聚氨酯密封胶条在建筑用中空玻璃上的应用

发布时间 : 2022-12-3 18:52:41
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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.

聚氨酯密封胶条在建筑用中空玻璃上的应用

(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.

发布时间 : 2022-12-3 18:52:41
Views:

介绍了以11R为主体材料的热熔聚氨酯密封胶在密封车前灯中的应用以及似该聚氨酯密封胶为基础改性的聚氨酯密封胶条在建筑用中空玻璃上的应用.并对产品的性能及加工性能进行了评估。结果表明产品具有良好的加工工艺性能和优异的密封性等性能R具有透气率低、生胶内聚力高及低温柔软性好等特点，因此，采用IIR制造的聚氨酯密封胶被广泛应用于建筑、汽车、电器等行业。以往，车前灯的透镜与后反射镜的粘接一般采用单组分加热固化型环氧树脂胶粘剂进行粘接，再借助销钉或螺丝与外壳固定。现在用聚氨酯密封胶将车前灯的透镜部件与以PP或ABA为基材的外壳粘接成密封的整体，使其具有工艺简单、密封性能良好等优点，且美观耐用，在建筑行业，中空玻璃因其具有卓越的隔热、保温、节能等特点而被全世界广泛应用，但我国的中空玻璃多采用传统的槽铝型，存在着性能不稳定、造价昂贵等缺陷，难以大面积推广。我们通过在IIR聚氨酯密封胶的配方中添人特殊干燥剂等进行改性研究，制成了一种以该聚氨酯密封胶为基础的聚氨酯密封胶条。将这种聚氨酯密封胶条应用于中空玻璃，使其具有良好的隔热、保温、密封性，极好的防凝霜、防灰尘污染性及价格低廉，加工工艺简单之优点。吉林化学工业公司研究所产品;其它材料为橡塑工业通用原材料。

聚氨酯密封胶条配方见表1，制造工艺流程见图1。用聚氨酯密封胶将透镜和塑料外壳粘接起来装配成车前灯;将聚氨酯密封胶条同玻璃复合，通过热压成型机装配成新型中空玻璃。车前灯按GB 4942.2-90测定其密及长时间灯照灯内是否发生雾化等性能;中空玻璃按GB 7020-86的规定进行性能测试，并与传统槽铝型中空玻璃性能进行比较。www.sdyuantai.com

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