Ma cellulose ethers amagwiritsidwa ntchito nthawi zambiri muzinthu zopangidwa ndi simenti kuti apititse patsogolo makina awo komanso mawonekedwe awo. Ubwino umodzi wofunikira wa chowonjezera ichi ndi mphamvu yake yopangira mpweya, zomwe zimapangitsa kuti zida za simenti zisawonongeke ndi chisanu ndi zina zachilengedwe. Nkhaniyi ifotokoza momwe ma cellulose ethers amapangira mpweya pazida zatsopano zopangira simenti ndikuwonetsa momwe amapangira ntchito yomanga.
Ma cellulose ethers ndi ma polima osungunuka m'madzi opangidwa kuchokera ku cellulose. Amagwiritsidwa ntchito kwambiri pantchito yomanga ngati thickener, dispersant ndi stabilizer pazinthu zosiyanasiyana za simenti monga matope, grout ndi konkriti. M'zaka zaposachedwa, mphamvu yopatsa mpweya ya cellulose ethers yakhala yotchuka kwambiri chifukwa chakutha kukulitsa kulimba komanso kugwira ntchito kwa zida zatsopano zopangira simenti.
Aeration ndi njira yosakaniza tinthu ting'onoting'ono ta mpweya mu phala la simenti kapena matope panthawi yosakaniza. Cholinga chachikulu cha kulowetsedwa kwa mpweya ndikuwonjezera kulimba kwa zinthu zopangidwa ndi simenti. Madzi mu konkire kapena grout akaundana, amatha kukulirakulira, kupangitsa kuti zinthuzo zing'ambe kapena kuphulika. Mapiritsi a mpweya wolowetsedwa amakhala ngati valavu yochepetsera kupanikizika, kupereka malo kuti madzi achuluke, kulepheretsa kuti zinthuzo zisaphwanyike kapena kung'ambika.
Ma cellulose ethers ndi othandizira mpweya wabwino muzinthu zopangidwa ndi simenti pazifukwa zingapo. Chifukwa choyamba ndi kuthekera kwake kupanga thovu lokhazikika. Akasakanizidwa ndi madzi, ma cellulose ethers amapanga thovu lokhazikika lomwe limaphatikizidwa mosavuta mu grout. The thovu si sachedwa kusweka pa kusakaniza ndi amapereka khola masanjidwewo wa mpweya thovu. Chifukwa chachiwiri ndi kuthekera kwake kuonjezera mphamvu yogwira madzi a grout. Izi zimapereka madzi ochulukirapo kuti atsekedwe mu pores, motero amawonjezera pore zomwe zili muzinthuzo.
Mphamvu yolowera mpweya ya ma cellulose ethers pazinthu zatsopano zopangira simenti ili ndi maubwino angapo pantchito yomanga. Choyamba, zimathandizira kuti zida zatsopano zopangira simenti zitheke. Mpweya wa mpweya umakhala ngati mafuta, kuchepetsa kukangana pakati pa tinthu tating'onoting'ono, kulola kuti chisakanizocho chiziyenda mosavuta ndikuchotsa kufunikira kwa madzi owonjezera, zomwe zingawononge katundu wa mankhwala omaliza.
Imakulitsa kulimba kwa zinthu zopangidwa ndi simenti. Mpweya wopangidwa ndi thovu womwe umalowa mkati umapangitsa kuti madzi oundana asachuluke m'nyengo yozizira, zomwe zimapangitsa kuti zinthuzo zisang'ambe kapena kusenda. Kuonjezera apo, mphamvu ya mpweya wa cellulose ether imapangitsa kuti zinthuzo zisagwirizane ndi kuzizira ndi kusungunuka, kukulitsa moyo wake wothandiza komanso kuchepetsa ndalama zothandizira.
Imapititsa patsogolo mgwirizano ndi kumamatira kwa zinthu zopangidwa ndi simenti. Mpweya wopangidwa ndi thovu wophunzitsidwa umawonjezera malo a zinthuzo, zomwe zimapangitsa kuti zigwirizane kwambiri ndi zinthu zoyandikana nazo ndikuwongolera kukhulupirika kwake.
Ma cellulose ethers ndi zowonjezera zowonjezera muzinthu zatsopano za simenti chifukwa cha mphamvu yawo yopangira mpweya. Ma thovu amlengalenga ophunzitsidwa amapangitsa kuti zinthu zitheke komanso kukhazikika kwa zinthuzo, zimachepetsa chiopsezo cha kusweka ndi spalling, ndikuwongolera kulumikizana ndi kumamatira kwa zinthuzo. Kaya akumanga misewu, milatho, nyumba kapena ntchito zina zogwirira ntchito, ma cellulose ethers akhala chinthu chofunika kwambiri popereka nyumba zapamwamba, zokhalitsa. Choncho, m'pofunika kuzindikira zotsatira zabwino za chowonjezera ichi pa ntchito yomanga ndikupitiriza kufufuza ntchito zomwe zingatheke.
Nthawi yotumiza: Sep-01-2023