Chifukwa cha zinthu monga kutentha kwa mpweya, chinyezi, kuthamanga kwa mphepo, ndi liwiro la mphepo, kuchuluka kwa chinyezi chomwe chimapangidwa ndi gypsum kudzakhudzidwa.
Kaya ndi mu gypsum-based leveling mortar, caulk, putty, kapena gypsum-based self-leveling, hydroxypropyl methylcellulose ether (HPMC) imagwira ntchito yofunika kwambiri.
Kusunga madzi kwa BAOSHUIXINGHPMC
Hydroxypropyl methylcellulose (HPMC) yabwino kwambiri imatha kuthetsa vuto la kusunga madzi pansi pa kutentha kwambiri.
Magulu ake a methoxy ndi hydroxypropoxy amagawidwa mofanana mu unyolo wa maselo a cellulose, zomwe zingathandize kuti maatomu a okosijeni omwe ali pa ma hydroxyl ndi ether azitha kugwirizana ndi madzi kuti apange ma hydrogen bond, zomwe zimapangitsa kuti madzi azikhala m'madzi omangika, motero amawongolera bwino kutuluka kwa madzi chifukwa cha kutentha kwambiri kuti asunge madzi ambiri.
Kumanga bwino kwa SHIGONGXINGHPMC
Zinthu zopangidwa ndi cellulose ether zomwe zasankhidwa bwino zimatha kulowa mwachangu muzinthu zosiyanasiyana za gypsum popanda kusonkhana, ndipo sizikhudza kwambiri ming'alu ya zinthu zopangidwa ndi gypsum zokonzedwa bwino, motero kuonetsetsa kuti zinthu zopangidwa ndi gypsum zikugwira ntchito bwino.
Ili ndi mphamvu yochedwetsa koma siikhudza kukula kwa makhiristo a gypsum; imaonetsetsa kuti zinthuzo zigwirizane ndi pansi pake ndi kunyowa koyenera, imakulitsa kwambiri magwiridwe antchito a kapangidwe ka zinthu za gypsum, ndipo ndi yosavuta kufalikira popanda zida zomatira.
Kukhuthala kwa RUNHUAXINGHPMC
Hydroxypropyl methylcellulose yapamwamba kwambiri imatha kufalikira mofanana komanso moyenera mu simenti ndi zinthu zopangidwa ndi gypsum, ndikukulunga tinthu tonse tolimba, ndikupanga filimu yonyowetsa, ndipo chinyezi chomwe chili pansi pake chidzasungunuka pang'onopang'ono kwa nthawi yayitali. Chimatulutsa, ndikudutsa mu hydration reaction ndi zinthu zopanda organic gelling, potero kuonetsetsa kuti zinthuzo zimakhala zolimba komanso zolimba.
HPMC
Mndandanda wa Zamalonda
| Zinthu | Muyezo | Zotsatira |
| Kunja | Ufa woyera | Ufa woyera |
| chinyezi | ≤5.0 | 4.4% |
| pH mtengo | 5.0-10.0 | 8.9 |
| Chiwerengero cha mayeso | ≥95% | 98% |
| kukhuthala konyowa | 60000-80000 | 76000 mPa.s |
Ubwino wa malonda
Kapangidwe kosavuta komanso kosalala
Chotsukira chosamata kuti chiwongolere kapangidwe kake ka matope a gypsum
Palibe kapena pang'ono kuwonjezera starch ether ndi zinthu zina za thixotropic
Thixotropy, kukana bwino kutsika kwa nthaka
Kusunga madzi bwino
Gawo lofunsira lomwe likulangizidwa
Chomangira cha pulasitiki cha gypsum
Mtondo Wolumikizidwa ndi Gypsum
Pulasitiki yopopera ndi makina
chofufutira
Nthawi yotumizira: Januwale-19-2023