| 摘要 |
<p>A stabiliser compsn. for vinyl (co)polymers contains (a) an organo-Sn cpd., and (b) a cpd. of formula (I) and/or (II) (where the R gps. are organic gps., and the C atom of not more than 1 of the R gps. forms an aromatic ring with the O or N atom to which the C is attached). The isocyanurate or triazine is a synergist, and the amt. of Sn cpd. can be reduced.</p> |
