... and the nitrate salt. Roselle Anthocyanin Poly(vinyl alcohol) CIELab FTIR TGA DSC XRD Dyes Plants Coating processes CIELab colourimetry was employed to determine the colour parameters of the extract samples which subsequently determine the colour of the samples. Colour parameters...

... Emerald Group Publishing Limited 2013 PMMA Xylene Dipterocarpus Grandiflorus PTM Cross‐hatch ATR‐FTIR DSC Resins Plants It was found that changing ratios of any compound as shown in Table I resulted mixtures with inhomogeneity, foaming and high viscosity, leading...

... was determined to be 3,850 hours. Anthocyanin is a major pigment present in higher plants, concentrated in regions such as flowers and fruits. It is responsible for a variety of colours in plants, from red to blue. There has been an increasing interest to use natural pigment such as anthocyanin as natural...

... of chalcones (Patras et al., 2010). Coatings technology Colour fastness Plants Anthocyanin Melastoma malabathricum Ferulic acid Polyvinyl alcohol Intensity rate percentage Melastoma malabathricum is a shrub that belongs to the Melastomatacea family and it is locally known...

... that the adsorption follows the Langmuir isotherm model. This adsorption isotherm describes that the tannin molecules are adsorbed as a monolayer and there are no interactions with other molecules. © Emerald Group Publishing Limited 2011 Plants Corrosion inhibitors Copper Coatings technology...

... Corrosion inhibitors Steels Sulphuric acid Plants Mild steel has numerous applications in industrial installations and equipments. However, the metal is often prone to attack by corrosion especially in acidic or alkali medium hence inhibitors must be used if the life span of this valuable metal...

... solutions of the extract so obtained were used in preparing different concentrations of the extract by dissolving 0.1, 0.2, 0.3, 0.4 and 0.5 g of the extract in 1 L of 2.5M H₂SO₄, respectively. Corrosion inhibitors Corrosion Steel Acids Plants The use of corrosion...

... extracts inhibit the corrosion of mild steel in H₂SO₄ to reasonable extent. Inhibition efficiency increases with the plant extracts concentration and decreases with temperature. Phenomenon of physical adsorption is proposed as the mechanism of inhibition and the Frumkin adsorption...

... technology Adhesives Plants Natural materials have attracted more attention as environmental protection is becoming more and more important. Bamboo is one of the more important forest resources because it grows faster than any other woody plants on the earth. Most bamboo species can reach...

... at: nabukeddy@yahoo.com © Emerald Group Publishing Limited 2009 Corrosion inhibitors Steel Plants Mild steel is used in numerous industries and more often than not, this metal is often made to come in contact with acidic solution during processes such as pickling, acid, cleaning, oil well...

... inhibitive effect in sulphuric acid medium on mild steel. Inhibition is through adsorption of the phytoconstituents on mild steel following Tempkin adsorption isotherm. The results of ac impedance and polarization studies correlate well with the weight loss studies. Originality/value The plant has been...

... for sonicator and conventional ethods and optimization was carried out as shown in Tables I and II . Similarly mordant treatment and dyeing under sonication and conventional methods were also optimised. © Emerald Group Publishing Limited 2009 Dyes Colours technology Cotton Plants...

... corrosion in H₂SO₄. The inhibition efficiencies of the plant's part extracts follow the trend: LV > SD > HW > BK. Inhibition efficiency increased with extracts concentration but decreased with temperature. Physical adsorption of the phytochemical components of the plant...

... on MS. Inhibition is through adsorption of the phytoconstituents on MS following Tempkin and Langmuir adsorption isotherms. The results of A.C. impedance and polarisation studies correlate well with the weight loss studies. Originality/value The plant has been investigated for the first time for its...

... © MCB UP Limited 2002 --> Nissan Coatings Plants Exclusive contract at Nissan plant Keywords: Nissan, Coatings, Plants PPG Industries recently became the first coatings manufacturer to be awarded an exclusive contract at a Nissen plant when the automaker...