| 摘要 |
<p>PURPOSE:To obtain the subject composition, containing a near infrared ray absorber, having a specific integrated value of absorbance, reading optical information from OCR, OMR, bar code reader, etc., and preparing information recording media capable of reading information. CONSTITUTION:The objective composition which is a composition for optical reading, containing at least a near infrared ray absorber and having an integrated value of absorbance at 380-700nm of a film obtained from the composition of <=35% based on the integrated value of absorbance at 380-1100nm. Furthermore, a colorant is preferably added to the above-mentioned composition.</p> |
