| abstract |
It is an object of the invention to; the interlayer for the multiple nesa coatings for being used for the interlayer for filling contact panel and other parts in manufacture of portable information terminal etc. or forming contact panel is provided and can obtain surface protection panel or glass substrate is difficult to crack or damaged and without the contact panel interlayer filler material of the even contact panel layered product of irregular colour, and the contact panel layered product for using the contact panel to be manufactured with interlayer filler material.The present invention is a kind of contact panel interlayer filler material, it is the interlayer for filling contact panel and other parts, form the interlayer of multiple nesa coatings of foregoing contact panel, the interlayer of glass plate and nesa coating, the interlayer of glass plate and glass plate, the interlayer of glass plate and polarizing coating, the interlayer of substrate and glass plate, the interlayer of substrate and nesa coating, or the contact panel interlayer filler material of the interlayer of substrate and polarizing coating, it contains Pioloform, polyvinyl acetal and plasticizer, (25 DEG C of residual stress Kpa at 25 DEG C after 2 minutes, 2 minutes) it is below 300kPa. |