Fireproof spraying powder, preparation method, preparation system and use method
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A technology of spraying powder and powder, which is applied in the direction of fireproof coatings, powder coatings, anti-corrosion coatings, etc. It can solve the problems of easy agglomeration of powder, high price, and increased cost, and achieve improved spraying conditions, low cost, and not easy to waste. Effect
Active Publication Date: 2019-10-15
深圳市锦耀达环保材料有限公司
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[0011] Although antimony trioxide has good fire resistance, it is expensive, which in
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preparation example Construction
[0074] The preparation technology of fireproof spraying powder comprises the following steps:
[0075] (1) Premixing, mixing the raw materials other than aluminum oxide evenly;
[0076] (2) Mixing and extrusion, put the uniformly mixed raw materials into the extruder for mixing, the mixing temperature is 100-120°C, and extrude the mixture fluid;
[0077] (3) cooling, cooling the extruded mixture fluid to room temperature to form a solid mixture;
[0078] (4) Pulverization, coarsely crush the solid obtained in (3) into particles with a particle size of 0.5-1cm; then finely process and grind it into powder; and sieve to obtain a powder coating with a particle size of 20-35μm.
[0079] (4) Medium and fine processing After grinding into powder, add aluminum oxide powder before sieving.
[0080] The method of using fireproof spraying powder comprises the following steps:
[0081] Step 1. Spray the fireproof spray powder evenly on the parts to be sprayed;
[0082] Step 2. Bake t...
Embodiment 6
[0084] Fireproof spraying powder, the difference between embodiment 6 and embodiment 4 is that the flame retardant filler also includes glass powder, ceramic powder, wherein Al(OH) 3 , glass powder and ceramic powder weight percentages are respectively 13.0%, 3.0%, 4.0%.
Embodiment 7
[0086] Fireproof spraying powder, the difference between embodiment 7 and embodiment 4 is that the auxiliary agent contains 5% bentonite by weight, and the rest is barium sulfate and pigment.
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Abstract
The invention relates to the technical field of powder paint, in particular to a fireproof spraying powder, a preparation method, a preparation system and a use method. The raw materials include, by weight percentage, 50-60% of polyester resin, 3-5% of a polyester resin curing agent, benzoin or polypropylene wax (scratch resistance), 1% of a leveling agent, 0-20% of titanium dioxide, 10-40% of flame retardant filler, and the balance auxiliary agent. Specifically, the flame retardant filler includes Al(OH)3, and has a particle size of 3000 meshes or below; the auxiliary agent includes pigment;and the raw materials also include 0.1-1% of aluminum oxide powder. Tests indicate that the powder prepared from the above raw materials has good fire resistance and weather resistance, and also has good adhesion; the adding of the aluminum oxide powder greatly reduces the agglomeration phenomenon of the newly produced powder in the placing cooling process and improves the product quality, and atthe same time the powder does not agglomerate easily in the storage process.
Description
technical field [0001] The invention relates to the technical field of powder coatings, in particular to a fireproof spraying powder, a preparation method, a preparation system and a use method. Background technique [0002] With the development of the Internet, more and more people start to shop online, but the delivery time is relatively random, and it is difficult to receive express delivery at any time, so express cabinets came into being. The courier can leave the courier at any time by placing the courier in the courier cabinet; the picker can also scan the mobile phone or enter the pickup code to take out the courier at any time, which is very convenient; and in order to improve the firmness of the courier cabinet, the courier cabinet is generally Made of metal materials, but express cabinets are generally placed outdoors and need to experience a long period of wind, sun and rain; and there are many sweat stains on the hands of couriers and pickers, which are also pro...
Claims
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