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TUPÝ, M. ŠTEFKOVÁ, D. SOTIRIADIS, K. KRMÍČEK, L. CARBOL, L. PETRÁNEK, V.
Original Title
Recycled poly(vinyl butyral) used as a barrier to prevent mortar Recycled poly(vinyl butyral) used as a barrier to prevent mortar Recycled poly(vinyl butyral) used as a barrier to prevent mortar carbonation
Type
conference paper
Language
English
Original Abstract
The paper deals with testing of CO2 diffusivity through poly(vinyl butyral) (PVB) layers and their efficiency to serve as barriers against cement mortar carbonation. Two different types of PVB were tested; PVB sheet made from original extruded PVB polymer and PVB sheet made from PVB dispersion obtained from recycled windshields. The first part of the work was focused on testing CO2 diffusion when polymer sheets were exposed to a CO2 atmosphere (10% v/v CO2) with 0% RH. The excellent barrier capability against CO2 permeability of both types of polymer layers was observed. In the second part, mortar specimens were exposed for 23 days to two different carbonation regimes (laboratory conditions and chamber with CO2 atmosphere (1% v/v CO2) and 60% RH), having been coated or not with recycled PVB dispersion. Compressive strength tests, carbonation depth measurements and acoustic measurements (impact-echo method) were performed. The results showed the alternation of the compressive strength values depending on whether PVB coating was used or not. Both phenolphthalein test and impact-echo method confirmed the protective effect of PVB layer against mortar carbonation.
Keywords
Poly(vinyl butyral), mortar, CO2 diffusion, carbonation, impact-echo method
Authors
TUPÝ, M.; ŠTEFKOVÁ, D.; SOTIRIADIS, K.; KRMÍČEK, L.; CARBOL, L.; PETRÁNEK, V.
RIV year
2014
Released
12. 8. 2014
Publisher
Trans Tech Publications
Location
Switzerland
ISBN
978-3-03835-188-7
Book
International Conference on Ecology and New Building Materials and Products
Edition number
1022-6680
Periodical
Advanced Materials Research
Year of study
1000
Number
8
State
Swiss Confederation
Pages from
28
Pages to
35
Pages count
URL
http://www.scientific.net/AMR.1000.28
BibTex
@inproceedings{BUT108789, author="Michael {Tupý} and Daniela {Kysilková} and Konstantinos {Sotiriadis} and Lukáš {Krmíček} and Ladislav {Carbol} and Vít {Petránek}", title="Recycled poly(vinyl butyral) used as a barrier to prevent mortar Recycled poly(vinyl butyral) used as a barrier to prevent mortar Recycled poly(vinyl butyral) used as a barrier to prevent mortar carbonation", booktitle="International Conference on Ecology and New Building Materials and Products", year="2014", journal="Advanced Materials Research", volume="1000", number="8", pages="28--35", publisher="Trans Tech Publications", address="Switzerland", doi="10.4028/www.scientific.net/AMR.1000.28", isbn="978-3-03835-188-7", issn="1022-6680", url="http://www.scientific.net/AMR.1000.28" }