| 摘要 |
<p>PURPOSE: An IR(Infrared Ray)-reflective composition is provided to form an IR-reflective film which is useful for manufacturing a solar cell module. CONSTITUTION: An IR-reflective composition comprises a polymer particle with a Vicker scale hardness of 100-700 Kgf/mm^2 and an average particle diameter of 0.5-15 microns, and a film-forming polymer with a Tg of 80 deg. C or less. The composition has an average refractivity difference between the polymer particle and the film-forming polymer measured at 400-800 nm is 0.02 or less, and an average refractivity difference between the polymer particle and the film-forming polymer measured at 800-2,500 nm is at least 0.04. The polymer particle has a refractivity of 1.57-1.63.</p> |
