pls.鏡框感覺很脆弱... - 眼鏡

By Audriana
at 2010-03-23T13:27
at 2010-03-23T13:27
Table of Contents
推 hubert0719:兩年前配過霧面黑框當兵用 現在整付都白白 像撒痱子粉03/23 01:05
賽璐璐(硝酸纖維,celluloid)
化學式
http://www.xinyite.cn/book/edit/UploadFile/20066817938888.jpg

將R置換為H或NO^2即為硝酸纖維..
遇到熱,紫外線,酸,鹼..
其亞硝酸基都很容易被置換出來而變質..
因此要避免放在過熱或被陽光曝曬的環境..
非中性溶液及汗水也要儘可能的避免..
微溶於醇..易溶於酮,酯..
因此酒精,去光水之類的中性非腐蝕溶液也要盡量避免..
相關資訊可以參考
http://www.getty.edu/conservation/publications/pdf_publications/nitrate.pdf
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眼鏡
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By Madame
at 2010-03-26T14:27
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