Fibrous structures comprising a surface softening composition

1. A fibrous structure comprising papermaking fibers, and comprising a surface comprising a surface softening composition comprising a glyceride copolymer having formula (I):

wherein:

each R 1 , R 2 , R 3 , R 4 , and R 5 in the glyceride copolymer is independently selected from the group consisting of an oligomeric glyceride moiety, a C 1-24 alkyl, a substituted C 1-24 alkyl wherein the substituent is one or more —OH moieties, a C 2-24 alkenyl, or a substituted C 2-24 alkenyl wherein the substituent is one or more —OH moieties; wherein each of the following combinations of moieties may each independently be covalently linked:

R 1 and R 3 ,

R 2 and R 5 ,

R 1 and an adjacent R 4 ,

R 2 and an adjacent R 4 ,

R 3 and an adjacent R 4 ,

R 5 and an adjacent R 4 , or

any two adjacent R 4 ;

such that the covalently linked moieties form an alkenylene moiety;

each X 1 and X 2 in said glyceride copolymer is independently selected from the group consisting of a C 1-32 alkylene, a substituted C 1-32 alkylene wherein the substituent is one or more —OH moieties, a C 2-32 alkenylene or a substituted C 2-32 alkenylene wherein the substituent is one or more —OH moieties;

two of G 1 , G 2 , and G 3 are —CH 2 —, and one of G 1 , G 2 , and G 3 is a direct bond;

for each individual repeat unit in the repeat unit having index n, two of G 4 , G 5 , and G 6 are —CH 2 —, and one of G 4 , G 5 , and G 6 is a direct bond, and the values G 4 , G 5 , and G 6 for each individual repeat unit are independently selected from the values of G 4 , G 5 , and G 6 in other repeating units;

two of G 7 , G 8 , and G 9 are —C 2 —, and one of G 7 , G 8 , and G 9 is a direct bond;

n is an integer from 3 to 250;

with the proviso for each of said second glyceride copolymers at least one of R 1 , R 2 , R 3 , and R 5 or at least one R 4 in one individual repeat unit of said repeat unit having index n, is selected from the group consisting of: 8-nonenyl; 8-decenyl; 8-undecenyl; 8-dodecenyl; 8,11-dodecadienyl; 8,11-tridecadienyl; 8,11-tetradecadienyl; 8,11-pentadecadienyl; 8,11,14-pentadecatrienyl; 8,11,14-hexadecatrienyl; 8,11,14-octadecatrienyl; 9-methyl-8-decenyl; 9-methyl-8-undecenyl; 10-methyl-8-undecenyl; 12-methyl-8,11-tridecadienyl; 12-methyl-8,11-tetradecadienyl; 13-methyl-8,11-tetradecadienyl; 15-methyl-8,11,14-hexadecatrienyl; 15-methyl-8,11,14-heptadecatrienyl; 16-methyl-8,11,14-heptadecatrienyl; 12-tridecenyl; 12-tetradecenyl; 12-pentadecenyl; 12-hexadecenyl; 13-methyl-12-tetradecenyl; 13-methyl-12-pentadecenyl; and 14-methyl-12-pentadecenyl.

2. The fibrous structure of claim 1 , wherein the glyceride copolymers has a weight average molecular weight of from 4,000 g/mol to 150,000 g/mol.

3. The fibrous structure according to claim 1 , wherein for said glyceride copolymer, at least one of R 1 , R 2 , R 3 , R 4 , or R 5 is a C 9-13 alkenyl.

4. The fibrous structure according to claim 1 , wherein for the glyceride copolymer, R 1 is a C 1-24 alkyl or a C 2-24 alkenyl.

5. The fibrous structure according to claim 1 , wherein for the glyceride copolymer, R 2 is a C 1-24 alkyl or a C 2-24 alkenyl.

6. The fibrous structure according to claim 1 , wherein for the glyceride copolymer, R 3 is a C 1-24 alkyl or a C 2-24 alkenyl.

7. The fibrous structure according to claim 1 , wherein for the glyceride copolymer, each R 4 is independently selected from a C 1-24 alkyl and a C 2-24 alkenyl.

8. The fibrous structure according to claim 1 , wherein for the glyceride copolymer, R 5 is a C 1-24 alkyl and a C 2-24 alkenyl.

9. The fibrous structure according to claim 1 , wherein the surface softening composition further comprises a surface softening agent selected from the group consisting of: silicones, quaternary ammonium compounds, and mixtures thereof.

10. The fibrous structure according to claim 1 , wherein the fibrous structure further comprises a lotion composition.

11. The fibrous structure according to claim 1 , wherein the fibrous structure is a through-air-dried fibrous structure.

12. The fibrous structure according to claim 1 , wherein the fibrous structure is a dried fibrous structure.

13. The fibrous structure according to claim 1 , wherein the fibrous structure is belt creped.

14. The fibrous structure according to claim 1 , wherein the fibrous structure is fabric creped.

15. The fibrous structure according to claim 1 , wherein the fibrous structure comprises animal fibers, mineral fibers, plant fibers, or mixtures thereof.

16. The fibrous structure according to claim 1 , wherein the fibrous structure exhibits a Slip Stick Coefficient of Friction of less than 360, as measured according to the Slip Stick Coefficient of Friction Test Method.

17. The fibrous structure according to claim 1 , wherein the fibrous structure exhibits an average TS7 Softness Value of less than 9 as measured according to the Softness Test Method.

18. A single- or multi-ply sanitary tissue product comprising a fibrous structure according to claim 1 .

19. The sanitary tissue product according to claim 18 , wherein the sanitary tissue product is toilet paper.