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A kind of production method of high temperature resistant non-stick coating

A technology of non-stick coating and production method, applied in the field of coating manufacturing, can solve the problems of unsuitability for coil coating line and sheet coating line, poor mechanical processing performance of coating film, increase production process cost, etc., so as to reduce production process flow, The effect of improving adhesion and meeting food safety requirements

Active Publication Date: 2019-12-24
浙江亘元涂料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 2. Teflon tetrafluoroethylene coating must be baked at high temperature (300°C) to form a film, which consumes too much energy and is not suitable for coil coating lines and sheet coating lines.
[0005] 3. The mechanical processing performance of the coating film is poor, but the Teflon coating must be sprayed after the appliance is processed and then pickled and phosphated, which not only increases the cost of the production process but also causes environmental pollution

Method used

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  • A kind of production method of high temperature resistant non-stick coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] 609 epoxy resin neutralization treatment: first mix 20kg of xylene, 10kg of butanol and 0.013kg of phosphoric acid and put them into the reaction pot, then put 70kg of 609 epoxy resin into the reaction pot, heat the temperature in the pot to 160-170 ℃ and wait for 609 epoxy resin After the resin is completely dissolved, start stirring, keep warm in xylene at 180°C-190°C as reflux for 2 hours, immediately cool down and discharge the material, and pack it for later use.

[0042] Mixing and dispersing: first put 35kg of the modified 609 epoxy resin liquid obtained in the above steps, 10kg of silicone resin, 3kg of phenylamino resin, 4kg of acetal amino resin, and 0.3kg of silane coupling agent into the paint mixing kettle and start stirring The speed should be controlled at 800-1000RPM.

[0043] Under the condition of stirring, add 15kg of pearlescent base material, 3.5kg of polytetrafluoroethylene powder, and 0.2kg of epoxy carbon black slurry. After feeding the materials...

Embodiment 2

[0047]609 epoxy resin neutralization treatment: first mix 20kg of xylene, 10kg of butanol and 0.013kg of phosphoric acid and put them into the reaction pot, then put 70kg of 609 epoxy resin into the reaction pot, heat the temperature in the pot to 160-170 ℃ and wait for 609 epoxy resin After the resin is completely dissolved, start stirring, keep warm in xylene at 180°C-190°C as reflux for 2 hours, immediately cool down and discharge the material, and pack it for later use.

[0048] Mixing and dispersing: first put 40kg of the modified 609 epoxy resin liquid obtained in the above steps, 10kg of silicone resin, 4kg of phenylamino resin, 5kg of acetal amino resin, and 0.5kg of silane coupling agent into the paint mixing kettle and start stirring The speed should be controlled at 800-1000RPM.

[0049] Under the condition of stirring, add 19kg of pearlescent base material, 5kg of polytetrafluoroethylene powder, and 0.5kg of epoxy carbon black slurry. After feeding the materials, i...

Embodiment 3

[0053] 609 epoxy resin neutralization treatment: first mix 20kg of xylene, 10kg of butanol and 0.013kg of phosphoric acid and put them into the reaction pot, then put 70kg of 609 epoxy resin into the reaction pot, heat the temperature in the pot to 160-170 ℃ and wait for 609 epoxy resin After the resin is completely dissolved, start stirring, keep warm in xylene at 180°C-190°C as reflux for 2 hours, immediately cool down and discharge the material, and pack it for later use.

[0054] Mixing and dispersing: first put 42kg of the modified 609 epoxy resin liquid obtained in the above steps, 12kg of silicone resin, 4.5kg of phenylamino resin, 4kg of acetal amino resin, and 0.6kg of silane coupling agent into the paint mixing kettle and start The stirring speed should be controlled at 800-1000RPM.

[0055] Under the condition of stirring, add 25kg of pearlescent base material, 6kg of polytetrafluoroethylene powder, and 0.5kg of epoxy carbon black slurry. After feeding the materials...

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Abstract

The invention relates to a production method of a high temperature resistant nonstick paint. The method includes the steps of: putting modified 609 epoxy resin liquid, organosilicon resin, phenyl amino resin, acetal amino resin and a coupling agent into a paint mixing kettle, starting stirring and controlling the rotation speed at 800-1000RPM; under a stirring condition, adding a pearlescent basematerial, polytetrafluoroethylene powder and epoxy carbon black pulp, then increasing the dispersion rotation speed and controlling the speed at 1000-1500RPM until the fineness meets the requirements;when the fineness meets the requirements, controlling the stirring rotation speed at 500-800RPM, adding a pre-mixed coated aluminum paste and PMA mixed paste, and using n-butyl alcohol and cyclohexanone to adjust the paint viscosity. The high temperature resistant nonstick paint produced by the method provided by the invention has the advantages of no toxicity, strong adhesion, good machinability, high temperature resistance and nonstick performance.

Description

technical field [0001] The invention relates to a method for manufacturing a coating, in particular to a method for producing a high-temperature-resistant non-stick coating. Background technique [0002] In the food culture of western countries, baking molds with non-stick properties are widely used for food processing, such as bread pans, cake molds, coffee cups, etc. With the continuous development of the national economy and the improvement of people's living standards, the consumption of non-stick utensils in my country will continue to soar. At present, the Teflon coating used internationally and domestically has the following disadvantages when applied as a non-stick coating: [0003] 1. Tetrafluoroethylene, the chemical component of Teflon, is cracked under high temperature to produce highly toxic by-products, fluorophosgene and perfluoroisobutylene, which are banned by the US government; [0004] 2. Teflon tetrafluoroethylene coating must be baked at high temperatu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D161/32C09D183/04C09D127/18C09D7/65C09D5/08C08G59/14
CPCC08G59/1422C08L2201/08C08L2205/025C08L2205/035C08L2312/00C09D5/08C09D5/18C09D163/00C08L61/32C08L83/04C08L27/18
Inventor 张和明
Owner 浙江亘元涂料科技有限公司
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