Direct Polarization 13C and 1H Magic Angle Spinning NMR in the Characterization of Solvent-Swollen Gels

H. D.H. Stöver; J. M.J. Stover Fréchet

doi:10.1021/ma00194a012

Direct Polarization ¹³C and ¹H Magic Angle Spinning NMR in the Characterization of Solvent-Swollen Gels

H. D.H. Stöver, J. M.J. Stover Fréchet

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

Direct polarization/magic angle spinning (DP/MAS)¹³C and¹H NMR are shown to be well suited for the characterization of chemically modified cross-linked polymer gels. MAS is known to average out the residual motional anisotropies of the chain segments introduced by the cross-link points. At the same time, the ¹³C direct polarization method exploits the rapid spin-lattice relaxation of the solvated chain segments to give good signal to noise for quaternary and protonated carbons alike.

Original language	English (US)
Pages (from-to)	1574-1576
Number of pages	3
Journal	Macromolecules
Volume	22
Issue number	4
DOIs	https://doi.org/10.1021/ma00194a012
State	Published - Jul 1 1989
Externally published	Yes

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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abstract = "Direct polarization/magic angle spinning (DP/MAS)13C and1H NMR are shown to be well suited for the characterization of chemically modified cross-linked polymer gels. MAS is known to average out the residual motional anisotropies of the chain segments introduced by the cross-link points. At the same time, the 13C direct polarization method exploits the rapid spin-lattice relaxation of the solvated chain segments to give good signal to noise for quaternary and protonated carbons alike.",

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N2 - Direct polarization/magic angle spinning (DP/MAS)13C and1H NMR are shown to be well suited for the characterization of chemically modified cross-linked polymer gels. MAS is known to average out the residual motional anisotropies of the chain segments introduced by the cross-link points. At the same time, the 13C direct polarization method exploits the rapid spin-lattice relaxation of the solvated chain segments to give good signal to noise for quaternary and protonated carbons alike.

AB - Direct polarization/magic angle spinning (DP/MAS)13C and1H NMR are shown to be well suited for the characterization of chemically modified cross-linked polymer gels. MAS is known to average out the residual motional anisotropies of the chain segments introduced by the cross-link points. At the same time, the 13C direct polarization method exploits the rapid spin-lattice relaxation of the solvated chain segments to give good signal to noise for quaternary and protonated carbons alike.

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Direct Polarization ¹³C and ¹H Magic Angle Spinning NMR in the Characterization of Solvent-Swollen Gels

Abstract

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