Fluorescent brighteners, methods of preparation thereof, fluorescent brightener compositions, and methods of preparation and uses thereof
View Patent ↗A compound of Formula (I) wherein R 1 , R 2 , and R 3 are independently at each occurrence hydrogen, a halogen, a cyano functionality, a C 1 -C 20 aliphatic functionality, a C 3 -C 10 cycloaliphatic functionality or a C 3 -C 20 aromatic functionality, with the proviso that R 2 and R 3 are not hydrogen when R 1 is a methyl or hydrogen; R 4 and R 5 are independently at each occurrence hydrogen, a halogen, a cyano functionality, a C 1 -C 20 aliphatic functionality, a C 3 -C 10 cycloaliphatic functionality or a C 3 -C 10 aromatic functionality; R 7 and R 8 are independently at each occurrence, a halogen, a cyano functionality, a C 1 -C 20 aliphatic functionality, a C 3 -C 10 cycloaliphatic functionality or a C 3 -C 10 aromatic functionality; R 6 is a C 2 -C 20 aliphatic functionality, a C 3 -C 10 cycloaliphatic functionality or a C 3 -C 20 aromatic functionality; and “n” and “m” are each independently integers having a value of 0 to 3.
1. A composition comprising:
a polymer component; and
a compound having Formula (II)
wherein “p” is an integer having a value of 2 to 4.
2. The composition of claim 1 , wherein “p” is an integer having a value of 2.
3. The composition of claim 1 , wherein “p” is an integer having a value of 3.
4. The composition of claim 1 , wherein “p” is an integer having a value of 4.
5. The composition of claim 1 , wherein the compound of Formula (II) is present in an amount of about 0.05 weight percent to about 20 weight percent, based on the total weight of the composition.
6. The composition of claim 1 , wherein the polymer component comprises a polycarbonate.
7. An article comprising the composition of claim 1 .
8. A composition comprising:
a polymer component; and
a compound having Formula (III)
9. The composition of claim 8 , wherein the compound of Formula (II) is present in an amount of about 0.05 weight percent to about 20 weight percent, based on the total weight of the composition.
10. The composition of claim 8 , wherein the polymer component comprises a polycarbonate.
11. An article comprising the composition of claim 8 .