Oral care compositions comprising phosphono-phosphate and anionic group containing polymers

An oral care composition comprising a polymer comprising a phosphono-phosphate group and an anionic group, wherein said polymer has the structure:

• wherein:
• R1 is selected from the group consisting of —H, alkyl, alkanediyl-alkoxy, metal salt having Na, K, Ca, Mg, Mn, Zn, Fe, or Sn cation, amine cation salt, and a structure of Formula 2:
• wherein:
• θ is the site of attachment to Formula 23,
• R4 and R5 are independently selected from the group consisting of —H, alkyl, alkanediyl-alkoxy, metal salt having Na, K, Ca, Mg, Mn, Zn, Fe, or Sn cation, and amine cation salt;
• R2 is selected from the group consisting of —H, alkyl, alkanediyl-alkoxy, metal salt having Na, K, Ca, Mg, Mn, Zn, Fe, or Sn cation, amine cation salt, and a structure of Formula 3:
• wherein:
• θ is the site of attachment to Formula 23,
• R6, and R7 are independently selected from the group consisting of —H, alkyl, alkanediyl-alkoxy, metal salt having Na, K, Ca, Mg, Mn, Zn, Fe, or Sn cation, and amine cation salt, and
• n is an integer from 1 to 22;
• and
• R3 is selected from the group consisting of —H, alkyl, alkanediyl-alkoxy, metal salt having Na, K, Ca, Mg, Mn, Zn, Fe, or Sn cation, and amine cation salt, and said anionic group is covalently bound to the polymer backbone, side group, or side chain and is selected from the chemical group consisting of phosphate, phosphonate, phosphinate, sulfate, sulfonate, sulfinate, mercapto, carboxylate, hydroxyamino, amine oxide, and hydroxamate,
• R8 is selected from the group consisting of —H and —CH3;
• L1 is selected from the group consisting of a chemical bond, arenediyl, and a structure of Formula 5:
• wherein:
• α is the site of attachment to the polymer backbone;
• β is the site of attachment to the phosphono-phosphate;
• X is selected from the group consisting of the structures in Formulas 6-12;
• wherein:
• R9 is selected from the group consisting of —H, alkyl(C1-8), phosphonoalkyl, and phosphono(phosphate)alkyl;
• and
• Y is selected from the group consisting of alkanediyl, alkoxydiyl, alkylaminodiyl and alkenediyl,
• R11 is selected from the group consisting of —H and —CH3;
• δ is the site of attachment to the anionic group;
• L3 is selected from a chemical bond, arenediyl, and a structure of Formula 15;
• wherein:
• γ is the site of attachment to the polymer backbone;
• δ is the site of attachment to the anionic group;
• W is selected from the structures in Formulas 16-22:
• wherein:
• R12 is selected from the group consisting of —H and alkyl(C1-8);
• and
• V is selected from the group consisting of alkanediyl, alkoxydiyl, alkylaminodiyl or alkenediyl;
• R13 is a chemical group resulting from polymer initiation;
• R14 is a chemical group resulting chain termination;
• m is an integer from 2 to 450;
• and
• p is an integer from 2 to 450.