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Functionality means in chemistry the presence of functional groups in a molecule. In organic chemistry (and other fields of chemistry) ''functionality ''of a molecule has a decisive influence on its reactivity. In polymer chemistry the ''functionality'' of a monomer means its number of polymerizable A monofunctional molecule possesses one function, a difunctional two, a trifunctional three, etc. == Functionality in organic chemistry and material science == In organic chemistry, functionality is often used as a synonym for functional group. For example a hydroxyl group can also be called a HO-function.〔Kurt Peter C. Vollhardt, Neil Eric Schore: ''Organische Chemie'', S. 73 ().〕〔Riedel: ''Moderne Anorganische Chemie'' von Christoph Janiak, S. 401 ().〕 ''Functionalisation ''means the introduction of functional groups, for example * the functionalisation of a surface〔Alexander Langner, Anthony Panarello, Sandrine Rivillon, Oleksiy Vassylyev, Johannes G. Khinast, Yves J. Chabal: ''Controlled Silicon Surface Functionalization by Alkene Hydrosilylation'', J. Am. Chem.〕 (e. g. silanization for the specific modification of the adhesion of a surface) * the functionalization of nanoparticles of a metal or metal oxide to stabilize such nanoparticles〔Marie-Alexandra Neouze, Ulrich Schubert: Surface Modification and Functionalization of Metal and Metal Oxide Nanoparticles by Organic Ligands, Monatsh.〕 or * the so-called C-H functionalization 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Functionality (Chemistry)」の詳細全文を読む スポンサード リンク
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