| 摘要 |
The invention relates to thermoplastic moulding compositions based on polymers of vinyl chloride and containing 0.1 to 5% by weight of a 2-thio-6-aminouracil of the formula I <IMAGE> (I) wherein each of R1 and R2 independently is a hydrocarbon radical of 1 to 24 carbon atoms which can be substituted by -OH, -COOR4, -O(C=O)R4, -(C=O)R4, halogen or amino, and R3 is hydrogen, acyl of 2 to 24 carbon atoms or -(C=O)NHR4, while R4 is a hydrocarbon radical of 1 to 24 carbon atoms. |
