Abstract
In this chapter an overview of thermoplastic polymers used in fuse deposition modeling 3D printing is given. Only the most common polymers that are used in the form of commercially available 3D printing filaments are considered. Polymers are presented following the pyramid of polymers classification, ranging from commodity (high-density PE, polypropylene, poly(methyl methacrylate), polystyrene, and poly(vinyl alcohol)), engineering (acrylonitrile butadiene styrene, acrylonitrile styrene acrylate, polylactide, polyamide, polyesters, polycarbonate, thermoplastic polyurethane) to high-performance polymers (polyetherimide, polyether ether ketone, polyphenylsulfone). The description of each polymer starts with a short introduction, description of chemical structure and polymer synthesis, polymer characteristics, its processing, applications, and ends with recycling. The emphasis is on 3D printing, which includes recommendations for print settings, features of printing process, printing tips, and characteristics of printed object. Advantages and disadvantages are highlighted and some typical properties of 3D printing filament are given. Briefly, composites and speciality 3D printing filaments offered on a commercial basis are described, too.
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