isotactic polymer
Learn about this topic in these articles:
catalysis in stereoregular polymerization
- In catalysis: Catalysis in stereoregular polymerization
…arrangements of the polymer: an isotactic polymer, a syndiotactic polymer, and an atactic polymer. These have the following arrangements of their molecular chains:
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polypropylene
- In major industrial polymers: Polypropylene (PP)
Only the isotactic form of polypropylene is marketed in significant quantities. (In isotactic polypropylene, all the methyl [CH3] groups are arranged along the same side of the polymer chain.) It is produced at low temperatures and pressures using Ziegler-Natta catalysts.
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structure and properties
- In chemistry of industrial polymers: Organometallic catalysis
Isotactic and syndiotactic polymers are referred to as stereoregular—that is, polymers having an ordered arrangement of pendant groups along the chain. A polymer with a random orientation of groups is said to be atactic. Stereoregular polymers are usually high-strength materials because the uniform structure leads…
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