1. ʻO ka mortar i kāwili ʻia me ka pulu: ʻo ka mortar i kāwili ʻia he ʻano sima, ka ʻāpana maikaʻi, ka hui ʻana a me ka wai, a e like me nā waiwai o nā ʻāpana like ʻole, e like me kahi lakio, ma hope o ke ana ʻia ʻana ma ke kahua hui ʻana, hui ʻia, lawe ʻia i kahi e hoʻohana ʻia ai ke kalaka, a hoʻokomo ʻia i loko o kahi mālama kūikawā i ka ipu a hoʻohana i ka hui pulu i hoʻopau ʻia no ka manawa i kuhikuhi ʻia.
2. Hoʻohana ʻia ka Hydroxypropyl methyl cellulose ma ke ʻano he mea hoʻopaʻa wai no ka sima sima a me ka mea hoʻopaneʻe no ka hoʻopuehu ʻana i ka mortar. I ke ʻano o ka gypsum ma ke ʻano he mea hoʻopaʻa e hoʻomaikaʻi i ka noi a hoʻolōʻihi i ka manawa hana, ʻo ka paʻa ʻana o ka wai o HPMC e pale aku i ka slurry mai ka haki koke ʻana ma hope o ka maloʻo ʻana, a hoʻomaikaʻi i ka ikaika ma hope o ka paʻakikī ʻana. ʻO ka paʻa ʻana o ka wai kahi waiwai koʻikoʻi o ka hydroxypropyl methyl cellulose HPMC, a he mea hopohopo nō hoʻi ia no nā mea hana mortar pulu-hui he nui. ʻO nā mea e pili ana i ka hopena paʻa wai o ka mortar pulu-hui e komo pū me ka nui o ka HPMC i hoʻohui ʻia, ka viscosity o HPMC, ka maikaʻi o nā ʻāpana a me ka mahana o ke kaiapuni hoʻohana.
3. Nā hana nui o ka hydroxypropyl methyl celluloseHPMCʻO ka paʻa ʻana o ka wai i loko o ka mortar pulu e komo pū ana me ʻekolu mau ʻano nui, ʻo kekahi ka maikaʻi o ka paʻa ʻana i ka wai, ʻo kekahi ka hopena i ke kūlike a me ka thixotropy o ka mortar pulu, a ʻo ke kolu ka launa pū ʻana me ka sima. ʻO ka paʻa ʻana o ka wai o ka cellulose ether e pili ana i ka nui o ka omo wai o ke kumu, ka haku mele ʻana o ka mortar, ka mānoanoa o ka papa mortar, ke koi wai o ka mortar, a me ka manawa hoʻonohonoho. ʻO ke kiʻekiʻe o ka transparency o ka hydroxypropyl methyl cellulose, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai.
4. ʻO nā mea e pili ana i ka paʻa ʻana o ka wai o ka mortar i kāwili ʻia me ka pulu, ʻo ia ka viscosity cellulose ether, ka nui o ka hoʻohui ʻana, ka nui o ka ʻāpana a me ka mahana. ʻO ka nui o ka viscosity o ka cellulose ether, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai. ʻO ka viscosity kahi mea nui o ka hana HPMC. No ka huahana like, ʻokoʻa loa nā hopena o ka hoʻohana ʻana i nā ʻano hana like ʻole e ana i ka viscosity, a he lua pālua kekahi. No laila, pono e hoʻokō ʻia ka hoʻohālikelike ʻana o ka viscosity ma ke ʻano hoʻāʻo like, me ka mahana, ka spindle, a pēlā aku.
5. Ma ke ʻano laulā, ʻo ke kiʻekiʻe o ka viscosity, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai. Eia nō naʻe, ʻo ke kiʻekiʻe o ka viscosity, ʻoi aku ke kiʻekiʻe o ke kaumaha molekala o HPMC a ʻoi aku ka haʻahaʻa o ka solubility o HPMC, kahi hopena maikaʻi ʻole i ka ikaika a me ka hana kūkulu o ka mortar. ʻO ke kiʻekiʻe o ka viscosity, ʻoi aku ka maopopo o ka hopena mānoanoa o ka mortar, akā ʻaʻole pili pololei. ʻO ke kiʻekiʻe o ka viscosity, ʻoi aku ka viscous o ka mortar pulu, ʻoi aku ka maikaʻi o ka hana kūkulu, ka hana o ka viscous scraper a ʻoi aku ke kiʻekiʻe o ka hoʻopili ʻana i ka substrate. Eia naʻe, ʻaʻole kōkua ka hoʻonui ʻia o ka ikaika kūkulu o ka mortar pulu ponoʻī. ʻAʻohe hana anti-sag maopopo o nā kūkulu ʻelua. I ka hoʻohālikelike ʻana, ʻo kekahi viscosity waena a me ka haʻahaʻa akā ua hoʻololi ʻia ka hydroxypropyl methyl cellulose he hana maikaʻi loa i ka hoʻomaikaʻi ʻana i ka ikaika kūkulu o ka mortar pulu.
6. ʻO ka nui o ka nui o ka cellulose ether i hoʻohui ʻia i ka mortar pulu HPMC, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai, a ʻo ke kiʻekiʻe o ka viscosity, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai. ʻO ka fineness kekahi helu hana koʻikoʻi o ka hydroxypropyl methyl cellulose.
7. Loaʻa i ka maikaʻi o ka hydroxypropyl methyl cellulose kahi hopena i kona paʻa ʻana i ka wai. Ma keʻano laulā, no ka hydroxypropyl methyl cellulose me ka viscosity like a me ka fineness ʻokoʻa, ʻo ka liʻiliʻi o ka fineness, ʻo ka liʻiliʻi o ka hopena paʻa wai ma lalo o ka nui hoʻohui like. ʻoi aku ka maikaʻi.
8. I loko o ka mortar pulu-hui, he haʻahaʻa loa ka nui o ka cellulose ether HPMC, akā hiki iā ia ke hoʻomaikaʻi nui i ka hana kūkulu o ka mortar pulu, a ʻo ia ka mea hoʻohui nui e hoʻopilikia nui i ka hana o ka mortar. ʻO ke koho kūpono o ka hydroxypropyl methyl cellulose, ua hoʻopilikia nui ʻia ka hana o ka mortar pulu.
Ka manawa hoʻouna: ʻApelila-28-2024