一引言何谓“漆”?中国古代对“漆”字定义很早,东汉许慎《说文解字》中对“桼”字释曰:“桼,木汁也,可以髹物,从木象形。桼如水滴而下也。”从漆字可以看出,漆是从漆树上割下来的白色液汁,称之为“生漆”、“天然漆”、“大漆”等,主要成分为漆酚。漆树是一种多年生落叶乔木(图一至图三),中国是漆树的原产地,至今漆林分布极广,主要分布于甘肃南部至山东一带以南各地(图四)。天 In ancient China, the definition of “lacquer” was very early. In the Eastern Han Dynasty, Xu Shen’s “Shuo Wen Jie Zi” was interpreted as “ Can paint, wood from the hieroglyphics. 桼 as the water drops down. ”“ From the lacquer can be seen, the paint is cut off from the tree of white juice, called ”lacquer“, ”natural paint“ , ”Lacquer " and so on, the main component is urushiol. Lacquer tree is a perennial deciduous tree (Figure 1 to Figure 3), China is the origin of Lacquer tree, varnish has a very wide distribution, mainly distributed in southern Gansu to Shandong around the south (Figure IV). day