 1:80-100; the organic solvent comprises dimethylformamide.

[0024] As a further technical solution, the matting agent comprises one or both of polyethylene wax and polypropylene wax.

[0025] The phase change temperature modifier comprises paraffin and stearic acid.

[0026] In the high-comfort automobile seat cover high-molecular composite material, the matting agent can be polyethylene wax, polypropylene wax, etc., which has a long-chain hydrocarbon structure. Because the surface tension of the matting agent is different from that of the polyurethane matrix, the matting agent will gradually migrate to the surface of the material during the material forming process, forming a small concave-convex structure on the surface. When light is incident on the material surface, the micro concave-convex structure will cause the light to be diffusely reflected, thereby reducing the gloss of the material surface and achieving the matting effect of the polyurethane composite material layer.

[0027] The application further provides a preparation method of the high-comfort automobile seat cover high-molecular composite material.

[0028] S1, the fillers, phase change temperature modifier, surfactant, matting agent, and solvent are mixed to obtain a preliminary mixture;

[0029] S2, the remaining raw materials are added to the preliminary mixture and mixed to obtain a polyurethane slurry;

[0030] S3, the polyurethane slurry is scraped and coated on a release paper, shaped, and a high-comfort automobile seat cover high-molecular composite material is obtained.

[0031] The working principle and beneficial effects of the application are as follows:

[0032] The high-comfort automobile seat cover high polymer composite material adds AES resin and ASA resin, and the toughness of the automobile seat cover high polymer composite material is improved. The reason is that AES resin is acrylonitrile-ethylene-propylene rubber-styrene copolymer, and ASA resin is acrylonitrile-styrene-acrylate copolymer. On the one hand, the polar acrylonitrile segment in AES resin and ASA resin is compatible with the polar isocyanate group in polyurethane, and on the other hand, the AES resin and ASA resin respectively contain an ethylene-propylene rubber phase and an acrylate rubber phase, which can absorb energy and disperse stress in the polyurethane composite layer to improve the toughness. Therefore, by adding AES resin and ASA resin to the polyurethane composite material, the flexibility of the polyurethane composite material is improved by excellent compatibility and the introduction of the ethylene-propylene rubber phase and the acrylate rubber phase, and the subsequent automobile seat cover can quickly respond to human actions to ensure the comfort of the seat cover. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0034] In the following examples and comparative examples, the particle size of the silicon dioxide is 100 nm.

[0035] Example 1

[0036] The high-comfort automobile seat cover high polymer composite material comprises the following raw materials by weight: polyurethane (model 1185A) 85 parts, toughening agent 8 parts, silicon dioxide 4 parts, foaming agent AC 6 parts, paraffin 1 part, stearic acid 2 parts, dodecyl ammonium bromide 2 parts, polyethylene wax 1 part, dimethylformamide 40 parts; the toughening agent is AES resin (model HW600GHI) and ASA resin (model G5120) with a mass ratio of 1:9;

[0037] The preparation method of the high-comfort automobile seat cover high polymer composite material comprises the following steps:

[0038] S1, mixing silicon dioxide, paraffin, stearic acid, dodecyl ammonium bromide, polyethylene wax, dimethylformamide to obtain a preliminary mixture;

[0039] S2, adding the remaining raw materials to the preliminary mixture and mixing to obtain a polyurethane slurry;

[0040] S3, scrape the polyurethane slurry on the release paper, shape at 120℃, get the high comfort automobile seat cover polymer composite material.

[0041] Example 2

[0042] The high comfort automobile seat cover polymer composite material comprises the following raw materials in parts by weight: polyurethane (model 1185A) 95 parts, toughening agent 12 parts, silicon dioxide 12 parts, foaming agent AC 9 parts, paraffin 4 parts, stearic acid 4 parts, dodecyl ammonium bromide 8 parts, polyethylene wax 5 parts, dimethylformamide 55 parts; the toughening agent is AES resin (model HW600GHI) and ASA resin (model G5120) with a mass ratio of 9:1;

[0043] The preparation method of the high comfort automobile seat cover polymer composite material comprises the following steps:

[0044] S1, mix silicon dioxide, paraffin, stearic acid, dodecyl ammonium bromide, polyethylene wax, and dimethylformamide to obtain a preliminary mixture;

[0045] S2, add the remaining raw materials to the preliminary mixture and mix to obtain a polyurethane slurry;

[0046] S3, scrape the polyurethane slurry on the release paper, shape at 120℃, get the high comfort automobile seat cover polymer composite material.

[0047] Example 3

[0048] The high comfort automobile seat cover polymer composite material comprises the following raw materials in parts by weight: polyurethane (model 1185A) 90 parts, toughening agent 10 parts, silicon dioxide 8 parts, foaming agent AC 8 parts, paraffin 2 parts, stearic acid 4 parts, dodecyl ammonium bromide 5 parts, polyethylene wax 4 parts, dimethylformamide 50 parts; the toughening agent is AES resin (model HW600GHI) and ASA resin (model G5120) with a mass ratio of 1:9;

[0049] The preparation method of the high comfort automobile seat cover polymer composite material comprises the following steps:

[0050] S1, mix silicon dioxide, paraffin, stearic acid, dodecyl ammonium bromide, polyethylene wax, and dimethylformamide to obtain a preliminary mixture;

[0051] S2, add the remaining raw materials to the preliminary mixture and mix to obtain a polyurethane slurry;

[0052] S3, scrape the polyurethane slurry on the release paper, shape at 120℃, get the high comfort automobile seat cover polymer composite material.

[0053] Example 4

[0054] The difference between this example and Example 3 is that the toughening agent is AES resin (model number HW600GHI) and ASA resin (model number G5120) in a mass ratio of 2:1.

[0055] Example 5

[0056] The difference between this example and Example 3 is that the toughening agent is AES resin (model number HW600GHI) and ASA resin (model number G5120) in a mass ratio of 5:1.

[0057] Example 6

[0058] The difference between this example and Example 5 is that the silica is replaced by polybutylene succinate composite silica, and the preparation method of the polybutylene succinate composite silica comprises the following steps:

[0059] A1, preparation of composite particles: dry the polybutylene succinate and the silica, blend for 12 min, and extrude and granulate to obtain the composite particles;

[0060] A2, extraction of modified silica: mix the composite particles with dimethylformamide at 8000 rpm for 20 min, collect the solid by filtration, and dry to obtain the polybutylene succinate composite silica; the mass ratio of the polybutylene succinate and the silica is 20:1; the mass ratio of the polybutylene succinate and the dimethylformamide is 1:80; and the model number of the polybutylene succinate is 3001MD.

[0061] Example 7

[0062] The difference between this example and Example 5 is that the silica is replaced by polybutylene succinate composite silica, and the preparation method of the polybutylene succinate composite silica comprises the following steps:

[0063] A1, preparation of composite particles: dry the polybutylene succinate and the silica, blend for 18 min, and extrude and granulate to obtain the composite particles;

[0064] A2, extraction of modified silica: mix the composite particles with dimethylformamide at 10000 rpm for 15 min, collect the solid by filtration, and dry to obtain the polybutylene succinate composite silica; the mass ratio of the polybutylene succinate and the silica is 15:1; the mass ratio of the polybutylene succinate and the dimethylformamide is 1:80; and the model number of the polybutylene succinate is 3001MD.

[0065] Comparative Example 1

[0066] The difference between the present comparative example and example 3 is only that the toughening agent is AES resin (model number HW600GHI).

[0067] Comparative example 2

[0068] The difference between the present comparative example and example 3 is only that the toughening agent is ASA resin (model number G5120).

[0069] Experimental example

[0070] The high-comfort automobile seat cover high polymer composite material prepared from examples 1-7 and comparative examples 1-2 is respectively tested for tensile strength and elongation at break according to standard GB / T 1040.3-2006 "Determination of tensile properties of plastics - Part 3: test conditions for films and sheets", sample type 1B, thickness 1mm, test speed 50mm / min, and the results are shown in Table 1 below.

[0071] Table 1 Performance test results

[0072]

[0073] Compared with comparative examples 1-2, the high-comfort automobile seat cover high polymer composite material prepared from examples 1-7 has higher elongation at break, indicating that the addition of AES resin and ASA resin synergistically improves the toughness of the polyurethane composite material, ensuring the comfort of the seat cover.

[0074] Compared with examples 3-4, the high-comfort automobile seat cover high polymer composite material prepared from example 5 has higher elongation at break, indicating that when the mass ratio of AES resin and ASA resin is greater than 2, the toughness of the polyurethane composite material is further improved.

[0075] Compared with example 5, the high-comfort automobile seat cover high polymer composite material prepared from examples 6-7 has higher tensile strength, indicating that the addition of polybutylene succinate composite filler further improves the strength of the polyurethane composite material while ensuring its toughness.

[0076] The above is only a preferred embodiment of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A high comfort automobile seat cover using a polymer composite material, characterized by, The polyurethane foam material comprises the following raw materials in parts by weight: polyurethane 85-95 parts, toughening agent 8-12 parts, filler 4-12 parts, foaming agent 6-9 parts, phase change temperature modifier 3-8 parts, surfactant 2-8 parts, matting agent 1-5 parts, and solvent 40-55 parts; the toughening agent comprises AES resin and ASA resin; The mass ratio of the AES resin and the ASA resin is greater than 2 and less than or equal to 9; The filler is polybutylene succinate composite filler; The preparation of the polybutylene succinate composite filler comprises blending polybutylene succinate and filler; The mass ratio of the polybutylene succinate and the filler is 15-20:

1.

2. The high polymer composite material for high comfort automobile seat coverings according to claim 1, characterized in that, The filler comprises one or both of graphene oxide and silicon dioxide.

3. The high polymer composite material for high comfort automobile seat coverings according to claim 1, characterized in that, The preparation method of the polybutylene succinate composite filler comprises the following steps: A1, preparation of composite particles: blending polybutylene succinate and filler, extruding and granulating to obtain composite particles; A2, extraction of modified filler: mixing the composite particles with an organic solvent, filtering, collecting solids, and drying to obtain polybutylene succinate composite filler.

4. The high polymer composite material for high comfort automobile seat coverings according to claim 3, characterized in that, The rotation speed during mixing is 8000-10000 rpm, and the time is 15-20 min; The blending time is 12-18 min.

5. The high polymer composite material for high comfort automobile seat coverings according to claim 3, characterized in that, The mass ratio of the polybutylene succinate and the organic solvent is 1:80-100.

6. The high polymer composite material for high comfort automobile seat coverings according to claim 1, wherein The matting agent comprises one or both of polyethylene wax and polypropylene wax; The phase change temperature modifier comprises paraffin and stearic acid.

7. A method for producing a high polymer composite material for a high comfort automobile seat cover, for producing the high polymer composite material for a high comfort automobile seat cover according to any one of claims 1 to 6, characterized by, The method comprises the following steps: S1, mixing filler, phase change temperature modifier, surfactant, matting agent, and solvent to obtain a preliminary mixture; S2, adding the remaining raw materials to the preliminary mixture and mixing to obtain a polyurethane slurry; S3, blade coating the polyurethane slurry on release paper, shaping to obtain a high-comfort automobile seat cover polymeric composite material.

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