| 释义 |
Ziegler Chem.|ˈziːglə(r)|
The name of Karl Ziegler (1898–1973), German chemist, used attrib. to designate a trialkyl aluminium-titanium tetrachloride catalyst discovered by him for the synthesis of stereoregular isotactic polymers of high density and crystallinity from an ethylene or propylene monomer; also, loosely, = next.
1957[see isoprene]. 1961[see stereoregular a.]. 1966Phillips & Williams Inorg. Chem. II. xxxiii. 560 This reaction is of interest in connexion with the polymerization of olefins by Ziegler catalysts. 1980Nature 20 Mar. 213/3 [They] produced thin films by exposing acetylene gas to concentrated solutions of Ziegler catalysts. |