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Cover Picture: Macromol. React. Eng. 10/2014
Author(s) -
Alshaiban Ahmad,
Soares João B. P.
Publication year - 2014
Publication title -
macromolecular reaction engineering
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.37
H-Index - 32
eISSN - 1862-8338
pISSN - 1862-832X
DOI - 10.1002/mren.201470035
Subject(s) - cover (algebra) , catalysis , polypropylene , monte carlo method , natta , hydrogen , chemistry , polymer chemistry , stereoselectivity , organic chemistry , polymerization , polymer , mathematics , engineering , mechanical engineering , statistics
Cover: Varying normalized concentrations of hydrogen and external electron donors affect the mmmm pentads of polypropylene made with a 4th generation heterogeneous Ziegler–Natta catalyst. These experimental results agree well with Monte Carlo simulations, including the transformation of non‐specific sites to stereoselective sites via donor complexation and hydrogen transfer reactions to 2‐1 “dormant” sites. Further details can be found in the article by João Soares on page 723 .