The Experts below are selected from a list of 19857 Experts worldwide ranked by ideXlab platform

B. J. Dimas - One of the best experts on this subject based on the ideXlab platform.

  • Influence of starch addition on properties of methylolated urea/starch copolymer blends for application as a binder in the Coating Industry
    Journal of Toxicology and Environmental Health Sciences, 2015
    Co-Authors: S. A. Osemeahon, O. N. Maitera, A. J. Hotton, B. J. Dimas
    Abstract:

    Urea formaldehyde resin was reactively blended with various concentrations (10 to 70%) of Cassava starch in order to formulate a paint binder for emulsion paint formulation. Some physical properties and formaldehyde emission of the blended resin were investigated. Viscosity initially decreased before a gradual increase was noted with increase in starch concentration. Refractive index and elongation at break increased initially but gradually decreased with Cassava starch content in the blend. Gel time, density, melting point, moisture uptake and formaldehyde emission decreased with increase in starch inclusion. The interaction between the two different polymers shows that 50% starch was the optimal loading inclusion. This new system has advantages of low brittleness, low formaldehyde emission and water reduction characteristics. Therefore the polymer blend can be recommended as binder for Coating Industry.   Key words: Urea formaldehyde, starch, copolymer, binder.

  • Influence of starch addition on properties of urea formaldehyde/starch copolymer blends for application as a binder in the Coating Industry
    2013
    Co-Authors: S. A. Osemeahon, O. N. Maitera, A. J. Hotton, B. J. Dimas
    Abstract:

    Urea formaldehyde resin was reactively blended with various concentrations (10 to 70%) of cassava starch in order to develop a paint binder for emulsion paint formulation. Some physical properties and formaldehyde emission of the blended resin were investigated. Viscosity initially decreased before a gradual increase was noted with increase in starch concentration. Refractive index and elongation at break increased initially but gradually decreased with cassava starch content in the blend. Gel time, density, melting point, moisture uptake and formaldehyde emission decreased with increase in starch inclusion. The interaction between the two different polymers shows that 50% starch was the optimal loading inclusion. This new system has advantages of low brittleness, low formaldehyde emission and water reduction characteristics. Therefore the polymer blend can be recommended as binder for Coating Industry.   Key words: Urea formaldehyde, starch, copolymer, binder.

  • influence of starch addition on properties of urea formaldehyde starch copolymer blends for application as a binder in the Coating Industry
    Journal of Environmental Chemistry and Ecotoxicology, 2013
    Co-Authors: S. A. Osemeahon, O. N. Maitera, A. J. Hotton, B. J. Dimas
    Abstract:

    Urea formaldehyde resin was reactively blended with various concentrations (10 to 70%) of cassava starch in order to develop a paint binder for emulsion paint formulation. Some physical properties and formaldehyde emission of the blended resin were investigated. Viscosity initially decreased before a gradual increase was noted with increase in starch concentration. Refractive index and elongation at break increased initially but gradually decreased with cassava starch content in the blend. Gel time, density, melting point, moisture uptake and formaldehyde emission decreased with increase in starch inclusion. The interaction between the two different polymers shows that 50% starch was the optimal loading inclusion. This new system has advantages of low brittleness, low formaldehyde emission and water reduction characteristics. Therefore the polymer blend can be recommended as binder for Coating Industry.   Key words: Urea formaldehyde, starch, copolymer, binder.

S. A. Osemeahon - One of the best experts on this subject based on the ideXlab platform.

  • Influence of starch addition on properties of methylolated urea/starch copolymer blends for application as a binder in the Coating Industry
    Journal of Toxicology and Environmental Health Sciences, 2015
    Co-Authors: S. A. Osemeahon, O. N. Maitera, A. J. Hotton, B. J. Dimas
    Abstract:

    Urea formaldehyde resin was reactively blended with various concentrations (10 to 70%) of Cassava starch in order to formulate a paint binder for emulsion paint formulation. Some physical properties and formaldehyde emission of the blended resin were investigated. Viscosity initially decreased before a gradual increase was noted with increase in starch concentration. Refractive index and elongation at break increased initially but gradually decreased with Cassava starch content in the blend. Gel time, density, melting point, moisture uptake and formaldehyde emission decreased with increase in starch inclusion. The interaction between the two different polymers shows that 50% starch was the optimal loading inclusion. This new system has advantages of low brittleness, low formaldehyde emission and water reduction characteristics. Therefore the polymer blend can be recommended as binder for Coating Industry.   Key words: Urea formaldehyde, starch, copolymer, binder.

  • Influence of starch addition on properties of urea formaldehyde/starch copolymer blends for application as a binder in the Coating Industry
    2013
    Co-Authors: S. A. Osemeahon, O. N. Maitera, A. J. Hotton, B. J. Dimas
    Abstract:

    Urea formaldehyde resin was reactively blended with various concentrations (10 to 70%) of cassava starch in order to develop a paint binder for emulsion paint formulation. Some physical properties and formaldehyde emission of the blended resin were investigated. Viscosity initially decreased before a gradual increase was noted with increase in starch concentration. Refractive index and elongation at break increased initially but gradually decreased with cassava starch content in the blend. Gel time, density, melting point, moisture uptake and formaldehyde emission decreased with increase in starch inclusion. The interaction between the two different polymers shows that 50% starch was the optimal loading inclusion. This new system has advantages of low brittleness, low formaldehyde emission and water reduction characteristics. Therefore the polymer blend can be recommended as binder for Coating Industry.   Key words: Urea formaldehyde, starch, copolymer, binder.

  • influence of starch addition on properties of urea formaldehyde starch copolymer blends for application as a binder in the Coating Industry
    Journal of Environmental Chemistry and Ecotoxicology, 2013
    Co-Authors: S. A. Osemeahon, O. N. Maitera, A. J. Hotton, B. J. Dimas
    Abstract:

    Urea formaldehyde resin was reactively blended with various concentrations (10 to 70%) of cassava starch in order to develop a paint binder for emulsion paint formulation. Some physical properties and formaldehyde emission of the blended resin were investigated. Viscosity initially decreased before a gradual increase was noted with increase in starch concentration. Refractive index and elongation at break increased initially but gradually decreased with cassava starch content in the blend. Gel time, density, melting point, moisture uptake and formaldehyde emission decreased with increase in starch inclusion. The interaction between the two different polymers shows that 50% starch was the optimal loading inclusion. This new system has advantages of low brittleness, low formaldehyde emission and water reduction characteristics. Therefore the polymer blend can be recommended as binder for Coating Industry.   Key words: Urea formaldehyde, starch, copolymer, binder.

  • application of methylol urea natural rubber copolymer composite for emulsion paint formulation
    International Journal of Biological and Chemical Sciences, 2010
    Co-Authors: S. A. Osemeahon, I I Nkafamiya
    Abstract:

    This work is a follow up to our quest to develop emulsion paint from amino resin. Both pure urea methylol (MU) and methylol urea/Nature rubber (MU/NR) blend were prepared. Some physico-chemical properties such as viscosity, melting point, moisture uptake, refractive index, density, elongation at break and formaldehyde emission of both MU and MU/NR were evaluated. The result revealed that MU/NR blend possesses better water resistant, hardness, flexibility and low formaldehyde mission while the pure MU gave better refractive index. Emulsion paints were also formulated from both resins and some physico-chemical properties namely pH, viscosity, flexibility, hardness, tackiness, resistance to blistering, dry time, gloss and storage stability were investigated. Emulsion paint derived from MU/NR binder except for gloss passed the entire test conducted while the one from pure MU binder failed flexibility, adhesion, hardness, tackiness and dry time. This work presents MU/NR paint as a high quality one and hence, may introduce a novel emulsion paint derived from MU/NR binder into the Coating Industry. Key words : Amino resin, methylol urea, natural rubber, binder, emulsion paint.

Saeed Farrokhpay - One of the best experts on this subject based on the ideXlab platform.

  • Application of Spectroscopy and Microscopy Techniques in Surface Coatings Evaluation: A Review
    Applied Spectroscopy Reviews, 2012
    Co-Authors: Saeed Farrokhpay
    Abstract:

    Abstract: This article presents a review of the published articles related to the novel application of spectroscopy and microscopy methods in paint and Coatings quality evaluation. Traditional and simple techniques have been used in paint and Coating Industry for many years and proven to be effective. However, the paint and Coating Industry faces new formulations with nontraditional applications. Therefore, the Industry needs to adjust itself with the current sophisticated production and testing methods. There are a number of modern microscopy and spectroscopy techniques that can be utilized in the paint and Coating Industry for a better understanding of the product quality and/or application performance. This, in particular, is highly applicable in modern and nontraditional applications such as nanotechnology and smart Coatings. Though importance of spectroscopy and microscopy methods is being increasingly recognized in the Industry, there is no current comprehensive review available to highlight the nee...

Zhijiong Huang - One of the best experts on this subject based on the ideXlab platform.

  • Sector-based VOCs emission factors and source profiles for the surface Coating Industry in the Pearl River Delta region of China.
    The Science of the total environment, 2017
    Co-Authors: Zhuangmin Zhong, Qing'e Sha, Junyu Zheng, Zibing Yuan, Zongjiang Gao, Zhuoyun Zheng, Zhijiong Huang
    Abstract:

    Accurate depiction of VOCs emission characteristics is essential for the formulation of VOCs control strategies. As one of the continuous efforts in improving VOCs emission characterization in the Pearl River Delta (PRD) region, this study targeted on surface Coating Industry, the most important VOCs emission sources in the PRD. Sectors in analysis included shipbuilding Coating, wood furniture Coating, metal surface Coating, plastic surface Coating, automobile Coating and fabric surface Coating. Sector-based field measurement was conducted to characterize VOCs emission factors and source profiles in the PRD. It was found that the raw material-based VOCs emission factors for these six sectors ranged from 0.34 to 0.58kg VOCs per kg of raw materials (kg·kg-1) while the emission factors based on the production yield varied from 0.59kg to 13.72t VOCs for each production manufactured. VOCs emission factors of surface Coating Industry were therefore preferably calculated based on raw materials with low uncertainties. Source profiles differed greatly among different sectors. Aromatic was the largest group for shipbuilding Coating, wood furniture Coating, metal surface Coating and automobile Coating while the oxygenated VOCs (OVOCs) were the most abundant in the plastic and fabric surface Coating sectors. The major species of aromatic VOCs in each of these six sectors were similar, mainly toluene and m/p-xylene, while the OVOCs varied among the different sectors. VOCs profiles in the three processes of auto Industry, i.e., auto Coating, auto drying and auto repairing, also showed large variations. The major species in these sectors in the PRD were similar with other places but the proportions of individual compounds were different. Some special components were also detected in the PRD region. This study highlighted the importance of updating local source profiles in a comprehensive and timely manner.

Paul M. Randall - One of the best experts on this subject based on the ideXlab platform.

  • Pollution prevention methods in the surface Coating Industry
    Journal of Hazardous Materials, 1992
    Co-Authors: Paul M. Randall
    Abstract:

    Abstract The surface Coating Industry is rapidly changing to meet environmental and economic pressures. Some of the changes include new formulations which meet environmental regulations, higher performance finishes with improved properties, continued development of solventless technologies such as powder Coatings and radiation curable Coatings, and new application methods with improved transfer efficiencies. These changes will be accelerated by the 1990 amendments to the U.S. Clean Air Act. These new enviromnental laws will require Industry through the Environmental Protection Agency (EPA) and state and local agencies to further reduce emissions of volatile organic compounds (VOCs) which are contributors to ozone formation in the lower atmosphere. The focus of this paper will be to examine the paints and Coatings Industry and those pollution prevention methods that are being applied to meet these environmental pressures. It will review the life cycle of paints and Coatings; from its inception in the manufacturing facility to its ultimate application and disposal. It will also review developing low VOC technologies that are being considered worldwide to comply with increasing VOC regulations.