Molecular Structure of Natural Rubber and Its Characteristics Based on Recent Evidence

  • T. J
  • Rojruthai P
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Abstract

Abstract Long-haul travel does not constitute an obstacle for tourists to travel and is fast gaining the attention of tourists in new and unique experiences. This study was conducted to identify the long-haul travel motivation by international tourists to Penang. A total of 400 respondents participated in this survey, conducted around the tourist attractions in Penang, using cluster random sampling. However, only 370 questionnaires were only used for this research. Data were analysed using SPSS software 22 version. The findings, ‘knowledge and novelty seeking’ were the main push factors that drove long-haul travel by international tourists to Penang. Meanwhile, the main pull factor that attracts long- haul travel by international tourists to Penang was its ‘culture and history’. Additionally, there were partly direct and significant relationships between socio-demographic, trip characteristics and travel motivation (push factors and pull factors). Overall, this study identified the long-haul travel motivations by international tourists to Penang based on socio-demographic, trip characteristics and travel motivation and has indirectly helped in understanding the long-haul travel market particularly for Penang and Southeast Asia. This research also suggested for an effective marketing and promotion strategy in pro- viding useful information that is the key to attract international tourists to travel long distances. Keywords:

Figures

  • Fig. 1. Green strength of purified natural rubbers and synthetic cis-polyisoprene
  • Fig. 2. 13C-NMR spectra of low-molecular weight fraction of Hevea rubber and rubber from Goldenrod.
  • Fig. 3. 1H-NMR spectra of low-molecular weight fractions of transesterified natural rubber, two-trans-polyprenol-16 and three-trans-polyprenol-12
  • Fig. 4. 13C-NMR spectra of in vitro NR formed on incubation of fresh bottom fraction (BF) and FDP (above) and in vivo rubber (below).
  • Fig. 5. Presumed role of enzyme on initiation and chain elongation steps
  • Fig. 6. 13C-NMR spectrum (aliphatic region) of low-molecular weight fractions from deproteinized natural rubber
  • Fig. 7. Presumed structure of NR linear chain (Tangpakdee & Tanaka, 1997a)
  • Fig. 8. 1H-NMR spectrum of acetone-extracted DPNR

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APA

T., J., & Rojruthai, P. (2012). Molecular Structure of Natural Rubber and Its Characteristics Based on Recent Evidence. In Biotechnology - Molecular Studies and Novel Applications for Improved Quality of Human Life. InTech. https://doi.org/10.5772/29820

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