City building waste alcohol-based casting coating and preparation method of city building waste alcohol-based casting coating
A foundry coating and production method technology, which is applied to casting molding equipment, coatings, molds, etc., can solve the problems of inability to meet large-scale industrial production, single function of alcohol-based foundry coatings, and low resistance to metal scouring. Enhance the technical indicators of each phase, good heat insulation effect and easy drying effect
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[0014] The alcohol-based casting coating for urban construction waste is characterized in that it is made of the following raw materials in parts by weight: quartz tailings 75, high alumina cement 17, magnesium oxide 1, iron oxide 2, slag 1, petroleum coke 5 , MCA flame retardant 0.36, styrene-acrylic emulsion 0.7, urban construction waste 8, phenolic resin 4, hexamethylenetetramine 5, ethanol 45, additive 3.
[0015] The auxiliary agent is made of the following raw materials in parts by weight: shell 23, sepiolite 39, zircon 57, silane coupling agent KH-5703.4, dimethyl silicone oil 0.4, ferrocene 3.2, iron oxide powder 2, Coal tar 3, calcium lignosulfonate 0.3, nano silicon carbide powder 0.3, calcium carbonate 2.3, polyvinyl alcohol 5, appropriate amount of water, the preparation method is to put shells, sepiolite and zircon into a calciner at 550 Calcined at -680°C for 2-3 hours, took it out, soaked it in 8-12% hydrochloric acid solution for 4-5 hours, filtered it out, was...
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