Modified calcium carbonate with excellent acid resistance and preparation method thereof
A calcium carbonate, acid-resistant technology, applied in chemical instruments and methods, fibrous fillers, coatings, etc., can solve the problems of uneven polymer dispersion, poor direct application effect, interface defects, etc., and achieve good adsorption. , Good surface decoration, good light resistance
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[0012] specific implementation plan
[0013] The present invention will be described in detail below through specific examples.
[0014] A modified calcium carbonate with excellent acid resistance and a preparation method thereof, which is prepared from the following raw materials in parts by weight (kg): calcium carbonate 150, sodium oleate 46, sodium dodecylbenzenesulfonate 0.5, sodium bicarbonate 2. Styrene 7, potassium persulfate 0.03, fumed silica 4, organic bentonite 3, zirconium tetrafluoride 2, epoxy castor oil 2, sodium tripolyphosphate 2, shell powder 4, deionized water in proper amount;
[0015] A kind of modified calcium carbonate with excellent acid resistance and preparation method thereof of the present invention is made by the following specific steps:
[0016] (1) Dissolve sodium oleate with deionized water to make a 1% sodium oleate aqueous solution, stir electrically for 10 minutes and raise the temperature to 60°C, add calcium carbonate and stir for 1.5 ho...
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