Ziegler–Natta catalysts

E464835

catalyst coordination catalyst organometallic catalyst polymerization catalyst

Ziegler–Natta catalysts are a class of organometallic catalysts used industrially to produce stereoregular polyolefins such as polyethylene and polypropylene under relatively mild conditions.

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Observed surface forms (1)

Surface form	Occurrences
Ziegler–Natta catalyst	1

Statements (51)

Predicate	Object
instanceOf	catalyst ⓘ coordination catalyst ⓘ organometallic catalyst ⓘ polymerization catalyst ⓘ
actsOn	1-butene ⓘ ethylene ⓘ higher α-olefins ⓘ propylene ⓘ
advantage	control of polymer microstructure ⓘ high activity ⓘ production of stereoregular polyolefins ⓘ
award	Nobel Prize in Chemistry 1963 NERFINISHED ⓘ
controls	polymer molecular weight ⓘ polymer molecular weight distribution ⓘ polymer stereoregularity ⓘ polymer tacticity ⓘ
developedIn	1950s ⓘ
field	industrial catalysis ⓘ organometallic chemistry ⓘ polymer chemistry ⓘ
hasType	heterogeneous Ziegler–Natta catalyst NERFINISHED ⓘ homogeneous Ziegler–Natta catalyst ⓘ
industrialUse	gas-phase polymerization processes ⓘ slurry polymerization processes ⓘ solution polymerization processes ⓘ
mechanism	coordination–insertion polymerization ⓘ
namedAfter	Giulio Natta NERFINISHED ⓘ Karl Ziegler NERFINISHED ⓘ
operatesUnder	mild pressure conditions ⓘ mild temperature conditions ⓘ
replacedBy	metallocene catalysts ⓘ
stillUsedIn	large-scale polyolefin production ⓘ
typicalComponent	magnesium chloride support ⓘ methylaluminoxane ⓘ organometallic co-catalyst ⓘ titanium tetrachloride ⓘ transition metal compound ⓘ trialkylaluminum ⓘ triethylaluminum ⓘ vanadium compound ⓘ
usedFor	copolymerization of ethylene with α-olefins ⓘ polymerization of olefins ⓘ production of high-density polyethylene ⓘ production of isotactic polypropylene ⓘ production of linear low-density polyethylene ⓘ production of polyethylene ⓘ production of polyolefins ⓘ production of polypropylene ⓘ production of stereoregular polymers ⓘ production of syndiotactic polypropylene ⓘ stereospecific polymerization of α-olefins ⓘ

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Giulio Natta → notableWork → Ziegler–Natta catalysts ⓘ

Ziegler → knownFor → Ziegler–Natta catalysts ⓘ

subject surface form: Karl Ziegler

this entity surface form: Ziegler–Natta catalyst