Additively manufactured high-performance polymeric materials and their potential use in the oil and gas industry

Caldona, Eugene B.; Dizon, John Ryan C.; Viers, Robert Andrew; García, Vincent Joseph; Smith, Zane J.; Advíncula, Rigoberto C.

doi:10.1557/s43579-021-00134-9

Cited by 21 publications

(10 citation statements)

References 74 publications

(115 reference statements)

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“…Another potential area of interest for the development of nanocomposite materials is the field of tissue engineering and regenerative medicine, where there is significant opportunity for high-performance polymeric materials, hydrogels and nanocomposites, [ 73 ] manufactured through additive manufacturing techniques such as 3D printing, [ 74 ] to make a meaningful impact. These high-performance polymeric materials have long been sought after in various industries, such as the oil-and-gas industry, [ 75 ] for their ability to be rapidly prototyped into functional parts; with the added benefits of excellent chemical resistance, thermal stability and mechanical strength. More recently, 3D-printed hydrogels made of these materials, have enabled “bioprinting”, whereby biomaterials and cells are used to create scaffolds and living tissues.…”

Section: Nanomaterials In Cancer: Diagnostics Therapy and Treatmentmentioning

confidence: 99%

Nanomaterials in diagnostics, imaging and delivery: Applications from COVID-19 to cancer

Bardhan

2022

MRS Communications

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In the past two decades, the emergence of nanomaterials for biomedical applications has shown tremendous promise for changing the paradigm of all aspects of disease management. Nanomaterials are particularly attractive for being a modularly tunable system; with the ability to add functionality for early diagnostics, drug delivery, therapy, treatment and monitoring of patient response. In this review, a survey of the landscape of different classes of nanomaterials being developed for applications in diagnostics and imaging, as well as for the delivery of prophylactic vaccines and therapeutics such as small molecules and biologic drugs is undertaken; with a particular focus on COVID-19 diagnostics and vaccination. Work involving bio-templated nanomaterials for high-resolution imaging applications for early cancer detection, as well as for optimal cancer treatment efficacy, is discussed. The main challenges which need to be overcome from the standpoint of effective delivery and mitigating toxicity concerns are investigated. Subsequently, a section is included with resources for researchers and practitioners in nanomedicine, to help tailor their designs and formulations from a clinical perspective. Finally, three key areas for researchers to focus on are highlighted; to accelerate the development and clinical translation of these nanomaterials, thereby unleashing the true potential of nanomedicine in healthcare. Graphical abstract

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Section: Nanomaterials In Cancer: Diagnostics Therapy and Treatmentmentioning

confidence: 99%

Nanomaterials in diagnostics, imaging and delivery: Applications from COVID-19 to cancer

Bardhan

2022

MRS Communications

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“…For the shovel, the respondents were tasked to scoop a blade full of sand using two different shovels with different handles. This process was done ten (10) times per shovel with 5-minute intervals for rest when switching from one type of shovel to another to avoid fatigue. Lastly, for the trowel, respondents were tasked to used the trowel for about 1.5 hours per kind of trowel: the 3D-printed and the ordinary wooden handle.…”

Section: Adequate Size Which Fits the Hand Perfectly Functional And C...mentioning

confidence: 99%

3D-Printed Ergonomic Tool Handles

Herrera

Blanco

Carabeo

et al. 2022

ASSET

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Although hand tools serve as an instrument for extending one’s capabilities through the use of hands, the comfort it brings is important especially since the welfare of the user is at stake. Aside from using the hand tools repetitively and with an awkward posture, the tool handle compositions and design also contribute to accumulating some work-related musculoskeletal disorders that require further attention in the long run. To provide a long-term solution, 3D-printed new designs of six commonly used hand tools that fit the average hand measurements of Filipinos have been developed. The hand tools are printed using two filaments namely; thermoplastic polyurethane (TPU) which was found to be skin-friendly and polylactic acid (PLA) which is proven to be more functional, both are used on the outer and inner layer of the handle, respectively. The 3D-printed tool handles were evaluated through the use of a comfort questionnaire for hand tools distributed to 10 respondents per tool handle testing, results show that 3D-printed tool handles are found to be more comfortable and convenient rather than the commercial ones. Meanwhile, the researchers note that the adequate length of tool handles may also vary according to functions and not rely alone on the average hand measurements.

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“…PEKK can be produced by step-growth polymerization reaction as a semi-crystalline resin which has thermal properties where the glass transition (T g ) and melting temperatures (T m ) are 143 and 300 • C, respectively, and these temperatures are satisfied for end-use applications such as medical implants, energy storage, military engineering and aerospace etc. [2][3][4]. Especially, in the aerospace field PEKK can be applied to satellite antennas since it accounts for about 50% of the total weight, reduction in the antenna weight is essential for overall cost reduction.…”

Section: Introductionmentioning

confidence: 99%

Enhanced Metal Coating Adhesion by Surface Modification of 3D Printed PEKKs

et al. 2022

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PEKK (polyether-ketone-ketone) polymer has been actively studied in applying electronic devices in satellites owing to its excellent light weight and thermal resistance. However, the limitation of metal coating to form on the PEKK surface is due to the high-volume resistivity and surface resistance. Here, we have investigated the correlations between the chemical treatment of the surface and adhesion strength between polymer–metal coating. Three-dimensional printed PEKK objects were manufactured and nickel was deposited on the surface by electroless plating. As the concentration of H2SO4 increased from 12.5 to 14.3 mol/L, the pore diameter showed a tendency to increase. However, as growing pore induced connecting each other, the pore size re-decreased from 15.1 to 18.0 mol/L. To control pore size and uniformity, we investigated the pore diameter of 3D printed PEKK as a function of treatment time and temperature. Uniform pores were observed at a temperature of 50 °C which were formed after 10 min and the average pore size was 0.28. After H2SO4 swelling, samples were re-treated in the KMnO4-H3PO4 etching system for the hydrophilic group. KMnO4 broken C=C bonding and generated hydrophilic groups such as -COOH and -OH, the contact angle decreased from 64.7 to 51.1° compared with H2SO4 swelling. XPS survey spectra confirmed that not only breaking C=C bonding but also increasing hydrophilicity due to -OH, -C-, -SO3 and the catalyst absorption of Pd was improved. As a result of adhesive strength by ASTM D3359, compared with the H2SO4 swelling, the KMnO4-H3PO4 etching system showed 5B which is the best result in standard test methods by adhesive tape test and peeling amount on the tape was less than 0.01%.

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Additively manufactured high-performance polymeric materials and their potential use in the oil and gas industry

Cited by 21 publications

References 74 publications

Nanomaterials in diagnostics, imaging and delivery: Applications from COVID-19 to cancer

Nanomaterials in diagnostics, imaging and delivery: Applications from COVID-19 to cancer

3D-Printed Ergonomic Tool Handles

Enhanced Metal Coating Adhesion by Surface Modification of 3D Printed PEKKs

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