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Updated: Jul 10, 2026

Precision Milling of Carbon Nanotube Forests Using Low Pressure Scanning Electron Microscopy
08:10

Precision Milling of Carbon Nanotube Forests Using Low Pressure Scanning Electron Microscopy

Published on: February 5, 2017

材料科学. 材料科学. 纳米线是如何生长的

Volker Schmidt1, Ulrich Gösele

  • 1Max Planck Institute of Microstructure Physics, Weinberg 2, 06120 Halle, Germany. vschmidt@mpi-halle.eu

Science (New York, N.Y.)
|May 5, 2007
PubMed
概括

No abstract available in PubMed .

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Molecular Weight of Step-Growth Polymers01:08

Molecular Weight of Step-Growth Polymers

Step growth polymerization involves bi or multifunctional monomers. Bifunctional monomers react to form linear step growth polymers, whereas multifunctional monomers react to form non-linear or branched polymers.
As the step-growth polymerization involves step-wise condensation of monomers, the molecular weight also builds up eventually. Consequently, high molecular weight polymers are obtained at the late stages of the polymerization, where 99% of monomers have been consumed.
The extent of the...