Middle-ultraviolet laser cleaning of particulates from sized ground wood cellulose and pure cellulose paper |
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| Institution: | 1. Department of Applied Chemistry, University of Johannesburg, Doornfotein Campus, P.O. Box 17011, Johannesburg 2028, South Africa;2. School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, 4000, South Africa |
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| Abstract: | Ground wood cellulose paper exhibits a practicable cleaning laser fluence window during middle-UV radiation processing. In this case, a minimum dose volume density should be applied. However, cleaning of bleached cellulose paper is accompanied by strong yellowing and destruction. The presence of charcoal graphite particulates shows substantial influence on the yellowing with increasing coverage. |
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| Keywords: | Laser cleaning Cellulose Paper |
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