單組分聚氨酯密封膠在汽車上的應用

發布時間 : 2025-5-15 10:40:18
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(Summary description)Customized SILICONE STRUCTURAL SEALANT from China manufacturer refers to the adhesive with high strength, can bear large load, aging resistance, fatigue resistance and corrosion resistance, and has stable performance within the expected life. It is suitable for bearing the bonding of strong structural parts. Non structural adhesive has low strength and poor durability. It can only be used for bonding, sealing and fixing of ordinary and temporary properties, and cannot be used for structural adhesive bonding. NEUTRAL SILICONE WETHERPROOF SEALANT from China manufacturer is a structural adhesive with waterproof function. Silicone glue refers to the adhesive based on silicone rubber. According to different functions, it can be divided into structural adhesive, potting adhesive, sealant, thermal conductive adhesive, flame retardant adhesive and so on.

單組分聚氨酯密封膠在汽車上的應用

(Summary description)Customized SILICONE STRUCTURAL SEALANT from China manufacturer refers to the adhesive with high strength, can bear large load, aging resistance, fatigue resistance and corrosion resistance, and has stable performance within the expected life. It is suitable for bearing the bonding of strong structural parts. Non structural adhesive has low strength and poor durability. It can only be used for bonding, sealing and fixing of ordinary and temporary properties, and cannot be used for structural adhesive bonding. NEUTRAL SILICONE WETHERPROOF SEALANT from China manufacturer is a structural adhesive with waterproof function. Silicone glue refers to the adhesive based on silicone rubber. According to different functions, it can be divided into structural adhesive, potting adhesive, sealant, thermal conductive adhesive, flame retardant adhesive and so on.

發布時間 : 2025-5-15 10:40:18
Views:

簡要介紹了單組分聚氨酯密封膠在汽車和客車制造中的應用情況，包括單組分聚氨酯密封膠在其他車輛上的應用。對車輛用單組分聚氨酯密封膠今后的發展方向進行概述。單組分聚氨酯密封膠簡介:單組分聚氨酯密封膠中由于含有強極性、高活潑性的異氰酸酷基團和氨酷基，與含有活潑H的材料具有良好的化學粘接力，比如泡沫塑料、木材、皮革、織物、紙張、陶瓷等多孔材料以及玻璃、金屬、橡膠、塑料等表面光潔的材料。聚氨酯與底材之間的氫鍵作用使分子內作用力增強，使得粘接更加牢固。通過調節固化后分子中軟、硬鏈段的比例，可以獲得從柔性到剛性的不同性能的膠粘劑，同時聚氨酯密封膠即可以加熱固化，也可以室溫固化。粘接工藝簡便，操作性能優良。固化后的單組分聚氨酯密封膠強度高，耐磨、耐水、耐油、耐溶劑、耐化學藥品、耐臭氧性能良好，所以在建筑、工業、汽車等國民經濟各領域有著廣泛的應用。

車門、行李價蓋密封防雨條的樸線汽車的車門、行李倉等經常開關的總成件，為了達到緩沖、減振和密封的目的，避免鋼板的直接碰撞以及雨水、灰塵等的侵入，一般都在車門周邊、行李倉口周邊的涂漆金屬板上安裝各類橡膠密封條。雙組分聚氨酯密封膠用于粘接車門、行李倉的防雨密封條，固化速度快，效果比較好。施工時按比例稱量、混合，量大時可以使用自動混合設備。在車門、行李倉密封條的粘接工藝中也可以使用熱熔型聚氨酯密封膠，其優點是粘接工藝簡單，粘接速度快，初始強度高，對各種材料都具有良好的粘接能力，粘接后不容易開膠。http://www.www.sunsage.net/

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