HPMC(CAS:9004-65-3), a matsayin ƙarin da ake amfani da shi sosai a fannin kayan gini, ana amfani da shi ne musamman don riƙe ruwa, kauri da kuma inganta aikin samfurin da aka gama. Yawan riƙe ruwa yana ɗaya daga cikin mahimman alamun lokacin da kuka zaɓi HPMC mai inganci, don haka bari mu yi la'akari da abubuwan da ke shafar ƙimar riƙe ruwa na HPMC.
1. Yawan HPMC, da kuma aikin riƙe ruwa da yake yi yana daidai da adadin da aka ƙara. Adadin HPMC da ake amfani da shi a kayan gini a kasuwa ya bambanta dangane da inganci. Yawanci ana ƙara shi a cikin kamar haɗawa, shafa, turmi mai hana fashewa, da sauransu. Adadin ƙarin shine 2 ~ 2.5 KG /MT, adadin ƙarin putty da sauransu yana tsakanin 2 ~ 4.5 KG /MT, manne na tayal yana tsakanin 3.5 ~ 4 KG /MT, kuma adadin grout na tayal shine 0.3 ~ 1 KG /MT bisa ga hanyoyin gini daban-daban, faɗin gibin da kuma ƙarancin slurry, turmi mai daidaita kansa yana tsakanin 0.2 ~ 0.6 KG /MT, kuma ETICS yana tsakanin 4 ~ 7 KG /MT. A cikin wannan kewayon, idan aka ƙara HPMC, aikin riƙe ruwa zai fi kyau.
2. Tasirin muhallin gini. Danshin iska, zafin jiki, matsin iska, saurin iska da sauran abubuwa za su shafi saurin raguwar ruwa a cikin turmi da kayayyakin da aka yi da siminti. A yanayi daban-daban da yankuna daban-daban, yawan riƙe ruwa na samfurin iri ɗaya zai bambanta, amma gabaɗaya, Zafin jiki yana da babban tasiri akan yawan riƙe ruwa, don haka akwai ra'ayi game da kasuwa: HPMC tare da zafin gel mafi girma samfuri ne mai inganci tare da yawan riƙe ruwa mai yawa.
3. Tsarin samarwa da kuma danko na cellulose ether -HPMC. Rukunin methoxy da hydroxypropoxy suna rarraba daidai gwargwado tare da sarkar kwayoyin cellulose, wanda zai iya ƙara haɗin atom ɗin oxygen akan haɗin hydroxyl da ether da ruwa. Ikon haɗin hydrogen yana sa ruwa mai 'yanci ya zama ruwa mai ɗaure, ta haka ne yake sarrafa ƙafewar ruwa yadda ya kamata da kuma cimma riƙe ruwa mai yawa.
Lokacin Saƙo: Mayu-16-2022

