Putty ndi plaster ndi zinthu zodziwika bwino zomwe zimagwiritsidwa ntchito kwambiri mumakampani omanga. Ndi zofunika kwambiri pokonzekera makoma ndi denga kuti zipentedwe, kuphimba ming'alu, kukonza malo owonongeka, ndikupanga malo osalala komanso ofanana. Amapangidwa ndi zosakaniza zosiyanasiyana kuphatikiza simenti, mchenga, laimu ndi zina zowonjezera kuti zipereke magwiridwe antchito ndi mawonekedwe ofunikira. Methylhydroxyethylcellulose (MHEC) ndi imodzi mwazowonjezera zofunika kwambiri zomwe zimagwiritsidwa ntchito popanga putty ndi ufa wa plaster. Imagwiritsidwa ntchito kukonza mawonekedwe a ufa, kuwonjezera magwiridwe antchito awo ndikuwonjezera magwiridwe antchito awo.
Ubwino wogwiritsa ntchito MHEC popanga putty ndi gypsum powder
MHEC imachokera ku cellulose ndipo imapangidwa kudzera mu njira yosinthira mankhwala. Ndi mankhwala osungunuka m'madzi omwe amagwiritsidwa ntchito kwambiri ngati chokhuthala, chokhazikika komanso chosakaniza mumakampani omanga. Ikawonjezeredwa ku ufa wa putty ndi gypsum, MHEC imaphimba tinthu tating'onoting'ono, ndikupereka gawo loteteza lomwe limaletsa kuti tisamange ndikukhazikika. Izi zimapangitsa kuti pakhale kusakaniza kofanana komanso kogwirizana komwe kumakhala kosavuta kugwira ntchito nako komanso kumapereka kumaliza bwino.
Chimodzi mwa ubwino waukulu wogwiritsa ntchito MHEC mu ma putty ndi ma plaster ndikuti imawonjezera mphamvu zawo zosungira madzi. MHEC imayamwa ndikusunga chinyezi, kuonetsetsa kuti chisakanizocho chikugwiritsidwa ntchito ndipo sichiuma mwachangu. Izi ndizofunikira kwambiri m'malo otentha komanso ouma komwe chisakanizocho sichingagwiritsidwe ntchito mwachangu, zomwe zimapangitsa kuti chimalizirocho chikhale chofooka.
MHEC imathandizanso kuti ma putty ndi ma plaster azigwira ntchito bwino komanso nthawi yogwirira ntchito. MHEC imapangitsa kusakaniza ndi kugwiritsa ntchito chisakanizo kukhala kosavuta posunga chinyezi ndikuletsa chisakanizocho kuti chisaume. Kuphatikiza apo, kapangidwe kake kosalala komanso kofanana ndi batala ka MHEC kamalola kuti putty ndi stucco zifalikire mofanana pamwamba popanda kusiya zibowo kapena ma clamps, zomwe zimapangitsa kuti zikhale zokongola komanso zopanda vuto.
Kuwonjezera pa kukulitsa kapangidwe kake ndi kugwirira ntchito bwino kwa ma putty ndi ma plaster, MHEC imathanso kukonza mphamvu zawo zomangira. Mwa kupanga gawo loteteza kuzungulira tinthu tating'onoting'ono, MHEC imaonetsetsa kuti imagwirizana bwino ndi pamwamba pomwe ikukonza. Izi zimapangitsa kuti pamwamba pake pakhale pamphamvu komanso cholimba chomwe sichingasweke, kusweka kapena kusweka pakapita nthawi.
Ubwino wina waukulu wogwiritsa ntchito MHEC mu putty ndi plaster ndikuti imawonjezera kukana kwawo mpweya ndi chinyezi. Izi zikutanthauza kuti putty kapena stucco ikagwiritsidwa ntchito, imapewa kuwonongeka ndi mpweya ndi chinyezi, ndikuwonetsetsa kuti pamwamba pake pamakhalabe wolimba komanso wokongola kwa nthawi yayitali.
Kukonza Magwiridwe Abwino a Putty ndi Gypsum Pogwiritsa Ntchito MHEC
Kuti putty ndi ufa wa plaster zigwire bwino ntchito, ndikofunikira kuonetsetsa kuti MHEC ikugwiritsidwa ntchito moyenera. Izi zikutanthauza kuti kugwiritsa ntchito kuchuluka koyenera kwa MHEC kungapangitse kuti putty kapena stucco yomwe ikupangidwa ikhale yogwira ntchito bwino komanso yofanana ndi yomwe ikufunidwa.
Zinthu zachilengedwe zomwe zingakhudze momwe putty ndi gypsum ufa zimagwirira ntchito ziyenera kuganiziridwa. Mwachitsanzo, m'malo otentha komanso ouma, MHEC yambiri ingafunike kuwonjezeredwa kuti chisakanizocho chikhale chogwira ntchito komanso chogwirizana.
Ndikofunikira kwambiri kuonetsetsa kuti putty kapena stucco yagwiritsidwa ntchito moyenera kuti igwire bwino ntchito. Izi zikutanthauza kutsatira malangizo a wopanga mosamala ndikuwonetsetsa kuti chisakanizocho chasakanizidwa bwino musanagwiritse ntchito. Kuphatikiza apo, zida zapadera zingafunike kuti zitsimikizire kuti putty kapena stucco yagwiritsidwa ntchito mofanana komanso mosalekeza pamwamba pomwe ikukonzedwa.
MHEC ndi chowonjezera chofunikira chomwe chimagwiritsidwa ntchito popanga ufa wa putty ndi plaster. Chimawonjezera mphamvu ndi mawonekedwe a zinthuzi, kukonza kugwiritsiridwa ntchito kwake, kusunga madzi, kumamatira komanso kukana mpweya ndi chinyezi. Izi zimapangitsa kuti zikhale zokhazikika, zolimba komanso zokongola zomwe sizingasweke, kusweka kapena kusweka pakapita nthawi. Kuti muwongolere bwino ntchito ya putty ndi gypsum powder, ndikofunikira kuonetsetsa kuti MHEC ikugwiritsidwa ntchito moyenera, poganizira zinthu zachilengedwe zomwe zingakhudze magwiridwe antchito awo. Kuphatikiza apo, ndikofunikira kugwiritsa ntchito putty kapena stucco molondola kuti igwire bwino ntchito yake ndikukwaniritsa zotsatira zomwe mukufuna.
HEMC imagwiritsidwa ntchito mu simenti kuti ikonze bwino makhalidwe ake. Hydroxyethyl methylcellulose (HEMC) ndi mankhwala omwe amagwiritsidwa ntchito kwambiri mumakampani omanga. Ndi mgwirizano pakati pa kugwira ntchito bwino, kusunga madzi, thixotropy, ndi zina zotero. Masiku ano, mtundu watsopano wa cellulose ether ukulandira chidwi chochulukirapo. Chomwe chakopa chidwi chochuluka ndi hydroxyethyl methylcellulose (MHEC).
Chimodzi mwa zinthu zofunika kwambiri zomwe zimatsimikiza ubwino wa zinthu za simenti ndi kuthekera kwa ntchito ya simenti. Umu ndi momwe simenti imakhalira yosavuta kusakaniza, kupanga ndi kuyika. Kuti izi zitheke, simenti yosakaniza iyenera kukhala yamadzimadzi okwanira kuthira ndi kuyenda mosavuta, komanso iyeneranso kukhala yokhuthala mokwanira kuti isunge mawonekedwe ake. MHEC ikhoza kukwaniritsa izi mwa kuwonjezera kukhuthala kwa simenti, motero ikukweza kugwira ntchito kwake.
MHEC ingathandizenso kuchepetsa madzi m'simenti ndikuwonjezera mphamvu zake. Mphamvu yomaliza ya simenti imadalira kuchuluka kwa madzi omwe amagwiritsidwa ntchito kusakaniza. Madzi ochulukirapo amachepetsa mphamvu ya simenti, pomwe madzi ochepa amapangitsa kuti zikhale zovuta kwambiri kugwira ntchito nayo. MHEC imathandiza kusunga madzi enaake, motero kuonetsetsa kuti simentiyo imakhala ndi madzi okwanira komanso kulimbikitsa mapangidwe a mgwirizano wolimba pakati pa tinthu ta simenti.
MHEC imathandiza kuchepetsa kuchuluka kwa ming'alu ya simenti. Pamene simenti ikuchira, chisakanizocho chimachepa, zomwe zingayambitse kupangika kwa ming'alu ngati kuphwanyika sikulamuliridwa. MHEC imaletsa kuphwanyika kumeneku mwa kusunga madzi okwanira mu chisakanizocho, motero imaletsa simenti kuti isaphwanyike.
MHEC imagwiranso ntchito ngati filimu yoteteza pamwamba pa simenti, kuteteza madzi kuti asatuluke pamwamba. Filimuyi imathandizanso kusunga chinyezi choyambirira cha simenti, kuchepetsa mwayi wosweka.
MHEC ndi yabwinonso pa chilengedwe. Choyamba, imatha kuwonongeka, zomwe zikutanthauza kuti siikhala m'chilengedwe kwa nthawi yayitali. Kachiwiri, ingathandize kuchepetsa kuchuluka kwa simenti yomwe imafunika pa ntchito zomanga. Izi zili choncho chifukwa MHEC imawonjezera kugwira ntchito ndi kukhuthala kwa simenti, kuchepetsa kufunikira kwa madzi owonjezera omwe amangochepetsa kusakaniza kwa simenti.
Kugwiritsa ntchito MHEC mu simenti kumapereka zabwino zingapo ndipo kungathandize kwambiri makampani omanga. Kumawonjezera kugwira ntchito kwa simenti, kumachepetsa kuchuluka kwa ming'alu yomwe imapangika panthawi yowuma, kumathandizira kuti simenti ikhale yonyowa komanso yolimba, komanso kumagwira ntchito ngati filimu yoteteza pamwamba pa simenti. Kuphatikiza apo, MHEC ndi yabwino ku chilengedwe. Chifukwa chake, MHEC ndi chinthu chamtengo wapatali kwa makampani omanga chifukwa imawongolera mtundu wa simenti komanso imapindulitsa antchito ndi chilengedwe.
Nthawi yotumizira: Okutobala-18-2023