Plastic additive taking talcum powder as matrix and preparation method of plastic additive
A technology of talcum powder and additives, which is applied in the field of plastic additives, can solve the problems of low flexural modulus and tensile strength, and achieve the effects of improving mechanical properties, reducing interfacial energy, and improving binding force
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[0021] The preparation method of talcum powder base material, comprises the steps:
[0022] A. Take aluminum-magnesium hydrotalcite and add deionized water at a mass ratio of 1:5~6, heat up to 55~60°C and stir for 20~30 minutes, then add citric acid solution with 50~60% deionized water quality, stir and mix for 1 ~2h, filter, take the filter residue to dry, grind and pulverize, pass through a 200 mesh sieve, and collect the sieved particles;
[0023] B. Take the sieved particles and add ethanol with a mass fraction of 60% according to the mass ratio of 1:5~8, stir and mix at 65~70°C for 1~2h, then add dodecyl phosphoric acid which is 3~5 times the mass of the sieved particles Ester potassium salt, adjust the pH to 4~4.5, stir and mix at 65~75°C for 5~6h, filter with suction, take the residue A of the suction filter, wash with absolute ethanol, and dry to obtain the talcum powder base material.
[0024] The preparation method of plastic reinforcing agent comprises the steps: ...
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