A kind of flake nanomaterial for oil displacement
A nano-material and oil displacement technology, applied in chemical instruments and methods, drilling compositions, etc., can solve problems such as difficult production fluid treatment, mechanical and chemical degradation, and concentration drop, and achieve excellent water solubility and easy storage , the effect of reducing viscosity
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Embodiment 1
[0066] (1) Preparation of hydrophobic compounds
[0067] 3g (0.018mol) azobisisobutyronitrile, 1g (0.013mol) mercaptoethylamine, 4.5g (0.052mol) monomer A, 20g (0.108mol) monomer B (R 1 for H, R 2 is n-octyl), 3.5g (0.006mol) monomer C (C-1, a is 3), 1.5g (0.012mol) monomer D (R 4 N-propyl), 180g of dimethylformamide, were added to a four-neck glass bottle equipped with a stirrer, a nitrogen pipe, a spherical condenser and a thermometer, and stirred until all the raw materials were dissolved, then nitrogen gas was introduced for 30 minutes, and the polymerization temperature Control at 65°C, polymerize for 5 hours, wash the product with ethanol / water mixed solution, and distill off volatile components under reduced pressure at 50°C to obtain a hydrophobic compound;
[0068] The structural confirmation data of this compound are as follows figure 1 shown.
[0069] It can be seen from the figure that the product has a correct structure and is the target product.
[0070] (2)...
Embodiment 2
[0075] As described in Example 1, the difference is that the amount of azobisisobutyronitrile added in step (1) is 4 g.
Embodiment 3
[0077] As described in Example 1, the difference is that the addition of monomer A in step (1) is 7 g.
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