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Enamel coating for pan and preparation method thereof

An enamel and coating technology, applied in the field of enamel coating for pot body and its preparation, can solve the problems of insufficient high temperature resistance and corrosion resistance, poor sintering quality, harsh sintering conditions, etc., achieve strong high temperature resistance, improve sintering Quality, decorative effect, beautiful effect

Active Publication Date: 2019-09-20
宁波市金象厨具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a pot body for the lack of high temperature resistance and corrosion resistance of the pot body enamel coating, as well as the problems of harsh sintering conditions and poor sintering quality. The use of the enamel coating and its preparation method improves the high temperature resistance and corrosion resistance of the enamel coating, slows down the shedding of the enamel coating of the pot body under the action of high temperature and acid-base solution, and improves the enamel coating at the same time. The sintering conditions and sintering quality of the layer make it have more excellent decorative effect and comprehensive physical properties

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0047] Correspondingly, a kind of preparation method as above-mentioned pot body uses enamel coating, it comprises the following steps:

[0048] S1. Grind the enamel frit to 100-200 mesh, take 100-150 parts of enamel frit, 4-10 parts of titanium dioxide, 0.8-1.2 parts of benzidine yellow, 1-3 parts of inorganic acid, and 0.3-0.8 parts of titanic acid Potassium, 5-15 parts of ionic liquid and 20-30 parts of deionized water, adding cerium oxide or lanthanum oxide microspheres in a planetary ball mill, ball milling for 12-24 hours;

[0049] S2. Transfer to a stirring tank, add 10-30 parts of N,N,N',N'-tetramethyl-p-phenylenediamine dihydrochloride, 10-20 parts of deionized water and 1.5-3.5 parts of cage poly Silsesquioxane, stir and mix evenly to obtain enamel glaze slurry, which is dip-coated on the surface of the pot body;

[0050] S3. Put the pot body into a high-temperature electric furnace, program the temperature for high-temperature sintering, and after the sintering rea...

Embodiment 1

[0055] An enamel coating for a pot body, the enamel coating is composed of the following raw materials in parts by weight: 120 parts of enamel frit, 7 parts of titanium dioxide, 1 part of benzidine yellow, 2.5 parts of cage polysilsesquioxane , 2 parts of boric acid, 0.5 parts of potassium titanate, 20 parts of N,N,N',N'-tetramethyl-p-phenylenediamine dihydrochloride, 10 parts of ionic liquid and 40 parts of deionized water.

[0056] The enamel frit is composed of the following glazes: 21 parts of feldspar powder, 6 parts of quartz sand, 25 parts of borax, 0.2 parts of sodium fluorosilicate, 4 parts of cryolite, 3 parts of ammonium fluoroaluminate, 3.5 parts of cobalt nitrate 1.5 parts of lead nitrate, 1.5 parts of bismuth nitrate, 1 part of cerium oxide and 3 parts of sodium oxide.

[0057] The cations of the ionic liquid are quaternary ammonium salt ions.

[0058] The anion of the ionic liquid is tetrafluoroborate ion.

Embodiment 2

[0060] An enamel coating for a pot body, the enamel coating is composed of the following raw materials in parts by weight: 100 parts of enamel frit, 4 parts of titanium dioxide, 0.8 part of benzidine yellow, 1.5 parts of cage polysilsesquioxane , 1 part of phosphoric acid, 0.3 parts of potassium titanate, 10 parts of N,N,N',N'-tetramethyl-p-phenylenediamine dihydrochloride, 5 parts of ionic liquid and 30 parts of deionized water.

[0061] The enamel frit is composed of the following glazes: 20 parts of feldspar powder, 5 parts of quartz sand, 24 parts of borax, 0.1 part of sodium fluorosilicate, 3 parts of cryolite, 2 parts of ammonium fluoroaluminate, 3 parts of cobalt nitrate 1 part, 1 part of lead nitrate, 1 part of bismuth nitrate, 0.5 part of lanthanum oxide and 1 part of potassium oxide.

[0062] The cation of the ionic liquid is a polyether type imidazolium salt ion.

[0063] The anion of the ionic liquid is hexafluorophosphate ion.

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Abstract

The invention discloses an enamel coating for a pan, the enamel coating comprises the following raw materials in parts by weight: 100-150 parts of enamel frit, 4-10 parts of titanium dioxide, 0.8-1.2 parts of benzidine yellow, 1.5-3.5 parts of cage-type polysilsesquioxane, 1-3 parts of an inorganic acid, 0.3-0.8 parts of potassium titanate, 10-30 parts of N, N, N', N'-tetramethyl p-phenylenediamine dihydrochloride, 5-15 parts of an ionic liquid and 30-50 parts of deionized water. The enamel coating for the pot has good high temperature resistance and corrosion resistance, can effectively slow down the phenomenon that the enamel coating for the pan falls off under the action of high temperature and acid and alkali solutions, and the sintering condition and sintering quality of the enamel coating are simultaneously improved, so that the enamel coating has more excellent decorative effect and comprehensive physical properties. The invention also discloses a preparation method of the enamel coating for the pan.

Description

technical field [0001] The invention relates to the technical field of enamel coatings, in particular to an enamel coating for a pot body and a preparation method thereof. Background technique [0002] Enamel pot, also known as enamel coated cast iron pot. The enamel coating refers to the inorganic glass enamel coated and fired on the surface of the metal base. It is mainly composed of silicate minerals such as high-strength quartz and feldspar, and has no toxic or side effects on the human body. Enamel enamel on the metal surface can prevent the metal from rusting, so that the metal will not form an oxide layer on the surface when it is heated, and it can resist the erosion of various liquids. It produces harmful leached substances, and has good acid and alkali resistance, and will not chemically react with food. Cast iron pots are composed of iron and carbon. Natural cast iron materials are heavier than ordinary metal materials. They are recognized as the highest quality...

Claims

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Application Information

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IPC IPC(8): C03C8/10C03C8/14A47J36/04
CPCC03C8/10C03C8/14A47J36/04
Inventor 王成
Owner 宁波市金象厨具有限公司
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