The non‐Fickian diffusion of deterrents into a nitrocellulose‐based propellant

David A. Winkler; Alan Starks

doi:10.1002/app.1988.070350105

The non‐Fickian diffusion of deterrents into a nitrocellulose‐based propellant

David A. Winkler, Alan Starks

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14 Citations (Scopus)

Abstract

The diffusion of solutions of ethyl centralite (EC), dibutylphthalate (DBP), and dinitrotoluene (DNT) into a nitrocellulose (NC) propellant is investigated. DBP and EC penetrate the propellant in a way consistent with Case II diffusion. The diffusion of DNT solutions is Fickian. The apparent activation energy for Case II diffusion is 62 kJ/mol for DBP and 66 kJ/mol for EC. Changes to coating solvent polarity have little effect on DNT and DBP penetration and merely alter the rate, not the mechanism, of EC diffusion into the propellant.

Original language	English
Pages (from-to)	51-62
Number of pages	12
Journal	Journal of Applied Polymer Science
Volume	35
Issue number	1
DOIs	https://doi.org/10.1002/app.1988.070350105
Publication status	Published - 1988
Externally published	Yes

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abstract = "The diffusion of solutions of ethyl centralite (EC), dibutylphthalate (DBP), and dinitrotoluene (DNT) into a nitrocellulose (NC) propellant is investigated. DBP and EC penetrate the propellant in a way consistent with Case II diffusion. The diffusion of DNT solutions is Fickian. The apparent activation energy for Case II diffusion is 62 kJ/mol for DBP and 66 kJ/mol for EC. Changes to coating solvent polarity have little effect on DNT and DBP penetration and merely alter the rate, not the mechanism, of EC diffusion into the propellant. ",

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AU - Starks, Alan

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AB - The diffusion of solutions of ethyl centralite (EC), dibutylphthalate (DBP), and dinitrotoluene (DNT) into a nitrocellulose (NC) propellant is investigated. DBP and EC penetrate the propellant in a way consistent with Case II diffusion. The diffusion of DNT solutions is Fickian. The apparent activation energy for Case II diffusion is 62 kJ/mol for DBP and 66 kJ/mol for EC. Changes to coating solvent polarity have little effect on DNT and DBP penetration and merely alter the rate, not the mechanism, of EC diffusion into the propellant.

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U2 - 10.1002/app.1988.070350105

DO - 10.1002/app.1988.070350105

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SP - 51

EP - 62

JO - Journal of Applied Polymer Science

JF - Journal of Applied Polymer Science

SN - 0021-8995

IS - 1

ER -

The non‐Fickian diffusion of deterrents into a nitrocellulose‐based propellant

Abstract

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