Antiplasticization is the act of decreasing the plasticity of a substance. Synonyms for this term include deplasticization, plasticizer removal, and polymer hardening. These terms can be used interchangeably to describe the process of reducing the elasticity, malleability, and flexibility of a material. Antiplasticization is typically achieved by removing plasticizers, which are chemicals added to materials to improve their flexibility and durability. Without these additives, materials become stiffer and more brittle. Antiplasticization is often used in industries such as manufacturing, construction, and packaging, where the rigidity of materials is essential for their performance and safety.