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Title: | Influence of Water and Magnesium Ion on the Optical Properties in Various Plasticized Poly(vinyl butyral) Sheets | ||||||||||
Author: | Tupý, Michael; Měřínská, Dagmar; Svoboda (FT), Petr; Zvoníček, Josef | ||||||||||
Document type: | Peer-reviewed article (English) | ||||||||||
Source document: | Journal of Applied Polymer Science. 2010, vol. 118, issue 4, p. 2100-2108 | ||||||||||
ISSN: | 0021-8995 (Sherpa/RoMEO, JCR) | ||||||||||
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DOI: | https://doi.org/10.1002/app.32555 | ||||||||||
Abstract: | The study is focused on influences of optical properties change of poly(vinyl butyral) (PVB) sheets determined for safety glass preparing. Optic measurements were evaluated itself and after, the laminated glass was observed. The study deals with a cognizance of causation of the optical properties change in different PVB sheets in dependence on adsorbed water content into the polymer matrix. Results of this work describe the influence of AOH group content on PVB chain and type and amount of additives adjusting adhesion of PVB towards glass. However, the most important discovery of this work is evaluation of critical water content that leads to haze generation. The evaluation of various types of sheets was performed. At the same time the artificial addition of Mg2+ salts of organic acids (with various polarity of the molecule) was evaluated to assess their influence on haze generation. It was found that haze caused by Mg2+ salt is possible to eliminate when there is certain water content in PVB. Obtained values and comparisons are very important for PVB sheets industry and for industry dealing with lamination of PVB between glasses. Influence of these factors and comparison of haze generation for various PVB sheets has not been published yet. | ||||||||||
Full text: | http://onlinelibrary.wiley.com/doi/10.1002/app.32555/full | ||||||||||
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