Prepn process of naometer calcium carbonate with non-polar surface
A nano-calcium carbonate, non-polar technology, applied in the direction of calcium carbonate/strontium/barium, etc., can solve the problems of poor interfacial adhesion, high surface energy of nano-calcium carbonate, difficult nano-dispersion, etc.
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[0020] The present invention will be further described below by specific examples.
[0021] The concentration ratio and related properties of the embodiments of the present invention are shown in Table 1. Wherein, comparative example 1 is nanometer calcium carbonate, and comparative example 2 is polypropylene, and the reactive monomer used in embodiment 3,4 is acrylic acid, and the reactive monomer used in embodiment 5-7 is respectively butyl acrylate, formazan methyl acrylate, maleic anhydride, and the initiator is BPO.
[0022] The preparation method of each embodiment is as described above in the Summary of the Invention.
[0023]
Example number
Nano CaCO3 / poly
Propylene / reactive monomer
/ initiator
(Concentration: g / L)
surface tension / color
Dispersion / Polarity
Part (mN / m)
at 500°C
weightless hundred
Ratio (wt
%)
crystallization temperature
(℃)
PUM
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