The effect of pendant alkyl chain length on the barrier properties of epoxy/amine crosslinked networks

J. H. Vergara; J. J. La Scala; C. K. Henry; J. M. Sadler; S. K. Yadav; G. R. Palmese

doi:10.1016/j.polymer.2017.10.042

The effect of pendant alkyl chain length on the barrier properties of epoxy/amine crosslinked networks

J. H. Vergara, J. J. La Scala, C. K. Henry, J. M. Sadler, S. K. Yadav, G. R. Palmese

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

19 Scopus citations

Abstract

Aliphatic amido amine crosslinkers have been commercially used in epoxy coatings to enhance water barrier properties for corrosion prevention. However, there is only an empirical understanding of how these aliphatic polyamine crosslinkers affect properties of thermoset polymers, which limits our ability to design newer and more environmentally friendly coating systems. In this work, a series of model aliphatic amido amine curing agents are synthesized and used to create model epoxy/amine networks found in commercial coating formulations. These model systems are interrogated to understand the effects of pendant alkyl chain length material properties including modulus, glass transition temperature, solubility, diffusivity, and permeability of water. This work shows that increasing the pendant aliphatic chain reduces the solubility of water while simultaneously increasing the diffusivity to water in the polymer network.

Original language	English (US)
Pages (from-to)	133-142
Number of pages	10
Journal	Polymer
Volume	132
DOIs	https://doi.org/10.1016/j.polymer.2017.10.042
State	Published - Dec 6 2017
Externally published	Yes

All Science Journal Classification (ASJC) codes

Organic Chemistry
Polymers and Plastics
Materials Chemistry

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10.1016/j.polymer.2017.10.042

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title = "The effect of pendant alkyl chain length on the barrier properties of epoxy/amine crosslinked networks",

abstract = "Aliphatic amido amine crosslinkers have been commercially used in epoxy coatings to enhance water barrier properties for corrosion prevention. However, there is only an empirical understanding of how these aliphatic polyamine crosslinkers affect properties of thermoset polymers, which limits our ability to design newer and more environmentally friendly coating systems. In this work, a series of model aliphatic amido amine curing agents are synthesized and used to create model epoxy/amine networks found in commercial coating formulations. These model systems are interrogated to understand the effects of pendant alkyl chain length material properties including modulus, glass transition temperature, solubility, diffusivity, and permeability of water. This work shows that increasing the pendant aliphatic chain reduces the solubility of water while simultaneously increasing the diffusivity to water in the polymer network.",

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T1 - The effect of pendant alkyl chain length on the barrier properties of epoxy/amine crosslinked networks

AU - Vergara, J. H.

AU - La Scala, J. J.

AU - Henry, C. K.

AU - Sadler, J. M.

AU - Yadav, S. K.

AU - Palmese, G. R.

PY - 2017/12/6

Y1 - 2017/12/6

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AB - Aliphatic amido amine crosslinkers have been commercially used in epoxy coatings to enhance water barrier properties for corrosion prevention. However, there is only an empirical understanding of how these aliphatic polyamine crosslinkers affect properties of thermoset polymers, which limits our ability to design newer and more environmentally friendly coating systems. In this work, a series of model aliphatic amido amine curing agents are synthesized and used to create model epoxy/amine networks found in commercial coating formulations. These model systems are interrogated to understand the effects of pendant alkyl chain length material properties including modulus, glass transition temperature, solubility, diffusivity, and permeability of water. This work shows that increasing the pendant aliphatic chain reduces the solubility of water while simultaneously increasing the diffusivity to water in the polymer network.

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JF - Polymer

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The effect of pendant alkyl chain length on the barrier properties of epoxy/amine crosslinked networks

Abstract

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