abstract |
The invention relates to a reflective film, which is characterized in that the reflective film has an ABA three-layer structure, wherein the A layer is a support layer, and the B layer is a reflective layer, and the reflective film is stretched at a temperature of 90°C-130°C The strength is greater than or equal to 50Mpa, and the elongation at break is greater than or equal to 40%. The invention also provides a preparation method of the reflective film. |