80results about How to "Good anti-sinking effect" patented technology

The invention discloses dielectric paste for a metal aluminum substrate thick film circuit and a preparation method thereof. The invention aims to prepare the dielectric paste matched with a metal aluminum substrate. The dielectric paste is characterized in that SiO2, Na2O, B2O3, K2O, BaO, CaO, Co2O3, TiO2, P2O5, V2O5, Sb2O3 and Cr2O3 are combined to prepare microcrystalline glass powder; and the microcrystalline glass powder and an organic binder which consists of terpinol, butyl carbitol, butyl carbitol acetate, tirbutyl citrate, 1,4-butyrolactone, nitroncellulose, ethyecellulose, hydrogenated castor oil and lecithin are put in a vessel for stirring and rolling by a three-roll roller mill in a weight ratio of the microcrystalline glass powder to the organic binder of 70-90 parts: 30-10 parts so as to prepare the finished product dielectric paste. The dielectric paste is mainly used as the dielectric paste of the thick film circuit formed by being printed on the metal aluminum substrate.

The invention relates to a large-power thick-film circuit resistor sizing agent based on a stainless steel substrate and a manufacturing method thereof. The invention provides a resistor sizing agent with a low resistance, excellent insulative performance, printing characteristic and burning characteristic, and which is matched with an insulated stainless steel substrate. The manufacturing method of the invention comprises: A, manufacturing glass powders; B, preparing an organic adhesive; C, concocting the sizing agent: concocting a solid component of silver powers, palladium powers and crystallite glass powers in proportion, arranging the solid component and the organic adhesive in a milling pot in proportion, and milling the solid component and the organic adhesive in the milling pot. The invention selects crystallite glass as binding phase, an expanding coefficient of a resistor track layer of the invention is matched and combined with a stainless steel well; the resistor track layer of the invention has advantages of low resistance, compatible with medium mateiral used of the thick film circuit of the stainless steel substrate and electrode sizing agent, and good conductive performance, etc.

The invention discloses a fixing device for a sea bottom survey device. The fixing device comprises lifting bolts, supporting legs, a fixed seat assembly, pull rods, an umbilical cable, first rotary shafts, an underwater camera, second rotary shafts, third rotary shafts, counterweight blocks, sensors, a steel wire protection net and an armor rod, wherein the underwater camera is reversely arranged in an inner cavity of the fixed seat assembly; the outer side of the umbilical cable is coated with the steel wire protection net; the armor rod is arranged on the steel wire protection net in a stretching-out manner; the armor rod is connected with the lifting bolts; the supporting legs are annularly and uniformly distributed at the periphery of the fixed seat assembly; the upper ends of the supporting legs are rotatably connected to the outer side of the upper part of the fixed seat assembly; one end of each pull rod is rotatably connected with the bottom of the fixed seat assembly and the other ends of the pull rods are rotatably connected with the supporting legs; the counterweight blocks are fixedly arranged at the lower parts of the supporting legs; the sensors are fixed on the supporting legs. According to the fixing device for the sea bottom survey device, disclosed by the invention, the underwater camera and a water quality sensor are arranged and fixed on a bracket so that the stability of the underwater camera and the water quality sensor is ensured and the impact resistance is improved; the fixing device is simple in structure, is foldable and is convenient to carry so that the fixing device is suitable for popularization and application.

The invention discloses water-based inkjet ink and a preparation method thereof. The ink is prepared from, deionized water, polyethylene glycol 200, a pigment, ethylene glycol dimethacrylate, ethyl methacrylate, neopentyl glycol diacrylate, lauryl alcohol polyoxyethylene, triethanolamine, polyoxyethylene polyoxypropylene pentaerythritol ether, ethylene bis stearamide, 4-[(4,6-bis(octylthio)-1,3,5-triazine-2-yl) amino]-2,6-ditert-butyl phenol, octyl methoxycinnamate, titanium dioxide and the like. The water-based inkjet ink has the advantages that the water-based inkjet ink meets the requirements of environmental protection, printing pollution is greatly reduced, the octyl methoxycinnamate and the titanium dioxide are added into the ink and are combined to form a protective film for ultraviolet light blocking on the dye surface layer of the ink, so that the ink does not fade under the outdoor light exposure, is resistant to scratching and is not easily oxidized, and output performed by using the ink does not need printing materials with special coatings.

The invention discloses special extinction powder for a water-based coating and a preparation method of the special extinction powder. The preparation method comprises the following steps: adding water and silicon dioxide powder into a reaction kettle, and adjusting the pH value of the solution to be 8-11 by using water glass I; uniformly stirring, and then adding water glass II and a sulfuric acid aqueous solution into the reaction kettle, wherein the concurrent flow time lasts for 30-120 min, and the concurrent flow temperature is 30-90 DEG C; after concurrent flow reaction is finished, adding a modification aid into the reaction kettle; adjusting the pH value of the solution in the reaction kettle to be 9, and then aging for 0.5-3 h at the temperature of 90 DEG C; adjusting the pH valueof the solution in the reaction kettle to be 2.5-3, and then reacting for 30 min to obtain a reaction product; and filtering the reaction product, washing the reaction product until the conductivityis less than 100 mu S, drying the reaction product at the temperature of 100-200 DEG C, and crushing the reaction product to obtain the special extinction powder for the water-based coating. The silicon dioxide extinction powder prepared by the invention has high compatibility with resin, and the water resistance and transparency of a water-based coating paint film are enhanced.

The invention discloses dielectric paste for a stainless steel thick film circuit and a preparation method of the dielectric paste. The dielectric paste comprises the following components in percentages by weight: 70-90% of a solid-phase component and 30-10% of an organic binder, wherein the organic binder comprises the following raw materials in percentages by weight: 80-98% of tributyl citrate,0.1-5% of hydrogenated castor oil, 0.5-10% of ethyecellulose, 0.1-10% of terpilenol and 0.1-5% of lecithin. The preparation method comprises the following steps of (A) preparing microcrystalline glasspowder; (B) preparing the organic binder; and (C) preparing the dielectric paste. The dielectric paste is high in puncture strength and good in insulating property, printing and sintering characteristics and environmental protection performance and has excellent thixotropy and anti-settling effect.

The invention discloses dielectric paste for a metal aluminum substrate thick film circuit and a preparation method thereof. The invention aims to prepare the dielectric paste matched with a metal aluminum substrate. The dielectric paste is characterized in that SiO2, Na2O, B2O3, K2O, BaO, CaO, Co2O3, TiO2, P2O5, V2O5, Sb2O3 and Cr2O3 are combined to prepare microcrystalline glass powder; and themicrocrystalline glass powder and an organic binder which consists of terpinol, butyl carbitol, butyl carbitol acetate, tirbutyl citrate, 1,4-butyrolactone, nitroncellulose, ethyecellulose, hydrogenated castor oil and lecithin are put in a vessel for stirring and rolling by a three-roll roller mill in a weight ratio of the microcrystalline glass powder to the organic binder of 70-90 parts: 30-10 parts so as to prepare the finished product dielectric paste. The dielectric paste is mainly used as the dielectric paste of the thick film circuit formed by being printed on the metal aluminum substrate.

The invention discloses a dielectric paste used for a high-power thick film circuit and a preparation method thereof. The invention aims at preparing a dielectric paste matched with a 304 or a 316 stainless steel base plate. The dielectric paste is characterized in that neoceramic glass powder consisting of SiO2, B2O3, Al2O3, BaO, CaO, MgO, ZrO2, Co2O3 and TiO2, and organic binder consisting of tributyl citrate, 1, 4-butyrolactone, nitroncellulose, hydrogenated castor oil and lecithin are put into a container according to the weight proportion that the ratio of the neoceramic glass powder andthe organic binder is 70-90 parts by weight to 30-10 parts by weight to be stirred, and then are milled by a three-high mill, so that the finished product dielectric paste is obtained. The invention is mainly used as the dielectric paste which forms the high-power thick film circuit on the 304 or the 316 stainless steel base plate.