Hydroxypylfellllulose (hpmc) ndiowonjezera chilengedwe chonse chomwe chimagwiritsidwa ntchito pomanga m'malo omanga, makamaka popanga konkriti. Gawo la konkriti limagwira ntchito kwambiri, ndikukhudza mbali iliyonse ya momwe zinthuzo ndi momwe zimakhalira. Kuchokera ku cellulose, mankhwalawa amakhala ndi malo apadera omwe amathandizira kukonza kugwiritsidwa ntchito, kukhazikika komanso kuchuluka kwa ma correte.
1. Kuyambitsa kwa HPMC:
Kapangidwe ka mankhwala:
HydroxypropylmethylCulose ndiopanga polder polder ochokera ku cellulose, chilengedwe chachilengedwe chomwe chimapezeka m'makoma a cell. Kapangidwe ka mankhwala kwa HPMC kumakhala ndi maunyolo a cellulose omwe amalumikizidwa ndi methyl ndi ma hydroxypyl. Kuchuluka kwa izi kumatha kusinthidwa kusinthitsa katundu wa HPMC ndipo motero amagwira ntchito kunkriti.
1.2 katundu wakuthupi:
HPMC ndi polymer-solmer yamadzi yopanga mafilimu abwino kwambiri. Mukabalalika m'madzi, imapanga filimu yopyapyala yomwe imathandizira kusintha zokongoletsa za rroogical ndi makina. Kanemayo alinso ndi madzi osunga madzi, kupewa madzi ambiri m'mabasi oyambirira a kukomoka konkriti.
2. Mavuto pa kusachita:
2.1 Kusungidwa kwamadzi:
Chimodzi mwazinthu zoyambirira za HPMC ku konkriti ndi kuthekera kwake kusunga madzi. Monga hydrophilic polymer, hpmc amapanga filimu yopyapyala mozungulira simementi tating'onoting'ono, zimachepetsa madzi osinthasintha pa liwu ndi kukodza. Izi zimathandizira kugwiritsidwa ntchito kwa osakaniza konkriti, kulola kuphatikizidwa bwino ndi kuyika.
2.2 Sinthani rimology:
HPMC imagwira ngati rhelology yosintha, ikukhudza mayendedwe oyenda ndi kutanthauzira konkriti. Posintha kuchuluka kwa hpmc, osakaniza konkriti amatha kukwaniritsa zomwe mukufuna popanda kukhudza zinthu zina. Izi ndizofunikira kwambiri pamapulogalamu okhudzana ndi kupofuti kwa kuponyera kapena kuthira konkriti.
3. Zokhudza Kuthana:
3.1 Chepetsani kuchuluka kwake:
Kuonjezera HPMC ku masanjidwe osakanizira kumathandizira kuchepetsa kusokonekera kwa nkhaniyi. Kapangidwe ka kama filimuyo ya HPMC imalepheretsa kuyenda kwa madzi ndi zinthu zomwe zimapangitsa kukhazikika kwa ma cortete ma couctite pochepetsa chiopsezo cha kuukira kwa mankhwala ndi chipongwe chachitsulo.
3.2 Enhance Freeze-Thaw kukana:
HPMC imathandizira kusakanikirana konkriti konkriti mwa kukonza mawonekedwe ake. Mafomu owonda a HPMC owonda mozungulira simenti amachepetsa kukula ndikulumikizana kwa ma capillary pores, poyerekeza kuthekera kwa kuwonongeka kwa ma andeze-Thaw.
4. Kugwiritsa ntchito HPMC mu konkriti:
4.1 Kudziletsa:
HPMC imagwiritsidwa ntchito kwambiri popanga konkriti wodziletsa. Mphamvu yake yosungirako madzi ndi zosintha za rheology - Kusintha kwa Rhelogy kuwonetsetsa kuti osakaniza amasuntha ndalama zomwe zimafunikira poletsa tsankho komanso magazi ochulukirapo.
4.2 masile amalume ndi matope:
Mu tile zomata ndi matope, hpmc amachita ngati thiccener ndi binder. Zimawonjezera mgwirizano womwe umagwirizira zinthuzi ndikupereka zosasinthika zofunikira pakugwiritsa ntchito kosavuta.
4.3 Sukulu yakunja ndi kumaliza ntchito (magwiritsidwe):
HPMC imagwiritsidwa ntchito poyambira kunja ndi makina apamwamba kuti musinthe prither primer ndikuwonjezera kugwirira ntchito topcoat. Izi zimathandizira kukonza magwiridwe antchito komanso kutalika kwa nthawi yayitali.
5. Kugwirizana ndi Admaning ena:
5.1 Synergy ndi superplasticizer:
HPMC imatha kugwira ntchito synergity ndi superplariction kuti muchepetse madzi osakanikirana ndi konkriti mukamagwiritsa ntchito kugwiritsidwa ntchito. Kuphatikiza uku kumawonjezera mphamvu ndi kukhazikika kwa konkriti.
5.2 Kugwirizana ndi Kutumiza Kumandira:
Ngati ogulitsa amagwiritsidwa ntchito kuzengereza ndi nthawi ya konkriti, hpmc yomwe ingafanane ndi zowonjezerazi pokonzanso ntchito komanso kusakaniza kwamadzi kwa osakaniza.
6. Maganizo a chilengedwe:
6.1 biodegradiilicess:
Nthawi zambiri hpmc nthawi zambiri zimaganiziridwa kukhala ochezeka chifukwa chakuti biodegrador. Izi ndizogwirizana ndi kutsindika komwe kumayambitsa kulimbitsa thupi kokhazikika komanso kwa Eco.
6.2 Chepetsani mawonekedwe a kaboni:
Kugwiritsa ntchito hpmc mu zosakaniza konkriti kumathandizira kuchepetsa njira zomanga za kaboni. Mwa kukonza magwiridwe ake ndi kulimba kwa konkriti, zomangira zingatikonzere ndalama zochepa kapena zobwezeretsa, zomwe zimapangitsa kuti zachilengedwe zizipindulitsa.
7. Kumaliza:
Hydroxypropyll methyllulose imathandizanso kulimbikitsa mbali zosiyanasiyana za ntchito zosiyanasiyana. Zimakhudza kugwirira ntchito, kukhazikika komanso kuphatikizika ndi ma adminity ena kumapangitsa kuti ikhale yothandiza pomanga. Pofuna zinthu zolimbitsa thupi komanso zomangira zomangira zimapitilirabe, hpmc imawoneka ngati yankho losiyanasiyana lomwe limathandizira kupititsa patsogolo magwiridwe antchito komanso kutalika konse kwa zinthu zina.
Post Nthawi: Feb-19-2025