| 摘要 |
The invention relates to a mixture containing, in relation to its total weight, the following: A.) at least 50.0 weight percent of at least one polyvinyl acetal that is obtained in accordance with a method in which a polymer (A1) that, in relation to its total weight, contains a) 1.0 to 1000.0 weight percent of structural units of formula (1), b) 0 to 99.0 weight percent of structural units of formula (2), c) 0 to 70.0 weight percent of structural units of formula (3) is reacted with at least one compound (A2) of formula (4), B.) 0.001 to 2.0 weight percent oxalic acid and C.) 0.001 to 2.0 weight percent of at least one antioxidant, wherein the radicals R<1> to R<8> are defined according to the description. The invention also relates to a method for the production of the inventive mixture and to its possible application areas. |
