Fesa da sauri-saitin roba kwalta mai hana ruwa shafi ne na tushen ruwa. Idan ba a kula da diaphragm ba bayan fesa, ruwan ba zai ƙafe gaba ɗaya ba, kuma kumfa mai yawa na iska za su iya fitowa cikin sauƙi yayin yin burodi mai zafi, wanda zai haifar da raguwar fim ɗin mai hana ruwa, da ƙarancin ruwa, hana lalata, da juriya na yanayi. . Saboda yanayin yanayin kulawa a kan ginin gine-gine yawanci ba a iya sarrafa shi, yana da mahimmanci don inganta yanayin zafi mai zafi na fesa mai sauri-saitin roba kwalta mai hana ruwa daga hangen nesa.
An zaɓi ether mai narkewa mai ruwa don haɓaka juriya mai zafi na kayan da aka fesa da sauri-saitin roba kwalta kayan hana ruwa. A lokaci guda kuma, an yi nazarin tasirin nau'in da adadin ether na cellulose akan kayan aikin injiniya, aikin feshi, juriya na zafi da adanar fesa mai saurin saitin roba kwalta mai hana ruwa ruwa. tasiri tasiri.
Samfurin shiri
A narkar da hydroxyethyl cellulose a cikin 1/2 ruwa mai narkewa, motsawa har sai ya narkar da shi gaba daya, sannan a zuba emulsifier da sodium hydroxide a cikin sauran 1/2 ruwan da aka lalatar da shi kuma a motsa shi daidai don shirya maganin sabulu, kuma a ƙarshe, haɗa abin da ke sama Magani biyu shine. ko'ina a gauraye don samun maganin ruwa na hydroxyethyl cellulose, kuma ana sarrafa ƙimar pH tsakanin 11 da 13.
Mix emulsified kwalta, neoprene latex, hydroxyethyl cellulose ruwa bayani, defoamer, da dai sauransu bisa ga wani rabo don samun abu A.
Shirya wani taro na Ca (NO3) 2 bayani mai ruwa kamar kayan B.
Yi amfani da kayan feshin lantarki na musamman don fesa abu A da abu B akan takardar sakin lokaci guda, ta yadda za a iya tuntuɓar kayan biyu da sauri a saita su cikin fim yayin aiwatar da giciye.
Sakamako da tattaunawa
An zaɓi Hydroxyethyl cellulose tare da danko na 10 000 mPa·s da 50 000 mPa·s, kuma an zaɓi hanyar ƙarawa don nazarin tasirin danko da ƙari adadin hydroxyethyl cellulose akan aikin fesa na saiti mai sauri. roba kwalta mai hana ruwa coatings, Film-forming Properties, zafi juriya, inji Properties da ajiya Properties. Don kauce wa lalacewa ga ma'auni na tsarin da aka haifar da ƙari na maganin hydroxyethyl cellulose, wanda ya haifar da demulsification, an ƙara emulsifier da mai kula da pH a lokacin shirye-shiryen maganin hydroxyethyl cellulose.
Tasirin Danko na Hydroxyethyl Cellulose (HEC) akan Fesa da Fina-Finan Abubuwan Abubuwan Rubutun Ruwa.
Mafi girman danko na hydroxyethyl cellulose (HEC), mafi girma tasiri a kan spraying da kuma samar da fim Properties na ruwa coatings. Lokacin da adadin adadinsa ya kasance 1 ‰, HEC tare da danko na 50 000 mPa·s yana sanya danko na tsarin suturar ruwa Lokacin da aka karu da sau 10, fesa ya zama da wahala sosai, kuma diaphragm yana raguwa sosai, yayin da HEC tare da danko. na 10 000mPa·s ba shi da ɗan tasiri akan fesa, kuma diaphragm yana raguwa a asali.
Tasirin Hydroxyethyl Cellulose (HEC) akan Juriya na Zafin Rufin Ruwa
An fesa abin da aka fesa da sauri-saitin roba kwalta mai hana ruwa ruwa a kan takardar aluminum don shirya samfurin gwajin juriya na zafi, kuma an warke shi bisa ga yanayin warkarwa na rufin kwalta mai hana ruwa na tushen ruwa wanda aka kayyade a daidaitattun GB/T 16777- na kasa. 2008. Hydroxyethyl cellulose tare da danko na 50 000 mPa·s yana da girman nauyin kwayoyin halitta. Bugu da ƙari, jinkirta ƙawancen ruwa, yana da wani tasiri mai ƙarfafawa, yana da wuya ga ruwa ya ƙafe daga ciki na rufin, don haka zai haifar da ƙumburi mafi girma. Nauyin kwayoyin halitta na hydroxyethyl cellulose tare da danko na 10 000 mPa·s karami ne, wanda ba shi da tasiri a kan ƙarfin kayan aiki kuma ba ya shafar yanayin ruwa, don haka babu tsarar kumfa.
Sakamakon adadin hydroxyethyl cellulose (HEC) da aka kara
Hydroxyethyl cellulose (HEC) tare da danko na 10 000 mPa · s an zaba a matsayin abu na bincike, da kuma sakamakon daban-daban tarawa na HEC a kan fesa yi da zafi juriya na waterproofing. Idan akai la'akari da spraying yi, zafi juriya da inji Properties na hana ruwa coatings comprehensively, an dauke cewa mafi kyau duka Bugu da kari na hydroxyethyl cellulose ne 1 ‰.
Neoprene latex a cikin fesa mai sauri-saitin roba kwalta mai hana ruwa ruwa da kwalta kwalta suna da babban bambanci a cikin polarity da yawa, wanda ke haifar da delamination na kayan A cikin ɗan gajeren lokaci yayin ajiya. Don haka, yayin da ake ginin wurin Ana bukatar a tada shi daidai kafin a fesa, in ba haka ba zai iya haifar da hadura masu inganci cikin sauki. Hydroxyethyl cellulose iya yadda ya kamata warware delamination matsalar fesa sauri-saitin roba kwalta da ruwa coatings. Bayan ajiya na wata daya, har yanzu babu delamination. Danko na tsarin ba ya canzawa da yawa, kuma kwanciyar hankali yana da kyau.
mayar da hankali
1) Bayan an ƙara hydroxyethyl cellulose zuwa fesa mai sauri-saitin roba kwalta mai hana ruwa ruwa, da zafi juriya na waterproofing shafi ne sosai inganta, da kuma matsalar m kumfa a saman rufin yana inganta sosai.
2) A ƙarƙashin yanayin rashin tasiri ga tsarin feshin, aikin samar da fim da kayan aikin injiniya, an ƙaddara hydroxyethyl cellulose don zama hydroxyethyl cellulose tare da danko na 10 000 mPa·s, kuma adadin ƙari shine 1 ‰.
3) Bugu da ƙari na hydroxyethyl cellulose inganta ajiya kwanciyar hankali na fesa sauri-saitin roba kwalta ruwa shafi, kuma babu delamination faruwa bayan ajiya na wata daya.
Lokacin aikawa: Mayu-29-2023