Fluorine-containing bi-functional microspheres and application thereof
A functional, microsphere technology, applied in the direction of coatings, special surfaces, devices for coating liquids on surfaces, etc., can solve problems that no one has reported, such as not easy to fall off and deform, improve stability, and be super-hydrophobic. The effect of oil performance
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Embodiment 1
[0052] 1. Preparation of fluorine-containing bifunctional polymer microspheres
[0053] The materials used below are from:
[0054] Monomers hydroxyethylene acrylate (HEA), methyl methacrylate (MMA) and ethylene glycol dimethacrylate (EGDMA) were purchased from Aldrich and purified by vacuum distillation before use. Monomer acrylic acid, ethylene glycol diester 2-chloropropionate was reported by literature (Ming, W.; Wu, D.; van Benthem, R.; de With, G. Nano Lett. 2005, 5: 2298-2301) method of preparation. Azobisisobutyronitrile (AIBN) was purchased from Fisher Corporation and purified by recrystallization in ethanol before use. Others were actually purchased from Aldrich Company, without special treatment before use.
[0055] The preparation steps of fluorine-containing bifunctional polymer microspheres are as follows:
[0056] Under stirring, in the there-necked flask of 500 milliliters, gradually add the mixture of 130 milliliters of distilled waters, 4.80 grams (48.0 m...
Embodiment 2
[0069] 1. Preparation of block copolymers
[0070] The materials used below are from:
[0071] (3-(triisopropoxysilyl))propylene methacrylate (IPSMA) was reported by literature (Ozaki, H.; Hirao, A.; Nakahama, S. Macromolecules 1992, 25:1391-1395.) prepared by the method;
[0072] (Heptadecafluorooctyl)ethylene methacrylate (F 8 h 2 MA) was purchased from Aldrich Company, and the literature (Ishizone, T.; Sugiyama, K.; Sakano, Y.; Mori, H.; Hirao, A.; Nakahama, S. Polymer Journal 1999, 31: 983 -988.) report method vacuum distillation purification;
[0073] Tert-butyl acrylate (tBA) is purchased from Aldrich Company, and is purified by underpressure distillation before use;
[0074] The preparation steps of fluorine-containing bifunctional silicon spheres are as follows:
[0075]Polymer poly(3-(triisopropoxysilyl))propylene methacrylate-block-poly(heptadecafluorooctyl)ethylene methacrylate (PIPSMA-b-PF8H 2 MA) and poly(3-(triisopropoxysilyl))propylene methacrylate-block-...
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