Preparation method of organic modified hectorite for W/W multicolor coating protection glue
A technology of multi-color coatings and organic modifiers, applied in the direction of multi-color effect coatings, coatings, etc., can solve the problems of development and application limitations, inability to spray, roll, dip, and expensive, etc., and achieve simple preparation process , raw material prices are low, and the effect of broad economic prospects
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Embodiment 1
[0029] (1) First mix 0.05kg sodium tripolyphosphate and 1kg laponite evenly, then add 3kg ionized water and stir thoroughly to obtain a laponite suspension with a solid content of 25%;
[0030] (2) Add 0.03kg of cetyltrimethylammonium chloride to 0.3kg of deionized water at 60°C, and stir well until completely dissolved to form an organic modification solution;
[0031] (3) Add the organic modification solution obtained in step (2) to the hectorite suspension obtained in step (1) at one time, react at 80°C for 3 hours under fully stirred state, cool to room temperature and then centrifuge , washed with deionized water, dried at 150°C for 4 hours, crushed and passed through a 300-mesh sieve to obtain organically modified hectorite product 1.
Embodiment 2
[0033] (1) First, mix 0.02kg sodium pyrophosphate, 0.4kg sodium hexametaphosphate and 1kg laponite evenly, then add 2kg ionized water and stir thoroughly to obtain a hectorite suspension with a solid content of 33%;
[0034] (2) Add 0.03kg of tetramethylammonium chloride and 0.01kg of dodecyltrimethylammonium chloride to 0.3kg of deionized water at a temperature of 65°C and stir until completely dissolved to form an organic modification solution;
[0035] (3) Add the organic modification solution obtained in step (2) to the hectorite suspension obtained in step (1) at one time, react at 85°C for 3 hours under full stirring, cool to room temperature and then centrifuge , washed with deionized water, dried at 145°C for 3 hours, crushed and passed through a 300-mesh sieve to obtain organically modified hectorite product 2.
Embodiment 3
[0037] (1) First, mix 0.01kg sodium pyrophosphate and 1kg hectorite evenly, then add 1kg ionized water and stir thoroughly to obtain a hectorite suspension with a solid content of 50%;
[0038](2) Add 0.01kg of octadecyltrimethylammonium bromide to 0.1kg of deionized water at a temperature of 50°C, and stir until it is completely dissolved to form an organic modification solution;
[0039] (3) Add the organic modification solution obtained in step (2) to the hectorite suspension obtained in step (1) at one time, react at 60°C for 1 hour under fully stirred state, cool to room temperature and then centrifuge , washed with deionized water, dried at 140°C for 5 hours, crushed and passed through a 300-mesh sieve to obtain organically modified hectorite product 3.
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