塗改液的起源和歷史

中國古代-雌黃

中國古代就使用雌黃（三硫化二砷）塗改文字，作用有如現代塗改液。後來「雌黃」更衍生篡改文章的意思，成語「信口雌黃」的典故由此而來。

1951-美國發明

塗改液於1951年由美國人贝蒂·奈史密斯·格莱姆（Bette Nesmith Graham）發明。她最初的目的是為了修正打字錯誤，這一創新迅速受到歡迎。

塗改液成分

塗改液的主要成分包括固體的鈦白粉和液體的溶劑，這些成分的選擇和配比影響了塗改液的性能和使用效果。

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Origins and History of Correction FluidAncient China - White Arsenic

In ancient China, white arsenic (arsenic trisulfide) was used to correct written text, serving a purpose similar to that of modern correction fluid. The term "white arsenic" later evolved to imply the act of altering documents, giving rise to the idiom "to speak carelessly" (信口雌黃).

1951 - Invention in the United States

Correction fluid was invented in 1951 by American Bette Nesmith Graham. Her initial purpose was to correct typing errors, and this innovation quickly gained popularity.

Ingredients of Correction Fluid

The main components of correction fluid include solid titanium dioxide and liquid solvents. The selection and ratio of these ingredients affect the performance and effectiveness of the correction fluid.