HPMC (CAS:9004-65-3), monga chowonjezera chomwe chimagwiritsidwa ntchito kwambiri popanga zomangira, chimagwiritsidwa ntchito makamaka posungira madzi, kukhuthala komanso kukonza magwiridwe antchito a chinthu chomalizidwa. sankhani HPMC yapamwamba kwambiri, kotero tiyeni tiwone mwatsatanetsatane zinthu zomwe zimakhudza kuchuluka kwa kasungidwe kwa madzi a HPMC.
1.Mlingo wa HPMC, ndi ntchito yake yosunga madzi imagwirizana mwachindunji ndi kuchuluka kwake.Kuchuluka kwa HPMC komwe kumagwiritsidwa ntchito pomanga pamsika kumasiyanasiyana kutengera mtundu.Nthawi zambiri amawonjezedwa monga kulumikiza, pulasitala, matope odana ndi kung'amba, ndi zina zambiri. Zowonjezera zambiri ndi 2 ~ 2.5 KG / MT, kuchuluka kwa putty etc. kuli pakati pa 2 ~ 4.5 KG/MT, guluu wa matailosi ndi pakati pa 3.5 ~ 4 KG/MT, ndi kuchuluka kwa matailosi grout ndi 0.3 ~ 1 KG/MT molingana ndi njira zosiyanasiyana zomangira, kusiyana kwapakati ndi slurry fineness, matope odzipangira okha ali pakati pa 0.2 ~ 0.6 KG/MT, ndi ETICS ndi pakati pa 4 ~ 7 KG/MT.Mkati mwamtunduwu, HPMC ikawonjezeredwa, kusunga madzi kumakhala bwinoko.
2.Zotsatira za chilengedwe chomanga.Chinyezi cha mpweya, kutentha, kuthamanga kwa mphepo, kuthamanga kwa mphepo ndi zinthu zina zidzakhudza kusungunuka kwa madzi mumatope a simenti ndi zinthu zopangidwa ndi gypsum.Mu nyengo zosiyanasiyana ndi madera osiyanasiyana, kuchuluka kwa madzi osungira madzi a chinthu chomwecho kumasiyana, koma kawirikawiri, Kutentha kumakhudza kwambiri kuchuluka kwa madzi osungira madzi, kotero pali malingaliro pamsika: HPMC yokhala ndi kutentha kwa gel osakaniza ndipamwamba kwambiri. -mankhwala apamwamba okhala ndi kuchuluka kwamadzi osungira.
3.Kupanga ndi kukhuthala kwa cellulose ether -HPMC.Magulu a methoxy ndi hydroxypropoxy amagawidwa mofanana pamtundu wa cellulose molekyulu, zomwe zingapangitse kuyanjana kwa maatomu a okosijeni pa hydroxyl ndi ether bond ndi madzi.Kuthekera kwa kugwirizana kwa haidrojeni kumapangitsa madzi aulere kukhala madzi omangika, potero amawongolera bwino kutuluka kwa madzi ndikusunga madzi ambiri.
Pamene mamasukidwe akayendedwe a HPMC akuwonjezeka, kuchuluka kwa madzi osungirako kumawonjezekanso, kukhuthala kumafika pamlingo wina, kuchuluka kwa kusunga madzi kumawonjezeka.Zimakonda kukhala zathyathyathya.Chidule chachidule.Ntchito yosungira madzi ya HPMC imakhudzidwa ndi mbali zonse.Kusankha sikungakhazikitsidwe pa chizindikiro chimodzi.
Nthawi yotumiza: May-16-2022