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                交聯劑用且對聚氨酯密封膠透明度的影響

                • 發布時間 : 2023-10-27 17:22:38
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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.

                交聯劑用且對聚氨酯密封膠透明度的影響

                (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 : 2023-10-27 17:22:38
                • Views:
                Information

                       中性透明脫酮肘型聚氨酯密封膠主要應用于需要透明密封的場合,考慮到成本的因素,全透明的產品成本較高,市場上中性透明脫酮肪型聚氨酯密封膠基本上都是半透明的。本試驗考察交聯劑用量對聚氨酯密封膠膠性能影響的同時,也考察了交聯劑用量對硫化后密封膠透明度的影響。

                       通過目測比對,按透明度高低的順序,得出如下的結果:5份>4份>6份>7份>8份。考慮到目測對比方法存在主觀上的誤差,依據上述結果,可得出交聯劑用量越少,硫化后的聚氨酯密封膠透明度越好的結論。

                       中性透明脫酮肘型聚氨酯密封膠在實際應用過程中,對于表干時間,深度硫化速度要求越快越好,同時要求硬度越低越好,且要求密封膠具有一定的強度。同時希望密封具有較好的儲存穩定性和透明度。綜合以上的實驗和分析結果,當107硅橡膠為100份,混合交聯劑選擇6份時,得到的聚氨酯密封膠具有較快的表干時間,深度硫化速度,同時其硬度和強度適中,且老化后的性能變化不大,透明度也較優異,在實際應用中具有良好的適應性。www.qiquanonline.com

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