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The Development of a Surface Finisher of Car Park Slab Using Waterborne Silicon Acrylic with Polyamide [Part II: Safety Tests]
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Materials 2019, 12(1), 171; https://doi.org/10.3390/ma12010171

The Development of a Surface Finisher of Car Park Slab Using Waterborne Silicon Acrylic with Polyamide [Part I: Performance Evaluation]

1
Department of Convergence System Engineering, Chungnam National University, Daejeon 34134, Korea
2
Highway and Transportation Technology Institute, Korea Expressway Corporation, GyeongGi-Do 18489, Korea
*
Author to whom correspondence should be addressed.
Received: 30 November 2018 / Revised: 29 December 2018 / Accepted: 31 December 2018 / Published: 7 January 2019
(This article belongs to the Special Issue Selected Papers from IMETI2018)
Full-Text   |   PDF [3797 KB, uploaded 7 January 2019]   |  

Abstract

A waterborne coating system for car park slab has recently gained interest as an alternative for solvent-based finishing materials due to environmental concerns and prolongation of service life. However, water-based finishers, regardless of their eco-friendly properties, have relatively lower hardness compared to traditional finishing systems. In order to overcome this obstacle, a hybrid technology was used to develop a substitute surface finisher for car park slab and its performance was evaluated according to the KS (Korean Standard) F 4937. Initially, the proper mix ratio of polyamide was found by comparing adhesion via pull-off-test results and other performance evaluation tests. From the test results, it was found that mixing polyamide with silicon acrylic finisher caused an increase in adhesion strength. Silicon acrylic with a 30% mix ratio of polyamide resin (SA+PR30%) was selected to perform the rest of the tests and the results satisfied the acceptance criteria of KS F 4937 and were compared with a recent water-based polyurethane finisher with cementitious powder (WPC). Finally, it was verified that the developed finisher could be an alternative finisher of urethane and epoxy finishers as it has good mechanical properties and emit less volatile organic compounds (VOC). View Full-Text
Keywords: surface finisher; car park; waterborne silicon acrylic; polyamide; performance evaluation; eco-friendly surface finisher; car park; waterborne silicon acrylic; polyamide; performance evaluation; eco-friendly
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Jeong, H.; Gong, J.; Yoon, W.; Cho, D. The Development of a Surface Finisher of Car Park Slab Using Waterborne Silicon Acrylic with Polyamide [Part I: Performance Evaluation]. Materials 2019, 12, 171.

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