Evaluation of EVA-PVAc blend behavior by 1-D and 2-D solid-state NMR

Cláudia M.G. De Souza; Carlos R. Pacheco; Maria I.B. Tavares

doi:10.1002/(SICI)1097-4628(19990711)73:2<221::AID-APP8>3.0.CO;2-A

Evaluation of EVA-PVAc blend behavior by 1-D and 2-D solid-state NMR

Cláudia M.G. De Souza, Carlos R. Pacheco, Maria I.B. Tavares

Chemistry

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

7 Scopus citations

Abstract

Ethylene-co-vinyl acetate and poly(vinyl acetate) blends were prepared in different proportions by melting in a HAAKE Rheomix mixer. The blends were prepared at a fixed temperature, rotation rate, and processing time. High-resolution solid-state nuclear magnetic resonance was chosen to characterize the blends with respect to structure-mobility-compatibility employing magic angle spinning with cross polarization and high-power hydrogen decoupling and the measurements of the proton spin-lattice relaxation time in the rotating frame (T₁ ^H ρ). The miscibility between polymer chains was also studied by two-dimensional ¹H-¹³C shift correlation (HETCOR).

Original language	English (US)
Pages (from-to)	221-226
Number of pages	6
Journal	Journal of Applied Polymer Science
Volume	73
Issue number	2
DOIs	https://doi.org/10.1002/(SICI)1097-4628(19990711)73:2<221::AID-APP8>3.0.CO;2-A
State	Published - 1999

All Science Journal Classification (ASJC) codes

General Chemistry
Surfaces, Coatings and Films
Polymers and Plastics
Materials Chemistry

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10.1002/(SICI)1097-4628(19990711)73:2<221::AID-APP8>3.0.CO;2-A

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title = "Evaluation of EVA-PVAc blend behavior by 1-D and 2-D solid-state NMR",

abstract = "Ethylene-co-vinyl acetate and poly(vinyl acetate) blends were prepared in different proportions by melting in a HAAKE Rheomix mixer. The blends were prepared at a fixed temperature, rotation rate, and processing time. High-resolution solid-state nuclear magnetic resonance was chosen to characterize the blends with respect to structure-mobility-compatibility employing magic angle spinning with cross polarization and high-power hydrogen decoupling and the measurements of the proton spin-lattice relaxation time in the rotating frame (T1 H ρ). The miscibility between polymer chains was also studied by two-dimensional 1H-13C shift correlation (HETCOR).",

author = "{De Souza}, {Cl{\'a}udia M.G.} and Pacheco, {Carlos R.} and Tavares, {Maria I.B.}",

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T1 - Evaluation of EVA-PVAc blend behavior by 1-D and 2-D solid-state NMR

AU - De Souza, Cláudia M.G.

AU - Pacheco, Carlos R.

AU - Tavares, Maria I.B.

PY - 1999

Y1 - 1999

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AB - Ethylene-co-vinyl acetate and poly(vinyl acetate) blends were prepared in different proportions by melting in a HAAKE Rheomix mixer. The blends were prepared at a fixed temperature, rotation rate, and processing time. High-resolution solid-state nuclear magnetic resonance was chosen to characterize the blends with respect to structure-mobility-compatibility employing magic angle spinning with cross polarization and high-power hydrogen decoupling and the measurements of the proton spin-lattice relaxation time in the rotating frame (T1 H ρ). The miscibility between polymer chains was also studied by two-dimensional 1H-13C shift correlation (HETCOR).

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Evaluation of EVA-PVAc blend behavior by 1-D and 2-D solid-state NMR

Abstract

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