Semi-organic-semi-inorganic silicon steel plate coating liquid used for welding, and preparation method and applications thereof
A semi-inorganic and silicon steel sheet technology, applied in the field of semi-organic-semi-inorganic silicon steel sheet coating and preparation, can solve the problems affecting the efficiency of acid rolling line operation and roll consumption, difficult to meet the individual needs of users, etc., and achieve excellent comprehensive performance , Improvement of mechanical stability, effect of stress relief annealing
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[0036] The semi-organic-semi-inorganic silicon steel sheet coating solution with good weldability provided by the present invention is composed of inorganic components, organosilicon modified acrylic acid emulsion, silane polymer, ethylene glycol, and defoamer in a mass ratio of (8~ 24): 1: (0.1 ~ 0.8): (0.1 ~ 1): (0.01 ~ 0.05) composition, the specific ratio of each embodiment is shown in Table 1; the inorganic components include magnesium oxide 1 ~ 8 parts, 14 to 29 parts of chromic anhydride, 0.1 to 0.8 parts of boric acid and 50 to 95 parts of water, the specific proportions are shown in Table 2; the organosilicon-modified acrylic emulsion is polydimethylsiloxane according to 2% mass ratio It is added to pure acrylic emulsion for polycondensation, wherein the mass ratio of hard monomer methyl methacrylate, soft monomer ethyl acrylate and crosslinking monomer N-methylol acrylamide in pure acrylic emulsion is 48:49:3 , the emulsifier is a complex of 0.5 parts of sodium laury...
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