I have prepared PMMA-toluene solution and now i have to add sio2 particles into it with different concentration, before adding sio2 particles it’s surface need to be modified. So , how can sio2 particles be modified???it is solution to coat on glass substrate for antireflection coating.
You need to change the surface chemistry of silica nanoparticles by attaching requisite functional groups by chemical based processing. You will find lot much of literature on functionalization of silica nanoparticles.
Please, review some of my ex-team publications related to this topic:
1) Functionalization with amine-containing organosilane of mesoporous silica MCM-41 and MCM-48 obtained at room temperature
February 2014 Ceramics International 40(7)
DOI: 10.1016/j.ceramint.2014.02.051
2) Effect of silica source on the synthesis and properties of polysulfone/silica composite membranes for gas separation
February 2018. Revista mexicana de ingeniería química 17(2):693-705. DOI: 10.24275/uam/izt/dcbi/revmexingquim/2018v17n2/Castruita
3) Synthesis of amino-functionalized MCM-48 silica via direct co-condensation at room temperature. December 2015. Microporous and Mesoporous Materials 204:156-162. DOI: 10.1016/j.micromeso.2014.11.023
4) Production of Micrometer-Sized Composite Polymer-Magnetic Spheres Using as Precursor Metallurgical Wastes.
April 2014. Polymers and Polymer Composites 22(4):369-374.
DOI: 10.1177/096739111402200404
Kind Regards,
Yibran.
I agree with Y. A. Perera-Mercado, since PMMA have COOH functional groups. Attaching amine groups on the silica nanopartcles should work. Easiest route should be to functionalize silica nanopartcles with amino silane.
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