丙酸钙水酒精溶液对纸质文物脱酸效果的影响  

Influence of calcium propionate-water-ethanol mixed solution on deacidification effect on paper-cultural relics

作　　者：梁义 卿梅 

机构地区：[1]广州市白云文物保护工程有限公司,广东广州510540

出　　处：《文物保护与考古科学》2009年第2期44-47,共4页Sciences of Conservation and Archaeology

摘　　要：为考察丙酸钙作为新型脱酸溶质、水-乙醇作为混合溶剂用于纸质文物脱酸效果。针对不同质量丙酸钙的水-乙醇饱和溶液、不同的水与乙醇的质量比、去酸溶液的量及纸张在溶液中浸泡的时间等因素,对纸张脱酸效果的影响做了系列研究。结果表明,丙酸钙为3g的水-乙醇饱和溶液用于纸张脱酸具有较好的效果,纸张在该溶液中浸泡后pH值为7左右,且自然干燥速度快,基本不发皱、不变色。A new mixed system of Ca （ CH3 CH2COO） 2-H2O--CH3 CH2OH is used in deacidification of paper - cultural relics. Effect of different quantities of calcium propionate in the mixed water - ethanol saturated solution, the ratio of water and ethanol, the volume of mixed solution, and the time of paper dipping in solution are studied for acid - removing from paper cultural relics. The results suggest that the effect of acid removing from paper is better when calcium propionate is 3g in the water- ethanol saturate solution. After immersed in the mixed solution, the value of paper＇s pH is about 7, the natural drying speed of paper is fast, no color changing and no crimple observed in the paper.

关 键 词：丙酸钙 水-乙醇混合溶剂 纸质文物 脱酸 

分 类 号：K876.9[历史地理—考古学及博物馆学]