| abstract |
A biaxially oriented laminate polyester film innwhich each of the layers contains at least two differentnlubricant particles, and each of two members out of thenlubricant particles of one layer and each of two membersnout of the lubricant particles of the other layer haventhe same substrates and the same average particlendiameters, respectively, the biaxially oriented laminatenpolyester film enables the direct recycling of thenrecovered polymer for production of the film. |