Ma muli o nā kumu e like me ka mahana o ka ea, ka makū, ke kaomi makani, a me ka wikiwiki o ka makani, e hoʻopilikia ʻia ka nui o ka volatilization o ka makū i loko o nā huahana gypsum.
No laila, inā paha i loko o ka gypsum-based leveling mortar, caulk, putty, a i ʻole gypsum-based self-leveling, he kuleana koʻikoʻi ko ka hydroxypropyl methylcellulose ether (HPMC).
Ka paʻa ʻana o ka wai o BAOSHUIXINGHPMC
Hiki i ka hydroxypropyl methylcellulose (HPMC) maikaʻi loa ke hoʻoponopono pono i ka pilikia o ka paʻa ʻana o ka wai ma lalo o ke ana wela kiʻekiʻe.
Hoʻolaha like ʻia kāna mau hui methoxy a me hydroxypropoxy ma ke kaulahao molekala cellulose, hiki ke hoʻomaikaʻi i ka hiki o nā ʻātoma oxygen ma nā pilina hydroxyl a me ether e hui pū me ka wai e hana i nā pilina hydrogen, e hoʻolilo ana i ka wai manuahi i wai paʻa, a laila e kāohi pono i ka mahu o ka wai i hoʻokumu ʻia e ke aniau wela kiʻekiʻe e hoʻokō ai i ka paʻa wai kiʻekiʻe.
Ka hiki ke kūkulu ʻia o SHIGONGXINGHPMC
Hiki i nā huahana cellulose ether i koho pono ʻia ke komo koke i loko o nā huahana gypsum like ʻole me ka ʻole o ka hoʻopili ʻana, a ʻaʻohe hopena maikaʻi ʻole i ka porosity o nā huahana gypsum i hoʻōla ʻia, no laila e hōʻoiaʻiʻo ana i ka hana hanu o nā huahana gypsum.
Loaʻa iā ia kahi hopena hoʻopaneʻe akā ʻaʻole ia e hoʻopilikia i ka ulu ʻana o nā kristal gypsum; hōʻoiaʻiʻo ia i ka hiki ke hoʻopaʻa ʻia o ka mea i ka ʻili kumu me ka hoʻopili pulu kūpono, hoʻomaikaʻi nui i ka hana kūkulu ʻana o nā huahana gypsum, a maʻalahi hoʻi e hohola me ka ʻole o nā mea hana e hoʻopili ai.
Ka Lubrication o RUNHUAXINGHPMC
Hiki ke hoʻopuehu like ʻia ka hydroxypropyl methylcellulose kiʻekiʻe a me ka maikaʻi i loko o ka sima sima a me nā huahana gypsum, a kāʻei i nā ʻāpana paʻa a pau, a hana i kahi ʻili pulu, a e hoʻoheheʻe mālie ka makū i loko o ke kumu i kahi manawa lōʻihi. e hoʻokuʻu, a hana i ka hopena hydration me nā mea gelling inorganic, no laila e hōʻoiaʻiʻo ana i ka ikaika hoʻopaʻa a me ka ikaika compressive o ka mea.
HPMC
Papa Kuhikuhi Huahana
| Nā Mea | Kūlana Maʻamau | Hopena |
| Waho | Pauka keʻokeʻo | Pauka keʻokeʻo |
| makū | ≤5.0 | 4.4% |
| waiwai pH | 5.0-10.0 | 8.9 |
| Ka helu nānā ʻana | ≥95% | 98% |
| mānoanoa pulu | 60000-80000 | 76000 mPa.s |
Nā pono huahana
Kūkulu maʻalahi a laumania
ʻO ka scraper non-stick e hoʻomaikaʻi i ka microstructure o ka gypsum mortar
ʻAʻohe a i ʻole ka hoʻohui iki ʻana o ka starch ether a me nā mea thixotropic ʻē aʻe
ʻO Thixotropy, ke kū'ē maikaʻi ʻana i ke kaumaha
Paʻa wai maikaʻi
Kahua noi i manaʻo ʻia
ʻO ka palaki gypsum
ʻO ka palaki i hoʻopaʻa ʻia ʻo Gypsum
Pāpale i pīpī ʻia e ka mīkini
kāpili
Ka manawa hoʻouna: Ian-19-2023