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Method for preparing durable non-stick cooker coating layer

A coating and durable technology, which is applied in the field of preparing durable non-stick cookware coatings, can solve the problems that the PTFE coating is easy to fall off, damage, affect the aesthetics and service life of the product, etc.

Inactive Publication Date: 2019-06-14
浙江乐太新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the coating of non-stick cookware is mostly made of polytetrafluoroethylene, but the current polytetrafluoroethylene coating still has relatively large use restrictions. , the matching cookware should not be made of metal, but wood or silicone products with low hardness should be used to avoid damage to the non-stick coating. On the other hand, the PTFE coating is easy to fall off or cause damage, thus affecting the product aesthetics and service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] In parts by mass, 100 parts of modified polytetrafluoroethylene, 40 parts of polyimide resin, 3 parts of aluminate coupling agent, 4 parts of silicon rubber powder, 3.5 parts of titanium dioxide, and 8 parts of boron nitride were heated up. To 390°C, stir at high speed for 7.5 hours, then add 4.4 parts of phenoxyisopropanol, stir for 30 minutes to obtain a non-stick cookware coating, then put the coating into an electrostatic sprayer and spray it on the inner surface of the cooker, and place it at 220°C 35min to obtain the non-stick cookware coating of the present invention.

[0017] The preparation method of the modified polytetrafluoroethylene is as follows: according to the mass fraction, add 200 parts of toluene, 0.27 parts of allyl nickel trifluoroacetate, 0.8 parts of methyl chloride, bisindole 0.004 part of imide, 0.002 part of 4-(1,3-dithianolan-2-yl) benzene-1-carboxamine, 0.0025 part of neopentyl glycol 3-pyridine borate, magnetically stirred for 5.5 minutes, ...

Embodiment 2

[0022] In parts by mass, 100 parts of modified polytetrafluoroethylene, 30 parts of polyimide resin, 2 parts of aluminate coupling agent, 2 parts of silicon rubber powder, 2 parts of titanium dioxide, and 6 parts of boron nitride were heated up. To 340°C, stir at high speed for 5 hours, then add 3.2 parts of phenoxyisopropanol, stir for 20 minutes to obtain a non-stick cookware coating, then put the paint into an electrostatic sprayer and spray it on the inner surface of the cooker, and place it at 180°C for 20 minutes , to obtain the non-stick cookware coating of the present invention.

[0023] The preparation method of the modified polytetrafluoroethylene is as follows: according to the mass fraction, add 200 parts of toluene, 0.14 parts of allyl nickel trifluoroacetate, 0.6 parts of methyl chloride, bisindole 0.002 part of imide, 0.001 part of 4-(1,3-dithiamol-2-yl) benzene-1-carboxamine, 0.001 part of neopentyl glycol 3-pyridine borate, magnetically stirred for 3 minutes, ...

Embodiment 3

[0028] In parts by mass, 100 parts of modified polytetrafluoroethylene, 50 parts of polyimide resin, 4 parts of aluminate coupling agent, 6 parts of silicon rubber powder, 5 parts of titanium dioxide, and 10 parts of boron nitride are heated up to Stir at 440°C for 10 hours at high speed, then add 5.6 parts of phenoxyisopropanol, and stir for 40 minutes to obtain a non-stick cookware coating, then put the coating into an electrostatic sprayer and spray it on the inner surface of the cooker, and place it at 260°C for 50 minutes. That is, the non-stick cookware coating of the present invention is obtained.

[0029]The preparation method of the modified polytetrafluoroethylene is as follows: according to the mass fraction, add 200 parts of toluene, 0.4 parts of allyl nickel trifluoroacetate, 1 part of methyl chloride, bisindole 0.06 part of imide, 0.003 part of 4-(1,3-dithianolan-2-yl) benzene-1-carboxamine, 0.004 part of neopentyl glycol 3-pyridine borate, magnetic stirring for ...

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PUM

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Abstract

The invention relates to the field of cooker coating layers, in particular to a method for preparing a durable non-stick cooker coating layer. A cooker coating is prepared adding, in parts by weight,100 parts of modified polytetrafluoroethylene, 30-50 parts of polyimide resin, 2-4 parts of an aluminate coupling agent, 2-6 parts of silicone rubber powder, 2-5 parts of titanium dioxide, 6-10 partsof boron nitride and 3.2-5.6 parts of a coalescing agent, conducting heating to 340-440 DEG C and conducting stirring at a high speed for 5-10 hours. Then, the cooker coating is put into an electrostatic spraying machine to be sprayed on the inner surface of a cooker, and standing is carried out at 180-260 DEG C for 20-50 minutes, so that the non-stick cooker coating layer is obtained.

Description

technical field [0001] The invention relates to the field of cookware coatings, in particular to a method for preparing durable non-stick cookware coatings. Background technique [0002] Non-stick coating is a coating that gives cookware non-stick properties. At present, most non-stick pan products use polytetrafluoroethylene coating, which utilizes the excellent thermal properties, chemical properties, easy-to-clean performance and non-toxicity of polytetrafluoroethylene. Performance makes this a popular kitchen appliance. Polytetrafluoroethylene is known as the "King of Plastics" with good chemical corrosion resistance and aging resistance, and "Aqua Regia" is also difficult to corrode. Ordinary plastic products are prone to aging. Things that look good at first will crack or even break after three to five years or ten years. Products made of "Plastic King" can be placed outdoors and exposed to the sun and rain. , without damage for twenty or thirty years. Therefore, it...

Claims

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Application Information

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IPC IPC(8): C09D127/22C09D5/46C09D7/61C09D7/63C09D7/65
Inventor 熊旭辉
Owner 浙江乐太新材料有限公司
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