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Improved heat-resistant, corrosion-resistant thermal spray coating and preparation method thereof

A corrosion-resistant and hot-melt technology, applied in anti-corrosion coatings, fire-resistant coatings, coatings, etc., can solve problems such as monitoring and management measures, safety accidents, etc., and achieve the effects of reducing surface treatment requirements, high impact strength, and reducing processing costs

Active Publication Date: 2019-04-02
JIANGMEN ANNUOTE COOKING UTENSILS MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method still has a relatively large risk, which may lead to safety accidents due to inadequate monitoring and management measures

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] An improved heat-resistant and corrosion-resistant thermal spray coating, in parts by mass, includes the following components: 15 parts of polyamide-imide resin, 10 parts of polyethersulfone resin, 20 parts of N-methylpyrrolidone, methyl 20 parts of isobutyl ketone, 25 parts of aluminum silver paste, 0.5 parts of triethylamine, 3 parts of nano-alumina, 3 parts of sericite, and 0.5 parts of polyether polyester modified organosiloxane.

[0028] The preparation method of the improved heat-resistant, corrosion-resistant hot-melt spray coating comprises the following steps:

[0029] (1) Add the polyamide-imide resin in proportion to N-methylpyrrolidone under high-speed stirring at 800-1000rpm, wherein the mass ratio of polyamide-imide resin to N-methylpyrrolidone is 1:1 , continue to stir and disperse evenly, grind until the particle size of the material is ≤10um, and obtain a polyamide-imide mixture, which is set aside;

[0030] (2) Add the proportioned amount of polyether...

Embodiment 2

[0033] The improved heat-resistant and corrosion-resistant thermal spray coating, in parts by mass, includes the following components: 20 parts of polyamide-imide resin, 5 parts of polyethersulfone resin, 30 parts of ketone solvent, methyl isobutyl 15 parts of ketone, 15 parts of aluminum silver paste, 1.5 parts of triethylamine, 5 parts of nano-alumina, 2 parts of sericite, and 1.5 parts of polyether polyester modified organosiloxane.

[0034] The preparation method of the improved heat-resistant, corrosion-resistant hot-melt spray coating comprises the following steps:

[0035](1) Add the polyamide-imide resin in proportion to diisobutyl ketone under high-speed stirring at 800-1000rpm, wherein the mass ratio of polyamide-imide resin to diisobutyl ketone is 1:1 , continue to stir and disperse evenly, grind until the particle size of the material is ≤10um, and obtain a polyamide-imide mixture, which is set aside;

[0036] (2) Add the proportioned amount of polyethersulfone re...

Embodiment 3

[0039] The improved heat-resistant and corrosion-resistant thermal spray coating, in parts by mass, includes the following components: 20 parts of polyamide-imide resin, 8 parts of polyethersulfone resin, 30 parts of ketone solvent, methyl isobutyl 18 parts of ketone, 22 parts of aluminum silver paste, 1 part of triethylamine, 6 parts of nano-alumina, 1 part of inorganic filler, and 1 part of isophorone.

[0040] The preparation method of the improved heat-resistant, corrosion-resistant hot-melt spray coating comprises the following steps:

[0041] (1) Add the proportioned polyamide-imide resin into cyclohexanone under high-speed stirring at 800-1000rpm, wherein the mass ratio of polyamide-imide resin to cyclohexanone is 1:1, and continue stirring to disperse After uniformity, grind until the particle size of the material is ≤10um to obtain a polyamide-imide mixture, which is set aside;

[0042] (2) Add the proportioning amount of polyethersulfone resin into butanone under hi...

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Abstract

The invention provides an improved heat resistance and corrosion resistance thermal spray coating. The coating comprises, by weight, 15-20 parts of polyamide-imide resin, 5-10 parts of polyethersulfone resin, 20-30 parts of ketones solvent, 15-20 parts of viscosity modifier, 15-25 parts of aluminium paste, 0. 5-1.5 parts of triethylamine, 3-6 parts of nano-alumina, 1-3 parts of inorganic filler, 0.5-1.5 parts of leveling agent. Accordingly, the invention also provides the preparing method for the coating and the product obtained features excellent comprehensive performance, good hardness, friction resistance, flexibility, impact resistance and heat resistance. It can replace thermal spraying aluminum coating as a new protection coating, meet the corrosion requirements for salt-spray corrosion, water and oil when using cookers, and has good adhesive force with iron cookers.

Description

technical field [0001] The present invention relates to heat-resistant and corrosion-resistant protection on the surface of iron cookware, in particular to an improved heat-resistant and corrosion-resistant thermal spray coating, which has excellent heat and corrosion resistance. Correspondingly, the present invention also provides the Method of preparation of coatings. Background technique [0002] Electromagnetic induction products in the cookware industry often use iron thermal spray layer as a magnetic and thermal conductive material layer. However, due to the active chemical properties of elemental iron, it is easy to rust when exposed to air, and pure iron itself has poor flexibility and is easy to rust. Scratch induction hobs. In order to overcome this defect, those skilled in the art usually need to continue thermally spraying a certain thickness of aluminum layer on the iron thermal spray layer, in order to achieve the effect of antirust and reducing scratches on t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D179/08C09D181/06C09D5/10C09D7/61C09D7/63
CPCC08K2201/011C08L2201/08C08L2205/02C09D5/10C09D5/103C09D5/18C09D179/08C08L81/06C08K13/02C08K2003/0812C08K2003/0806C08K2003/2227C08K5/17
Inventor 林英杰
Owner JIANGMEN ANNUOTE COOKING UTENSILS MFG
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