Borate and near-infrared ray absorption material

Details Borate and near-infrared ray absorption material Borate and near-infrared ray absorption material

2011-02-15

2011-02-15

Xu, Ling (Department: 1784)

Stock material or miscellaneous articles

Surface property or characteristic of web, sheet or block

C428S913000, C428S432000, C524S183000, C252S587000, C568S001000, C568S016000, C564S008000

Reexamination Certificate

active

07887920

ABSTRACT:
A borate for a near-infrared ray absorption material, having an anion represented by the formula (1): [BR1mR24-m]−(wherein R1represents an aryl group having an electron withdrawing group; R2represents an organic group, a halogen group or a hydroxyl group; and m is an integer in the range of 1 to 4) is provided. The borate of the present invention enables to improve durability, in particular, heat resistance and moisture resistance of a near-infrared ray absorbing dye.

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