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Preparation and Properties of Aldehyde-acid Polymer/MMT Nanocomposites

Wang Yan-li

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Abstract

Hydrophilic monomer methacrylic acid and acraldehyde was polymerized directly in Na-montmorillonite(MMT) layers by free radical initiation.The impacts of initiator dosages and MMT contents on nanocomposite structure and application properties were studied by mono-factor experiment.The nanocomposite was characterized by XRD and FTIR spectrometry.The results show that the wet-heat resistant temperature of leather treated by 6% nanocomposites associated with 2% chromate based on pelt weight can be improved to 90 ℃,and the thickness increment ratio of the leather increases by 70%.Compared with conventional chrome tanning,the dosage of chromate is reduced by 75%.The nanocomposite formed belongs to exfoliated nanocomposite by XRD analysis.FTIR spectroscope detected that there is interlamellar polymerizotion of methacrylic acid and acraldehyde.

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What this paper is about

Hydrophilic monomer methacrylic acid and acraldehyde was polymerized directly in Na-montmorillonite(MMT) layers by free radical initiation.The impacts of initiator dosages and MMT contents on nanocomposite structure and application properties were studied by mono-factor experiment.The nanocomposite was characterized by XRD and FTIR spectrometry.The results show that the wet-heat resistant temperature of leather treated by 6% nanocomposites associated with 2% chromate based on pelt weight can be improved to 90 ℃,and the thickness increment ratio of the leather increases by 70%.Compared with conventional chrome tanning,the dosage of chromate is reduced by 75%.The nanocomposite formed belongs to exfoliated nanocomposite by XRD analysis.FTIR spectroscope detected that there is interlamellar polymerizotion of methacrylic acid and acraldehyde.

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Available abstract

Hydrophilic monomer methacrylic acid and acraldehyde was polymerized directly in Na-montmorillonite(MMT) layers by free radical initiation.The impacts of initiator dosages and MMT contents on nanocomposite structure and application properties were studied by mono-factor experiment.The nanocomposite was characterized by XRD and FTIR spectrometry.The results show that the wet-heat resistant temperature of leather treated by 6% nanocomposites associated with 2% chromate based on pelt weight can be improved to 90 ℃,and the thickness increment ratio of the leather increases by 70%.Compared with conventional chrome tanning,the dosage of chromate is reduced by 75%.The nanocomposite formed belongs to exfoliated nanocomposite by XRD analysis.FTIR spectroscope detected that there is interlamellar polymerizotion of methacrylic acid and acraldehyde.

Key concepts: Nanocomposite, Methacrylic acid, Montmorillonite, Fourier transform infrared spectroscopy, Monomer, Materials science, Chromate conversion coating, Nuclear chemistry

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Preparation and Properties of Aldehyde-acid Polymer/MMT Nanocomposites — Research Paper | ScholarLens