建筑幕墙门窗用密封胶的行业现状及选用建议

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摘 要：介绍了国内建筑幕墙、门窗用密封胶的行业现状，对比分析了市场上常见的3种低质密封胶（掺加白油的密封胶、掺加有机硅裂解料或高沸料的密封胶、低质量的硅改性聚醚密封胶）的热重分析图谱，以及3种低质密封胶的危害及鉴别方法，对密封胶的选用给出了建议。

关键词：建筑幕墙;门窗;密封胶;行业现状

中图分类号：TQ436+.6       文献标识码：A文章编号：1001-5922（2022）01-0055-06

Present situation and selection suggestion of sealant for building curtain wall doors and windows

XING Fengqun，CHENG Jifang，ZHANG Yanhong

（Zhengzhou Zhongyuan Silande High Technology Co.，Ltd.，Zhengzhou 450007，China）

Abstract：This paper introduced the present situation of sealant industry for domestic building curtain wall，door and window，compared the Thermo Gravimetric Analysis（TGA）spectra of three common low quality sealants on the market，including sealants mixed with white mineral oil，sealants mixed with organic silicon cracking materials or high boiling materials，and low quality silicone modified polyether sealants.The harm and identification methods of these three kinds of low quality sealants were also introduced，and some suggestions on the selection of sealants were given.

Key words：building curtain wall;doors and windows;sealant;present situation of industry

建筑幕墙好似建筑物的脸面，使整体建筑绚烂多姿;门窗好似建筑物的眼睛，使建筑整体富有灵气。（剩余4822字）