Effect of ultraviolet light on the removal of red acrylic paint from limestone

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dc.contributor.advisor Daas, Mahesh
dc.contributor.author Biggio, Elizabet T.
dc.date.accessioned 2013-05-09T15:45:36Z
dc.date.available 2013-05-09T15:45:36Z
dc.date.created 2013-05-04
dc.date.issued 2013-05-04
dc.identifier.uri http://cardinalscholar.bsu.edu/handle/123456789/197145
dc.description.abstract Graffiti is a near constant problem for historic structures and monuments, particularly in urban environments. Currently available non-destructive techniques are not always adequate for graffiti removal. Acrylic spray paints, the most common graffiti material, are composed of polymers which are subject to degradation by ultraviolet light. The feasibility of using this mechanism as a tool for graffiti removal was explored through practical experiments. Red acrylic paint was sprayed onto samples Indiana limestone which were then exposed to UV-B light sources for two, four, and six weeks. Following exposure, samples were scrubbed with acetone, a common solvent used in graffiti removal. Relative differences in the paint removal on the treated and untreated sides were observed, with more paint being removed from the treated sides in some cases. Additional samples were coated with titanium dioxide and exposed to ultraviolet light, yielded a greater level of overall paint removal. It was concluded that this mechanism offers promise and warrants further study.
dc.description.sponsorship Department of Architecture
dc.subject.lcsh Ultraviolet radiation.
dc.subject.lcsh Paint removal.
dc.subject.lcsh Graffiti.
dc.subject.lcsh Limestone -- Cleaning.
dc.title Effect of ultraviolet light on the removal of red acrylic paint from limestone en_US
dc.title.alternative Title on signature form: Effects of ultraviolet light on the removal of red acrylic paint from limestone
dc.description.degree Thesis (M.S.H.P.)
dc.identifier.cardcat-url http://liblink.bsu.edu/catkey/1709512

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  • Master's Theses [5318]
    Master's theses submitted to the Graduate School by Ball State University master's degree candidates in partial fulfillment of degree requirements.

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