Demonstrated Advantages and Considerations of a Beta Nucleated Polypropylene Piping System Versus a Stainless Steel Piping System
DOI:
https://doi.org/10.15381/idata.v24i2.18756Keywords:
PP-R (polypropylene random copolymer), transfer, biocidal product, austenitics, biofilmAbstract
A polymer is a thermoplastic material that crystallizes in three forms: α (monoclinic), β (trigonal) and γ (orthorhombic). These forms have characteristics that provide specific physicochemical properties in the same formulation. The α crystalline form is found in higher proportion and is the most stable and simplest to produce. However, the raw material of the beta-nucleated polypropylene and PR (pressure resistant), monolayer pipes and PR fiber polypropylene pipes are processed to produce β structures in ways where it would be easier to have α crystals, since this process favors the formation of a stable, fine hexagonal crystalline structure and a homogeneous size distribution. These attributes derive in an optimization of the mechanical performance of the system, in which a mixture of these forms (α and β) will provide a very optimal thermo‑mechanical property.
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Copyright (c) 2021 Pedro Angel Toribio Pando, Pablo Santa Cruz Roldán, Alberto Landauro Abanto
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