Nonionic functional vinyl chloride polymer and preparation method thereof
A vinyl chloride, non-ionic technology, applied in the field of non-ionic functionalized vinyl chloride polymer and its preparation, can solve the problems of limited application scope, inability to achieve hydrophilicity, low component content and the like
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Embodiment 1
[0127] Synthesis of non-ionic functionalized vinyl chloride polymer P1:
[0128] Add 2000ml deionized water, additive polyvinyl alcohol (PVA) 1.2g, additive hydroxypropyl methylcellulose (HPMC) 0.4g, initiator peroxydicarbonate bis(2-ethylhexyl) in the stainless steel reaction kettle (EHP) 1g, evacuated and nitrogen filled repeatedly 3 times, then added 1500g of vinyl chloride, 3g of hydroxyethyl acrylate and 46g of allyl 2-bromo-2-methylpropionate, and pre-dispersed and stirred at room temperature for 30 minutes. The temperature was raised to a polymerization temperature of 47° C. to carry out a polymerization reaction. React for 12 hours, stop heating when the pressure drop in the kettle reaches 0.2MPa, vacuumize for 10 minutes, let in air for 5 minutes, vacuumize and fill with nitrogen three times, then add 22g of methylolacrylamide, 5g of copper, chlorinated chlorinated Copper 5g, 2,2'-bipyridine (bpy) 16g, then control the temperature at 60°C, and react for 24 hours. The...
Embodiment 2
[0142] Synthesis of non-ionic functionalized vinyl chloride polymer P2:
[0143] Referring to Example 1 for the synthesis process of P2, the formula and process parameters are shown in Table 1 and Table 2 respectively.
[0144] The P2 structure and performance characterization methods are the same as those in Example 1. The general formula of the P2 structural formula is the same as that of P1, wherein the parameters in the general formula are as shown in Table 3; the molecular weight and molecular weight distribution of P2 are as shown in Table 4; 5.
Embodiment 3
[0146] Synthesis of non-ionic functionalized vinyl chloride polymer P3:
[0147] The synthesis process of P3 refers to Example 1, and the formula and process parameters are shown in Table 1 and Table 2 respectively.
[0148] The P3 structure and performance characterization methods are the same as those in Example 1. The general formula of the P3 structural formula is the same as that of P1, wherein the parameters in the general formula are as shown in Table 3; the molecular weight and molecular weight distribution of P3 are as shown in Table 4; 5.
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