Popanga zida zomangira, makamaka matope a ufa wa ufa,cellulose etherAmagwira ntchito yofunika kwambiri, makamaka popanga matope apadera (matope osinthika), ndi gawo lofunikira. Udindo wofunikira wa kusungunuka wamadzi wosungunulira wamadzi mu matope ndi momwe amasungitsira madzi abwino kwambiri. Madzi osunga ma cellulose ethel ether amatengera madzi ophatikizika, kapangidwe ka matope, makulidwe a matope, kufunidwa kwamadzi kwa matope.
Matayala ambiri ndi matiya oyala sagwira madzi bwino, ndipo madzi ndi masikono amalekanitsa atangoimirira. Kusungidwa kwamadzi ndikofunikira pakugwiritsa ntchito methyl cellulose ether ether, ndipo ndi ntchito yomwe ambiri amawuma opanga matope, makamaka iwo akumwera kum'mwera ndi kutentha kwakukulu, samalani. Zinthu zomwe zimakhudzanso madzi kubwezeretsa madzi owuma pa ufa wa ufa umaphatikizapo kuchuluka kwake, mafayilo, kukoma kwa tinthu, ndi kutentha kwa malo ogwiritsira ntchito.
Kusunga kwamadzi kwacellulose etherIwowo amachokera ku sulubility ndi madzinjeme a cellUluse ether. Monga tonse tikudziwa, ngakhale kuti ma cellulose a cellulose amakhala ndi mitundu yambiri yamagulu ambiri, samasungunuka m'madzi, chifukwa mawonekedwe a cellulose ali ndi crystality wamkulu. Kutha kwa ma hydrobyl kwa magulu a hydroxyl sikukwanira kuphimba maukonde olimba ndi van Der Waals pakati pa mamolekyulu. Chifukwa chake, zimangotupa koma sizisungunuka m'madzi. Pamene gawo lazolowera limayambitsidwa mu mawonekedwe a ma molecular, osati gawo lokhalo lomwe limawononga unyolo wa hydrogen, komanso mgwirizano wa hydchain umawonongedwa chifukwa cha ukwati wapafupi ndi maunyolo oyandikana nawo. Kukula m'malo mwake, kwakukulu pakati pa mamolekyulu. Chachikulu mtunda. Zotsatira zazikulu zakuwononga magwiridwe antchito a hydrogen, ma cellulose amasungunuka osungunuka madzi pachipindachi atayamba kukula ndi yankho lolowa, ndikupanga yankho lalitali. Kutentha kukakwera, hydration kwa polima kumachepetsa, ndipo madzi pakati pa maunyolo amachotsedwa kunja. Mphamvu zokwanira zikakhala zokwanira, mamolekyulu amayamba kuphatikizika, ndikupanga mawonekedwe atatu a gel osakaniza ndikupindidwa.
Nthawi zambiri, mafakiti apamwamba, abwinobwino amadzisungira madzi. Komabe, mafayilo apamwamba komanso olemera kwambiri, kuchepa kolingana kofananira mu kusungunuka kwake kumabweretsa zovuta pa mphamvu ndi matope omanga matope. Maonekedwe ake, zoonekeratu kuti zimakula kwambiri patavala matope, koma siyofanana mwachindunji. Matope owoneka bwino, ndiye kuti, pomanga, amawonetsedwa ngati kumamatira ku starpiper ndi kutsatira kwakukulu kwa gawo lapansi. Koma sizothandiza kukulitsa mphamvu ya matonthozo onyowa. Pakumanga, magwiridwe antchito a Anti-Anti-sag sizachidziwikire. M'malo mwake, sing'anga ena apakati komanso otsika koma osinthika methylcellulose earsKhalani ndi luso labwino kwambiri pokonzanso mphamvu ya matope onyowa.
Post Nthawi: Apr-25-2024