Gamma ray-sensitive phthalocyanine compound of poly cross-linking type and ink composition comprising the same
View Patent ↗The present invention relates to phthalocyanine compound of poly cross-linking type which is represented with the below formula 1 and is useful for preventing forgery and alternation due to a rapid velocity being responded to a gamma ray of Neutron, and an ink composition comprising it. wherein, M 1 and M 2 are any one selected from a group consisted of a metal, a metal oxide or a metal halide respectively and may be same or different, R is a hydrogen atom, a halogen atom, a hydroxyl group, an amino group, a hydroxysulfonyl group, an aminosulfonyl group, or an alky group having a substituent group having from 1 to 20 carbon atoms, and n is an integer of 0˜3.
1. Gamma ray-sensitive poly cross-linking phthalocyanine compound represented by the below formula 1:
wherein, M 1 and M 2 are each a metal or a metal oxide selected from the group consisting of samarium, europium, rubidium, cesium, gadolinium, and dysprosium;
R is a hydrogen atom, a halogen atom, a hydroxyl group, an amino group, a hydroxysulfonyl group, an aminosulfonyl group, or an alky group having a substituent group having from 1 to 20 carbon atoms; and
n is an integer of 0˜3.
2. Gamma ray-sensitive poly cross-linking phthalocyanine compound according to claim 1 , wherein M 1 and M 2 are each dysprosium and R is a hydrogen atom in the formula 1, represented by the formula 2 below:
wherein, n is an integer of 0˜3.
3. Gamma ray-sensitive poly cross-linking phthalocyanine compound according to claim 1 , wherein M 1 and M 2 are each gadolinium and R is a hydrogen atom in the formula 1, represented by the formula 3 below:
wherein, n is an integer of 0˜3.
4. Gamma ray-sensitive poly cross-linking phthalocyanine compound according to claim 1 , wherein M 1 is cesium and M 2 is rubidium and R is a hydrogen atom in the formula 1, represented by the formula 4 below:
wherein, n is an integer of 0˜3.
5. An ink composition comprising a sensitive agent for a gamma ray, wherein said sensitive agent for a gamma ray is the poly cross-linking phthalocyanine compound according to claim 1 .
6. An ink composition according to claim 5 , wherein said poly cross-linking phthalocyanine compound is contained of 0.01˜5 weight part against 100 weight part of a total ink composition.
7. An ink composition according to claim 6 , wherein the said ink composition is a dye ink for inkjet printing.
8. An ink composition according to claim 6 , wherein the said ink composition is a pigment ink for inkjet printing.
9. An ink composition according to claim 6 , wherein the said ink composition is a screen printing ink.