| abstract |
The present invention includes the composition comprising active substance, described active substance has the active substance of group that can be covalently bound with substrate in the presence of acids and bases, the photocatalyst that can generate acid or alkali when rayed and carrier.Also comprise the method with these compositions-treated substrates herein.Said method comprising the steps of: in substrate, use the active substance that at least one has functional group, photocatalyst is used in substrate, then described photocatalyst is contacted with light with at least one active substance, thus formed covalently bound between functional group on the substrate and component part.Composition as herein described and method can be used for the application of consumer care products and personal care product. |