Study on the molecular structure of epoxy resin without hardener in mortar

Nur Farhayu, Ariffin and Nor Hasanah, Abdul Shukor Lim and Sharifah Maszura, Syed Mohsin and Mohd Warid, Hussin and Abdul Rahman, Mohd Sam and Lee, Han Seung (2020) Study on the molecular structure of epoxy resin without hardener in mortar. In: IOP Conference Series: Materials Science and Engineering, 4th International Conference on Construction and Building Engineering & 12th Regional Conference in Civil Engineering (ICONBUILD & RCCE 2019) , 20-22 August 2019 , Langkawi, Malaysia. pp. 1-9., 849 (012050). ISSN 1757-8981 (Print), 1757-899X (Online)

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The principal of molecular structure of cement mortar is important as it shows a component and interaction between cement and additive. By using a themogrativimetric analysis, the phase of mortar structure when exposed to high temperature can be determined. This paper presents the study on influence of epoxy resin without hardener on the microstructure of mortar. Mortar specimens were prepared with mass ratio of 1:3 (cement: fine aggregate), water-cement ratio of 0.48 and 5 to 20% epoxy resin of cement content. All tested specimens were subjected to wet-dry curing; where compressive strength, apparent porosity, thermogrativimetric analysis and fourier transformation infrared spectroscopy were measure. Result shows that, all strength properties of epoxy mortar were significantly higher than control sample and became constant at 10 % of epoxy resin ratio. Thermogrativimetric analysis shows the weight loss of epoxy mortar was almost similar for various percentage of epoxy resin while from fourier transformation infrared spectroscopy test, the component of epoxy mortar and normal mortar was significantly different.

Item Type: Conference or Workshop Item (Lecture)
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Molecular structure; Cement mortar; Epoxy resin; Spectroscopy test
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty/Division: Faculty of Civil Engineering & Earth Resources
Depositing User: Mrs Norsaini Abdul Samat
Date Deposited: 13 Dec 2022 02:18
Last Modified: 13 Dec 2022 02:18
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