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CN117304678B - Thermoplastic elastomer for automobile protective film capable of rapidly dissipating heat and preparation method thereof - Google Patents

Thermoplastic elastomer for automobile protective film capable of rapidly dissipating heat and preparation method thereof Download PDF

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Publication number
CN117304678B
CN117304678B CN202311594565.2A CN202311594565A CN117304678B CN 117304678 B CN117304678 B CN 117304678B CN 202311594565 A CN202311594565 A CN 202311594565A CN 117304678 B CN117304678 B CN 117304678B
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thermoplastic elastomer
protective film
automobile protective
rapid thermal
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CN117304678A (en
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李玉清
杨洪治
张朝勇
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Hebei Shulaimeide Plastic Film Material Technology Co ltd
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Hebei Shulaimeide Plastic Film Material Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04Polyurethanes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/16Applications used for films

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to the technical field of high polymer materials, and provides a thermoplastic elastomer for a rapid heat dissipation automobile protective film and a preparation method thereof. The thermoplastic elastomer for the rapid heat dissipation automobile protective film comprises the following components in parts by mass: 80-100 parts of TPU, 5-15 parts of ceramic powder, 3-8 parts of graphene, 1-3 parts of lubricant, 0.5-1.5 parts of antioxidant and 1-5 parts of 1, 1-diphenyl ethylene oxide; according to the preparation method of the thermoplastic elastomer for the rapid heat dissipation automobile protective film, the thermoplastic elastomer for the rapid heat dissipation automobile protective film is obtained by mixing and melting the components in parts by mass, extruding and granulating. Through the technical scheme, the problem that ceramic powder and graphene in the prior art are unevenly dispersed in a high polymer matrix material is solved.

Description

Thermoplastic elastomer for automobile protective film capable of rapidly dissipating heat and preparation method thereof
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a thermoplastic elastomer for a rapid heat dissipation automobile protective film and a preparation method thereof.
Background
Along with the development of society and the progress of science and technology, the car is general in people's life gradually, and the car is expensive, and in the use, the unavoidable wearing and tearing of meeting takes place, leads to the paint on surface to be destroyed, has seriously influenced the pleasing to the eye of car, to this, people are prone to paste the damage of a layer protection film at the surface of car to avoid car paint, can also give the quick radiating performance of protection film simultaneously to reach the effect of quick heat dissipation car itself.
The rapid heat dissipation automobile protective film is formed by molding and processing a thermoplastic elastomer, and the polyurethane material has the advantages of low cost, good elasticity, transparency, wide hardness range, simple processing technology and the like, and is widely applied to a base material of the automobile protective film. At present, the thermoplastic elastomer for the automobile protective film capable of rapidly radiating heat is widely used for improving the heat conductivity coefficient of a material by adding ceramic powder and graphene into a matrix material, so that the heat radiating effect of the automobile protective film is improved. However, ceramic powder and graphene are easy to agglomerate and cannot be uniformly dispersed when being added into a high polymer material, so that the technical problem to be solved by researchers is always solved.
Disclosure of Invention
The invention provides a thermoplastic elastomer for a rapid heat dissipation automobile protective film and a preparation method thereof, which solve the problem of uneven dispersion of ceramic powder and graphene in a high polymer matrix material in the related technology.
The technical scheme of the invention is as follows:
the thermoplastic elastomer for the rapid heat dissipation automobile protective film comprises the following components in parts by mass: 80-100 parts of TPU, 5-15 parts of ceramic powder, 3-8 parts of graphene, 1-3 parts of lubricant, 0.5-1.5 parts of antioxidant and 1-5 parts of 1, 1-diphenyl ethylene oxide.
As a further technical scheme, the mass of the 1, 1-diphenyl ethylene oxide accounts for 20% of the sum of the mass of the ceramic powder and the mass of the graphene.
As a further technical scheme, the method also comprises maleic anhydride grafted polypropylene.
As a further technical scheme, the mass ratio of the 1, 1-diphenyl ethylene oxide to the maleic anhydride grafted polypropylene is 3:1-2.
As a further technical scheme, the lubricant comprises one or more of methyl silicone oil, ethyl silicone oil and benzyl silicone oil.
As a further technical scheme, the antioxidant comprises one or more of antioxidant 1010, antioxidant 264 and antioxidant 1076.
As a further technical scheme, the ceramic powder is 3500 meshes and the pH value is 6-8.
As a further technical scheme, the graphene has a diameter of 1-20 mu m, a thickness of 5-15 nm and a specific surface area of 40-60 m 2 /g。
The invention also provides a preparation method of the thermoplastic elastomer for the rapid heat dissipation automobile protective film, which comprises the steps of mixing and melting the components in parts by mass, extruding and granulating to obtain the thermoplastic elastomer for the rapid heat dissipation automobile protective film.
The invention also provides application of the thermoplastic elastomer for the rapid heat dissipation automobile protective film or the thermoplastic elastomer for the rapid heat dissipation automobile protective film prepared by the preparation method in the automobile protective film.
The working principle and the beneficial effects of the invention are as follows:
1. according to the invention, the 1, 1-diphenyl ethylene oxide is added into the components, so that the dispersibility of the ceramic powder and the graphene in the TPU matrix is improved, the ceramic powder and the graphene are dispersed in the TPU matrix more uniformly, and the tensile strength and the heat conductivity of the thermoplastic elastomer are further improved.
2. According to the invention, the maleic anhydride grafted polypropylene is further added into the components, and the mass ratio of the 1, 1-diphenyl ethylene oxide to the maleic anhydride grafted polypropylene is optimized to be 3:1-2, so that the tensile strength and the heat conductivity coefficient of the thermoplastic elastomer are further improved.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a graph showing the transmittance test of the thermoplastic elastomer obtained in example 5 of the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The ceramic powder in the following examples and comparative examples was 3500 mesh, pH 6 to 8, purchased from Zhengzhou Bell chemical products Co., ltd; graphene with diameter of 1-20 μm, thickness of 5-15 nm and specific surface area of 40-60 m 2 /g, purchased from Zhengzhou Wan chemical products Co., ltd; maleic anhydrideThe grafting rate of the grafted polypropylene is 1.2 percent, and the melt index is 100g/10min; the TPU is TPU 1185A.
Example 1
Uniformly mixing 90 parts of TPU, 10 parts of ceramic powder, 5 parts of graphene, 2 parts of methyl silicone oil, 1 part of antioxidant 1010 and 3 parts of 1, 1-diphenyl ethylene oxide in a mixer, transferring into a double-screw extruder, setting the barrel temperature to 180 ℃/190 ℃/200 ℃/190 ℃, carrying out melt extrusion, and granulating to obtain the thermoplastic elastomer material.
Example 2
Uniformly mixing 90 parts of TPU, 10 parts of ceramic powder, 5 parts of graphene, 2 parts of methyl silicone oil, 1 part of antioxidant 1010 and 1 part of 1, 1-diphenyl ethylene oxide in a mixer, transferring into a double-screw extruder, setting the barrel temperature to 180 ℃/190 ℃/200 ℃/190 ℃, carrying out melt extrusion, and granulating to obtain the thermoplastic elastomer material.
Example 3
Uniformly mixing 90 parts of TPU, 10 parts of ceramic powder, 5 parts of graphene, 2 parts of methyl silicone oil, 1 part of antioxidant 1010 and 5 parts of 1, 1-diphenyl ethylene oxide in a mixer, transferring into a double-screw extruder, setting the barrel temperature to 180 ℃/190 ℃/200 ℃/190 ℃, carrying out melt extrusion, and granulating to obtain the thermoplastic elastomer material.
Example 4
Uniformly mixing 90 parts of TPU, 10 parts of ceramic powder, 5 parts of graphene, 2 parts of methyl silicone oil, 1 part of antioxidant 1010, 3 parts of 1, 1-diphenyl ethylene oxide and 2 parts of maleic anhydride grafted polypropylene in a mixer, transferring the mixture into a double-screw extruder, and performing melt extrusion and granulation at a machine barrel temperature of 180 ℃/190 ℃/200 ℃/190 ℃ to obtain the thermoplastic elastomer material.
Example 5
Uniformly mixing 90 parts of TPU, 10 parts of ceramic powder, 5 parts of graphene, 2 parts of methyl silicone oil, 1 part of antioxidant 1010, 3 parts of 1, 1-diphenyl ethylene oxide and 1.5 parts of maleic anhydride grafted polypropylene in a mixer, transferring the mixture into a double-screw extruder, and performing melt extrusion and granulation at the barrel temperature of 180 ℃/190 ℃/200 ℃/190 ℃ to obtain the thermoplastic elastomer material.
Example 6
Uniformly mixing 90 parts of TPU, 10 parts of ceramic powder, 5 parts of graphene, 2 parts of methyl silicone oil, 1 part of antioxidant 1010, 3 parts of 1, 1-diphenyl ethylene oxide and 1 part of maleic anhydride grafted polypropylene in a mixer, transferring the mixture into a double-screw extruder, and performing melt extrusion and granulation at a machine barrel temperature of 180 ℃/190 ℃/200 ℃/190 ℃ to obtain the thermoplastic elastomer material.
Example 7
Uniformly mixing 90 parts of TPU, 5 parts of ceramic powder, 3 parts of graphene, 1 part of ethyl silicone oil, 0.5 part of antioxidant 264, 1 part of 1, 1-diphenyl ethylene oxide and 0.5 part of maleic anhydride grafted polypropylene in a mixer, transferring into a double-screw extruder, and performing melt extrusion and granulation at the barrel temperature of 180 ℃/190 ℃/200 ℃/190 ℃ to obtain the thermoplastic elastomer material.
Example 8
Uniformly mixing 90 parts of TPU, 15 parts of ceramic powder, 8 parts of graphene, 3 parts of benzyl silicone oil, 1.5 parts of antioxidant 1076, 5 parts of 1, 1-diphenyl ethylene oxide and 2.5 parts of maleic anhydride grafted polypropylene in a mixer, transferring into a double-screw extruder, and performing melt extrusion and granulation at the barrel temperature of 180 ℃/190 ℃/200 ℃/190 ℃ to obtain the thermoplastic elastomer material.
Comparative example 1
The difference from example 1 is only that no 1, 1-diphenylethylene oxide was added.
The thermoplastic elastomer materials obtained in examples 1 to 8 and comparative example 1 were subjected to the test of tensile Properties of plastics part 1 with reference to GB/T1040.1-2018: the tensile strength was measured by the method of general rule, the thermal conductivity was measured by the method of GB/T10295-2008 heat flow meter for measuring thermal resistance and related characteristics of insulation materials, and the measurement results are recorded in Table 1.
TABLE 1 tensile Strength and thermal conductivity
As can be seen from Table 1, the thermoplastic elastomer materials obtained in examples 1 to 8 of the present invention have a tensile strength of 82.8MPa or more and a thermal conductivity of 4.0W/mK or more, and have good mechanical properties and heat dissipation effects.
Compared with comparative example 1, examples 1 to 3 and 1, 1-diphenylethylene oxide added in examples 1 to 3, and 1, 1-diphenylethylene oxide is not added in comparative example 1, the mechanical strength and the heat dissipation effect of the thermoplastic elastomer material obtained in examples 1 to 3 are better than those of comparative example 1, which indicates that the addition of 1, 1-diphenylethylene oxide can improve the dispersibility of ceramic powder and graphene in TPU, and further improve the mechanical property and the heat dissipation effect of the thermoplastic elastomer material.
In example 1, compared with examples 4 to 6, example 1 only adds 1, 1-diphenyl ethylene oxide, examples 4 to 6 also add maleic anhydride grafted polypropylene on the basis of adding 1, 1-diphenyl ethylene oxide, and the tensile strength and the heat conductivity coefficient of the thermoplastic elastomer obtained in examples 4 to 6 are higher than those of example 1, which shows that the effect of using 1, 1-diphenyl ethylene oxide and maleic anhydride grafted polypropylene is better than that of using single 1, 1-diphenyl ethylene oxide, and the mechanical property and the heat dissipation effect of the thermoplastic elastomer material can be greatly improved.
The thermoplastic elastomer obtained in example 5 was hot-pressed into a film having a thickness of 1mm, and the transmittance was measured by using an ultraviolet-visible near-infrared spectrophotometer Cary 5000, and the measurement results are shown in FIG. 1.
As can be seen from fig. 1, the thermoplastic elastomer provided in embodiment 5 of the present invention has a light transmittance of 80% or more for wavelengths of 450 to 800nm, and has a good light transmittance, and can be used as an automobile protective film.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (10)

1. The thermoplastic elastomer for the rapid heat dissipation automobile protective film is characterized by comprising the following components in parts by mass: 80-100 parts of TPU, 5-15 parts of ceramic powder, 3-8 parts of graphene, 1-3 parts of lubricant, 0.5-1.5 parts of antioxidant and 1-5 parts of 1, 1-diphenyl ethylene oxide.
2. The thermoplastic elastomer for a rapid thermal insulation automobile protective film according to claim 1, wherein the mass of the 1, 1-diphenylethylene oxide is 20% of the sum of the mass of the ceramic powder and the mass of the graphene.
3. The thermoplastic elastomer for a rapid thermal dissipating automotive protective film of claim 2 further comprising a maleic anhydride grafted polypropylene.
4. The thermoplastic elastomer for a rapid thermal insulation automobile protective film according to claim 3, wherein the mass ratio of the 1, 1-diphenylethylene oxide to the maleic anhydride grafted polypropylene is 3:1-2.
5. The thermoplastic elastomer for a rapid thermal dissipation automobile protective film according to claim 1, wherein the lubricant comprises one or more of methyl silicone oil, ethyl silicone oil, and benzyl silicone oil.
6. The thermoplastic elastomer for a rapid thermal protection film for an automobile according to claim 1, wherein the antioxidant comprises one or more of an antioxidant 1010, an antioxidant 264, and an antioxidant 1076.
7. The thermoplastic elastomer for a rapid thermal insulation automobile protective film according to claim 1, wherein the ceramic powder is 3500 meshes and has a pH value of 6-8.
8. The thermoplastic elastomer for a rapid thermal insulation automobile protective film according to claim 1, wherein the graphene has a diameter of 1-20 μm, a thickness of 5-15 nm, and a specific surface area of 40-60 m 2 /g。
9. The method for producing a thermoplastic elastomer for a rapid thermal insulation automobile protective film according to any one of claims 1 to 8, wherein the thermoplastic elastomer for a rapid thermal insulation automobile protective film is obtained by extrusion granulation after mixing and melting the components in parts by mass.
10. The thermoplastic elastomer for a rapid thermal dissipation automobile protective film according to any one of claims 1 to 8 or the application of the thermoplastic elastomer for a rapid thermal dissipation automobile protective film prepared by the preparation method according to claim 9 in an automobile protective film.
CN202311594565.2A 2023-11-28 2023-11-28 Thermoplastic elastomer for automobile protective film capable of rapidly dissipating heat and preparation method thereof Active CN117304678B (en)

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CN118144382A (en) * 2024-03-12 2024-06-07 浙江海利得复合新材料有限公司 A thermally conductive TPU film

Citations (5)

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Publication number Priority date Publication date Assignee Title
JPH05214063A (en) * 1992-02-04 1993-08-24 Dainippon Ink & Chem Inc Polymerizable unsaturated polyurethane and ultraviolet curable resin composition using the same
JP2006076944A (en) * 2004-09-10 2006-03-23 Mitsui Chemicals Inc Manufacturing method of optically active oxirane compound and of optically active ethylene carbonate compound
JP2012057110A (en) * 2010-09-11 2012-03-22 Konishi Co Ltd Quaternary ammonium group-containing silylated urethane-based polymer, and method for producing the same
CN105637041A (en) * 2013-10-11 2016-06-01 亨茨曼国际有限公司 Polyisocyanate-based intumescent coating
CN111267451A (en) * 2018-12-04 2020-06-12 南亚塑胶工业股份有限公司 Release film for high-capacity multilayer ceramic capacitor and method for producing the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101916313B1 (en) * 2016-12-27 2018-11-09 한국과학기술연구원 humidity control sheet and composite, having long-lasting antibacterial and antibiofouling property, and manufacturing method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05214063A (en) * 1992-02-04 1993-08-24 Dainippon Ink & Chem Inc Polymerizable unsaturated polyurethane and ultraviolet curable resin composition using the same
JP2006076944A (en) * 2004-09-10 2006-03-23 Mitsui Chemicals Inc Manufacturing method of optically active oxirane compound and of optically active ethylene carbonate compound
JP2012057110A (en) * 2010-09-11 2012-03-22 Konishi Co Ltd Quaternary ammonium group-containing silylated urethane-based polymer, and method for producing the same
CN105637041A (en) * 2013-10-11 2016-06-01 亨茨曼国际有限公司 Polyisocyanate-based intumescent coating
CN111267451A (en) * 2018-12-04 2020-06-12 南亚塑胶工业股份有限公司 Release film for high-capacity multilayer ceramic capacitor and method for producing the same

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