ʻEtera Cellulose- Mānoanoa a me ka Thixotropy
ʻEtera celluloseHāʻawi i ka mortar pulu me ka viscosity maikaʻi loa, hiki ke hoʻonui nui i ka hoʻopili ʻana ma waena o ka mortar pulu a me ka papa kumu, hoʻomaikaʻi i ka hana anti-flow o ka mortar, a hoʻohana nui ʻia i ka mortar plastering, ka mortar bonding tile ceramic, a me ka ʻōnaehana insulation paia waho. Hiki i ka hopena mānoanoa o ka cellulose ether ke hoʻonui i ka hiki ke anti-dispersion a me ke ʻano like o nā mea hou, a pale i ka stratification mea, ka hoʻokaʻawale ʻana, a me ka seepage. Hiki ke hoʻohana ʻia no ka sima i hoʻoikaika ʻia i ka fiber, ka sima ma lalo o ka wai, a me ka sima hoʻopaʻa ponoʻī.
ʻO ka hopena mānoanoa oʻEtera cellulosema nā mea i hoʻokumu ʻia i ka sima mai ka viscosity o ka cellulose ether solution. Ma lalo o nā kūlana like, ʻoi aku ke kiʻekiʻe o ka viscosity oʻEtera cellulose, ʻoi aku ka maikaʻi o ka viscosity o nā mea sima i hoʻololi ʻia. Eia nō naʻe, inā kiʻekiʻe loa ka viscosity, e hoʻopilikia ia i ke kahe a me ka hana o ka mea (e like me nā pahi plastering). ʻO ka mortar leveling ponoʻī, ka sima compacting ponoʻī, a me nā mea ʻē aʻe e koi ana i ka wai kiʻekiʻe, a he haʻahaʻa loa ka viscosity o ka cellulose ether. Eia kekahi, ʻo ka hopena mānoanoa o ka cellulose ether e hoʻonui pū i ka koi wai o ka substrate sima a hoʻonui i ka hana ʻana o ka mortar.
ʻO ka hopena wai o ka cellulose ether viscosity kiʻekiʻe he thixotropy kiʻekiʻe, ʻo ia hoʻi kahi ʻano o ka cellulose ether. ʻO ka hopena wai o ka methyl cellulose he mau waiwai kahe pseudoplastic a me non thixotropic haʻahaʻa ma mua o kona mahana gel, akā hōʻike i ke kahe Newtonian ma ka wikiwiki shear haʻahaʻa. Me ka nānā ʻole i ke ʻano a me ke kekelē o ka pani ʻana o nā substituents, piʻi ka pseudoplasticity me ka piʻi ʻana o ke kaumaha molekala a i ʻole ka nui o ka cellulose ether. No laila, inā mau ka nui a me ka mahana, ʻo nā cellulose ethers me ka papa viscosity like (me ka nānā ʻole i ka MC,HPMC, HEMC) hōʻike mau i nā waiwai rheological like. Ke piʻi ka mahana, hana ʻia ka gel structural a loaʻa ke kahe thixotropic kiʻekiʻe.
ʻEtera celluloseUa haʻi aku nā mea hana iā ʻoe he thixotropy ka cellulose ether me ke kiʻekiʻe o ka noʻonoʻo a me ka viscosity haʻahaʻa ma lalo o ka mahana gel. He mea maikaʻi loa kēia waiwai no ke kūkulu ʻana i ka mortar e hoʻoponopono i kona pae a me ka sagging. Pono e hoʻomaopopo ʻia ʻo ke kiʻekiʻe o ka viscosity oʻEtera cellulose, ʻoi aku ka maikaʻi o kona paʻa ʻana i ka wai. Eia nō naʻe, ʻo ke kiʻekiʻe o ka viscosity, ʻoi aku ke kiʻekiʻe o ke kaumaha molekala pili o ka cellulose ether, a me ka emi ʻana o kona solubility. He hopena maikaʻi ʻole ia i ka noʻonoʻo a me ka hiki ke hana ʻia o ka mortar.
ʻEtera Cellulose- Hoʻopaneʻe ʻia
ʻEtera cellulosehiki ke hoʻolōʻihi i ka manawa hoʻonohonoho o ka slurry sima a i ʻole ka mortar, hoʻopaneʻe i ke kinetics hydration o ka sima, a hoʻomaikaʻi i ke ola lawelawe o nā mea hou, a laila e hoʻomaikaʻi ana i ke kūlike o ka slump ma waena o ka mortar a me ka sima. ʻO ke kekelē o ka pohō i ka hala ʻana o ka manawa, akā hiki nō hoʻi ke hoʻopaneʻe i ka holomua o ke kūkulu ʻana.
Ka manawa hoʻouna: ʻAukake-25-2023