Hpmc (hydroxypropyl methylcellulose)Ndi zinthu zomwe zimagwiritsidwa ntchito pompopompo zomwe zimagwiritsidwa ntchito popanga zitamba zopangidwa ndi sile, makamaka popanga matope osakaniza, zomata za matabwa, zokutira za khoma, gypsum ndi zomangira zina zomangira.
1. Kupititsa patsogolo kugwirira ntchito komanso kubisaladi
HPMC ili ndi mphamvu zokulirapo ndipo zimatha kusintha madzi ndikukweza zinthu zopangidwa ndi denga la simenti, zimapangitsa kukhala kosavuta kugwira ntchito pomanga. Pambuyo kuwonjezera hpmc, kugwirira ntchito kwa zida monga matope ndi zomata kumasintha kwambiri, kumapangitsa kuti azikhala osavuta kugwiritsa ntchito mawu omangira, komanso bwino kukonza.
2. Kufikira maola otsegulira ndikuwongolera ntchito yomanga
HPMC ikhoza kuchepetsedwa nthawi yoyamba ya zinthu zopangidwa ndi simenti, kulola ogwira ntchito omanga kuti azigwira nthawi yayitali pomanga. Ntchito yomangayi yotseguka kwa zinthu za simenti (mwachitsanzo, nthawi yomwe zinthuzo zitha kukhalabe zopangidwabe pamaso paulemerero) imakulitsidwa kwambiri. Kwa ntchito zazikulu kapena zomanga zomanga zovuta, zowonjezera maola otsegulira zimatha kuchepetsa zovuta zomangamanga ndi zotayika zomwe zimayambitsidwa chifukwa cha zotsogola, makamaka m'malo otentha kwambiri.
3. Sinthani zotsatsa ndi kukana madzi
HPMC imatha kukulitsa chotsatsa cha zinthu zopangidwa ndi simenti, zomwe zimawapangitsa kuti azitsatira bwino gawo limodzi ndikuwonjezera mphamvu yolumikizana pakati pa zida zosiyanasiyana. Muzogwiritsa ntchito monga matayala omatira ndi gypsum, hpmc imatha kusintha mokweza zomata mpaka pansi ndikuchepetsa kuthekera kochokera kwa matabwa a gypsum ndi zida zina. Kuphatikiza apo, HPMC ili ndi madzi abwino, omwe amatha kusintha magwiridwe antchito a simenti mu madera achinyontho, amachepetsa mphamvu yachinyezi pazinthu zachilengedwe, ndikuwonjezera moyo wa zinthuzo.
4. Sinthani kukana kukana
Kugwiritsa ntchitoHpmcPazinthu zochokera mu Smementi zimathandizira kuthetsa mkwiyo, makamaka malinga ndi kuyanika. Matope a simenti amakonda ming'alu pa madzi opopera. HPMC imatha kusintha kuchuluka kwa madzi osinthika a simenti kuti muchepetse kuchitika kwa ming'alu. Posintha njira zamagetsi zopangidwa ndi simenti, hpmc zimatha kuchepetsa ming'alu yoyambitsidwa ndi kusamvana kwa kutentha, kusintha kwachinyezi kapena kupsinjika kwazinthu zomwe zidapangidwa ndi sitayizo.
5. Onetsetsani handireding ndi kukhazikika
HPMC imatha kuwongolera zokhumudwitsa zomwe zimapangidwa ndi simenti zochokera mu simenti ndikuwonjezera katundu wawo wotsutsa. Kupezeka kwa thovu mu zinthu zochokera kwa simenti kumakhudza mphamvu, kuphatikiza ndi mawonekedwe a zinthuzo. Kuphatikiza kwa hpmc kumatha kukhazikika kapangidwe ka slurry ndikuchepetsa m'badwo wa thoble, motero kukonza ma curctness ndikugwirira ntchito.
6. Sinthani mawonekedwe ndi mawonekedwe
M'zinthu zambiri zopangidwa ndi simenti, zowoneka bwino komanso mawonekedwe ake zimakhala ndi zofunika kwambiri pamsika wogulitsa pamsika wa mankhwala omaliza. HPMC imatha kusintha madzi opangidwa ndi simenti, pangani zofooka zawo mosamala komanso zotsekemera, komanso kuchepetsa zilema monga kung'amba ndi thovu panthawi yomanga, ndikuwongolera mawonekedwe a malonda. Makamaka pantchito zophatikizira ndi zomata za matailesi, hpmc zitha kuwonetsetsa kuti pamwamba ndi wopanda cholakwika komanso kukwaniritsa zowoneka bwino.
7. Sinthani kusintha ndi kusinthasintha
HPMC ndi chinthu chomwe chingasinthidwe ku zosowa zosiyanasiyana. Posintha kapangidwe kake (monga madigiri osiyanasiyana a hydroxpropylation, methylation, etc.), kusinthika kwamphamvu, mochedwa, kuchedwetsa kwina kwa HPMC kumasinthidwe. yankho. Mwachitsanzo, zomata zam'madzi kwambiri ndikukonza matope, mitundu yosiyanasiyana ya HPMC itha kugwiritsidwa ntchito kukwaniritsa zosowa zomangamanga zosiyanasiyana.
8. Kulimbikitsa kuteteza kwa chilengedwe ndi kuteteza kwa mphamvu
Monga zinthu zachilengedwe za polymer, hpmc nthawi zambiri sizikhala zopweteka, zopanda vuto ndikukwaniritsa chitetezo chachilengedwe. Kugwiritsa ntchito simenti ya HPMC sikungosintha magwiridwe antchito, komanso kumachepetsa zovuta zachilengedwe. Kuphatikiza apo, kuwonjezera kwa HPMC kumatha kuchepetsa kuchuluka kwa simenti, kupulumutsa mphamvu, ndikuthandizira kukonza magwiridwe antchito a simenti ndi kuchepetsa ndalama zokonza.
9. Sinthani kukhazikika kwa mafuta
HPMC ili ndi bata inayake ndipo imatha kukhala yokhazikika pa kutentha kwambiri. Mwa zina zapadera, monga zinthu zopangidwa ndi mmenga m'malo otentha kwambiri, hpmc zimatha kupereka mphamvu zamagetsi, onetsetsani kuti zinthuzo zitha kukhalabe ndi ntchito yomanga ndi kutentha kwambiri.
10. Kuthandizira madzi ndi kufanana
HPMC imatha kupanga zosakaniza zazomwe zimaperekedwa ndi zinthu zoperekedwanso ndikuchepetsa kusamvana komwe kumachitika chifukwa chosagwirizana. Zimasintha madzimadzi amtunduwu ndipo amapewera mawonekedwe a zotupa kapena tinthu tating'onoting'ono, potero, onetsetsani kuti pali kusiyana komanso kusasinthika kwa zinthu zonse.
Monga zowonjezera pamalonda a simenti,HpmcSimungangosintha kwambiri kugwirira ntchito, kutsatira, kukana madzi, kukana ndi mawonekedwe a malondawo, komanso kukonza bwino ntchito yomanga zinthuzo. Mphamvu zake zabwino kwambiri za kukula, kusiya zolimba, kusinthana kusokonekera, kutsutsa ndi kuwongolera ndi madzimadzi kumapangitsa kuti owonjezera othandiza pamakono. Monga momwe makampani omanga amafunikira kuti azikhala okwera kwambiri, kugwiritsa ntchito kwa HPMC mu CERE kupezeka ponseponse.
Post Nthawi: Desic-07-2024