Matope okhathamira amatha kudalira kulemera kwake kuti apange mawonekedwe osalala, osalala komanso olunjika pa gawo lapansi pogona kapena kugwirizira zinthu zina. Nthawi yomweyo, imatha kugwira ntchito zazikulu komanso zomanga bwino. Chifukwa chake, madzi ambiri ndiofunika kwambiri pa matope okhawo omwe amadzipangitsa kuwonjezera, kuyenera kukhala ndi mphamvu madzi ndi mphamvu zomangira madzi, palibe mphamvu zamadzi, ndipo khalani ndi mikhalidwe ya kutentha kwa kutentha ndi kutentha kochepa.
Nthawi zambiri, matope omwe amadzilimbitsa okha amafunikira madzi abwino, koma madzi a phala lenileni nthawi zambiri amakhala 10-12cm; Pakati pa cellulose ed, hydroxypropyll methylcellulose (hpmc) ndiowonjezera matope osakanizika, ngakhale kuchuluka kwake kumakhala kochepa kwambiri, kumatha kusintha matope, kumatha kugwira ntchito, kugwira ntchito ndi magwiridwe antchito ndi ntchito yamadzi yogwirira ntchito. Imagwira ntchito yofunika kwambiri m'munda wamatope osakanikirana.
1. Kuyenda
Hydroxypylm methylcellulose (hpmc) ali ndi chofunikira pa kusungidwa kwamadzi, kusasinthika komanso zomanga zolimbitsa matope okha. Makamaka monga matope odzilimbitsa okha, madzi amtundu ndi chimodzi mwazizindikiro zazikulu zowunikira zolimbitsa thupi. Pansi pa kuwonetsetsa kuti mwakhala ndi matope, madzi amtondowo amatha kusinthidwa posintha kuchuluka kwa HPMC. Komabe, ngati mlingo wake ndiwokwera kwambiri, madzimadzi a matope adzachepetsedwa, kotero kuti Mlingo wa HPMC uyenera kulamulidwa m'njira zoyenera.
2. Kusunga kwamadzi
Kusunga kwamadzi kwa matope ndi cholembera chofunikira kuyeza kukhazikika kwa zinthu zamkati mwa matope osakanikirana. Kuti muchitepo kanthu mokwanira za gel, kuchuluka kwa hpmc koyenera kumatha kusunga chinyontho mu matope kwa nthawi yayitali. Nthawi zambiri, kusunga madzi madzi kwa slurry kumawonjezeka ndi kuchuluka kwa zomwe zili mu HPMC. Kusunga kwamadzi kugwiritsidwa ntchito kwa HPMC kumatha kupewa madzi ambiri kuti atenge madzi ambiri mwachangu, ndikulepheretsa madzi oseketsa, kuti malo otsekemera awonetsetse madzi oseketsa a simenti hydration. Kuphatikiza apo, mafayilo a hydroxpyupyl methylcelluloseuse amathandizanso kwambiri pa madzi osungira matope. Maonekedwe akuwoneka, abwinobwino madzi. Nthawi zambiri, zinthu zomwe zimapangidwa ndi matope pafupifupi 400mpa.
3. Kukhazikitsa nthawi
HPMC ili ndi mphamvu inayake patavala matope. Ndi kuwonjezeka kwa mlingo, nthawi ya kulowa kwa matope amakhala nthawi yayitali. Kubwezeretsanso kwa HPMC pa simenti pa sitementi kumatengera kuchuluka kwa magulu a magulu a alkyl, ndipo alibe ubale pang'ono ndi kulemera kwake. Zocheperako kuchuluka kwa alkyl kuloweza, kwakukulu ndi ma hydroxyl, komanso zowonekeratu zobwezera. Ndipo zapamwamba za HPMC, zodziwikiratu za filimu yovuta ya mafilimu yoyambirira ya simenti, motero kubwezeretsanso kumawonekeranso.
4.. Flemic Mphamvu ndi Mphamvu Yovuta
Nthawi zambiri, mphamvu ndi imodzi mwazinthu zofunika kwambiri zowunikira zida za simenti pa silinganizo. Mphamvu yovuta yolemetsa ndi kuthekera kwa matope kutsika ndi kuchuluka kwa zomwe zili mu HPMC.
5. Mphamvu Mphamvu
HPMC imathandizira kwambiri pakugwirira ntchito matope. HPMC imapanga filimu ya polymer ndi chipilala chomwe chimakhala pakati pa gawo la magawo am'madzi ndi tinthu tating'onoting'ono tinthu tating'onoting'ono, chomwe chimalimbikitsa madzi ambiri mumiyala, ndikuwongolera kwathunthu. Mphamvu zolimba. Nthawi yomweyo, kuwonjezera kuchuluka kwa hpmc koyenera kumawonjezera matope ndi kusintha kwa matope, kumachepetsa kukhazikika kwa malo osinthira pakati pa matope ndi mawonekedwe a gawo lapansi pakati pa mawonekedwe. Kufikira pamlingo winawake, kulumikizana pakati pa matope ndi gawo lapansi kumakulitsidwa. Kuphatikiza apo, chifukwa cha kupezeka kwa HPMC mu phala la simenti, malo apadera oyambira ndi gawo la mawonekedwe amapangidwa pakati pa tinyama ndi mankhwala osokoneza bongo. Izi zimapangitsa mawonekedwe osintha mawonekedwe osinthika komanso ochepera. Chifukwa chake, matope ali ndi mphamvu yolimba mphamvu.
Post Nthawi: Mar-23-2023