| 摘要 |
The present invention relates to tanning aids, comprises a polymethyl methacrylate shaped body, where the transparency of the polymethyl methacrylate shaped body at 380 nm is at least 40%, and the polymethyl methacrylate shaped body comprises 0.005 to 0.1% by weight, based on the weight of the polymethyl methacrylate shaped body, of at least one triazine compound according to formula (I) in which R is halogen, C<SUB>1</SUB>-C<SUB>22</SUB>-alkyl, C<SUB>1</SUB>-C<SUB>22</SUB>-alkoxy, C<SUB>I</SUB>-C<SUB>22</SUB>-hydroxyalkoxy, C<SUB>I</SUB>-C<SUB>22</SUB>-alkoxyalkyl, -NHR<SUB>1</SUB>-, -N(R<SUP>1</SUP>)<SUB>2</SUB>, or a radical of the formula (Ia) X<SUP>1</SUP>, X<SUP>2 </SUP>and X<SUP>3</SUP>, independently of one another, are -CONHR<SUP>1</SUP>, -NR<SUP>2</SUP>R<SUP>3</SUP>, -SO<SUB>2</SUB>R<SUP>4</SUP>, -CN, -COR<SUP>5 </SUP>or -COOR<SUP>6</SUP>, R<SUP>1 </SUP>is hydrogen, C<SUB>1</SUB>-C<SUB>22</SUB>-alkyl, C<SUB>6</SUB>-C<SUB>20</SUB>-aryl, C<SUB>7</SUB>-C<SUB>20</SUB>-aralkyl, C<SUB>5</SUB>-C<SUB>8</SUB>-cycloalkyl, or a radical of the formula (Ib) in which A<SUB>1 </SUB>is C<SUB>I</SUB>-C<SUB>8</SUB>-alkyl, C<SUB>5</SUB>-C<SUB>6</SUB>-cycloalkyl, C<SUB>6</SUB>-C<SUB>20</SUB>-aryl, C<SUB>7</SUB>-C<SUB>20</SUB>-aralkyl; and m<SUB>1 </SUB>is 1 to 10, R<SUP>2 </SUP>and R<SUP>3</SUP>, independently of one another, are hydrogen, C<SUB>I</SUB>-C<SUB>22</SUB>-alkyl, C<SUB>6</SUB>-C<SUB>8</SUB>-cycloalkyl, C<SUB>6</SUB>-C<SUB>20</SUB>-aryl, C<SUB>7</SUB>-C<SUB>20</SUB>-aralkyl, a radical of the formula (Ib) or a radical of the formula -COR<SUP>1</SUP>; R<SUP>4 </SUP>is hydrogen, C<SUB>I</SUB>-C<SUB>22</SUB>-alkyl, C<SUB>6</SUB>-C<SUB>8</SUB>-cycloalkyl, C<SUB>6</SUB>-C<SUB>20</SUB>-aryl, C<SUB>7</SUB>-C<SUB>20</SUB>-aralkyl, a radical of the formula (Ib) or a radical of the formula -NR<SUP>2</SUP>R<SUP>3</SUP>; R<SUP>5 </SUP>and R<SUP>6</SUP>, independently of one another, are hydrogen, C<SUB>I</SUB>-C<SUB>22</SUB>-alkyl, C<SUB>6</SUB>-C<SUB>8</SUB>-cycloalkyl, C<SUB>6</SUB>-C<SUB>20</SUB>-aryl, C<SUB>7</SUB>-C<SUB>20</SUB>-aralkyl or a radical of the formula (Ib); X<SUP>4</SUP>, X<SUP>5 </SUP>and X<SUP>6</SUP>, independently of one another, are hydrogen or hydroxyl. |
