Factors influencing polybutadiene deposition within porous chromatographic zirconia

Jianwei Li; David H. Reeder; Alon V. McCormick; Peter W. Carr

doi:10.1016/S0021-9673(97)00816-9

Factors influencing polybutadiene deposition within porous chromatographic zirconia

Jianwei Li, David H. Reeder, Alon V. McCormick, Peter W. Carr

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

22 Scopus citations

Abstract

We have studied the effect of the conditions for the deposition of polymers in the preparation of polybutadiene-coated porous zirconia particles for reversed-phase chromatography. Chromatographic performance improves when the particle surface is pre-coated with elemental carbon by a chemical vapor deposition (CVD) process. Conversely, performance is significantly degraded when the solvent is removed very slowly during the deposition process. No improvement results when the particles are coated using small sequential loads of polymer. We hypothesize that the polymer deposition process is controlled by the rate at which the solvent meniscus recedes during solvent evaporation, by the affinity of the polymer for the zirconia surface, and by polymer-solvent and polymer-polymer interactions.

Original language	English (US)
Pages (from-to)	45-52
Number of pages	8
Journal	Journal of Chromatography A
Volume	791
Issue number	1-2
DOIs	https://doi.org/10.1016/S0021-9673(97)00816-9
State	Published - Dec 12 1997

Bibliographical note

Funding Information:
This work was supported by grants GM45988 from the National Institutes of Health and CHE917029 from the National Science Foundation. D.H.R. recognizes the support of the National Institutes of General Medical Sciences through a Biotechnology Training Fellowship (IT32-GM08347). We thank Paul Jackson for providing carbon-coated zirconia particles.

Keywords

Chemical vapor deposition
Polybutadiene
Stationary phases, LC
Zirconia

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10.1016/S0021-9673(97)00816-9

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title = "Factors influencing polybutadiene deposition within porous chromatographic zirconia",

abstract = "We have studied the effect of the conditions for the deposition of polymers in the preparation of polybutadiene-coated porous zirconia particles for reversed-phase chromatography. Chromatographic performance improves when the particle surface is pre-coated with elemental carbon by a chemical vapor deposition (CVD) process. Conversely, performance is significantly degraded when the solvent is removed very slowly during the deposition process. No improvement results when the particles are coated using small sequential loads of polymer. We hypothesize that the polymer deposition process is controlled by the rate at which the solvent meniscus recedes during solvent evaporation, by the affinity of the polymer for the zirconia surface, and by polymer-solvent and polymer-polymer interactions.",

keywords = "Chemical vapor deposition, Polybutadiene, Stationary phases, LC, Zirconia",

author = "Jianwei Li and Reeder, {David H.} and McCormick, {Alon V.} and Carr, {Peter W.}",

note = "Funding Information: This work was supported by grants GM45988 from the National Institutes of Health and CHE917029 from the National Science Foundation. D.H.R. recognizes the support of the National Institutes of General Medical Sciences through a Biotechnology Training Fellowship (IT32-GM08347). We thank Paul Jackson for providing carbon-coated zirconia particles.",

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T1 - Factors influencing polybutadiene deposition within porous chromatographic zirconia

AU - Li, Jianwei

AU - Reeder, David H.

AU - McCormick, Alon V.

AU - Carr, Peter W.

N1 - Funding Information: This work was supported by grants GM45988 from the National Institutes of Health and CHE917029 from the National Science Foundation. D.H.R. recognizes the support of the National Institutes of General Medical Sciences through a Biotechnology Training Fellowship (IT32-GM08347). We thank Paul Jackson for providing carbon-coated zirconia particles.

PY - 1997/12/12

Y1 - 1997/12/12

N2 - We have studied the effect of the conditions for the deposition of polymers in the preparation of polybutadiene-coated porous zirconia particles for reversed-phase chromatography. Chromatographic performance improves when the particle surface is pre-coated with elemental carbon by a chemical vapor deposition (CVD) process. Conversely, performance is significantly degraded when the solvent is removed very slowly during the deposition process. No improvement results when the particles are coated using small sequential loads of polymer. We hypothesize that the polymer deposition process is controlled by the rate at which the solvent meniscus recedes during solvent evaporation, by the affinity of the polymer for the zirconia surface, and by polymer-solvent and polymer-polymer interactions.

AB - We have studied the effect of the conditions for the deposition of polymers in the preparation of polybutadiene-coated porous zirconia particles for reversed-phase chromatography. Chromatographic performance improves when the particle surface is pre-coated with elemental carbon by a chemical vapor deposition (CVD) process. Conversely, performance is significantly degraded when the solvent is removed very slowly during the deposition process. No improvement results when the particles are coated using small sequential loads of polymer. We hypothesize that the polymer deposition process is controlled by the rate at which the solvent meniscus recedes during solvent evaporation, by the affinity of the polymer for the zirconia surface, and by polymer-solvent and polymer-polymer interactions.

KW - Chemical vapor deposition

KW - Polybutadiene

KW - Stationary phases, LC

KW - Zirconia

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JO - Journal of Chromatography A

JF - Journal of Chromatography A

IS - 1-2

ER -

Factors influencing polybutadiene deposition within porous chromatographic zirconia

Abstract

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