Organic vs inorganic light stabilizers for waterborne clear coats: a fair comparison

Schaller, Christian; Rogez, Daniel; Braig, Adalbert

doi:10.1007/s11998-011-9380-8

Cited by 29 publications

(18 citation statements)

References 5 publications

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“…The combination of inorganic and organic UV absorbers was also effective and showed synergistic effects on the gloss of the coatings [67]. Schaller and co-workers also compared the ability of different organic and inorganic photostabilizers to prevent the deterioration of clear-coated pine panels exposed to accelerated weathering [68]. Their panels were pre-treated with a lignin stabilizer and the acrylic coating they tested also contained a HALS [68].…”

Section: Inorganic Photostabilizersmentioning

confidence: 99%

“…Schaller and co-workers also compared the ability of different organic and inorganic photostabilizers to prevent the deterioration of clear-coated pine panels exposed to accelerated weathering [68]. Their panels were pre-treated with a lignin stabilizer and the acrylic coating they tested also contained a HALS [68]. They found that a triazine UVA outperformed all other photostabilizers including the inorganic nanoparticles [68].…”

Section: Inorganic Photostabilizersmentioning

confidence: 99%

“…Their panels were pre-treated with a lignin stabilizer and the acrylic coating they tested also contained a HALS [68]. They found that a triazine UVA outperformed all other photostabilizers including the inorganic nanoparticles [68]. The best inorganic photostabilizer was titanium dioxide, which outperformed zinc oxide and cerium dioxide nanoparticles [68].…”

Section: Inorganic Photostabilizersmentioning

confidence: 99%

“…They found that a triazine UVA outperformed all other photostabilizers including the inorganic nanoparticles [68]. The best inorganic photostabilizer was titanium dioxide, which outperformed zinc oxide and cerium dioxide nanoparticles [68]. Ozgenc and co-workers compared the effects of micronized titanium dioxide and a triazine UVA in an acrylic clear coating on the discolouration of coated Scots pine and European beech exposed to accelerated weathering [69].…”

Section: Inorganic Photostabilizersmentioning

confidence: 99%

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The Search for Durable Exterior Clear Coatings for Wood

et al. 2015

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Abstract:The goal of a durable exterior clear coating has eluded generations of coatings technologists, despite long-standing desire amongst the public for such a coating. The journey towards this goal initially focused on modifications to coating formulation, but took a completely different direction when it was found that a UV-transparent silicone clear coating on wood modified with chromic acid met consumer expectations of coating durability. This finding sparked world-wide interest in wood pre-treatments as a way of enhancing the durability of clear coatings. This interest initially focused on transition metal compounds, but has now shifted in the direction of organic and inorganic photostabilizers or even more drastic pre-treatments. Pre-treatments that dimensionally stabilize wood, protect it from microbial degradation and photostabilize lignin, when combined with flexible, photostable, coatings provide the next way-stop on the journey towards achieving the goal of durable exterior clear coatings for wood. This paper reviews this journey, drawing upon our research and that of other groups who have focused on this elusive goal. OPEN ACCESSCoatings 2015, 5 831

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Section: Inorganic Photostabilizersmentioning

confidence: 99%

Section: Inorganic Photostabilizersmentioning

confidence: 99%

Section: Inorganic Photostabilizersmentioning

confidence: 99%

Section: Inorganic Photostabilizersmentioning

confidence: 99%

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The Search for Durable Exterior Clear Coatings for Wood

et al. 2015

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“…Here, suitable mechanical properties of coatings, such as strength, stiffness and ductility, are required to resist stresses due to swelling and shrinkage of the wood substrate. Additionally, functional additives are applied and many organic and inorganic compounds are introduced to coating systems to achieve improved UV, micro-organism or scratch resistance [3][4][5][6]. Agglomeration, migration, and leaching of these components are a known problem.…”

Section: Introductionmentioning

confidence: 99%

Nanofibrillated cellulose in wood coatings: mechanical properties of free composite films

et al. 2014

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Composite films of nanofibrillated cellulose (NFC), derived from beech wood pulp, and 8 commercial acrylic and alkyd polymeric binders were prepared. Structural and mechanical properties of the composites were assessed by microscopy and tensile tests before and after aging. While the NFC was compatible with acrylate polymers, it formed undesired aggregates during processing with the alkyd polymers. Modulus of elasticity, tensile strength, and elongation at break of prepared films depended on the initial properties of the neat polymers. All composite films were stiffer, stronger, and less extensible than the corresponding neat polymer films. The reinforcing effect increased with increasing NFC content. Aging by artificial weathering strongly affected the mechanical properties of neat polymer and composite films. Alkyd films became, compared to the acrylate films, much stiffer and more brittle after artificial weathering. The results of the mechanical tests are regarded as promising step to use NFC as novel component in wood coatings.

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Wood, Surface Treatment

Grüll¹,

Hansemann²

2023

Ullmann's Encyclopedia of Industrial Chemistry

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Organic vs inorganic light stabilizers for waterborne clear coats: a fair comparison

Cited by 29 publications

References 5 publications

The Search for Durable Exterior Clear Coatings for Wood

The Search for Durable Exterior Clear Coatings for Wood

Nanofibrillated cellulose in wood coatings: mechanical properties of free composite films

Wood, Surface Treatment

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