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Effect of Treatments with Flame-retardant on Flame-resistance and Tensile Strength of Paper  

Song, Han-Kyu (Dept. of Paper Science & Engineering, College of Forest & Environmental Sciences, Kangwon National University)
Lee, Myoung-Ku (Dept. of Paper Science & Engineering, College of Forest & Environmental Sciences, Kangwon National University)
Publication Information
Journal of Korea Technical Association of The Pulp and Paper Industry / v.38, no.4, 2006 , pp. 61-67 More about this Journal
Abstract
The effect of several inorganic flame-retardants such as ammonium phosphate, ammonium sulfate, aluminum hydroxide and antimony trioxide on the flame-retardant property and tensile strength of paper has been investigated. Flame-retardants were used preferably as a dry powdered mixture and added to the furnish. Both dipping and coating treatments were employed to apply flame-retardants to paper Flame-retardant paper was manufactured by treatment of $5{\sim}30%$ flame-retardants by weight of the paper on a dry weight. Paper's flame-retardant property and tensile strength were examined by comparison of char length and tensile index. As dosages of flame-retardant chemicals increased, flame-retardant property was improved but tensile index was decreased.
Keywords
flame-retardant paper; char length; flame-retarndant; ammonium phosphate; ammonium sulfate; aluminum hydroxide; antimony trioxide; size press; coating; tensile strength;
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