A modified resin material for purifying domestic water and its preparation method
The technology of modified resin and modifier is applied in the field of modified resin material for purifying domestic water and its preparation, which can solve the problems of high fluorine content, unsatisfactory purification effect, difficult treatment, etc. Fields of application and added value, responsive effects
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Embodiment 1
[0030] Mix 94% of polypropylene copolymer, 5% of purification modifier, 0.5% of phenolic heat stabilizer 1010 (Ciba SC), and 0.5% of processing aid calcium stearate in proportion, then add bismuth with an aspect ratio of 38:1 Screw extruder, processing temperature of each section: zone 1 180°C, zone 2 180°C, zone 3 185°C, zone 4 185°C, zone 5 190°C, zone 6 190°C, zone 7 190°C, zone 8 190°C, A modified resin material for purifying domestic water can be obtained by melt extrusion and granulation under the conditions of 190°C in the ninth zone and a screw speed of 250r / min.
[0031] Wherein the purification modifying agent preparation process is as follows:
[0032] Add 200g of divinylbenzene and vinylphenyl-N,N,N-trimethylammonium hydroxide polymer into 6000mL of distilled water at room temperature and stir for 18 hours with a concentration of 2mol / LH 2 SO 4 Adjust the pH of the solution to 1.8; 300g Zr(SO 4 ) 2 4H 2 O was added to the above solution, stirred and reacted fo...
Embodiment 2
[0034] After mixing 90.4% of homopolypropylene, 8% of purification modifier, 0.8% of phenolic heat stabilizer 1076 (Ciba SC), and 0.8% of processing aid calcium stearate, add the Twin-screw extruder, processing temperature of each section: Zone 1 190°C, Zone 2 190°C, Zone 3 190°C, Zone 4 195°C, Zone 5 195°C, Zone 6 195°C, Zone 7 200°C, Zone 8 200°C 1. Under the conditions of 200°C in the ninth zone and 250r / min screw speed, melt extrusion and granulation can obtain a modified resin material for purifying domestic water.
[0035] Wherein the purification modifying agent preparation process is as follows:
[0036] Add 100g of divinylbenzene and vinylphenyl-N,N,N-trimethylammonium hydroxide polymer into 2500mL of distilled water at room temperature and stir for 16 hours, with a concentration of 1.5mol / L H 2 SO 4 Adjust the pH of the solution to 1.6; 180g Zr(SO 4 ) 2 4H 2 O was added to the above solution, stirred and reacted for 4 hours at 28°C, adjusted the pH of the soluti...
Embodiment 3
[0038]Mix 45.2% of copolymerized polypropylene, 50% of homopolypropylene, 4% of purification modifier, 0.4% of phosphite heat stabilizer 168 (Ciba SC), and 0.4% of zinc stearate, a processing aid, and add in proportion A twin-screw extruder with a length-to-diameter ratio of 40:1, the processing temperature of each section: 190°C for the first zone, 190°C for the second zone, 195°C for the third zone, 195°C for the fourth zone, 200°C for the fifth zone, 200°C for the sixth zone, 200°C for the seventh zone Zone 210°C, Zone 8 210°C, Zone 9 210°C, and screw speed 250r / min under the conditions of melt extrusion and granulation to obtain a modified resin material for purifying domestic water.
[0039] Wherein the purification modifying agent preparation process is as follows:
[0040] Add 300g of divinylbenzene and vinylphenyl-N,N,N-trimethylammonium hydroxide polymer into 6600mL of distilled water at room temperature and stir for 20 hours, with a concentration of 2.5mol / L H 2 SO ...
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