Porous Epoxy: Effect of Mixing Sequences (ELH versus EHL) Using Toluene as Extraction Medium via Ultrasonic Technique
Porous epoxy was fabricated using natural rubber latex (NRL) as the void template. In this study, two mixing sequences were selected: epoxy, hardener, and then latex (EHL) and epoxy, latex, and then hardener (ELH). The extraction process was carried out to extract the latex particles from the cured...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2016-01-01
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| Series: | International Journal of Polymer Science |
| Online Access: | http://dx.doi.org/10.1155/2016/4385626 |
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| author | Siti Noorkhartina Ishak Pei Leng Teh Uy Lan Du Ngoc Cheow Keat Yeoh |
| author_facet | Siti Noorkhartina Ishak Pei Leng Teh Uy Lan Du Ngoc Cheow Keat Yeoh |
| author_sort | Siti Noorkhartina Ishak |
| collection | DOAJ |
| description | Porous epoxy was fabricated using natural rubber latex (NRL) as the void template. In this study, two mixing sequences were selected: epoxy, hardener, and then latex (EHL) and epoxy, latex, and then hardener (ELH). The extraction process was carried out to extract the latex particles from the cured epoxy sample using toluene as extraction medium with ultrasonic technique for 1 hour. The formation of porous structure in epoxy system is dependent essentially on the amount of latex removed from the epoxy matrix. As expected, the density results showed lower values in the porous epoxy in ELH mixing sequences. More porous structure in epoxy was obtained which was proven by the increasing in porosity % which has led to lowering of the value in dielectric constant which is preferred for electronic packaging application. However, it also caused a decrease in flexural strength and modulus. |
| format | Article |
| id | doaj-art-1a172be39d07450386486fe04e89b4dc |
| institution | Kabale University |
| issn | 1687-9422 1687-9430 |
| language | English |
| publishDate | 2016-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Polymer Science |
| spelling | doaj-art-1a172be39d07450386486fe04e89b4dc2025-08-20T03:54:21ZengWileyInternational Journal of Polymer Science1687-94221687-94302016-01-01201610.1155/2016/43856264385626Porous Epoxy: Effect of Mixing Sequences (ELH versus EHL) Using Toluene as Extraction Medium via Ultrasonic TechniqueSiti Noorkhartina Ishak0Pei Leng Teh1Uy Lan Du Ngoc2Cheow Keat Yeoh3School of Materials Engineering, University Malaysia Perlis, Taman Muhibah, 02600 Jejawi, Perlis, MalaysiaSchool of Materials Engineering, University Malaysia Perlis, Taman Muhibah, 02600 Jejawi, Perlis, MalaysiaSchool of Materials Engineering, University Malaysia Perlis, Taman Muhibah, 02600 Jejawi, Perlis, MalaysiaSchool of Materials Engineering, University Malaysia Perlis, Taman Muhibah, 02600 Jejawi, Perlis, MalaysiaPorous epoxy was fabricated using natural rubber latex (NRL) as the void template. In this study, two mixing sequences were selected: epoxy, hardener, and then latex (EHL) and epoxy, latex, and then hardener (ELH). The extraction process was carried out to extract the latex particles from the cured epoxy sample using toluene as extraction medium with ultrasonic technique for 1 hour. The formation of porous structure in epoxy system is dependent essentially on the amount of latex removed from the epoxy matrix. As expected, the density results showed lower values in the porous epoxy in ELH mixing sequences. More porous structure in epoxy was obtained which was proven by the increasing in porosity % which has led to lowering of the value in dielectric constant which is preferred for electronic packaging application. However, it also caused a decrease in flexural strength and modulus.http://dx.doi.org/10.1155/2016/4385626 |
| spellingShingle | Siti Noorkhartina Ishak Pei Leng Teh Uy Lan Du Ngoc Cheow Keat Yeoh Porous Epoxy: Effect of Mixing Sequences (ELH versus EHL) Using Toluene as Extraction Medium via Ultrasonic Technique International Journal of Polymer Science |
| title | Porous Epoxy: Effect of Mixing Sequences (ELH versus EHL) Using Toluene as Extraction Medium via Ultrasonic Technique |
| title_full | Porous Epoxy: Effect of Mixing Sequences (ELH versus EHL) Using Toluene as Extraction Medium via Ultrasonic Technique |
| title_fullStr | Porous Epoxy: Effect of Mixing Sequences (ELH versus EHL) Using Toluene as Extraction Medium via Ultrasonic Technique |
| title_full_unstemmed | Porous Epoxy: Effect of Mixing Sequences (ELH versus EHL) Using Toluene as Extraction Medium via Ultrasonic Technique |
| title_short | Porous Epoxy: Effect of Mixing Sequences (ELH versus EHL) Using Toluene as Extraction Medium via Ultrasonic Technique |
| title_sort | porous epoxy effect of mixing sequences elh versus ehl using toluene as extraction medium via ultrasonic technique |
| url | http://dx.doi.org/10.1155/2016/4385626 |
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