Stainless steel powder as a protective and decorative pigment for steel structures in organic coating industries

Selvaraj, M.

doi:10.1108/00035599710157396

Cited by 10 publications

(4 citation statements)

References 2 publications

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“…The superior impact resistance behaviour indicates that the coating has formed a strong adhesive bonding over the substrate (Youssef, 1996; Selvaraj, 1997; Yasuda et al , 2001). Incorporation of 30per cent S2 in 70per cent A2 provides better impact resistance.…”

Section: Resultsmentioning

confidence: 99%

Preparation and characterisation of phenyl silicone‐acrylic polyol coatings

Vengadaesvaran

Rau

Ramesh

et al. 2010

Pigment & Resin Technology

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PurposeThe paper's aim is to investigate improvement of strength and adhesion of silicone‐acrylic hybrid systems.Design/methodology/approachThe presence of Si‐C bonds in phenyl silicone should be able to improve strength, adhesion and thermal properties of phenyl silicone‐acrylic polyol coating. Different weight ratios of phenyl silicone and acrylic polyol resins were blended in order to obtain the composition for optimum strength, adhesion and thermal properties. Strength was evaluated using an impact resistance tester. Coating adhesion was studied by measuring the contact angle and performing cross hatch cutting. The thermal properties were studied using differential scanning calorimetry.FindingsBlending phenyl silicone intermediate resin with acrylic polyol resin showed significant improvement in strength and adhesion properties compared to pure acrylic polyol resin. This paper shows that the composition of such coatings influences the glass transition temperature (Tg), which in turn affects the strength and adhesion properties of the coatings. The coating consisting of 30 per cent silicone resin and 70 per cent acrylic resin showed good adhesion and impact resistance properties on cold roll mild steel panels.Research limitations/implicationsFindings may be useful in the development of heat resistant and anti‐corrosion paints.Practical implicationsThe blending method provides a simple and practical solution to improve the strength and adhesion properties of acrylic polyol resins.Originality/valueDurability and functionality of the coating critically depend on the strength and adhesion properties of the materials. This may be a useful source of information for the development of organic‐inorganic coatings.

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Section: Resultsmentioning

confidence: 99%

Preparation and characterisation of phenyl silicone‐acrylic polyol coatings

Vengadaesvaran

Rau

Ramesh

et al. 2010

Pigment & Resin Technology

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“…For common silicone coating, the potential decreased gradually and reaches the mild steel corrosion potential (2 692 mV) on the 30th day with respect to saturated calomel electrode (SCE). This shows that the corrosive ions reached the metal surface and started the corrosion process (Mathivanan and Radhakrishna, 1998;Selvaraj, 1997;Gowri and Balakrishnan, 1994;Selvaraj and Guruviah, 1987).…”

Section: Introductionmentioning

confidence: 92%

Evaluation of heat resistant properties of silicone‐acrylic polyol coating by electrochemical methods

Vengadaesvaran

Rau

Ramesh

et al. 2013

Pigment &Amp; Resin Technology

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Purpose-The purpose of this paper is to investigate the heat resistance properties of silicone-acrylic hybrid system on cold rolled mild steel panel. Design/methodology/approach-The presence of SiZC bonds in hydroxyl functional solid phenyl-methyl silicone should be able to improve heat resistance properties of silicone-acrylic polyol coating. Different weight ratios of silicone resin and acrylic polyol resins were blended in order to obtain the composition for optimum thermal properties. Thermal stability of silicone based protective coatings has been investigated by means of potential time measurement (PTM) and electrochemical impedance spectroscopy (EIS) techniques. Findings-The blending of silicone intermediate resin with acrylic polyol resins. The coating consisting of 30 per cent silicone resin and 70 per cent acrylic resin showed significant improvement of heat resistivity compared to pure acrylic polyol resins on cold roll mild steel panels. This study demonstrates an interesting correlation between PTM and EIS studies. Research limitations/implications-Findings may be useful in the development of heat resistant paints. Practical implications-The blending method provides a simple and practical solution to improve the heat resistance properties of acrylic polyol resins. Originality/value-Durability and functionality of the coating, critically depend on the strength and adhesion properties of the materials. This may be a useful source of information for the development of organic-inorganic coatings.

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“…[ 24 ] In addition, due to the long fatty acid carbon chain and amino group in the structure of polyamide, the cured product can have strong toughness, adhesion and water resistance, long service life, good construction performance, and stability. [ 25 ] It is necessary to study the pretreatment process of the substrate to enhance the interlayer adhesion strength. In this research, the influence of sandpaper abrasion, machining, and sandblasting on surface roughness of the substrate and the interlayer adhesion strength between the coating and the substrate were studied.…”

Section: Introductionmentioning

confidence: 99%