用于艺术品保护的清漆配方的低毒溶剂组合物

IF 0.4 0 HUMANITIES, MULTIDISCIPLINARY

Conservar Patrimonio Pub Date : 2020-12-14 DOI:10.14568/cp2020041

Mariah Boelsums, J. C. D. F. Júnior, L. A. Souza

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引用次数: 1

摘要

清漆主要由树脂和溶剂组成。芳香族溶剂广泛用于清漆配方，但它们具有相当大的毒性，需要更换。研究了含氧溶剂（乙酸乙酯或乙酸异戊酯）和环己烷作为清漆配方中二甲苯的可能替代品的两种二元溶剂体系。使用全球化学品统一分类和标签制度和国家职业安全与健康研究所的数据分析了溶剂的毒性。Damar、Paraloid B72、Regalrez 1094和Laropal K80树脂在这些溶剂中的溶解度通过Hansen和Teas溶解度参数、西格玛曲线和实验方法进行评估。蒸汽压测量是从溶剂中获得的，粘度和光泽测量是从清漆配方中获得的。结果表明了二元溶剂体系作为二甲苯替代品的潜力，但需要进一步研究它们对其应用的图像材料的影响。

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Low Toxicity Solvent Compositions for Varnishes Formulations for Use in Art Conservation

Varnishes consist basically of a resin and solvent. Aromatic solvents are widely used for varnish formulations, but they present considerable toxicity which requires their replacement. Two binary solvent systems with an oxygenated solvent (ethyl acetate or isoamyl acetate) and cyclohexane were studied as possible substitutes for xylene in varnish formulations. The toxicity of solvents was analyzed using data from the Globally Harmonized System of Classification and Labeling of Chemicals and the National Institute for Occupational Safety and Health. The solubility of Damar, Paraloid B72, Regalrez 1094, and Laropal K80 resins in these solvents was evaluated by Hansen and Teas Solubility Parameters, sigma profiles, and experimental method. Vapor pressure measurements were obtained from solvents and viscosity and gloss measurements from varnish formulations. The results indicated the potential of binary solvent systems as substitutes for xylene, but require further studies on their effects on pictorial materials on which they are applied.

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来源期刊

Conservar Patrimonio HUMANITIES, MULTIDISCIPLINARY-

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

12 weeks

期刊介绍： Conservar Património is a journal, published three times a year, that intends to create a space for the diffusion of conservator-restorers’ studies and activities. However, at a time when Conservation-Restoration pretends to develop further through collaboration with other areas of knowledge, such as History of Art, Archaeology, Museum Studies, Chemistry, Physics, Biology and other related disciplines from the fields of the natural and social sciences, the journal also receives contributions from any other provenance as long as directed towards the multiple dimensions of the works that integrate our Cultural Heritage. Theoretical issues on the conservation activity may also be submitted.