A two-component diatom mud water-based coating with zero voc emission
一种泥水性、双组分的技术,应用在防污/水下涂料、涂层、含杀生剂的油漆等方向,能够解决缩减硅藻泥性能、材料匹配不合理等问题
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Embodiment 1
[0027] A kind of far-infrared ceramic powder X is prepared by the following method:
[0028] (1) Preparation of mixture granules: in parts by weight, 9 parts of scandium oxide (800 orders), 6 parts of silicon dioxide (800 orders), 9 parts of aluminum oxide (800 orders), 14 parts of cerium oxide ( 800 mesh), 70 parts of water are added to the ball milling equipment for ball milling for 6 hours, then the discharge is added, sprayed and granulated, and the particle diameter is 20 mesh, and the granules with a water content of 8% are obtained;
[0029] (2) Sintering: under the pressure of 30MPa, the pellets in step (1) are pressed into plates by dry pressing, and then in a tubular kiln, a weak reducing atmosphere (90% volume fraction of N 2 with 10% volume fraction of H 2 Uniform gas mixture), calcined at 1500°C for 5h, and then cooled to room temperature to obtain a dense plate;
[0030] (3) Crushing: The dense version was crushed, milled with zirconium beads for 48 hours, and ...
Embodiment 2
[0032] A kind of far-infrared ceramic powder Y is prepared by the following method:
[0033] (1) Preparation of mixture granules: in parts by weight, 6 parts of transition metal oxide, 8 parts of silicon dioxide (800 mesh), 9 parts of alumina (800 mesh), 11 parts of cerium oxide (800 mesh) ), 60 parts of water are added to the ball milling equipment for ball milling for 5h, then the discharge is added, sprayed and granulated to obtain granules with a particle diameter of 20 orders and a water content of 12%;
[0034] (2) Sintering: under the pressure of 30MPa, the pellets in step (1) are pressed into plates by dry pressing, and then in a tubular kiln, a weak reducing atmosphere (90% volume fraction of N 2 with a volume fraction of 10% H 2 Uniform gas mixture), calcined at 1400°C for 8 hours, and then cooled to room temperature to obtain a dense plate;
[0035] (3) Crushing: The dense plate was crushed, milled with zirconium beads for 48 hours, and passed through a 1200-mesh ...
Embodiment 3
[0037] A kind of far-infrared ceramic powder Z is prepared by the following method:
[0038] (1) Preparation of mixture granules: in parts by weight, 5 parts of scandium oxide (800 mesh), 5 parts of silicon dioxide (800 mesh), 5 parts of aluminum oxide (800 mesh), 10 parts of cerium oxide ( 800 mesh), 50 parts of water are added to the ball milling equipment for ball milling for 4h, then the discharge is added, sprayed and granulated, and the particle diameter is 20 mesh, and the granules with a water content of 8% are obtained;
[0039] (2) Sintering: under the pressure of 30MPa, the pellets in step (1) are pressed into plates by dry pressing, and then in a tubular kiln, a weak reducing atmosphere (90% volume fraction of N 2 with 10% volume fraction of H 2 Uniform gas mixture), calcined at 1400°C for 5h, and then cooled to room temperature to obtain a dense plate;
[0040] (3) Crushing: the dense version was crushed, milled with zirconium beads for 48 hours, and passed thro...
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