Preparation of an inorganic substrate having antimicrobial properties
申请人:Mutin Hubert
公开号:US08586758B2
公开(公告)日:2013-11-19
The invention relates to a process for modifying an inorganic substrate, directed toward giving it antimicrobial properties, said process consisting in grafting in one or more steps onto a surface of said substrate groups with intrinsic antimicrobial properties or groups capable of releasing species with antimicrobial properties. The grafting is performed by means of an organophosphorus coupling agent.
A subject of the invention is similarly a substrate obtained by this process, as well as diverse uses of such a substrate.
申请人:COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
公开号:US20150299367A1
公开(公告)日:2015-10-22
A process for the radical grafting of a graft to a diene elastomer, comprising the following stages:
a. dissolving, with stirring, at least one diene elastomer and at least one thiol derivative as graft in a solvent comprising a mixture of at least one polar solvent and at least one nonpolar solvent,
b. heating the homogeneous reaction mixture obtained in the preceding stage to the temperature of the grafting reaction, and
c. once the temperature of the grafting reaction has been reached, adding the radical initiator in order to bring about the grafting of the graft to the units of the elastomer comprising unsaturations.
This radical grafting process makes it possible to achieve high grafting yields which can reach 100%.