Chifukwa cha zinthu monga kutentha kwa mpweya, chinyezi, kuthamanga kwa mphepo, ndi liwiro la mphepo, kusungunuka kwa chinyezi mu zinthu zopangidwa ndi gypsum kudzakhudzidwa.
Chifukwa chake, ngakhale zili mu matope a gypsum, caulk, pulley, kapena gypsum-zochokera kumadzi, hydroxypropyl, hydroxypropyl, hydroxypropyl, hydroxypropyl, hydroxypropyl, hydroxypropyl methylcellulose ether ether (HPMC) yofunika.
Kusunga kwamadzi kwa baoshhuixinghc
Zabwino kwambiri hydroxpyl methylcellulose (hpmc) amatha kuthana ndi vuto la madzi osungidwa kutentha kwambiri.
Magulu ake a methoxy ndi hydroxyprovoy amagawidwa mogwirizana ndi ma atomu a cellulose, omwe amatha kukonza ma atomu a oxygen ndi ma everrogen kuti apange zomangira za hydrogen, pokonza madzi madzi oyambitsidwa ndi kutentha kwambiri kuti mukwaniritse madzi ambiri.
Kugwirizana kwa ShigongxingMPMC
Zogulitsa za Etherse yolondola zimatha kulowetsedwa mwachangu muzogulitsa zosiyanasiyana gypsum popanda kuphatikizika, ndipo alibe zovuta pa chisamaliro cha gypsum, ndikuwonetsetsa kuti kupuma kwa gypsum.
Ili ndi zotsatira zina zobwezeretsera koma sizikhudza kukula kwa makhiristo a gypsum; Imawonetsetsa kuti luso la zinthuzo pansi ndi chotsatsa chonyowa choyenera, zimathandiza kwambiri ntchito zomangamanga za zinthu zama gypsum, ndipo ndizosavuta kufalikira popanda zida zomata.
Thuma la Runhuaxinghpmc
Hydroxypropyl ya methylcellulose imatha kukhala yofananira ndi mankhwala osokoneza bongo a simenti ndi gypsum, ndikukulunga tinthu tating'onoting'ono, ndikupanga filimu yonyowa, ndipo chinyontho chimasungunuka pang'onopang'ono kwa nthawi yayitali. Kumasulidwa, ndikumachita mankhwala othandizana ndi zida zophatikizira, potero kuwonetsetsa kuti pali mphamvu yolumikizirana ndi kulimbikitsa mphamvu za nkhaniyi.
Hpmc
Index
Zinthu | Wofanana | Malipiro |
Kunja | Ufa woyera | Ufa woyera |
kunyowa | ≤5.0 | 4.4% |
mtengo wamtengo | 5.0-10.0 | 8.9 |
Kuwerenga | ≥95% | 98% |
mafayilo onyowa | 60000-80000 | 76000 MPA.S |
Ubwino wa Zinthu
Kumanga kosavuta komanso kosalala
SURT-SURPUP yopanda matope osintha matope a gypsum
Ayi kapena kuwonjezera pang'ono kwa ether ether ndi othandizira ena a thixotropic
Thixotropy, kukana kwabwino
Kusungidwa kwa madzi
Gawo Lofunsira Ntchito
Gypsum plaster matope
Gypsum yolumikizidwa matope
Makina opopera pulasitala
koulk
Post Nthawi: Jan-19-2023