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Powder coating for automobile exhaust pipe and silencer and preparation method thereof

A technology of automobile exhaust and powder coating, applied in the direction of powder coating, coating, etc., can solve the problems of poor decorative performance of surface texture coating, large particle size difference, thick coating thickness, etc., and achieve excellent decorative effect, color Bright, uniform grain effect

Active Publication Date: 2017-12-12
ZHANGJIAGANG JIANGNAN POWDER COATING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Powder coating is a new type of solvent-free, easy-to-operate, 100% solid powder-like environmentally friendly coating. The powder coating has high utilization efficiency and is widely used in household appliances, automobiles, construction, petroleum and petrochemical industries; traditional high-temperature-resistant powder coatings Most of them are black sand grain paints, with poor surface texture and paint decoration performance; traditional high-temperature resistant powder paints have a large gap in particle size, and the coating is uneven during coating, and the overall coating thickness is often thick

Method used

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  • Powder coating for automobile exhaust pipe and silencer and preparation method thereof
  • Powder coating for automobile exhaust pipe and silencer and preparation method thereof
  • Powder coating for automobile exhaust pipe and silencer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Produce a kind of automobile exhaust pipe and muffler powder coating, its specific steps are as follows:

[0048] a. Weigh the raw materials and prepare the following raw materials in parts by mass:

[0049] Methylphenyl silicone resin 50kg;

[0050] Lead-free low temperature molten glass powder (300 mesh) 20kg;

[0051] Polyimide powder (300 mesh) 15kg;

[0052] Leveling agent 3kg;

[0053] Silane coupling agent KH550 2kg;

[0054] Titanate coupling agent 1kg;

[0055] Inorganic ceramic pigment 15kg;

[0056] Benzoin 1kg;

[0057] White carbon black 0.8kg;

[0058] b. Add the methyl phenyl silicone resin prepared in step a, lead-free low temperature molten glass powder, leveling agent, silane coupling agent KH550, titanate coupling agent, inorganic ceramic pigment and benzoin into the mixer Misai Carat cylinder, pre-mixing, mixing time: low speed 2 minutes, high speed 6 minutes; low speed speed is 100r / min, high speed speed is 280r / min;

[0059] c. Put the homog...

Embodiment 2

[0065] Produce a kind of automobile exhaust pipe and muffler powder coating, its specific steps are as follows:

[0066] a. Weigh the raw materials and prepare the following raw materials in parts by mass:

[0067] Methylphenyl silicone resin 55.3kg;

[0068] Lead-free low temperature molten glass powder (300) 22.6kg;

[0069] Polyimide powder (300) 17.8kg;

[0070] Leveling agent 4kg;

[0071] Silane coupling agent KH550 2.6kg;

[0072] Titanate coupling agent 1.5kg;

[0073] Inorganic ceramic pigment 18.4kg;

[0074] Benzoin 1kg;

[0075] White carbon black 0.8kg;

[0076] b. Add the methyl phenyl silicone resin prepared in step a, lead-free low temperature molten glass powder, leveling agent, silane coupling agent KH550, titanate coupling agent, inorganic ceramic pigment and benzoin into the mixer Misai Carat cylinder, pre-mixing, mixing time: low speed 2 minutes, high speed 6 minutes; low speed speed is 100r / min, high speed speed is 280r / min;

[0077] c. Put the h...

Embodiment 3

[0083] Produce a kind of automobile exhaust pipe and muffler powder coating, its specific steps are as follows:

[0084] a. Weigh the raw materials and prepare the following raw materials in parts by mass:

[0085] Methylphenyl silicone resin 60kg;

[0086] Lead-free low-temperature molten glass powder (300 mesh) 30kg;

[0087] Polyimide powder (300 mesh) 20kg;

[0088] Leveling agent 5kg;

[0089] Silane coupling agent KH550 3kg;

[0090] Titanate coupling agent 2kg;

[0091] Inorganic ceramic pigment 20kg;

[0092] Benzoin 1kg;

[0093] White carbon black 0.8kg;

[0094] b. Add the methyl phenyl silicone resin prepared in step a, lead-free low temperature molten glass powder, leveling agent, silane coupling agent KH550, titanate coupling agent, inorganic ceramic pigment and benzoin into the mixer Misai Carat cylinder, pre-mixing, mixing time: low speed 2 minutes, high speed 6 minutes; low speed speed is 100r / min, high speed speed is 280r / min;

[0095] c. Put the hom...

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PUM

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Abstract

The invention discloses a powder coating for an automobile exhaust pipe and a silencer and a preparation method thereof. The adopted materials in parts by weight are as follows: 50-60 parts of methyl phenyl silicone resin, 20-30 parts of unleaded low-temperature fused glass powder, 15-20 parts of polyimide powder, 3-5 parts of a flatting agent, 2-3 parts of a silane coupling agent KH550, 1-2 parts of a titanate coupling agent, 15-20 parts of inorganic ceramic pigment, 1 part of benzoin and 0.8 part of white carbon black. The prepared powder coating is uniform and bright in color, has a better decorating effect, has an excellent high temperature resisting property and can meet the requirement on the surface coating of the automobile exhaust pipe and the silencer.

Description

technical field [0001] The invention belongs to the technical field of powder coatings, in particular to an automobile exhaust pipe and muffler powder coating and a preparation method thereof. Background technique [0002] Automobile exhaust pipe and muffler are used to discharge the exhaust gas produced by the combustion of fuel in the combustion chamber of the automobile engine. The temperature in the combustion chamber of the automobile can reach up to 2000°C, and the temperature of the exhaust gas is relatively high. The exhaust gas passes through the exhaust pipe and muffler to make the exhaust pipe The surface temperature of the muffler and muffler reaches 300-400°C, and under high load conditions, it can reach 500-600°C. The high temperature resistance of the coating on the surface of the automobile exhaust pipe and muffler is high. [0003] Powder coating is a new type of solvent-free, easy-to-operate, 100% solid powder-like environmentally friendly coating. The powd...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D179/08C09D5/03C09D7/12
CPCC08L2203/18C09D5/033C09D183/04C08L79/08C08K13/02C08K3/40C08K3/36C08K5/10C08K5/544
Inventor 黎永新田晖华鹤林陈传东
Owner ZHANGJIAGANG JIANGNAN POWDER COATING
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