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indonesia wet ball mills
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indonesia wet ball mills


Cellulose is treated with sulfuric acid and potassium nitrate to give cellulose mononitrate. In 1855, the first man made plastic, nitrocellulose branded Parkesine, patented in 1862, was created by Alexander Parkes from cellulose treated with nitric acid and a solvent. In 1868, American inventor John Wesley Hyatt developed a plastic material he named Celluloid, improving on Parkes' invention

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