Patent ID: 6841645

Claim:
Polyorganosiloxanes (POSs) comprising siloxane units having the following formula R 1 3 SIO—[SiR 2 2 O] m —[Sir 2 EO] n —[Sir 2 GO] 0 —SiR 3 3 (II) wherein E, which is identical or different, is a monovalent functional substituent selected from the group consisting of (cyclo)aliphatic hydrocarbonaceous groups, aromatic, hydrocarbonaceous groups and heterocyclic hydrocarbonaceous groups, carrying one or more functional group Fpo of the following formula, wherein X is hydrogen, a halogen atom, or a cation forming a salt with the acyl peroxide anions, G, which is identical or different, is a functional substituent comprising one or more Fpo-stabilizing functional group Fstab, which are identical to or different from one another, capable of bonding via weak bonds with the Fpo functional group, the concentration {Fpo} of Fpo functional groups, expressed by the ratio { Fpo } = Fpo ⁢ ⁢ number Total ⁢ ⁢ number ⁢ ⁢ of ⁢ ⁢ silicon ⁢ ⁢ atoms ⁢ ⁢ in ⁢ ⁢ the ⁢ ⁢ POS , is greater than 0, and the concentration {T and/or Q} as mol %, of units selected from the group consisting of T units and Q units, is from 0 to 20, T units being defined as siloxane units wherein a+b+c=1, R 1 and R 3 , which are identical or different, are hydrogen, a hydroxyl or a monovalent a hydrocarbonaceous group, R 2 , which is identical or different, is hydrogen, hydroxyl, or a monovalent a hydrocarbonaceous group, wherein 3≦m+n+o≦50, 1≦m≦100, 1≦n≦10, and 1≦o≦10.