21. The oldest films were recorded on nitrocellulose film, this was replaced with cellulose acetate film. 22. They put on cellulose acetate microfilm many historical events of the 19th and 20th centuries. 23. The second largest use of acetic acid is consumed in the production of cellulose acetate . 24. Cellulose acetate can be found in many household products.25. After World War II, the material was switched from nickel alloy wire to cellulose acetate . 26. The cellulose acetate and cellulose triacetate are film-and fiber-forming materials that find a variety of uses. 27. Cigarettes are ignited and inhaled, usually through a cellulose acetate filter, into the mouth and lungs. 28. During World War I his relatively non-inflammable synthetic cellulose acetate lacquers were important in the aircraft industry. 29. As such, its major application is for cellulose acetate , a synthetic textile also used for photographic film. 30. Cellit was a stable, non-brittle cellulose acetate polymer that could be dissolved in acetone for further processing.
