Kuraray Co., Ltd. today announced the development of a new hard acrylic film using its polymer synthesizing and alloy manufacturing technologies to curb whitening.
Acrylic films boast excellent transparency, weather resistance and scratch resistance. Given such characteristics, annual global sales are anticipated to be approximately 5,000 tons, mainly for use as reinforced weather-resistant film and decorative film. In addition, the demand for acrylic film is increasing approximately 5% every year (Kuraray estimation).
Based on characteristics such as high toughness and resistance to whitening from stress, SO Film can be applied to deep-draw molds. Therefore, through the promotion of further product and market development activities, Kuraray anticipates the possibility of wide applications for this new hard acrylic film, including use as decorative film for automobiles and for electronic appliances such as mobile phones and laptop computers as well as construction materials. In addition, Kuraray is engaging in development activities in anticipation of future optical applications for SO film, given its homogeneous characteristics.
Kuraray plans to introduce SO Film at its booth (No. 2C-04) at INCHEM TOKYO 2009, to be held at Tokyo Big Site from November 18-20, 2009.
SO Film is a new hard acrylic film made from polymer developed with Kuraray's proprietary polymer synthesizing and alloy manufacturing technologies.
With excellent toughness and tearing resistance to withstand various film-manufacturing processes, the new hard acrylic film provides the following features, which are superior to existing rubber-based acrylic films:
|SO Film||Rubber-based film||Acryl|
|Transparency (125µm thickness) |
Visible light transmission (%)
Tensile modulus (MPa)
Film rupturing energy (J/m2)
|Tearing resistance |
Maximum tearing resistance (N/mm)
|Stress whitening |
Visual inspection of flexure
Almost no whitening