Analysis of the shear resistance for thermal barrier profile inserted before sprayed
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摘要:
本文分析了采用普通隔热胶条与耐高温隔热胶条以先复合后喷涂的加工工艺生产的穿条式隔热型材的抗剪切性能。国内普通胶条的质量稳定性比其它胶条的差，且不适宜在固化温度高于210℃下生产隔热型材。国外的耐高温隔热胶条，在固化温度200℃，固化时间15 min ，最适用于先复合后喷涂的工艺加工生产隔热型材。耐高温隔热胶条可减少先复合后喷涂隔热型材的室温抗剪切性能下降的幅度，但对高温抗剪切性能的影响不大。
Abstract:
This paper mainly analyses the shear resistance of strip thermal barrier profile made of the ordi‐nary heat insulating strip and the high temperature resistant insulating strip via insertion before spraying process .The results show that the quality stability of the domestic ordinary strip is worse than other insu‐lating strips and not suitable for production when curing temperature is higher than 210 ℃ .The foreign high temperature resistant strip in the curing process 200℃ × 15 min is optimal for production of thermal barrier profile inserted before sprayed .High temperature resistant strip can reduce degree of decline of the shear resistance at room temperature but has little impact on high temperature shear resistance .
