Microscopic Analysis of Degradation of Polymer Fibers Subjected to Aggressive Environment

Michaela Kostelecká; Daniel Kytýř; Veronika Koudelková; Petr Koudelka

doi:10.4028/www.scientific.net/AMR.1122.169

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1122Microscopic Analysis of Degradation of Polymer...

Microscopic Analysis of Degradation of Polymer Fibers Subjected to Aggressive Environment

Abstract:

The paper presents deals with degradation of polypropylene (PP) and polyvinyl-alcohol (PVA) fibers used as a reinforcement in fiber-cement boards. The fibers were immersed for 28 days in three different solutions generating corrosive environment similar to conditions observed during service life of the intended application. The solutions used in the study contained: i) 3 % NaCl, ii) 5 % NaOH and iii) 5 % H₂SO₄. To obtain information about long term and also short term behaviour of the fibers part of investigated specimens was inspected for damage after 7 day exposure to corrosive environment. The results show that the corrosive resistance of the recently proposed PVA fibers is comparable to PP fibers when in either case structure of the fibers was not violated.

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Periodical:

Advanced Materials Research (Volume 1122)

Pages:

169-172

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1122.169

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Online since:

August 2015

Authors:

Michaela Kostelecká*, Daniel Kytýř, Veronika Koudelková, Petr Koudelka

Keywords:

Corrosive Environment, Polypropylene Fiber, Polyvinyl Alcohol Fiber, SEM Microscope

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