Green grafted prevulcanised natural rubber latex tuned for photonic application

Rahmah Mohamed, Helyati Abu Hassan Shaari, Mohd Syuhaimi Ab Rahman

Research output: Contribution to journalConference article

Abstract

Natural Rubber had been exploited in various applications for tires in automobile industry, as rubber strips and sheets for sealants and etc. However the use of natural rubber in other specialised application such as photonic and optical devices have not been extensively explored. Green natural rubber can infect be tuned as photonic crystal arrays due to the ability of the unique ability of natural rubber to undergo strain crystallisation upon stretching. Due to diffraction of light to selective wavelength, structural colour of natural rubber photonic crystal can be reversibly tuned under strain condition. This paper describes characterization of natural rubber sheet with reversible tuning structural colour. Natural rubber sheet produced by grafting co-monomer into pre-vulcanized latex (PVL) had been fabricated. Refractive index and the thickness of the grafted PVL sheet fabricated in our studies at 632nmTE were found to have n=1.6065 and 3.64 µm thickness. Characterization was performed using Fourier Electron Scanning Electron Microscopy (FESEM), Polarized Optical Microscope (POM) and X-Ray Diffractometer (XRD). Surface morphological of investigated using FESEM and POM shows that sheet has a thin layer of grafted monomer particles embedded in pre-vulcanized natural rubber latex (PVL). POM showed stretched spots of crystal orientation upon stretching as compared to un-stretched rubber which shows discontinuous alignment. For XRD analysis, strong peaks of co-monomer and natural rubber crystal located at 2θ values around 13° to 29° can be identified. Transmission spectra of a natural rubber film in initial, stretched and recovery state from spectrophotometer installed with photomultiplier were obtained with wavelength shifts for stretched and reversible state. Optical and mechanical properties of the natural rubber photonic crystal can be used as strain imaging and smart sensing in photonic devices.

Original languageEnglish
Pages (from-to)449-456
Number of pages8
JournalInternational Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM
Volume3
Issue numberBOOK 6
Publication statusPublished - 1 Jan 2016
Event16th International Multidisciplinary Scientific GeoConference, SGEM 2016 - Vienna, Austria
Duration: 2 Nov 20165 Nov 2016

Fingerprint

Latexes
rubber
Photonics
Rubber
crystal
Photonic crystals
Photonic devices
Microscopes
Monomers
Diffractometers
Stretching
Rubber films
scanning electron microscopy
Color
wavelength
automobile industry
X rays
electron
Wavelength
Scanning electron microscopy

Keywords

  • Natural rubber
  • Photonic crystal
  • Strain crystallisation
  • Strain deformation

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Geology

Cite this

Green grafted prevulcanised natural rubber latex tuned for photonic application. / Mohamed, Rahmah; Shaari, Helyati Abu Hassan; Ab Rahman, Mohd Syuhaimi.

In: International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM, Vol. 3, No. BOOK 6, 01.01.2016, p. 449-456.

Research output: Contribution to journalConference article

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