Idan muka yi amfani da foda mai tsami, sau da yawa za a sami wasu matsaloli, don haka ba mu san dalili ba. Ina tsammanin ya kamata a sami nau'ikan matsaloli guda bakwai waɗanda galibi ke bayyana a cikin foda mai tsami!
Na ɗaya: Yi shi da sauri. Wannan yana da alaƙa da ƙara sinadarin alli na toka da kuma yawan riƙe ruwa na zare, kuma yana da alaƙa da bushewar bango.
Na biyu: bare da birgima. Wannan yana da alaƙa da yawan riƙe ruwa, wanda yake da sauƙin faruwa idan ɗanɗanon cellulose ya yi ƙasa ko kuma adadin ƙarin ya yi ƙasa.
Na uku: cire foda. Wannan yana da alaƙa da adadin sinadarin ash da aka ƙara, kuma yana da alaƙa da adadin da ingancin sinadarin cellulose da aka ƙara. Yana bayyana a cikin adadin riƙe ruwa na samfurin. Yawan riƙe ruwa yana da ƙasa kuma lokacin da aka sha sinadarin ash bai isa ba.
Huɗu: Ƙuraje. Wannan yana da alaƙa da bushewar danshi da kuma faɗin bangon, kuma yana da alaƙa da ginin.
Biyar: Alamar fil ta bayyana. Wannan yana da alaƙa da cellulose, wanda ke da mummunan halayen samar da fim. A lokaci guda, ƙazanta a cikin cellulose yana amsawa kaɗan da sinadarin ash calcium. Idan amsawar ta yi tsanani, foda putty zai bayyana a cikin yanayin ragowar wake curd. Ba za a iya sanya shi a bango ba, kuma ba shi da ƙarfin haɗin kai a lokaci guda. Bugu da ƙari, wannan yanayin yana faruwa tare da samfuran kamar ƙungiyoyin carboxyl da aka ƙara a cikin cellulose.
Shida: Kogogin aman wuta da ƙananan ramuka suna bayyana. Wannan a bayyane yake yana da alaƙa da tashin hankalin saman ruwa na ruwan hydroxypropyl methylcellulose, amma tashin hankalin saman ruwa na ruwan hydroxyethyl ba a bayyane yake ba. Zai fi kyau a yi maganin sauƙi.
Bakwai: Bayan putty ya bushe, yana da sauƙin fashewa ya koma rawaya. Wannan yana da alaƙa da ƙara yawan sinadarin calcium mai launin toka. Idan aka ƙara yawan sinadarin calcium mai launin toka da yawa, taurin foda zai ƙaru bayan bushewa. Taurin da rashin sassauci ne kawai zai fashe cikin sauƙi, musamman idan aka fuskanci ƙarfin waje. Hakanan yana da alaƙa da yawan sinadarin calcium oxide a cikin sinadarin calcium mai launin toka.
1. Me yasa foda na putty ke yin siriri bayan an ƙara ruwa?
Ana amfani da Cellulose ether a matsayin mai kauri da kuma mai riƙe ruwa a cikin putty. Saboda thixotropy na cellulose kanta, ƙara cellulose a cikin putty foda shi ma yana haifar da thixotropy bayan ƙara ruwa a cikin putty. Wannan thixotropy yana faruwa ne ta hanyar lalata tsarin haɗin da aka haɗa na abubuwan da ke cikin putty foda. Wannan tsari yana tasowa a lokacin hutawa kuma yana rushewa a ƙarƙashin damuwa. Wato, viscosity yana raguwa yayin motsawa, kuma viscosity yana dawowa lokacin tsayawa cak.
2. Menene dalilin da yasa putty yake da nauyi sosai a tsarin gogewa?
A wannan yanayin, dankowar cellulose da ake amfani da ita gabaɗaya ya yi yawa. Wasu masana'antun suna amfani da cellulose 200,000 don yin putty. Putty da aka samar ta wannan hanyar yana da danko mai yawa, don haka yana jin nauyi lokacin gogewa. Adadin putty da aka ba da shawarar don bangon ciki shine kilogiram 3-5, kuma danko shine 80,000-100,000.
3. Me yasa putty da turmi da aka yi da cellulose mai kama da juna suke jin bambanci a lokacin hunturu da bazara?
Saboda yanayin zafi na samfurin, ɗanɗanon samfurin zai ragu a hankali tare da ƙaruwar zafin jiki. Lokacin da zafin ya wuce zafin gel na samfurin, samfurin zai fito daga ruwa kuma ya rasa ɗanɗanon sa. Zafin ɗakin a lokacin rani gabaɗaya yana sama da digiri 30, wanda ya bambanta da zafin hunturu, don haka ɗanɗanon yana ƙasa. Ana ba da shawarar zaɓar samfurin da ya fi ɗanɗanon sa lokacin amfani da samfurin a lokacin rani, ko ƙara yawan cellulose, kuma zaɓi samfurin da ya fi zafin gel.
Lokacin Saƙo: Afrilu-26-2024