Evaluation of chloride penetration in cement mortars reinforced with different proportions of recycled PET fibers

2021 ◽  
Author(s):  
Camilo Higuera-Florez ◽  
Jhon Cardenas-Pulido ◽  
Adriana Vargas-Aguilar
Keyword(s):  
Chloride Penetration ◽  
Recycled Pet ◽  
Cement Mortars ◽  
Pet Fibers

The nanoscale dimension determines the carbonization outcome of electrospun lignin/recycled-PET fibers

2019 ◽  
Vol 202 ◽  
pp. 26-35 ◽  
Author(s):  
Efstratios Svinterikos ◽  
Ioannis Zuburtikudis ◽  
Mohamed Al-Marzouqi
Keyword(s):  
Recycled Pet ◽  
Pet Fibers

Tinctorial Response of Recycled PET Fibers to Chemical Modifications during Saponification and Aminolysis Reactions

2014 ◽  
Vol 53 (43) ◽  
pp. 16652-16663 ◽  
Author(s):  
Vasilica Popescu ◽  
Augustin Muresan ◽  
Ovidiu Constandache ◽  
Gabriela Lisa ◽  
Emil Ioan Muresan ◽  
...  
Keyword(s):  
Chemical Modifications ◽  
Recycled Pet ◽  
Pet Fibers

The Effect of Modified Hydrotalcites on Mechanical Properties and Chloride Penetration Resistance in Cement Mortar

2014 ◽  
Vol 629-630 ◽  
pp. 156-161
Author(s):  
Zheng Xian Yang ◽  
Hartmut Fischer ◽  
Rob Polder
Keyword(s):  
Cement Mortar ◽  
Chloride Penetration ◽  
Chloride Diffusion ◽  
Diffusion Resistance ◽  
Diffusion Test ◽  
Chloride Migration ◽  
Cement Mortars ◽  
Minor Influence ◽  
Chloride Penetration Resistance ◽  
And Diffusion

In this paper, two types of modified hydrotalcites (MHT) were incorporated into cement mortars with two dosage levels (replacing 5% and 10% cement by mass). Designated testing programme including strength test, porosity test, and rapid chloride migration and diffusion test were employed to investigate the effect of modified hydrotalcites on chloride penetration in cement mortar. The results based on these tests showed the incorporation of MHT-pAB at 5% dosage in mortar specimens produced a notably improved chloride diffusion resistance with no or minor influence on the development of mechanical strength.

scholarly journals Effect of Carbon Nanotubes on Chloride Penetration in Cement Mortars

2019 ◽  
Vol 9 (5) ◽  
pp. 1032 ◽  
Author(s):  
Panagiota Dalla ◽  
Ilias Tragazikis ◽  
Dimitrios Exarchos ◽  
Konstantinos Dassios ◽  
Nektaria Barkoula ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Compressive Strength ◽  
Mechanical Performance ◽  
Salt Spray ◽  
Corrosion Damage ◽  
Surface Conductivity ◽  
Chloride Penetration ◽  
Accelerated Corrosion ◽  
Compressive Response ◽  
Cement Mortars

The study investigates the effect of carbon nanotubes on chloride penetration in nano-modified mortars and reports on the physical, electrical, and mechanical performance of the material. Mortars were artificially corroded and their surface electrical surface conductivity as well as flexural and compressive strength were measured. The influence of variable nanotube concentration in accelerated corrosion damage was evaluated. Nanotube concentration was found to significantly affect the permeability of the mortars; improvements in flexural and compressive response of mortars exposed to salt spray fog, compared to virgin specimens, were rationalized upon decreases in the apparent porosity of the materials due to filling of the pores with sodium chloride. Electrical resistivity was found to increase up to two orders of magnitude with respect to the surface value; above the percolation threshold, the property impressively increased up to five orders of magnitude.

Tensile performance of sustainable Strain-Hardening Cementitious Composites with hybrid PVA and recycled PET fibers

2018 ◽  
Vol 107 ◽  
pp. 110-123 ◽  
Author(s):  
Jing Yu ◽  
Jie Yao ◽  
Xiuyi Lin ◽  
Hedong Li ◽  
Jeffery Y.K. Lam ◽  
...  
Keyword(s):  
Strain Hardening ◽  
Cementitious Composites ◽  
Recycled Pet ◽  
Tensile Performance ◽  
Pet Fibers

scholarly journals Electrospinning of Polymer Fibres Using Recycled PET

2019 ◽  
Vol 2 (1) ◽  
pp. 19-26
Author(s):  
Attila Gergely ◽  
József Kántor ◽  
Enikő Bitay ◽  
Domokos Biró
Keyword(s):  
Polymer Materials ◽  
Polymer Fibers ◽  
Free Standing ◽  
Recycled Pet ◽  
Fiber Mats ◽  
Alternative Method ◽  
Pet Fibers

Abstract The effective recycling of polymer materials remains unresolved to this day, and this has had a devastating effect on the environment. This study examines an alternative method to PET recycling that is the generation of polymer fibers and fiber mats for filtration applications. The electrospinning instrumentation used in this study had to be designed and built in order to carry out the research. We have managed to produce PET fibers with 200-600 nm diameter, and free-standing fiber mats that could potentially be used in filtration applications.

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