Assessing the crosslinking behavior of nanocomposites based on epoxy and starch-modified graphene oxide nanosheets potent to be applied as engineering coatings

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Yarahmadi Elham; DIDEHBAN KHADIJEH; Shabanian Meisam; Saeb Mohammad Reza

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Journal: APPLIED RESEARCH IN CHEMICAL POLYMER ENGINEERING Year:2017 | Volume:1 | Issue:1 (1) Page(s): 62-70

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Title

Assessing the crosslinking behavior of nanocomposites based on epoxy and starch-modified graphene oxide nanosheets potent to be applied as engineering coatings

Author(s)

Yarahmadi Elham | DIDEHBAN KHADIJEH | Shabanian Meisam | Saeb Mohammad Reza | Issue Writer Certificate

Keywords

Epoxy nanocomposite

Starch

Crosslinking reactions

Differential scanning calorimetry

Abstract

In this research, nanocomposite coatings based on epoxy containing pristine graphene oxide and Starch-modified graphene oxide are prepared and characterized by Fourier transfer infrared spectroscopy, and their crosslinking behavior is studied using nonisothermal Differential scanning calorimetry. These nanocomposites, because of having platelet-like nanomaterials inside and their organic origin, can be applied as coating on metal surface in diverse industries. The reason behind using Starch was its natural basis and abundance of hydroxyl groups in its structure which can take part in crosslinking reaction with epoxide. Neat epoxy systems having amine curing agent, and nanocomposites containing epoxy, amine curing agent, andpristine or Starch-modified graphene oxide nanosheets were cured at different heating rates to assess their curing behavior. Change in hearing rate of test caused change in onset and peak temperature of the exotherm curves and consequently heat of reaction changed. It was observed that the presence of the graphene oxide nanosheets hindered the Crosslinking reactions, while surface modification of them with Starch natural polymer compensated for such a hindrance via catalytic role of Starch, and increased crosslink density of system.

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APA: Copy

Yarahmadi, Elham, DIDEHBAN, KHADIJEH, Shabanian, Meisam, & Saeb, Mohammad Reza. (2017). Assessing the crosslinking behavior of nanocomposites based on epoxy and starch-modified graphene oxide nanosheets potent to be applied as engineering coatings. APPLIED RESEARCH IN CHEMICAL POLYMER ENGINEERING, 1(1 (1) ), 62-70. SID. https://sid.ir/paper/267774/en

Vancouver: Copy

Yarahmadi Elham, DIDEHBAN KHADIJEH, Shabanian Meisam, Saeb Mohammad Reza. Assessing the crosslinking behavior of nanocomposites based on epoxy and starch-modified graphene oxide nanosheets potent to be applied as engineering coatings. APPLIED RESEARCH IN CHEMICAL POLYMER ENGINEERING[Internet]. 2017;1(1 (1) ):62-70. Available from: https://sid.ir/paper/267774/en

IEEE: Copy

Elham Yarahmadi, KHADIJEH DIDEHBAN, Meisam Shabanian, and Mohammad Reza Saeb, “Assessing the crosslinking behavior of nanocomposites based on epoxy and starch-modified graphene oxide nanosheets potent to be applied as engineering coatings,” APPLIED RESEARCH IN CHEMICAL POLYMER ENGINEERING, vol. 1, no. 1 (1) , pp. 62–70, 2017, [Online]. Available: https://sid.ir/paper/267774/en

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