Siloxane containing macromonomers and dental composites thereof

A macromonomers comprising:

• 14 15
• wherein
• R is a residue derived from a diepoxide and having a formula selected from the group consisting of i, ii, iii, iv as follows:
• 16
• whereby X is C(CH3)2, —CH2—, —O—, —S—, —CO—, —SO2—;
• R1 denotes hydrogen or a substituted or unsubstituted C1 to C18 alkyl, C5 to C18 substituted or unsubstituted cycloalkyl, substituted or unsubstituted C5 to C18 aryl or heteroaryl,
• R2 is a difunctional substituted or unsubstituted C1 to C18 alkylene, C2 to C12 alkenyl, C5 to C18 substituted or unsubstituted cycloalkylene, C5 to C18 arylene or heteroarylene,
• R3 denotes a substituted or unsubstituted C1 to C18 alkyl, C2 to C12 alkenyl, C5 to C18 substituted or unsubstituted cycloalkyl, C6 to C12 aryl or C7 to C12 aralkyl, or a siloxane moiety 1, II or Ill
• 17
• R4 is a substituted or unsubstituted C6 to C12 arylene
• R5 is a difunctional substituted or unsubstituted C1 to C18 alkylene, C2 to C12 alkenyl, C5 to C18 substituted or unsubstituted cycloalkylene, C5 to C18 arylene or heteroarylene, preferably CH2CH2CH2,
• R6 denotes a substituted or unsubstituted C1 to C18 alkyl, substituted or unsubstituted C1 to C18 alkylenoxy, C2 to C12 alkenyl, C5 to C18 substituted or unsubstituted cycloalkyl, C6 to C12 aryl or C7 to C12 aralkyl,
• M is a siloxane moiety 1, II or III or it is a protection groups for hydroxylic moieties selected from the group consisting of an ether, an ester or a urethane group;
• R5 is a difunctional substituted or unsubstituted C1 to C18 alkylene, C2 to C12 alkenyl, C5 to C18 substituted or unsubstituted cycloalkylene, C5 to C18 arylene or heteroarylene,
• R6 denotes a substituted or unsubstituted C1 to C18 alkyl, C2 to C12 alkenyl, substituted or unsubstituted C1 to C18 alkylenoxy, C5 to C18 substituted or unsubstituted cycloalkyl, C6 to C12 aryl or C7 to C12 aralkyl, and n is an integer.