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              聚氨酯密封膠在裝配式建筑外墻保溫板接縫的應(yīng)用對(duì)比

              • 發(fā)布時(shí)間 : 2024-4-14 19:03:51
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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.

              聚氨酯密封膠在裝配式建筑外墻保溫板接縫的應(yīng)用對(duì)比

              (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(fā)布時(shí)間 : 2024-4-14 19:03:51
              • Views:
              Information

                     由于不同化學(xué)結(jié)構(gòu)的聚氨酯密封膠老化程度具有差異性,所以PU聚氨酯密封膠老化到一定時(shí)間后,拉伸模量就會(huì)到達(dá)最大值,其余種類的聚氨酯密封膠達(dá)到一定時(shí)間后,拉伸模量也會(huì)出現(xiàn)最大值,這與內(nèi)部結(jié)果的交聯(lián)密度有關(guān)。聚氨酯密封膠在工程應(yīng)用中的對(duì)比研究。

                     將位于上海某海港基地的裝配式建筑用作研發(fā)中心;這座建筑是以綠色節(jié)能的方式建造的,共建成3座建筑示范樓。將PU聚氨酯密封膠、PC910聚氨酯密封膠、SMP651聚氨酯密封膠、SMP652聚氨酯密封膠4種聚氨酯密封膠分別應(yīng)用到裝配式建筑外墻保溫板接縫中,根據(jù)不同類型聚氨酯密封膠的內(nèi)部結(jié)構(gòu),對(duì)聚氨酯密封膠在接縫中的性能開展長(zhǎng)期試驗(yàn)及觀察研究。

              聚氨酯密封膠在接縫中的施工

                     設(shè)定在裝配式建筑外墻保溫板外側(cè)水平、豎直縫中進(jìn)行聚氨酯密封膠防水封堵操作,令外墻保溫板的側(cè)壁保持整潔、干燥。在施工前檢查所需材料性能、質(zhì)量及配合比,使外墻保溫板接縫能夠牢固粘接,不容許存有缺陷;

                     令裝配式建筑外墻的外側(cè)豎縫與水平線之間的注膠寬度、厚度符合設(shè)定接縫條件,待外墻保溫板接縫固定后校核,再利用聚氨酯密封膠對(duì)接縫嵌填。主要流程為:放人泡沫棒,最后再向縫隙中打膠。在施工期間,外墻的防水空腔不能填補(bǔ),同時(shí)聚氨酯密封膠在注膠時(shí)要保證表明是光滑的,不能出現(xiàn)裂縫。那么泡沫棒、聚氨酯密封膠注膠、修膠過程如圖1所示。http://www.caffertyclinic.com/

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