| 摘要 |
<p>1. A catalyst system comprising 1) an alkali metal or tetralkylammonium carboxylate having the formula <CHEM> and 2) a strontium, barium or zinc carboxylate having the formula <CHEM> wherein M represents an alkali metal or tetralkylammonium, Q represents strontium, barium or zinc and R1, R2 and R3 are the same or different and represent H or lower alkyl, cycloalkyl, phenyl or alkylphenyl and wherein the molar ratio of the alkali metal or tetralkylammonium carboxylate to the strontium, barium or zinc carboxylate is 1:1.1-10. The catalyst system is in particular useful for preparing moulded objects according to the SRIM process. t</p> |
