| 摘要 |
PROBLEM TO BE SOLVED: To provide a method which allows recycling a laminated glass by releasing two glass sheets and an interlayer between them. SOLUTION: The method comprises breaking a laminated glass having an interlayer 13 between two glass sheets, and immersing the interlayer adhered with broken glass pieces 14 into an aqueous solution containing sulfonic acid, phosphoric acid, ammonium fluoride, and methyl salicylate to clear the interlayer of the broken glass pieces 14, wherein the aqueous solution is kept to have a temperature of 40-50°C when the interlayer adhered with broken glass pieces is immersed. COPYRIGHT: (C)2006,JPO&NCIPI
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