isotactic

Adjective

Meaning

English Wikipedia has an article on:isotacticWikipedia
isotactic (not comparable)

(chemistry, of a polymer) Having substituents arranged in the same (rather than random) configuration in each repeat unit

Antonyms

Related terms

Examples

Both isotactic and syndiotactic polypropylene are crystalline, whereas atactic polypropylene, which can also be prepared with special Ziegler–Natta catalysts, is amorphous. Source: Internet

In hemi isotactic macromolecules every other repeat unit has a random substituent. Source: Internet

Short segments of polypropylene, showing examples of isotactic (above) and syndiotactic (below) tacticity The concept of stereoregularity in polymer chains is illustrated in the picture on the left with polypropylene. Source: Internet

These catalysts polymerize propylene and other 1-alkenes to highly crystalline isotactic polymers. Source: Internet

There are three types: isotactic (all substituents on the same side), atactic (random placement of substituents), and syndiotactic (alternating placement of substituents). Source: Internet

The average meso sequence length may be approximated from the relative abundance of pentads as follows: citation Polymers Isotactic polymers Isotactic polymers are composed of isotactic macromolecules (IUPAC definition). Source: Internet

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