Printability of elastomer latex for additive manufacturing or 3D printing

Lukić, Maria; Clarke, Jane; Tuck, Christopher; Whittow, William G.; Wells, Garry

doi:10.1002/app.42931

Cited by 54 publications

(27 citation statements)

References 8 publications

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“…Despite the aforementioned advantages, the application of SLA 3D printing mainly hinges on the photosensitive resin. At present, there are still many problems in the resin that stymie the development of SLA 3D printing, such as limited resin types, an insufficient mechanical strength, resin odor, long‐term stability, and cost . In addition, processing conditions with the required phase change through reactions that are very fast, even at room temperature, are a substantial challenge for the development of radically new materials; therefore, progress has been rather incremental up to this point …”

Section: Introductionmentioning

confidence: 99%

Acrylate‐based photosensitive resin for stereolithographic three‐dimensional printing

Zhang

et al. 2019

J of Applied Polymer Sci

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In this article, we report an acrylate-based three-dimensional (3D) printing stereolithography rapid-prototyping photosensitive resin with a low viscosity, small volumetric shrinkage, high photoreactivity, and excellent strength. The resin was a compound prepared with bisphenol A epoxy acrylate (BAEA) as the main matrix, 1,6-hexanediol diacrylate (HDDA) and tri(propylene glycol) diacrylate (TPGDA) as reactive diluents, pentaerythritol triacrylate (PETA) as the crosslinking agent, and 2-hydroxy-2-methyl propiophenone (1173) and diphenyl(2,4,6-trimethyl benzoyl)phosphine oxide (TPO) as photoinitiators. The photocuring kinetics of the resins with different photoinitiator types and loadings were studied via real-time IR spectroscopy, which provided insights into the optimization of photoinitiator composition and printing parameter settings. The results show that the content change of each component affected the viscosity of the photosensitive resin; this was accompanied by fluctuations in the volume shrinkage and mechanical strength of the cured products. Although an increase in the molar ratio of the reactive diluent remarkably reduced the viscosity of the photosensitive resin and thereby boosted photopolymerization, it also caused an increase in the volume shrinkage and a sacrifice of mechanical strength. Finally, as shown by a comparison of the other samples we studied, the resin composed of 30 mmol HDDA, 50 mmol TPGDA, 10 mmol PETA, 10 mmol BAEA, 2.5 mol % TPO, and 2.5 mol % 1173 achieved the best viscosity of 239.53 mPa s at 25 C, the minimum shrinkage rate of 4.36%, and the maximum tensile strength of 43.19 MPa. The 3D printing curing products had the closest size to the design dimensions of the computer-aided design model; this indicated that the resin seemed to be a most promising candidate for 3D printing applications.

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Section: Introductionmentioning

confidence: 99%

Acrylate‐based photosensitive resin for stereolithographic three‐dimensional printing

Zhang

et al. 2019

J of Applied Polymer Sci

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“…The printability parameter, Z, which is a combination of physical properties of the fluid including density ( ), viscosity () and surface tension () and the characteristic length of the nozzle (d), (21 m in this case) was calculated using Equation 1. To obtain stable drops during printing, it is recommended to have the printability parameter between 1 and 10.…”

Section: Resultsmentioning

confidence: 99%

“…Additive manufacturing (3D printing) 1 is able to produce objects for a wide variety of applications in a material-efficient fashion with little or no waste, and has shown particular benefit in areas of high-value and bespoke manufacture, such as for medical devices. 2 Further enhancements to the manufacturing process can be achieved by sourcing the base materials from biorenewable sources.…”

Section: Introductionmentioning

confidence: 99%

Three dimensional ink-jet printing of biomaterials using ionic liquids and co-solvents

et al. 2016

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2016) Three dimensional ink-jet printing of biomaterials using ionic liquids and co-solvents. Faraday Discussions, 190 . pp. 509-523. ISSN 1364-5498 Access from the University of Nottingham repository: http://eprints.nottingham.ac.uk/44424/1/Paper_Three-dimensional.pdf Copyright and reuse:The Nottingham ePrints service makes this work by researchers of the University of Nottingham available open access under the following conditions. This article is made available under the University of Nottingham End User licence and may be reused according to the conditions of the licence. For more details see: http://eprints.nottingham.ac.uk/end_user_agreement.pdf A note on versions:The version presented here may differ from the published version or from the version of record. If you wish to cite this item you are advised to consult the publisher's version. Please see the repository url above for details on accessing the published version and note that access may require a subscription. ([C4C1Im][OAc]) have been used as solvents for the dissolution and ink-jet printing of cellulose from 1.0 to 4.8 wt %, mixed with the co-solvents 1-butanol and DMSO. 1-Butanol and DMSO were used as rheological modifiers to ensure consistent printing, with DMSO in the range of 41-47 wt % producing samples within the printable range of a DIMATIX print-head used (printability parameter <10) at 55°C, whilst maintaining cellulose solubility. Regeneration of cellulose from printed samples using water was demonstrated, with the resulting structural changes to the cellulose sample assessed by scanning electron microscopy (SEM) and white light interferometry (WLI). These results indicate the potential of biorenewable materials to be used in the 3D additive manufacture process to generate single-component and composite materials.

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“…Thermoplastic elastomers and 'rubber-like' materials are available in form of filaments for fused deposition modeling as well as photo-curable resins suited for SLA and DLP. Although rubber-like materials with a range of hardness are commercially available [4], these materials don't show the typical behavior of vulcanized diene rubbers. The main drawbacks from the use of commercial resins are the lower values of elongation at break compared to diene-rubbers and the unfeasibility to modulate the elastic modulus values [5].…”

Section: Introductionmentioning

confidence: 99%

3D printing of polybutadiene rubber cured by photo-induced thiol-ene chemistry: A proof of concept

Bragaglia¹,

Lamastra²,

Cherubini³

et al. 2020

Express Polym. Lett.

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Mechanical performance of 3D printed 'Rubber-like' commercial resins are not comparable to typical vulcanized diene rubbers since they show lower strain at break. In the present work, samples made of liquid butadiene rubber have been photocured by thiol-ene chemistry and 3D printed. Morphological features and mechanical properties have been investigated by means of scanning electron microscopy (SEM), dynamic mechanical analysis (DMA) and tensile tests. The 3D printed samples show the characteristic mechanical properties of unfilled diene rubbers reaching a strain at break up to 400%.

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Printability of elastomer latex for additive manufacturing or 3D printing

Cited by 54 publications

References 8 publications

Acrylate‐based photosensitive resin for stereolithographic three‐dimensional printing

Acrylate‐based photosensitive resin for stereolithographic three‐dimensional printing

Three dimensional ink-jet printing of biomaterials using ionic liquids and co-solvents

3D printing of polybutadiene rubber cured by photo-induced thiol-ene chemistry: A proof of concept

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