1, mixing: When mixing with an open mill, it is best to equip the opener roller with a dust or air blower to reduce the flying of the silica. During the mixing process, no other ......
2019-07-10UV-cured nano-coatings combine UV-curing green technology with emerging nano-technology to make certain properties of coatings significantly improved. Wei Jun et al. synthesized urethane terminat......
2019-07-10The viscosity of the urethane acrylate oligomer is high, which is not conducive to the preparation and construction of the coating, and its application range is limited. Hyperbranched polymer is a ma......
2019-07-10The waterborne urethane acrylate contains a large amount of reactive groups to impart good flexibility and cohesiveness to the cured film, but at the same time, mechanical properties, solvent resistan......
2019-07-101 Waterborne urethane acrylate Water-based UV-curable urethane acrylate (WPUA) replaces the reactive diluent monomer in traditional UV-curable coatings with water, and solves the problems of irrita......
2019-07-101.3.1 Solution polymerization The reaction of isocyanate and hydroxyl groups in the synthesis of urethane acrylates is strongly exothermic, and the exothermic problem of the reaction can be controlle......
2019-07-101.1 Reaction mechanism of urethane acrylate The isocyanate contains highly unsaturated double bonds and its electronic resonance structure is shown in Figure 1. As can be seen from Figure 1, ......
2019-07-10As the economy gets better and better, every household buys a car, and everyone buys the car that suits their level of consumption, but in the face of all kinds of invisible "killers" on the road, you......
2019-07-10Inorganic non-metallic materials based on silicon also have their own fatal shortcomings: poor toughness and brittleness; otherwise, organic polymer materials also have some disadvantages: easy to age......
2019-07-09Inorganic non-metallic materials based on silicon also have their own fatal shortcomings: poor toughness and brittleness; otherwise, organic polymer materials also have some disadvantages: easy to age......
2019-07-09advantage: 1) Wide application: Due to the special chemical structure of silicone oil, it is neither compatible with water or polar group-containing substances, nor compatible with hydrocarbons or ......
2019-07-09The simple dimethyl silicone oil has no defoaming effect, so it needs to be defoamed after emulsification. The surface tension of the emulsified silicone is rapidly reduced, and a small amount of foam......
2019-07-09Are you familiar with the application of medium viscosity dimethicone in creams, the application of high viscosity and ultra high viscosity dimethicone in hair care, and the application of low viscosi......
2019-07-09First, apply the best hydrophobic agent 1. Preparation of acid-resistant capsules 22.02kg of glycerin, 34.13kg of distilled water, 10kg of dimethyl silicone oil, 43.85kg of gelatin, dissolve......
2019-07-09■ Application in the field of cosmetics The application of silicone oil in the field of cosmetics, the United States began in the 1950s, Japan began in the 1960s, China began in the 70s, but in the p......
2019-07-09