What chemical process, perfected later by Charles Goodyear, was absent from Macintosh's original rubber application?

Answer

Vulcanization

The original coats suffered because they lacked vulcanization, the chemical process that stabilizes rubber molecules against heat and cold.

What chemical process, perfected later by Charles Goodyear, was absent from Macintosh's original rubber application?

#Videos

The story of Charles Mackintosh - he invented rainwear! - YouTube

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