Celluloid

Celluloid is a group of thermoplastic plastics that are produced by the chemical conversion of cellulose nitrate. During production, camphor is added as a plasticiser to increase the flexibility and processability of the material. This combination of cellulose nitrate and camphor results in a plastic that is meltable and mouldable.

Celluloid was the first thermoplastic to be produced on a large scale. It is characterised by its ability to melt under the influence of heat and then be cast or pressed into various shapes. This property made celluloid a versatile material that was used in numerous applications.

Despite its versatility, celluloid has a significant weakness: it is extremely flammable and can even ignite spontaneously. This high flammability posed a serious safety risk. Nevertheless, celluloid was used in many products due to the lack of suitable alternatives. It was used in the production of films, toys, household items, and even as a substitute for ivory in billiard balls and piano keys.

However, the use of celluloid declined over time as safer and less flammable plastics were developed. Despite its historical significance, celluloid remains an interesting example of the early developments in plastics engineering and the challenges associated with the introduction of new materials.