description Charles Macintosh Overview
Charles Macintosh was a Scottish chemist and inventor associated with the development of practical waterproof fabric. In 1823 he patented a method of placing rubber dissolved in a coal-tar-derived solvent between layers of cloth, creating material that resisted rain while enclosing the sticky rubber surface. His surname became associated with the mackintosh, a waterproof coat made from rubberized fabric.
insights Ranking position
Charles Macintosh ranks #242 of 422 in the Inventor ranking, behind Charles Steinmetz, ahead of Gideon Sundback.
help Charles Macintosh FAQ
What was Charles Macintosh famous for inventing?
Charles Macintosh was a Scottish chemist who invented the first commercially viable waterproof fabric in 1823. He achieved this by dissolving rubber in coal tar naphtha and sandwiching it between two layers of cloth, giving his name to the mackintosh raincoat.
How did Charles Macintosh create his waterproof fabric?
He used a byproduct of the coal gasification process, naphtha, to liquefy rubber and bond it between wool textiles. This 1823 patent prevented the rubber from becoming sticky in the heat and brittle in the cold.
Where did Charles Macintosh conduct his chemical research?
He conducted his industrial research and manufacturing in Glasgow, Scotland. He partnered with Hugh Birley, a cotton manufacturer from Manchester, to mass-produce the waterproof coats.
When did the Mackintosh raincoat become popular?
The raincoat gained significant popularity in the 19th century, particularly after being adopted by the British military. The rubberized coats were heavily utilized during the Crimean War and World War I to protect soldiers from harsh weather.
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