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39 results about "Methylethyl ketoxime" patented technology

Ultraviolet curing coating capable of being used on surfaces of plastic and stone and preparation method thereof

The invention discloses an ultraviolet curing coating capable of being used on surfaces of plastic and stone. The ultraviolet curing coating capable of being used on the surfaces of plastic and stone is characterized by being prepared from the following raw materials in parts by weight: 20-25 parts of bisphenol A epoxy acrylate, 30-35 parts of polyester acrylate, 10-12 parts of hydroxyethyl acrylate, 6-9 parts of hydroxyethyl methylacrylate, 3-5 parts of photoinitator 2959, 10-13 parts of neopentyl glycol dicarylate, 9-11 parts of cresyl glycidyl ether, 1-2 parts of sodium hexametaphosphate, 1-2 parts of methyl ethyl ketone, 3-5 parts of titanium dioxide, 1-2 parts of grape seed oil, 4-6 parts of barite powder and 4-5 parts of auxiliary agent. The ultraviolet curing coating capable of being used on the surfaces of the plastic and stone is added with a natural antioxidant ingredient of grape seed oil, the anti-aging property of the ultraviolet curing coating can be enhanced, and the ultraviolet curing coating is safe and non-toxic; an auxiliary agent is added, so that the ultraviolet curing coating is uniformly dispersed, the curing speed is high, a film can be rapidly formed, the surface hardness of the film is high, the glossiness is good, the hiding power is high, the film is uniform, and the ultraviolet curing coating has good adhesion property and can be rapidly adhered on the surfaces of plastic and stone.
Owner:佛山市海而斯涂料有限公司

Efficient deoxidizing agent for boiler feed water and preparation method and application of efficient deoxidizing agent

PendingCN109928447AToxic solutionSolve the pollution of the environmentWater/sewage treatment by degassingGas phaseTetramethyl-p-phenylenediamine
The invention relates to an efficient deoxidizing agent for boiler feed water and a preparation method and application of the efficient deoxidizing agent. The efficient deoxidizing agent is prepared from the raw materials in percentage by weight: 8-15% of organic amine modified lignin, 10-18% of erythorbic acid, 2-4% of polyepoxysuccinic acid, 1-3% of polyaspartic acid, 4-6% of a pH regulator,0.4-0.8% of tetramethyl p-phenylene diamine, 0.2-0.4% of carbohydrazide, 0.1-0.4% of methyl ethyl ketoxime, and the balance of water. The deoxidizing agent can be used for water treatment for a steam boiler, a hot water boiler, a heating system and a water feeding pipeline. Compared with the prior art, the organic amine modified lignin and the erythorbic acid are jointly used as a deoxidant, the organic amine modified lignin has the effect of adsorbing oxygen and can reduce dissolved oxygen in water and assist the erythorbic acid to form a protective oxide layer on the metal surface, at differenttemperatures of boiler water, the concentration of a deoxidizing agent system in the gas phase/liquid phase can be balanced, the oxygen-removing corrosion inhibition effect is improved, and the corrosion problem of boilers, pipelines and heat exchangers is solved.
Owner:汇科琪(天津)水质添加剂有限公司

Thermosetting composition, paint finishing method and method for producing a painted article

The present invention relates to a thermosetting composition characterized in that it contains (A) a polyester resin of number average molecular weight 1,000-10,000, hydroxyl value 5-200 mg KOH / g and, (B) 0.5-2.0 equivalents relative to the hydroxyl groups of the aforesaid component (A) of a compound (B) which is a blocked aliphatic isocyanate compound having reactivity with the hydroxyl groups of component (A), wherein the blocking is with methyl ethyl ketoxime and / or ε-caprolactam, (C) 0.05-5 parts by weight of a bismuth compound, per 100 parts by weight of total resin solids of component (A) and component (B), and (D) 0.5-50 parts by weight of an organosilicate represented by the following general formula (I) and / or a condensation product thereof, relative to 100 parts by weight of total resin solids of component (A) and component (B) wherein R1, R2, R3 and R4 in the formula each mean hydrogen atom or 1-10 carbon organic group, and can be the same or different, n is 1. By using the thermosetting, not only does stain resistance appear a short time after painting, but also excellent stain resistance is maintained for a long period, which fulfil the paint film performance requirements for painted steel sheet such as water resistance and bending workability and which have high environmental protection qualities and safety.
Owner:AKZO NOBEL COATINGS INT BV
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