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09:06
Preparation of DNA-crosslinked Polyacrylamide Hydrogels
Published on: August 27, 2014
Highly ordered alignment of a vinyl polymer by host-guest cross-polymerization
Gaetano Distefano1, Hirohito Suzuki, Masahiko Tsujimoto
1Department of Materials Science, University of Milano - Bicocca, Via R. Cozzi 53, 20125 Milan, Italy.
Nature Chemistry
|March 21, 2013
Summary
Researchers developed a new method using ordered crosslinks to create highly aligned polymer chains. This technique yields stable, crystalline polymer materials with long-range order, advancing polymer science.
Area of Science:
- Materials Science
- Polymer Chemistry
- Crystallography
Background:
- Macroscopic properties of polymers are strongly influenced by chain alignment.
- A versatile method for achieving highly ordered, stable crystalline polymer packing is lacking.
Purpose of the Study:
- To introduce a novel strategy for creating crystalline polymer materials with long-range order.
- To demonstrate the utility of 'ordered crosslinks' for stabilizing aligned polymer chains.
Main Methods:
- Embedding divinyl crosslinkers into a porous coordination polymer (PCP).
- Polymerizing styrene within the PCP channels, leading to crosslinking with embedded ligands.
- Selective removal of the PCP host to isolate the aligned polymer structure.
Main Results:
- The method successfully produced polystyrene chains crosslinked within the PCP channels.
- Removal of the PCP template resulted in aligned polymer chains with long-range crystalline order.
- The resulting polymer material demonstrated high stability against thermal and solvent treatments.
Conclusions:
- The 'ordered crosslinks' strategy provides a general and versatile method for fabricating stable, crystalline polymer materials.
- This approach enables precise control over polymer chain arrangement, impacting material properties.
- The findings open new avenues for designing advanced polymeric materials with tailored structures and enhanced performance.
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