Abstract
Polymer based additive manufacturing mostly relies on the properties of extruding thermoplastic material and material jetting, binder jetting, sheet lamination orientation, and vat photopolymerization. There are numerous polymers such as thermoplastic, elastomers, hydrogels, composites, functional polymers, biomaterials, etc., which are currently being used to meet the needs of industries for producing customized products in the biomedical and electronic fields. Additive manufacturing (3D printing) requires best polymer design and additives as they directly impact build speed, accuracy, surface finish, mechanical properties, and product stability. Now-a-days, there are certain applications in which additive manufacturing is employed to produce light weight products and in dentistry, architecture, flexible electronics, and drug delivery. This chapter discusses the present status of, and advances in, polymer materials and composites that use additive manufacturing technologies like selective laser sintering and stereolithography. These advanced polymer composites offer enhanced mechanical, electrical, and optical properties and find major applications in the biomedical and aerospace fields.
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