A kind of water-based true-color imitation stone non-stick coating for cooking utensils and preparation method thereof
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A non-stick coating, water-based technology, applied in fireproof coatings, multi-color effect coatings, coatings, etc., can solve the problems of poor adhesion of coatings to substrates, easy to fall off, single color of non-stick cookware, etc., to achieve strong adhesion , The effect of simple preparation process
Active Publication Date: 2020-04-10
HANGZHOU JIHUA POLYMER MATERIAL CO LTD
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[0004] However, most of the imitation stone coatings on the market are aimed at architectural coatings. This type of coating has poor adhesion to the substrate and is easy to fall off under high heat conditions. Moreover, its raw materials contain many harmful substances to the human body, so they cannot be used directly. At the same time, the color of the non-stick cookware on the market is single, which cannot meet the customer's requirements for the decorative performance of the cookware
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[0045] The preparation method of the present invention is:
[0046] (1) Add pigments, fillers, and dispersants into the color tank, mix them evenly, then add them into a grinder, and grind them to a fineness of less than 20 μm to obtain a color paste.
[0047] (2) Add the deionized water and the pigment dispersion glue into the dispersion tank, stir and mix well to obtain the pigment dispersion glue solution. Among them, the deionized water and the pigment dispersion glue need to be fully mixed, the stirring speed is 800-1200 rpm, and the stirring time is 30 minutes.
[0048] (3) Fully mix the deionized water, thickener and pH regulator, the speed is 800-1200 rpm, and the stirring time is 30 minutes, so as to create a stable environment for the subsequent addition of raw materials. Finally, add film-forming aids, preservatives, antifungal agents, polyethersulfone resins, fluororesins, polyperfluoroethylene propylene, and defoamers, and stir evenly at high speed (800-1200 rpm)...
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Abstract
The invention relates to the field of coating, and discloses a water-based true color imitation stone non-sticking coating for cooking utensils. The coating is prepared from, by weight, 6-10 parts of fluororesin, 13-18 parts of bonding resin, 20-30 parts of pigment dispersing glue, 3-10 parts of pigment, 8-20 parts of filler, 6-10 parts of interlayer bonding agent, 0.2-0.5 part of pH modifier, 2-4 parts of preservative, 0.2-0.9 part of thickening agent, 0.1-0.5 part of dispersant, 0.1-0.2 parts of defoaming agent, 0.2-0.4 parts of coalescing agent, 0.1-0.2 part of mildew preventive, and 55-70 parts of deionized water. According to the water-based true color imitation stone non-sticking coating for cooking utensils, innovative adjustments are made on the formulation of true color imitation stone coating, meanwhile resin with non-sticking property and adhesive property is added, so that the coating has wear-resistance, safety, boiling-resistance, heat-resistance and non-stickiness properties, and can be used in non-sticking cooking utensils.
Description
technical field [0001] The invention relates to the field of coatings, in particular to a preparation method of a water-based non-stick true-color stone imitation coating applicable to cooking utensils such as frying pans, baking pans, and iron pans. Background technique [0002] The decorative effect of imitation stone coating is similar to that of marble and granite, which can give people a sense of elegance, solemnity and harmony. Compared with natural stone, imitation stone coating has the advantages of light weight, convenient construction, and wide application range. The more people love it. At present, stone-like coatings are mostly used for building exterior walls, and through certain technologies, stone-like coatings are endowed with properties such as heat insulation, fire prevention, anti-graffiti, anti-ultraviolet rays, and sterilization. [0003] For example, the Chinese patent with the application number CN201610758878.0 discloses a water-based imitation stone...
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