Articles comprising benzopyran colorants, method of manufacture, and method of use
View Patent ↗An article comprising the compound of Formula (I) wherein X is hydrogen or a radical of Formula (II), R 1 independently at each occurrence is a C 1 -C 20 aliphatic radical, a C 3 -C 10 cycloaliphatic radical, or a C 3 -C 10 aromatic radical; R 2 , R 3 , R 4 and R 5 are independently at each occurrence a halogen, a nitro group, a cyano group, a hydroxy group, a C 1 -C 20 aliphatic radical, a C 3 -C 20 cycloaliphatic radical, or a C 6 -C 20 aromatic radical; and “n”, “q”, and “p” are each independently integers having a value of 0 to 3, and “m” is an integer having a value of 0 to 4.
1. An article comprising the compound of formula(I)
wherein
X is hydrogen or a radical of Formula (II)
R 1 independently at each occurrence is a C 1 -C 20 aliphatic radical, a C 3 -C 10 cycloaliphatic radical, or a C 3 -C 10 aromatic radical;
R 2 , R 3 , R 4 and R 5 are independently at each occurrence a halogen, a nitro group, a cyano group, a hydroxy group, a C 1 -C 20 aliphatic radical, a C 3 -C 20 cycloaliphatic radical, or a C 6 -C 20 aromatic radical; and
“n”, “q”, and “p” are each independently integers having a value of 0 to 3, and “m” is an integer having a value of 0 to 4.
2. The article of claim 1 , further comprising a polymer.
3. The article of claim 1 , further comprising a thermoplastic polymer.
4. The article of claim 3 , wherein the thermoplastic polymer comprises a polycarbonate, a polyester, a polyimide, or a combination comprising at least one of the foregoing polymers.
5. The article of claim 3 , wherein thermoplastic polymer comprises a polycarbonate.
6. The article of claim 2 , wherein R 1 independently at each occurrence is a C 1 -C 10 aliphatic radical, a C 3 -C 10 cycloaliphatic radical, or a C 6 -C 10 aromatic radical; R 2 , R 3 , R 4 and R 5 are independently at each occurrence a halogen, a nitro group, or a cyano group; and “n”, “q”, “m”, and “p” are each independently integers having a value of 0 to 2.
7. The article of claim 6 , wherein each R 1 is the same, and is an unsubstitiited C 1 -C 6 aliphatic radical; R 2 and R 3 are independently at each occurrence a halogen, a nitro group, or a cyano group; and “n”, “p”, and “q” are each 0 or 1; and “m” is 0.
8. The article of claim 7 , wherein each R 1 is ethyl and “n”, “m”, “q”, and “p” are each 0.
9. The article of claim 2 , comprising the compound of formula (I) in an amount of about 1 part per billion to about 20 percent by weight, based on the weight of the polymer.
10. The article of claim 2 , comprising the compound of formula (I) in an amount of about 1 parts per million to about 0.2 weight percent, based on the weight of the polymer.
11. The article of claim 2 , wherein the article is an eyewear product.
12. The article of claim 2 , wherein the article is a medical device.
13. The article of claim 2 , wherein the article is a secure document.
14. The article of claim 13 , wherein the secure document is a passport, an ID card, or a credit card.
15. The article of claim 2 , wherein the article is a data storage media substrate.
16. The article of claim 2 , wherein the article is packaging material.
17. The article of claim 16 , wherein the packaging material is a drug packaging material.
18. The article of claim 2 , wherein the article is an automotive part, a telecommunication accessory, a computer, a consumer electronic, or a construction material.
19. The article of claim 2 , wherein the article is a film or a sheet.
20. The article of claim 19 , wherein the film or sheet is a component of a display.