Synthesis and Thermal Stability of Cross-Linked Carbazole-Substituted Poly(dimethylsiloxane) for LED Encapsulation

Nordin Norhuda Hidayah; Nadras Othman; Zulkifli Ahmad

doi:10.4028/www.scientific.net/AMR.747.733

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 747Synthesis and Thermal Stability of Cross-Linked...

Synthesis and Thermal Stability of Cross-Linked Carbazole-Substituted Poly(dimethylsiloxane) for LED Encapsulation

Abstract:

A series of carbazole substituted poly (dimethylsiloxane) (PDMS) was synthesized by hydrosilylation reaction of 9-vinyl carbazole into PDMS structure. It was then cross-linked with vinyl trimethoxysilane by condensation reaction. The fabricated product display increasing in refractive index with increasing carbazole content. The higher carbazole content also produce high thermal stability which is suitable for electronic device encapsulation applications. The modification also increase Tg of the polymers displayed by differential scanning calorimetry analysis. This behavior owe much to the carbazole moeity when it was successfully incorporated into PDMS chain.

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Periodical:

Advanced Materials Research (Volume 747)

Pages:

733-736

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.747.733

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Online since:

August 2013

Authors:

Nordin Norhuda Hidayah, Nadras Othman, Zulkifli Ahmad

Keywords:

Carbazole, Hydrosilylation, Poly(Dimethylsiloxane) (PDMS), Refractive Index, Thermal Stability

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References

[1] R. Kumar, L.Y. Keem, N.C. Mang, A. Abubakar, Ultraviolet radiation curable epoxy resin encapsulant for light emitting diodes, J. Appl. Polym. Sci., 100 (2006) 1048-1056.

DOI: 10.1002/app.23189

Google Scholar

[2] J.A. Carey, W.D. Collins III, J.L. Posselt, High stability optical encapsulation and packaging for light-emitting diodes in the green, blue, and near UV range, U.S. Patent 6, 204, 523. ( 2003).

Google Scholar

[3] H.J. Tai, J. Wang, J.H. Chen, H.L. Chou, Synthesis and properties of vinyl siloxane modified cresol novolac epoxy for electronic encapsulation, J. Appl. Polym. Sci., 79 (2000) 652-661.

DOI: 10.1002/1097-4628(20010124)79:4<652::aid-app90>3.0.co;2-u

Google Scholar

[4] J. Chojnowski, M. Cypryk, Synthesis of linear polysiloxanes, Silicon-containing Polymers. The Science and Technology of their Synthesis and Applications, (2000).

DOI: 10.1007/978-94-011-3939-7_1

Google Scholar

[5] K. Safa, A. Bahadori, S. Tofangdarzadeh, M. Nasirtabrizi, Trisyl modification of epoxy-and chloromethyl-polysiloxanes, J. Iran. Chem. Soc., 5 (2008) 37-47.

DOI: 10.1007/bf03245813

Google Scholar

[6] M.R. Ramli, M. Bisyrul, H. Othman, A. Arifin, Z. Ahmad, Cross-link network of polydimethylsiloxane via addition and condensation (RTV) mechanisms. Part I: Synthesis and thermal properties, Polym Degrad Stab, (2011).

DOI: 10.1016/j.polymdegradstab.2011.10.001

Google Scholar