Phosphono-phosphate containing compounds and polymers

Patent metadata

Field	Value
Publication number	US-11046798-B2
Application number	US-201816215699-A
Country	US
Kind code	B2
Filing date	Dec 11, 2018
Priority date	Dec 11, 2017
Publication date	Jun 29, 2021
Grant date	Jun 29, 2021

Abstract

Disclosed are novel phosphono-phosphate compounds, monomers, and polymer compositions that have targeted uses with divalent cations and surfaces having divalent cations. These compounds can be used to deliver actives to surfaces such as calcium hydroxyapatite.

First claim

What is claimed is:

1. A polymer having a structure of Formula 16:

wherein:
R 1 is selected from the group consisting of —H and —CH 3 ;
R 2 is selected from the group consisting of —H, alkyl, alkanediyl-alkoxy, Na, K, Ca, Mg, Mn, Zn, Fe, or Sn cation, amine cation, and a structure of Formula 2:

wherein:
δ is a site of attachment to Formula 16,
R 5 and R 6 are independently selected from the group consisting of —H, alkyl, alkanediyl-alkoxy, Na, K, Ca, Mg, Mn, Zn, Fe, or Sn cation, and amine cation;

R 3 is selected from the group consisting of —H, alkyl, alkanediyl-alkoxy, Na, K, Ca, Mg, Mn, Zn, Fe, or Sn cation, amine cation salt, and a structure of Formula 3:

wherein:
δ is the site a site of attachment to Formula 16,
R 7 , and R 8 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, and
n is an integer from 1 to 22;

R 4 is selected from the group consisting of —H, alkyl, alkanediyl-alkoxy, Na, K, Ca, Mg, Mn, Zn, Fe, or Sn cation, and amine cation;
R 18 is a chemical group resulting from polymer initiation;
R 19 is a chemical group resulting from chain termination;
M 2 is selected from the group consisting of a chemical bond and a post polymerization residue of one or more co-monomers;
m is an integer from 2 to 450; and
L is selected from the group consisting of a chemical bond, arenediyl, and a structure of Formula 4:

wherein:
α is a site of attachment to an alkylene diradical;
β is the site a site of attachment to a phosphono-phosphate radical;
X is selected from the group consisting of the structures represented by Formulas 5-11;

wherein:
 R 9 is selected from the group consisting of —H, alkyl(C 1-8 ), phosphonoalkyl, and phosphono(phosphate)alkyl; and
Y is selected from the group consisting of alkanediyl, alkoxydiyl, alkylaminodiyl, and alkenediyl.

2. The polymer of claim 1 wherein R 2 has a structure of Formula 2:

wherein:
δ is the site a site of attachment to Formula 16; and
R 5 and R 6 are independently selected from the group consisting of —H, alkyl, alkanediyl-alkoxy, Na, K, Ca, Mg, Mn, Zn, Fe, or Sn cation, and amine cation salt.

3. The polymer of claim 1 wherein R 3 has a structure of Formula 3:

wherein:
δ is a site of attachment to Formula 16,
R 7 , and Rx are independently selected from the group consisting of —H, alkyl, alkanediyl-alkoxy, Na, K, Ca, Mg, Mn, Zn, Fe, or Sn cation, and amine cation, and
n is an integer from 1 to 3.

4. The polymer of claim 1 wherein L has a structure of Formula 4:

wherein:
α is a site of attachment to an alkylene diradical;
β is the site of attachment to a phosphono-phosphate radical;
X is selected from the group consisting of structures:

wherein:
R 9 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.

5. The polymer of claim 1 wherein R 18 is selected from the group consisting of structures:

wherein:
R 20 is selected from the group consisting of —H, Na, K and amine cation;
τ is the site of attachment to polymer backbone; and
Q is a non-olefin residue of a monomer used in polymerization.

6. The polymer of claim 5 wherein Q has a structure of Formula 22:

wherein κ denotes a site of attachment to Formula 21.

7. The polymer of claim 1 wherein M 2 is a polymerization residue of one or more co-monomers having a structure of Formula 23:

wherein:
R 21 is selected from the group consisting of —H or —CH 3 ;
Q 1 is a non-olefin residue of a co-monomer used in polymerization; and
p is an integer from 1 to 450.

8. The polymer of claim 1 wherein R 19 is —H.

9. The polymer of claim 1 wherein R 19 is another polymer chain with a head to head attachment.

10. The polymer of claim 1 wherein:
R 1 is H;
L is a covalent bond;
R 2 , R 3 , and R 4 are independently selected from the group consisting of H, Na, K and amine cation;
R 18 has a structure of Formula 21:

wherein:
τ is a site of attachment to polymer backbone; and
Q has a structure of Formula 22:

wherein κ denotes a site of attachment to Formula 21; and

R 19 is H.

Assignees

• Procter & Gamble

Inventors

• West Ryan M
• Cron Scott Leroy

Classifications

• C08F220/585

  and containing other heteroatoms, e.g. 2-acrylamido-2-methylpropane sulfonic acid [AMPS] · CPC title

• C08F220/382

  and containing oxygen, e.g. 2-sulfoethyl (meth)acrylate · CPC title

• C08F8/40

  Introducing phosphorus atoms or phosphorus-containing groups · CPC title

• C08F6/04

  Fractionation · CPC title

• A61Q11/00

  Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses · CPC title