…White wax is white to pale yellow, has a specific gravity of 0.964-1.005, a melting point of 48-54°C, and is mainly composed of glycerides of palmitic acid (81%) and oleic acid (13%). Another characteristic of wood wax is that it contains 6% of the dibasic acid Japanese acid C 19 H 38 (COOH) 2 , which is said to give it its dense crystallinity and tough physical properties. It is used in cosmetics such as pomades, lipsticks, and creams, stationery such as crayons, polishing agents, paint raw materials, wax molding materials, and textile treatment agents, and was exported to the United States and Europe, but has recently been largely replaced by petroleum paraffin and synthetic waxes. … *Some of the terminology that mentions "japanic acid" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…白蠟は,白色~淡黄色で,比重0.964~1.005,融点48~54℃,主成分はパルミチン酸(81%)およびオレイン酸(13%)のグリセリドである。また木蠟の特徴として6%の二塩基酸の日本酸japanic acid C19H38(COOH)2を含み,この組成が緻密(ちみつ)な結晶性,粘靱(ねんじん)な物性を与えているとされている。ポマード,口紅,クリームなどの化粧品,クレヨンなどの文具,つや出し剤,塗料原料,また蠟型材,繊維処理剤などに用いられ,アメリカ,ヨーロッパなどにも輸出されていたが,最近は石油パラフィンや合成ワックスに大きく代替されている。… ※「japanic acid」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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