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夹层玻璃抗冲击性能下降的原因
Reasons for the Decrease of Impact Resistance of Sandwich Glass
1.玻璃与胶片之间的粘结强度过高，粘结强度与抗冲击性在一定范围内成反比的。
1. The bond strength between glass and film is too high, and the bond strength is inversely proportional to the impact resistance in a certain range.
2.胶片厚度的变化，较薄的夹层造成较低的抗冲击性，胶片是否被拉薄或改变。
2. Change in film thickness, thinner interlayer results in lower impact resistance, whether the film is thinned or changed.
3.玻璃厚度的变化，较厚的玻璃抗冲击性较低。
3. The impact resistance of thicker glass is lower with the change of glass thickness.
4.夹层用的胶片品牌和型号有差异，造成夹层玻璃抗冲击性能降低。
4. The impact resistance of laminated glass is reduced due to the difference of film brands and models.
5.冲击试验条件的变化，例如实验框、温度或程序、试验样品尺寸不准确等。
5. Change of impact test conditions, such as test frame, temperature or procedure, inaccurate size of test sample, etc.