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Method for covering the surface of food utensils with hydrophobic polymer metal composite film

A metal composite and surface covering technology, which is applied in the field of food utensil surface treatment technology, can solve the problems of low conductivity and low conductivity, reduce scratches, prolong service life, excellent wear resistance and salt resistance Effect of Fog Corrosion Ability

Active Publication Date: 2022-05-10
SAN NENG BAKE WARE WUXI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The aluminum-based intermetallic compound structure, such as the three elements contained in aluminum-copper-iron are metals, so the conductivity is excellent, but the aluminum-based intermetallic compound structure composed of these three elements has a conductivity of only about that of the metal. One in ten thousand, even the conductivity is lower than that of amorphous with similar composition, and the more perfect and defect-free the aluminum-based intermetallic compound structure is, the more perfect and defect-free, the lower the conductivity, which is just the opposite of the metal properties

Method used

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  • Method for covering the surface of food utensils with hydrophobic polymer metal composite film
  • Method for covering the surface of food utensils with hydrophobic polymer metal composite film
  • Method for covering the surface of food utensils with hydrophobic polymer metal composite film

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with specific examples.

[0036] Refer to attached Figure 1~5 , this embodiment includes the following steps:

[0037] 1. Material preparation

[0038] (a) Place the prepared food utensils 10 (the food utensils 10 may be made of metal plates such as aluminum-coated steel plates or stainless steel) in an oven at 300-450°C and bake at high temperature for about 10-30 minutes to Oil stains on the surface 11 of the food utensil 10 are removed. Then, sandblasting is carried out, food utensils 10 are placed in a sandblasting machine, sandblasting raw materials are loaded into the sandblasting machine, and the sandblasting air pressure is 2 ~ 5kg / cm 2 , sandblasting the surface 11 of the food utensil 10, so that the average roughness value of the surface 11 of the food utensil 10 is between 2 and 5 μm, so that the hydrophobic polymer / metal composite film 30 is easier to form and solidify on the food utens...

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Abstract

The invention relates to a method for covering the surface of a food utensil with a hydrophobic polymer metal composite film, comprising the following steps: a) a preparation step, providing a treated food utensil, a specific amount of polytetrafluoroethylene solution and a specific amount of aluminum base intermetallic compound powder; b) stirring and mixing step, stirring and mixing the polytetrafluoroethylene solution and the aluminum-based intermetallic compound powder to form a spray suspension; c) spraying step, spraying the spray suspension on the surface of the food utensil above, forming at least one coating on the surface of the food utensil; d) molding and curing step, heating and curing the coating of the food utensil to form a hydrophobic polymer / metal composite film; the invention provides a food utensil surface covered with a hydrophobic polymer The method of metal composite film makes the load-bearing surface of food utensils have many characteristics such as high hydrophobicity, high anti-sticking property and better surface wear resistance.

Description

technical field [0001] The present invention relates to a method for covering the surface of food utensils with a hydrophobic polymer metal composite film, in particular to a food utensil surface that can effectively improve the high hydrophobicity, high anti-sticking and excellent surface wear resistance of food utensils. processing technology. Background technique [0002] PTFE coatings have been widely used in various food utensils, such as: cooking pots, frying pans, hamburger steak grills, pans, oven trays, baking trays, toast boxes, various pastry molds, pastry Food utensils such as molds, pie plates, pie plates, and food knives. Specifically, the polytetrafluoroethylene coating is directly sprayed on the bearing surface of the food utensils (such as the inner surface and bottom surface of the frame used to carry food; or the two knife faces of food knives), so that the surface of the food utensils forms a Non-stick layer, this method can make the surface of food ute...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05D5/00B05D7/14B05D7/00B05D3/02B05D3/12C09D127/18C09D7/61B22F9/08C22C1/04C22C21/12
Inventor 蔡德昌林永昌张志豪
Owner SAN NENG BAKE WARE WUXI
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