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MS密封膠成膜流程膠膜十燥時間標準
- 發布時間 : 2024-10-19 12:30:48
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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.
MS密封膠成膜流程膠膜十燥時間標準
(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 : 2024-10-19 12:30:48
- Views:
中性MS密封膠性能制膜工藝為將中性MS密封膠較好地封閉在不銹鋼表面,需將這種膏狀制成不同厚度的膜片。在對制膜工藝進行研究的基礎上,獲得不同厚度膠膜的制備方法,如圖1所示。中性MS密封膠成膜流程膠膜十燥時間按照標準,我們進行了膠膜干燥時間的測定試驗。表1給出了1.5 mm厚膠膜實干時間。表1膠膜實干時間測定時間/h現象備注膠膜內部及底層有粘著現象,粘度大膠膜內部及底層有粘著現象,粘度小膠膜底層有粘著現象,粘度小膠膜內部及底層均無粘著現象成膜實驗環境條件:溫度:19℃一24℃;濕度:50%一70%;通風由表1可知,1.5 mm厚膠膜的實干時間為7h。由于中性MS密封膠膠膜固化是靠空氣中的水分,膜層是由表及里慢慢固化的。而膠膜厚度對表干時間和實干時間的影響如表2所示。表2膠膜厚度與千燥時間的關系膠膜厚度/mm表干間/min實干時間/h備注01成膜實驗環境條件可知,膠膜表干時間不隨厚度改變,在膜厚<5 mm時,膜層表干時間都是5min;隨著膜厚度的增加,其實干時間相應增長。拉伸性能采用萬能材料試驗機進行拉伸測試的數據見表3a由表3可知,中性MS密封膠膠膜的延伸率在400%左右,說明其延展性很好。表面形貌分析顯示了不同放大倍數下的中性MS密封膠膜表面形貌,可看出膠膜表面致密光滑,出現的褶皺是鍍金時的高溫(約8090)條件所致。紅外光譜分析將厚約0. 1 mm的膠膜樣品進行紅外光譜分析,根據光譜圖中吸收峰的位置、形狀以及特征吸收峰的強度可判定中性MS密封膠主要含有Si一0一Si、一CH,和Si一O這三種官能團。http://www.caffertyclinic.com/
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