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- 01GJZ3BKAEGNJW4HVSXJZPS655 classification A1.
- 01GJZ3BKAEGNJW4HVSXJZPS655 date "2022".
- 01GJZ3BKAEGNJW4HVSXJZPS655 language "eng".
- 01GJZ3BKAEGNJW4HVSXJZPS655 type journalArticle.
- 01GJZ3BKAEGNJW4HVSXJZPS655 hasPart 01GJZ3C5WG8DTFFS4THX770Q0H.pdf.
- 01GJZ3BKAEGNJW4HVSXJZPS655 subject "Technology and Engineering".
- 01GJZ3BKAEGNJW4HVSXJZPS655 doi "10.3390/su142315488".
- 01GJZ3BKAEGNJW4HVSXJZPS655 issn "2071-1050".
- 01GJZ3BKAEGNJW4HVSXJZPS655 issue "23".
- 01GJZ3BKAEGNJW4HVSXJZPS655 volume "14".
- 01GJZ3BKAEGNJW4HVSXJZPS655 abstract "An important polymer processing technique is additive manufacturing (AM), which enables shape-free design of complex final parts with limited waste during the development change, at least if the impact of molecular degradation reactions is minimized. In the present work, polystyrene (PS) and acrylonitrile butadiene styrene (ABS) polymer have been processed via: (i) fused filament fabrication (FFF), separately accounting for the prior single screw extrusion (SSE) filament production; and (ii) pellet-based additive manufacturing (PBAM), which are two important AM techniques. The influence of printing temperature, layer thickness, printing velocity, and printing technique on the degradation of both polymeric materials is studied by means of thermogravimetric analysis (TGA), size exclusion chromatography (SEC), small amplitude oscillatory shearing tests (SAOS), Fourier-transform infrared spectroscopy (FTIR), and yellowness index (YI) measurements. For ABS, SSE-FF leads to more fission (higher mechanical loading) whereas PBAM results in more cross-linking (more thermal loading). For PS, fission is always dominant and this more evident under FFF conditions. ABS also exhibits yellowing upon processing, indicating thermo-oxidative degradation although below the FTIR sensitivity limit. The selected PBAM conditions with PS are already delivering printed specimens with good mechanical properties and lower degradation. For ABS, a further PBAM optimization is still desired compared to the FFF countercase, taking into account layer-by-layer adhesion.".
- 01GJZ3BKAEGNJW4HVSXJZPS655 author 287750B6-F0EE-11E1-A9DE-61C894A0A6B4.
- 01GJZ3BKAEGNJW4HVSXJZPS655 author 4357E39C-AB0E-11E8-9968-CE8A5607D3EF.
- 01GJZ3BKAEGNJW4HVSXJZPS655 author 45FBAAD6-20C9-11E8-94BF-E68212A95AF2.
- 01GJZ3BKAEGNJW4HVSXJZPS655 author 90b173d4-fcfb-11e9-8d98-cd3bb79cd7d0.
- 01GJZ3BKAEGNJW4HVSXJZPS655 author F84BBC7E-F0ED-11E1-A9DE-61C894A0A6B4.
- 01GJZ3BKAEGNJW4HVSXJZPS655 author F8DDCF06-F0ED-11E1-A9DE-61C894A0A6B4.
- 01GJZ3BKAEGNJW4HVSXJZPS655 dateCreated "2022-11-28T12:28:27Z".
- 01GJZ3BKAEGNJW4HVSXJZPS655 dateModified "2024-10-29T15:58:28Z".
- 01GJZ3BKAEGNJW4HVSXJZPS655 name "Thermal and thermal-oxidative molecular degradation of polystyrene and acrylonitrile butadiene styrene during 3D printing starting from filaments and pellets".
- 01GJZ3BKAEGNJW4HVSXJZPS655 pagination urn:uuid:89153d0d-0c25-4340-ac5a-0dc2cf6bf479.
- 01GJZ3BKAEGNJW4HVSXJZPS655 sameAs LU-01GJZ3BKAEGNJW4HVSXJZPS655.
- 01GJZ3BKAEGNJW4HVSXJZPS655 sourceOrganization urn:uuid:87506b0d-104b-4077-81ed-43531616e02c.
- 01GJZ3BKAEGNJW4HVSXJZPS655 type A1.