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TPU is one thermoplastic elastomer used in fused filament deposition (FFD) 3D printing. The absence of warping and lack of need for primer makes it an ideal filament for 3D printers when objects need to be flexible and elastic. Since TPU is a thermoplastic, it can be melted by the 3D printer's hotend, printed, then cooled into an elastic solid.
Covestro AG is a German company producing polyurethane and polycarbonate raw materials. Products include isocyanates and polyols for cellular foams, thermoplastic polyurethane and polycarbonate pellets, as well as polyurethane based additives used in the formulation of coatings and adhesives. [2]
Merquinsa (2011), a maker of thermoplastic polyurethane [43] Nalco Company's Nalco Performance Products Group (2011), a personal care and household care specialty polymers and formulation additives business [44] Dow Chemical Co.'s thermoplastic polyurethane business (2008) [45] Metalworking additives from Lockhart Chemical Co. (2007) [46]
Thermoplastic elastomers; Polypyrrole (PPY), a conductive polymer, for intrinsically conducting hot-melt adhesives (ICHMAs), used for EMI shielding. [33] EVA compounded with 0.1–0.5 wt.% PPY are strongly absorbing in near infrared, allowing use as near-infrared activated adhesives. [34] various other copolymers [35]
Polyurethane synthesis, wherein the urethane groups −NH−(C=O)−O− link the molecular units A kitchen sponge made of polyurethane foam . Polyurethane (/ ˌ p ɒ l i ˈ jʊər ə ˌ θ eɪ n,-j ʊəˈr ɛ θ eɪ n /; [1] often abbreviated PUR and PU) refers to a class of polymers composed of organic units joined by carbamate (urethane) links.
UFP’s growing medical customer base prompted its investment in cleanroom production starting in 1994. In 2001 the company introduced thermoplastic polyurethane (TPU) based pouches and bags as an alternative to foam packaging for the orthopedic implant market. Additional acquisitions expanded its medical foams access and capabilities for a ...
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