Study of the attack of acidic solutions on melamine-acrylic basecoat/clearcoat paint systems

Rodgers, William R.; Garner, David P.; Cheever, G. D.

doi:10.1007/bf02720505

Cited by 18 publications

(6 citation statements)

References 5 publications

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“…The reaction rate of coatings undergoing hydrolysis was studied in the automotive industry, with a focus on acrylic-melamine clearcoats in acid rain conditions. By observing changes in absorbance, using Attenuated Total Reectance (ATR), for important functional groups, reaction rates can be estimated [112] [11,113,114], and relative reactivity of similar molecules in acidic aqueous conditions are shown [115].…”

Section: Functional Groupsmentioning

confidence: 99%

“…The appearance or disappearance of absorption peaks provide indications of new functional groups or the disappearance of others. This change in absorption peaks is useful if one wants to determine the chemical reaction rate of species in the lm, as was performed by Rodgers [112]. He related disappearance rates of ester and triazine in an automotive melamine-acrylic coating to the rate of hydrolysis caused by acid rain and subsequent scissoring of chemical bonds in the resin.…”

Section: Analysis Of Chemical Changementioning

confidence: 99%

See 1 more Smart Citation

Acid-resistant organic coatings for the chemical industry: a review

Møller

Dam‐Johansen

Frankær³

et al. 2017

J Coat Technol Res

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Section: Functional Groupsmentioning

confidence: 99%

Section: Analysis Of Chemical Changementioning

confidence: 99%

Acid-resistant organic coatings for the chemical industry: a review

Møller

Dam‐Johansen

Frankær³

et al. 2017

J Coat Technol Res

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“…169 Figure 16.22 shows the effect of changes in acid concentration on the glass transition temperature of acrylic/melamine clearcoats. 158 In laboratory studies the effect of acid rain must be included to obtain reliable data for acrylic/melamine clearcoats. 158 In laboratory studies the effect of acid rain must be included to obtain reliable data for acrylic/melamine clearcoats.…”

Section: Important Changesmentioning

confidence: 99%

Weathering of Compounded Products

Wypych¹

2013

Handbook of Material Weathering

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“…Most of the remaining acid is from the nitrogen oxides (NO x ), produced mainly in automobile exhaust gas, that are oxidized to HNO 3 (15−32%). In addition to these two main species, HCl (2-16%), produced by burning coal, is also found in the atmosphere [12]. In the actual projects, the main acid media that corrode the fire retardant coatings for outdoor use are acid rain, dew, fog and dust.…”

Section: Introductionmentioning

confidence: 99%

Study and Prediction for the Fire Resistance of Acid Corroded Intumescent Coating

Zhang

et al. 2014

Procedia Engineering

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Acid corrosion may cause the deterioration of the fire resistance of the intumescent fire retardant coatings, especially for the coatings used in the acid polluted environment. This paper reported the results of an experimental study of degradation in fire protection performance of intumescent coating for steel elements after different times of immersion in the hydrochloric acid solution. After acid erosion, the thickness of the coating thinned, the surface became rough and had cracks and broken holes. The size of the pores in the char layer was larger and uneven, and some 'cement' parts were formed in the char layer. The TG/DTG results showed in the low temperature stage the curve was relatively flat. In the medium temperature stage, the number of the weight loss troughs decreased; the shape of the troughs simplified; and the top weight loss rate increased. In the high temperature stage, the troughs near 593 °C flattened gradually, and the top weight loss rate became smaller, while the top weight loss rate became larger around 674 °C. And there were significant changes in the thermal dynamic parameters. A prediction method of remained fire resistance property for the acid erosion coatings was proposed, by comprehensively considering the physical and chemical characteristics change trends of the corroded coating. And this method can be a reference for the fire safety evaluation of the built protected steel structure.

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Study of the attack of acidic solutions on melamine-acrylic basecoat/clearcoat paint systems

Cited by 18 publications

References 5 publications

Acid-resistant organic coatings for the chemical industry: a review

Acid-resistant organic coatings for the chemical industry: a review

Weathering of Compounded Products

Study and Prediction for the Fire Resistance of Acid Corroded Intumescent Coating

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