Non-destructive tests on eco-friendly anti-corrosion paint

Hajar, H. M.; ISMAIL, NABILAH; Zulkifli, Mohammad Fakhratul Ridwan; Sabri, M. G. M.; Nik, W.B. Wan

doi:10.15282/jmes.11.3.2017.5.0256

Cited by 3 publications

(1 citation statement)

References 23 publications

(25 reference statements)

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“…Usually, coatings applied in corrosion inhibition are thermosetting resins, such as polyurethane, acrylic, epoxy, etc. [1][2][3]. Conductive polymers attract numerous interest at the last decades due to their environmentally friendly behavior and wide range of applications especially their unique corrosion inhibiting for metals.…”

Section: Introductionmentioning

confidence: 99%

Electrical conductive polyaniline in various nanostructures for corrosion inhibition of carbon steel

Al-Dulaimi¹,

Hashim²,

Abdulrazak³

et al. 2018

J. MECH. ENG. SCI.

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Conductive polyaniline (PANI) in various nanostructures were prepared by situ polymerization for corrosion protection application of carbon steel. Anticorrosion performance of the samples was evaluated by applying salt spray and adhesion tests based on standards ASTM B117 and ASTM D3359 respectively. Synthesis of PANI in various nanostructures carried out by doping aniline monomer with phosphoric acid in four different molar ratios. Field emission scanning electron microscopy (FESEM) images confirms the variation in nanostructures of samples. The samples were also characterized using Fourier transform infrared (FTIR), X-ray diffraction (XRD), electrical conductivity and dispersion stability in ethanol medium. The transition of PANI nanostructure from nanofibers to nanorods and nanospheres occurred with the increase of molar ratios (phosphoric acid/aniline) from 0.1, 0.5, 1 and 2 respectively. The results show that coating containing PANI nanofibers has the best resistance against corrosive aggression due to the high dispersion stability and decent uniformity. Accordingly, this work finds that the morphological structure and dispersion stability for PANI has a significant impact on the anticorrosion performance.

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Section: Introductionmentioning

confidence: 99%

Electrical conductive polyaniline in various nanostructures for corrosion inhibition of carbon steel

Al-Dulaimi¹,

Hashim²,

Abdulrazak³

et al. 2018

J. MECH. ENG. SCI.

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Attitude Towards Anti-smoking Measures and Its Associated Factors Among Adults in Sub-urban Area, in Kuala Terengganu, Terengganu, Malaysia

San,

Aung,

Ibrahim

et al. 2023

MJMHS

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Introduction: General population across different countries have shown an overall support for anti-smoking measures that vary significantly by certain population parameters. However, characteristics of the public attitude in a community who has been exposed to prolonged awareness campaigns and smoke-free area legislation is unclear. Consequently, we investigate residents who reside next to Batu Buruk beach in Kuala Terengganu city which has been gazetted as a smoke-free area since 2017. Methods: The cross-sectional study involves self-administered validated questionnaires. Multiple linear regression with forward method was applied to identify significant factors associated with the attitude towards anti-smoking measures. Results: A total of 295 residents participated. Most of them were Malays (96.6%), married (64.4%), attained up to the secondary school level (45.4%) and employed (59.7%). The mean value of the total attitude scores was 181.86 (range: 70-200). Multivariate analyses revealed those having higher monthly income had a higher total attitude scores (adjusted b: 6.91, 95% CI: 2.15, 11.66), while current daily smokers had a lower total attitude scores towards anti-smoking measures than non-smokers (adjusted b: -23.30, 95% CI: -29.55, -17.05). These findings highlight comparatively stronger and more consistent support for anti-smoking measures that may vindicate high-stake investment and legislation against smoking. Conclusion: The novel evidence may also better-inform the strategy to expand the initiatives further through profiling the target population with heightened emphasis on the economic standing and prevalence of current daily smokers. Future research may adopt experimental design to establish causality relationship between predictors and outcomes revealed in this community.

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Comparative Study on Leaf Anatomy in Selected Garcinia Species in Peninsular Malaysia

Emlee¹,

Amri²,

Midin³

2023

JTAS

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A comparative study of leaf anatomy was attempted on Garcinia species in Peninsular Malaysia to identify anatomical features useful in species identification and classification. The species are Garcinia mangostana var. mangostana , Garcinia mangostana var. malaccensis , and Garcinia celebica. Leaves were collected from two different regions: Kuantan, Pahang and Kepong, Kuala Lumpur. The leaf anatomical study was done using the methods of leaf peeling, leaf venation, leaf cross-section, and scanning electron microscopy. The assessment of the leaf anatomy found that these three Garcinia species showed similarities in anatomical features, including the presence of paracytic stomata on the abaxial surface, a straight to wavy anticlinal wall of both adaxial and abaxial surfaces, a thick cuticle wax layer, the presence of druses, mucilage canal, petiole vascular bundle, the presence of collenchyma cells in the midrib, and also the presence of sclerenchyma cells in midrib and petiole. Meanwhile, the notable anatomical variation observed in this study included three types of midrib vascular bundles: the outline of the leaf margin, the presence of tanniferous idioblast, leaf marginal, and laminal venation as six types of epicuticular waxes present on epidermal surface. Overall, this study highlighted the anatomical features that are taxonomically valuable, which could be used to identify selected Garcinia species in Malaysia.

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Non-destructive tests on eco-friendly anti-corrosion paint

Cited by 3 publications

References 23 publications

Electrical conductive polyaniline in various nanostructures for corrosion inhibition of carbon steel

Electrical conductive polyaniline in various nanostructures for corrosion inhibition of carbon steel

Attitude Towards Anti-smoking Measures and Its Associated Factors Among Adults in Sub-urban Area, in Kuala Terengganu, Terengganu, Malaysia

Comparative Study on Leaf Anatomy in Selected Garcinia Species in Peninsular Malaysia

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