Polyphenylamine composition with clay ore as carrier and its preparing process
A technology of clay minerals and composite materials, which is applied in the field of polyaniline composite materials and preparation, can solve the problems of complicated process, high cost, and obstruction of polyaniline, and achieve the effects of wide application prospects, simple synthesis process, and wide source of raw materials
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example 1
[0026] 1) Add water to the separated and purified montmorillonite and stir evenly to make 1000ml of a suspension with a concentration of about 10%;
[0027] 2) Add 25ml of aniline to 1), and stir evenly;
[0028] 3) under the condition of constant stirring, add 40.7g p-toluenesulfonic acid in 2);
[0029] 4) Under the condition of constant stirring, slowly drop 250ml of 1mol / l ammonium persulfate solution into 3);
[0030] 5) react at room temperature for 12 hours, stirring constantly;
[0031] 6) The product is dehydrated by centrifugation, washed 4 times, and dehydrated again;
[0032] 7) Add 1% of the dispersant sodium triphosphate to the resultant of step 6, add water and stir to make a 20% ore slurry, and select appropriate spray drying equipment for drying. , the outlet temperature does not exceed 80°C, and a powder with a water content of less than 10% is obtained for use.
example 2
[0034] 1) Separate and purify the palygorskite, add water and stir evenly to make 1000ml of a suspension with a concentration of about 10%;
[0035] 2) Add 10ml of aniline to 1), and stir evenly;
[0036] 3) under the condition of constant stirring, add 35g12-alkylbenzenesulfonic acid in 2);
[0037] 4) Under the condition of constant stirring, slowly drop 100ml of 1mol / l potassium persulfate solution into 3);
[0038] 5) react at room temperature for 10 hours, stirring constantly;
[0039] 6) The product is dehydrated by centrifugation, washed 4 times, and dehydrated again;
[0040] 7) Add 2% of the dispersant sodium triphosphate to the resultant of step 6, add water and stir to make a 20% ore slurry, select appropriate spray drying equipment for drying, and the air inlet temperature of the spray dryer should be controlled within the range of 120-180°C , the outlet temperature does not exceed 80°C, and a powder with a water content of less than 10% is obtained for use.
example 3
[0042] 1) Add water and stir the kaolinite after separation and purification to make a suspension with a concentration of about 10% 1000ml;
[0043] 2) Add 10ml of aniline to 1), and stir evenly;
[0044] 3) under the condition of constant stirring, add 25g camphorsulfonic acid in 2);
[0045] 4) Under the condition of constant stirring, slowly drop 100ml of 1mol / l potassium dichromate solution into 3);
[0046] 5) react at room temperature for 12 hours, stirring constantly;
[0047] 6) The product is filtered or centrifugally dehydrated, washed 4 times, and dehydrated again;
[0048] 7) Add 2% of the dispersant sodium triphosphate to the resultant in step 6), add water and stir to make a suspension for use.
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