Start Science Dictionary | Overview | Topics | Groups | Categories | Bookmark this page.
 
Science dictionary - scientific encyclopedia  
Full text search :        
   A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z   #   

 

Ziegler-Natta catalysts

 
   
The catalyst system used in the production of polymers such as high-density polythene. The catalyst is a mixture of two compounds. One of them is a titanium compound (typically titanium(IV) chloride, TiCl{TAG(tag=>sub)}4{TAG}) together with an aluminium trialkyl such as triethylaluminium, Al(CH{TAG(tag=>sub)}2{TAG}CH{TAG(tag=>sub)}3{TAG}){TAG(tag=>sub)}3{TAG}. The catalysts can be subtly modified to produce a stereoregular polymer. Named after Karl Ziegler (1898-1973) and Giulio Natta (1903-79).  

 

 

 
Bookmark this page:
 

 

 

 
<< former term
 
next term >>
zeta potential
 
zinc
 
   

 

Other Terms : vulcanization | jugular vein | Gunn diode

 

 

 
Home |  Add new article  |  Your List |  Tools |  Become an Editor |  Tell a Friend |  Links |  Awards |  Testimonials |  Press |  News |  About |
Copyright ©2009 Globalscience24. All rights reserved.  Terms of Use  |  Privacy Policy  |  Contact Us