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Cooling flame-retardant coating of automobile shell

A technology for flame-retardant coatings and automobile shells, applied in coatings, fire-resistant coatings, epoxy resin coatings, etc., can solve problems such as loss of auto parts, hazards to auto performance, and spontaneous combustion of autos, and achieve improved flame retardancy, improved heat dissipation and High temperature resistance, low cost effect

Inactive Publication Date: 2019-04-16
安徽超哥精密科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Because the car shell is often exposed to the high temperature environment outside, the high temperature will cause the loss of auto parts, and may even cause the car to spontaneously ignite. At the same time, if the heat accumulated in the car shell cannot be dissipated quickly, it will also affect the performance of the car. cause harm

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Preparation of heat dissipation flame retardant coating:

[0026] (1) Send 10kg of stearic acid, 5kg of modified graphene, and 2kg of aluminum alloy powder into an automatic mixer, mix for 5 minutes, and then place microwave treatment at intervals of microwave frequency 2450MHz and power 500W, the interval time is 5min, each time Microwave treatment for 10 minutes was performed continuously for 3-4 times to obtain a mixture;

[0027] (2) Preheat the internal mixer to 70°C, then add 35kg of modified epoxy resin, 20kg of phenolic F-type epoxy resin and stir for 30min at a stirring speed of 200rpm, then heat up to 80°C, add 6kg of resin alloy polyphenylene ether, 1kg of accelerator TMTD and the mixture in step 1 continued to stir for 1h, stood still for 10min, cooled to 65°C and continued to stir for 0.5h, cooled and discharged to obtain a heat-dissipating flame-retardant coating.

[0028] Preparation of modified epoxy resin: Add 30kg EPDM rubber into absolute ethanol, he...

Embodiment 2

[0031] Preparation of heat dissipation flame retardant coating:

[0032] (1) Send 12kg of stearic acid, 6kg of modified graphene, and 3kg of aluminum alloy powder into an automatic mixer, mix for 5 minutes, and then place microwave treatment at intervals at a microwave frequency of 2450MHz and a power of 500W, with an interval of 5 minutes, each time Microwave treatment for 10 minutes was performed continuously for 3-4 times to obtain a mixture;

[0033] (2) Preheat the internal mixer to 70°C, then add 36kg of modified epoxy resin, 25kg of phenolic F-type epoxy resin and stir for 30min at a stirring speed of 200rpm, then heat up to 80°C, add 6kg of resin alloy polyphenylene ether, 1kg of accelerator TMTD and the mixture in step 1 continued to stir for 1h, stood still for 10min, cooled to 65°C and continued to stir for 0.5h, cooled and discharged to obtain a heat-dissipating flame-retardant coating.

[0034] Preparation of modified epoxy resin: Add 30kg EPDM rubber into absolu...

Embodiment 3

[0059] Based on Example 1, set the comparative example 1 that does not add acrylic acid, the comparative example 2 that does not modify epoxy resin, the comparative example 3 that does not add methyl p-hydroxybenzoate, the comparative example that does not modify graphene 4.

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PUM

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Abstract

The invention discloses a cooling flame-retardant coating of an automobile shell, and relates to the technical field of coatings. Acrylic acid and ethylene-propylene-diene monomers are used for conducting modifying treatment on epoxy resin, so that the properties of cooling and high temperature resistance of the epoxy resin are improved; a titanate coupling agent and methyl 4-hydroxybenzoate are adopted for conducting modifying treatment on graphene, a hydroxyl active site of methyl 4-hydroxybenzoate is used for a reaction of the graphene and active groups in the resin, and therefore the capacities of flame retardancy and cooling of the resin are improved; meanwhile, the problems are solved that a coating easily coagulates, is not dispersed with uniformity, and is not combined with an organic raw material tightly. A preparation technology for the cooling flame-retardant coating is efficient, environmentally friendly, low in cost and suitable for industrial production, and will not generate environmental pollution.

Description

Technical field: [0001] The invention relates to the technical field of coatings, in particular to a heat-dissipating and flame-retardant coating for an automobile shell. Background technique: [0002] Because the car shell is often exposed to the high temperature environment outside, the high temperature will cause the loss of auto parts, and may even cause the car to spontaneously ignite. At the same time, if the heat accumulated in the car shell cannot be dissipated quickly, it will also affect the performance of the car. cause harm. Invention content: [0003] The technical problem to be solved by the present invention is to provide a heat-dissipating and flame-retardant coating for automobile shells with excellent heat dissipation performance and strong resistance to high temperature. [0004] Technical problem to be solved by the present invention adopts following technical scheme to realize: [0005] A heat-dissipating and flame-retardant coating for an automobile...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/18C09D7/61C09D7/62C09D7/63C09D7/65C08F255/06C08F220/06C08G59/17C08G59/62
CPCC09D163/00C08F255/06C08G59/1466C08G59/62C08K2003/0812C08L2201/02C08L2205/025C08L2205/035C09D5/18C09D7/61C09D7/62C09D7/63C09D7/65C08F220/06C08L63/00C08L51/04C08L71/12C08K9/00C08K9/02C08K9/04C08K3/042C08K3/08C08K5/09
Inventor 张丽华
Owner 安徽超哥精密科技有限公司
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