Mixed Hybrid Organic-Inorganic Systems

Since the strategy was initially based on catalytic purposes, the surfaces considered initially were mostly (i) highly divided oxides (here are included simple oxides, mixed oxides, zeoUtic materials, mesoporous systems, hybrid organic inorganic materials, metal organic frameworks, etc.) and (ii) highly divided metals (supported or unsupported small metal particles). 

Fig. 11. Automotive finishes such as that on the Honda Civic have depth, luster and environmental resistance that is the result of a complex mixture of hybrid organic-inorganic materials cured into mixed graft interpenetrating polymer network systems.

Organic polymer matrix when combined with inorganic particles has been developed in past decades as a method for preparing organic-inorganic hybrid materials. These materials possess unique properties including improved physical, mechanical and thermal properties of the polymer systems. Material properties of physically mixed components depend on the concentration of the particle, its adhesion to polymer matrix, the uniformity of particle dispersion, etc. In the past... 

Among the countless concepts that Linus Pauling introduced from Quantum Mechanics into chemistry[l,2], and that became standard principles of the trade, there is the idea of hybridization . In the framework of the valence-bond description of a system, it is useful to mix atomic orbitals of the same n-quantum number , or of similar spatial extent, to construct directed, asymmetric atomic contributions. Although hybrids are not needed in an LCAO-MO description of the system, they have so much become part of the language of both organic and inorganic chemistry, that people will go out of their way to arrive at descriptions that are compatible with them. 

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