Novel water-soluble polymer capable of selectively recognizing mercury ion as well as preparation method and application thereof
A water-soluble polymer, mercury ion technology, applied in the application field of selective identification of mercury ions, can solve the problems of complex synthesis, cumbersome detection procedures, low solubility of porphyrin, etc., and achieves simple polymerization method, easy subsequent treatment process, Simple and convenient method
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Embodiment 1
[0048] A kind of synthetic method of novel water-soluble polymer, comprises the following steps:
[0049] In a 15mL reaction bottle, add tetraphenylporphyrin monomer AOTPP (18.7mg), water-soluble acrylamide monomer AM (177.7mg), initiator AIBN (4.2mg), and 7mL toluene, stir to mix Uniform; Nitrogen gas was introduced for 20 minutes to remove oxygen in the reaction system; after degassing, the reaction bottle was sealed and placed in a constant temperature water bath for polymerization. The polymerization temperature was 60°C and the polymerization time was 12 hours.
[0050] After the polymerization, the reaction system was added dropwise into 200 mL of acetone and methanol mixed solvent under rapid stirring. After standing still for 10 min, the supernatant was poured out, and the remaining mixture was suction-filtered to obtain a powdery filter cake. The obtained solid was redissolved in a small amount of pure water, and the above-mentioned sedimentation process was repeated...
Embodiment 2
[0054] Same as Example 1, except that the initiator is azobisisoheptanonitrile (V-65).
Embodiment 3
[0056] Same as Example 1, except that the initiator is azobisisopropylimidazoline (VA-061).
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