Characterization of Cobalt(II) Phthalocyanine Catalyst Incorporated into Poly(aminosiloxane) Matrices
Tóm tắt
Cobalt phthalocyanine (CoPc) has been incorporated into various polysiloxane matrices by adding CoPc to appropriate mixtures of tri- and tetra-alkoxysilanes during hydrolytic condensation. The matrices contained Si(CH2)3NH2 groups with alkyl or phenyl “spacer” groups between them. The cobalt content, the surface area and the pore volume all decrease as the spacer groups become larger. EPR and UV-visible spectroscopic data show that the CoPc is bound to the amine groups and that some are in the oxygenated form, (–NH2)CoPc–O2.
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