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ASA super weather resistant functional film is a new type of film material that can be laminated on synthetic resin tiles, plastic steel tiles, decorative panels and other surfaces. Compared with the traditional ASA, the surface of the PVC material is covered by the co-extrusion process, and the surface of the product is uniform and free from scratches. The surface gloss is high, fine and smooth, the product color is easier to replace, the thickness is uniform, the operation is simple, the waste is less, and the product does not need to be dried, which fundamentally solves the defects in the traditional co-sending environment and reduces the production cost. ASA super weather-resistant functional film can also be covered with the adhesive material to cover the surface of the steel plate material, completely solve the corrosion problem of the steel plate, and has broad application prospects.
A new type of cement grinding aid was synthesized from triisopropanolamine, diethanolamine, acrylic acid, HPEG400 and other raw materials. The effect of grinding aid, physical and mechanical properties and hydration products on titanium slag cement was tested.
Through the combination of TIPA and molasses, the enhanced grinding aid was studied, its grinding effect and reinforcing effect were tested, and the grinding mechanism and strengthening mechanism were discussed. The results showed that TIPA combined with molasses could make the specific surface area
Diethanol monoisopropanolamine was produced in the 1990s and is a non-toxic, skin-irritating product that is less irritating to triethanolamine and environmentally friendly alkanamines. It is mainly used as a surfactant. In the fields of cement grinding aids, daily chemical products and fabric softe
The effect of the combination of TEA and TIPA on Portland cement is similar to the superposition of the effects of the two monomer grinding aids alone, and there is no change in the hydration product due to the composite, and the hydration process is not significantly changed
Granulated blast furnace slag has high potential activity, but poor grindability. At present, the technology of cement grinding aids has been workable, but there are few systematic studies on granulated blast furnace slag grinding aids. In view of this, this article mainly studied nine kinds of aids such as triisopropanolamine, triethanolamine, glycerin, ethylene glycol, ethyl acetate, diethylene glycol, anhydrite, hemihydrate gypsum, and dihydrate gypsum.
TEA) polymerization to obtain intermediate M, and then with isoprenol polyoxyethylene ether (TPEG), acrylic acid (AA) polymerized under aqueous conditions to obtain polycarboxylic acid - Alkanolamine cement grinding aids,
Triisopropanolamine (TIPA) is one of the commonly used components of cement grinding aids. At present, TIPA has studied the strength and hydration properties of Portland cement and Portland cement containing fine limestone particles. However, TIPA's research on the hydration mechanism of limestone portland cement and its effect on the micro structure of Portland cement and limestone portland cement hardened paste is not comprehensive enough. Therefore, this paper focuses on the experimental research on the strength, hydration process and micro structure of hardened slurry of Portland cement and limestone Portland cement.
The cleanliness of the composite surface of ASA film and PVC substrate, such as dust, oil, impurities, etc., directly affects the adhesive fastness, and thus requires that the ASA film be free of dust, dirt, and other dirt. PVC substrate without impurities, no unplasticized particles. When the ASA film and the metal material are combined, the metal material is desmeared with a cleaning liquid and then cleaned with water. Therefore, when the equipment is purchased, a sheet cleaning system is required.