- titanium-based catalysts, and
Italian Giulio Natta, for
using them to
prepare stereoregular polymers from propylene. Ziegler–Natta
catalysts have been used in the...
-
Tacticity (from Gr****: τακτικός, romanized: taktikos, "relating to
arrangement or order") is the
relative stereochemistry of
adjacent chiral centers within...
- Al(OPhCH3)(i-Bu)2 co-catalyst. The
first reported commercialisation of a
stereoregular poly-1,4-isoprene with > 90% cis (90% to 92%) was in 1960 by the S****...
- Michael; Zeigler,
Robert (1992). "Structure and
Morphology of
Highly Stereoregular Syndiotactic Polypropylene Produced by
Homogeneous Catalysts". Catalysis...
-
coordination polymerization catalyst and
pioneered the era of
synthesis of
stereoregular polymers. In the
decades after the
establishment of the
concept of macromolecules...
-
coworkers in 1950s, as they
developed metal based catalyst to
synthesize stereoregular polymers. The
reason why the
stereochemistry of the
polymer is of particular...
-
cyclopentadienyl rings.
These innovations made
possible highly stereoselective (or
stereoregular)
polymerization of α-olefins, some of
which have been commercialized...
- arrangement.
Linear polymers with
periodic structure, low
branching and
stereoregularity (e. g. not atactic) have a semi-crystalline
structure in the solid...
- and
became extremely interested in
their ability and
potential to
stereoregularly polymerize α-olefins such as propene. Ziegler,
meanwhile concentrated...
- metal-catalyzed
reaction tends to
cause racemization of the PLA,
reducing its
stereoregularity compared to the
starting material (usually corn starch). The direct...
