按硅烷改性聚氨酯密封胶基料分类

发布时间 : 2023-12-2 11:28:27
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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.

按硅烷改性聚氨酯密封胶基料分类

(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 : 2023-12-2 11:28:27
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建筑硅烷改性聚氨酯密封胶的分类

硅烷改性聚氨酯密封胶的品种及类型很多。为了满足同一使用要求，可以使用几种不同基料的硅烷改性聚氨酯密封胶，而同一种基料又能制造出不同性能和不同用途的硅烷改性聚氨酯密封胶。从硅烷改性聚氨酯密封胶的制造者和使用者两方面考虑，硅烷改性聚氨酯密封胶有多种分类方法。我国和大多数国家的建筑硅烷改性聚氨酯密封胶基本按产品用途、适用功能(位移能力和模量)及相应的耐久性技术指标要求对建筑结构硅烷改性聚氨酯密封胶进行分类和分级。产品也可按组分数、固化机理、适用季节、流动性等区划产品型别，标明产品代号以便工程选用;产品还可以按材料基础聚合物类型、产品特征功能等进行分类。

橡胶型:此类硅烷改性聚氨酯密封胶以橡胶为基料，常用橡胶有聚硫橡胶、硅橡胶、聚氨醋橡胶、氯丁橡胶和丁基橡胶等;树脂型:此类硅烷改性聚氨酯密封胶以树脂为基料，常用树脂有环氧树脂、不饱和聚醋树脂、酚醛树脂、聚丙烯酸树脂、聚氯乙烯树脂等;油基型:此类硅烷改性聚氨酯密封胶以油料为基料，常用的油类有各种植物油如亚麻油、蓖麻油、桐油，以及动物油(如鱼油)等。

按硅烷改性聚氨酯密封胶硫化方法分类

此类硅烷改性聚氨酯密封胶系列利用空气中的水分进行硫化。它主要包括单组分的聚氨醋、硅橡胶和聚硫橡胶等。其聚合物基料中含有活性基，能与空气中的水发生反应，形成交联键，使硅烷改性聚氨酯密封胶硫化成网状结构。大气中的湿气可作为硫化反应中的催化剂。

化学硫化型硅烷改性聚氨酯密封胶:双组分的聚氨醋、硅橡胶、聚硫橡胶、氯丁橡胶和环氧树脂硅烷改性聚氨酯密封胶都属于这一类，一般在室温条件下完成硫化。某些单组分的氯磺化聚乙烯和氯丁橡胶硅烷改性聚氨酯密封胶以及聚氯乙烯溶胶糊状硅烷改性聚氨酯密封胶(如汽车用点焊胶)，则须在加热条件下经化学反应完成硫化。www.sdyuantai.com

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下一篇: 丁基防水嵌缝密封胶性能测试和评估