| 摘要 |
PROBLEM TO BE SOLVED: To provide a safety glass interlayer free from whitening trouble by moisture absorption and provide a safety glass produced by using the interlayer. SOLUTION: This safety glass interlayer is composed of 100 pts.wt. of a polyvinyl butyral resin having a butyralation degree of 60-75mol%, 20-60 pts.wt. of a plasticizer, 0.01-0.1 pt.wt. of a monocarboxylic acid or dicarboxylic acid alkali metal salt or alkaline earth metal salt, 0.01-0.2 pt.wt. of a modified silicone oil and 0.1-10 pts. wt. of a 1-6C alcohol. The safety glass is produced by using the safety glass interlayer. |
