| abstract |
The present invention relates to at least one non-aromatic plasticizer having a polarity equal to or less than 9.4 and a polyvinyl (iso) acetal group ratio of 60 to 85% by weight, represented by the formula 100 × O / (C + H). And a mixture of polyvinyl (iso) acetals having a polyvinyl alcohol group ratio of 14 to 40% by weight, wherein O, C and H are the number of oxygen, carbon and hydrogen atoms in each molecule. Indicates. The invention also relates to the use of the film in the automotive industry, in windscreens, in the field of construction, in facade parts, or for the production of photovoltaic modules. |