ʻO ka cellulose ether i loko o ka paʻakai hui ʻia

ʻO ka hana koʻikoʻi o ka cellulose ether i loko o ka mortar i hoʻohui ʻia:

I loko o ka mortar mākaukau, ʻo ka cellulose ether i hoʻohui ʻia he haʻahaʻa loa, akā hiki ke hoʻomaikaʻi maikaʻi i ka hana o ka mortar pulu, ʻo ka hana ʻana o ka mortar kahi mea hoʻohui nui. ʻO ke koho kūpono o nā ʻano like ʻole, ʻokoʻa viscosity, ʻokoʻa ka nui o nā ʻāpana, ʻokoʻa viscosity degere a me ka hoʻohui ʻana i ka nui o ka cellulose ether

I loko o ka mortar mākaukau, ʻo ka cellulose ether i hoʻohui ʻia he haʻahaʻa loa, akā hiki ke hoʻomaikaʻi maikaʻi i ka hana o ka mortar pulu, ʻo ka hana ʻana o ka mortar kahi mea hoʻohui nui. ʻO ke koho kūpono o ka cellulose ether me nā ʻano like ʻole, ʻokoʻa viscosity, ʻokoʻa ka nui o nā ʻāpana, ʻokoʻa viscosity degere a me ka nui hoʻohui i ka hopena maikaʻi i ka hoʻomaikaʻi ʻana i nā waiwai mortar maloʻo. I kēia manawa, nui ʻole ka hana ʻana o ka mālama ʻana i ka wai i ka nui o nā masonry a me ka plastering morta, a e hoʻokaʻawale ʻia ka slurry wai ma hope o kekahi mau minuke o ke kū ʻana.

ʻO ka mālama ʻana i ka wai he hana koʻikoʻi o ka methyl cellulose ether, akā he nui nō hoʻi nā mea hana mortar maloʻo maloʻo, ʻoi aku ma ka ʻāpana hema o nā mea hana wela kiʻekiʻe e pili ana i ka hana. ʻO nā mea e pili ana i ka hopena paʻa wai o ka mortar maloʻo, ʻo ia ka nui o ka MC, MC viscosity, particle fineness and ambient temperature.

ʻO ka cellulose ether kahi polymer synthetic i hana ʻia me ka cellulose kūlohelohe e like me ka mea maka e ka hoʻololi kemika. ʻO ka cellulose ether kahi mea i loaʻa i ka cellulose maoli, cellulose ether production a me ka polymer synthetic he ʻokoʻa, ʻo kāna mea kumu nui he cellulose, nā pūhui polymer maoli. Ma muli o ke ʻano o ke ʻano o ka cellulose kūlohelohe, ʻaʻohe hiki i ka cellulose ke hana me ka etherifying agent. Eia nō naʻe, ma hope o ka mālama ʻana i ka mea pehu, ua luku ʻia nā paʻa hydrogen ikaika ma waena o nā kaulahao mole a i loko o ke kaulahao, a ua hoʻokuʻu ʻia ka hana o ka hui hydroxyl i loko o ka cellulose alkali me ka hiki ke pane, a ua loaʻa ka cellulose ether ma o ka hopena o ETHERifying agent - ʻO ka pūʻulu OH i loko o ka pūʻulu -OR.

ʻO nā waiwai o ka cellulose ethers e pili ana i ke ʻano, ka helu a me ka hāʻawi ʻana i nā mea pani. Hoʻokumu pū ʻia ka hoʻokaʻawale ʻana o ka cellulose ether ma ke ʻano o nā substituents, degere o ka etherification, solubility a me nā noi pili e hiki ke hoʻokaʻawale ʻia. E like me ke ʻano o nā mea pani ma ke kaulahao mole, hiki ke hoʻokaʻawale ʻia i ka ether hoʻokahi a me ka ether hui. Hoʻohana mau ʻia ʻo MC ma ke ʻano he ether hoʻokahi, ʻoiai ʻo HPMC he ether hui. ʻO ka Methyl cellulose ether MC he ʻāpana glucose cellulose maoli ma ka hydroxyl methoxide i hoʻololi ʻia e ke kumu hoʻolālā huahana ʻo [COH7O2 (OH) 3-H (OCH3) H] X, hydroxypropyl methyl cellulose ether HPMC he ʻāpana ma ka ʻāpana hydroxyl o ka methoxide i pani ʻia e ka hydroxypropyl, ua hoʻololi ʻia kekahi ʻāpana o ka huahana e ka hydroxypropyl, ʻO ke kumu hoʻohālike ʻo [C6H7O2 (OH) 3-MN (OCH3) M [OCH2CH (OH) CH3] N] X a me ka hydroxyethyl methyl cellulose ether HEMC, ʻo ia hoʻi. hoʻohana nui ʻia a kūʻai ʻia ma ka mākeke.

Mai ka solubility hiki ke puunaue i ka ionic type a me ka ole-ionic type. ʻO ka wai-soluble non-ionic cellulose ether ka mea nui o ka alkyl ether a me ka hydroxyl alkyl ether ʻelua mau ʻano ʻano. Hoʻohana nui ʻia ʻo Ionic CMC i ka detergent synthetic, textile, paʻi, meaʻai a me ka hoʻohana ʻana i ka aila. Non-ionic MC, HPMC, HEMC a me nā mea ʻē aʻe i hoʻohana nui ʻia i nā mea kūkulu hale, nā uhi latex, lāʻau lapaʻau, kemika o kēlā me kēia lā a me nā mea ʻē aʻe. E like me ka mea mānoanoa, ka mea mālama wai, stabilizer, dispersant, film forming agent.

ʻO ka mālama ʻana i ka wai cellulose ether: i ka hana ʻana i nā mea kūkulu hale, ʻoi aku ka nui o ka mortar maloʻo, ʻo ka cellulose ether ka hana i hiki ʻole ke hoʻololi ʻia, ʻoi aku hoʻi i ka hana ʻana i ka mortar kūikawā (modified mortar), akā he ʻāpana pono ʻole. ʻO ka hana koʻikoʻi o ka wai-soluble cellulose ether i loko o ka mortar he ʻekolu mau ʻano, ʻo ka mea maikaʻi loa ka mālama ʻana i ka wai, ʻo ka lua ka mana o ka paʻa ʻana o ka mortar a me ka thixotropy, a ʻo ke kolu ka pilina me ka sima. ʻO ka paʻa ʻana o ka wai cellulose eter, hilinaʻi ma ke kumu o ka hydroscopicity, ka haku ʻana o ka mortar, ka mānoanoa o ka mortar, ka koi wai momi, condensation material condensation time. ʻO ka paʻa ʻana o ka wai o cellulose ether mai ka solubility a me ka dehydration o cellulose ether ponoʻī. Ua ʻike maopopo ʻia ʻo nā kaulahao molekula cellulose, ʻoiai aia ka nui o nā pūʻulu OH hydrated kiʻekiʻe, ʻaʻole hiki ke hoʻoheheʻe ʻia i ka wai ma muli o ko lākou ʻano crystalline nui. ʻAʻole lawa ka hiki ke hoʻomaʻemaʻe ʻia o nā pūʻulu hydroxyl wale nō e uku no nā paʻa hydrogen intermolecular ikaika a me nā pūʻali van der Waals. Ke hoʻokomo ʻia nā mea pani i loko o ke kaulahao molekula, ʻaʻole nā ​​mea pani wale nō e hoʻopau i ke kaulahao hydrogen, akā naʻe hoʻi nā mea hoʻopaʻa hydrogen interchain ma muli o ka wili ʻana o nā mea pani ma waena o nā kaulahao pili. ʻO ka nui o nā mea pani, ʻoi aku ka nui o ka mamao ma waena o nā molekala. ʻOi aku ka nui o ka luku ʻana i ka hopena hydrogen bond, cellulose lattice hoʻonui, ʻo ka hopena i loko o ka cellulose ether e lilo i ka wai-soluble, ka hoʻokumu ʻana o ka hopena viscosity kiʻekiʻe. Ke piʻi aʻe ka mahana, emi ka hydration o ka polymer a kipaku ʻia ka wai ma waena o nā kaulahao. I ka lawa ʻana o ka hopena dehydrating, hoʻomaka nā molekala e hōʻuluʻulu a paʻi ka gel i loko o kahi pūnaewele ʻekolu.

ʻO nā mea e pili ana i ka paʻa ʻana o ka wai o ka mortar, ʻo ia ka cellulose ether viscosity, dosage, particle fineness a me ka mahana lawelawe.

ʻOi aku ka nui o ka viscosity o cellulose ether, ʻoi aku ka maikaʻi o ka hana paʻa wai. ʻO ka viscosity kahi mea koʻikoʻi o ka hana MC. I kēia manawa, hoʻohana nā mea hana MC ʻokoʻa i nā ʻano a me nā mea hana like ʻole e ana i ka viscosity o MC. ʻO nā ala nui ʻo Haake Rotovisko, Hoppler, Ubbelohde a me Brookfield. No ka huahana like, ʻokoʻa loa nā hopena o ka viscosity i ana ʻia e nā ʻano like ʻole, ʻokoʻa kekahi. No laila, i ka hoʻohālikelike ʻana i ka viscosity, pono e hana ʻia ma waena o ke ʻano hoʻāʻo like, me ka mahana, rotor, etc.

ʻO ka ʻōlelo maʻamau, ʻoi aku ka kiʻekiʻe o ka viscosity, ʻoi aku ka maikaʻi o ka hopena paʻa wai. Eia nō naʻe, ʻoi aku ka kiʻekiʻe o ka viscosity, ʻoi aku ka kiʻekiʻe o ke kaumaha o ka molekala o MC, a e emi ana ka hana dissolution e like me ia, kahi hopena maikaʻi ʻole i ka ikaika a me ke kūkulu ʻana i ka mortar. ʻO ke kiʻekiʻe o ka viscosity, ʻoi aku ka maopopo o ka hopena mānoanoa o ka mortar, akā ʻaʻole like ia me ka pilina. ʻO ke kiʻekiʻe o ka viscosity, e ʻoi aku ka paʻa o ka mortar pulu, ke kūkulu ʻia ʻana, ka hana o ka scraper sticky a me ka hoʻopili kiʻekiʻe i ka mea kumu. Akā ʻaʻole kōkua ka hoʻonui ʻana i ka ikaika o ke kūkulu ʻana o ka mortar pulu. I ka wā o ke kūkulu ʻana, ʻaʻole maopopo ka hana anti-sag. ʻO ka mea ʻē aʻe, ʻoi aku ka maikaʻi o ka hana ʻana o kekahi viscosity haʻahaʻa akā hoʻololi ʻia ka methyl cellulose ethers i ka hoʻomaikaʻi ʻana i ka ikaika o ke kūkulu ʻana o ka mortar pulu.

ʻOi aku ka nui o ka cellulose ether i hoʻohui ʻia i ka mortar, ʻoi aku ka maikaʻi o ka mālama ʻana i ka wai, ʻoi aku ka kiʻekiʻe o ka viscosity, ʻoi aku ka maikaʻi o ka mālama ʻana i ka wai.

No ka nui o ka ʻāpana, ʻoi aku ka maikaʻi o ka ʻāpana, ʻoi aku ka maikaʻi o ka mālama ʻana i ka wai. ʻO nā ʻāpana nui o ka cellulose ether e hoʻopili me ka wai, e hoʻoheheʻe koke ka ʻili a hana i kahi gel e uhi ai i ka mea e pale ai i nā molekele wai mai ka hoʻomau ʻana i ke komo ʻana, i kekahi manawa lōʻihi ka hoʻoulu ʻana ʻaʻole hiki ke hoʻoheheʻe ʻia, ke kūkulu ʻia ʻana o kahi hopena flocculent lepo a i ʻole. hōʻuluʻulu. ʻO ka solubility o cellulose ether kekahi o nā kumu e koho ai i ka cellulose ether. ʻO ka Fineness kekahi mea koʻikoʻi o ka methyl cellulose ether. Pono ka MC no ka mortar maloʻo i ka pauka, ka wai haʻahaʻa, a me ka maikaʻi o 20% ~ 60% ka nui o ka nui ma lalo o 63um. Pili ka fineness i ka solubility o ka methyl cellulose ether. He mea maʻamau ka MC Coarse a hiki ke hoʻoheheʻe maʻalahi i ka wai me ka ʻole o ka agglomerating, akā lohi loa ka wikiwiki o ka hemo ʻana, no laila ʻaʻole kūpono ia no ka hoʻohana ʻana i ka mortar maloʻo. I loko o ka pahū maloʻo, ua hoʻopuehu ʻia ka MC ma waena o ka hui, nā mea hoʻopihapiha maikaʻi a me nā mea hoʻomaʻemaʻe e like me ka sima, a ʻo ka pauka maikaʻi wale nō ka mea hiki ke pale i ka clumping o ka methyl cellulose ether i ka hui ʻana me ka wai. Ke hoʻohui ʻo MC i ka wai e hoʻoheheʻe i ka agglomerate, paʻakikī loa ka hoʻopuehu a hoʻoheheʻe ʻia. ʻO MC me ka fineness coarse ʻaʻole wale nā ​​ʻōpala, akā hoʻemi pū i ka ikaika kūloko o ka mortar. Ke kūkulu ʻia kēlā momi maloʻo ma kahi ākea, e hoʻemi nui ʻia ka wikiwiki o ka hoʻōla ʻana o ka mortar maloʻo kūloko, e hopena i ka haki ʻana ma muli o ka manawa hoʻōla ʻokoʻa. No ka mīkini hoʻoheheʻe mīkini, no ka manawa pōkole o ka hui ʻana, ʻoi aku ka maikaʻi.

Loaʻa i ka maikaʻi o MC kekahi mana i kona paʻa wai. ʻO ka ʻōlelo maʻamau, no ka methyl cellulose ether me ka like viscosity akā ʻokoʻa ka fineness, ʻoi aku ka maikaʻi o ka hopena paʻa wai ma lalo o ka nui o ka hoʻohui.

ʻO ka paʻa ʻana o ka wai o MC e pili pū ana me ka mahana i hoʻohana ʻia, a ke emi nei ka paʻa wai o ka methyl cellulose ether me ka piʻi ʻana o ka mahana. Akā i ka palapala noi maoli, nui nā kaiapuni o ka mortar maloʻo pinepine i ke kiʻekiʻe kiʻekiʻe (ʻoi aku ma mua o 40 degere) ma lalo o ke ʻano o ke kūkulu ʻana i ka substrate wela, e like me ke kauwela insolation o ka pā waho putty plastering, ka mea i wikiwiki i ka paʻa ʻana o ka lepo. ʻo ka paʻakikī sima a me ka hamo maloʻo. ʻO ka emi ʻana o ka nui o ka paʻa ʻana o ka wai e alakaʻi i ka manaʻo maopopo e pili ana i ka hiki ke kūkulu ʻia a me ke kūpaʻa ʻana. Ma kēia kūlana, lilo ka ho'ēmiʻana i ka mana o nā mea wela. ʻOiai ua manaʻo ʻia ka mea hoʻohui o ka methyl hydroxyethyl cellulose ether i ke poʻo o ka hoʻomohala ʻenehana, ʻo kona hilinaʻi ʻana i ka mahana e alakaʻi mau i ka nāwaliwali o nā waiwai o ka mortar maloʻo. ʻOiai me ka piʻi ʻana o ka methyl hydroxyethyl cellulose dosage (kauwela kumu), ʻaʻole hiki ke hoʻokō i ke kūkulu ʻana a me ka pale ʻana i nā pono o ka hoʻohana. Ma o kekahi hana kūikawā o MC, e like me ka hoʻonui ʻana i ke kiʻekiʻe o ka etherification, hiki i ka hopena paʻa wai o MC ke mālama i kahi hopena maikaʻi aʻe ma lalo o ke kiʻekiʻe wela, i hiki iā ia ke hāʻawi i ka hana maikaʻi ma lalo o nā kūlana paʻakikī.

Eia kekahi, ka mānoanoa o ka cellulose ether a me ka thixotropy: ka hana lua o ka cellulose ether - pili ka mānoanoa: cellulose ether polymerization degree, solution concentration, shear rate, temperature and other condition. He kū hoʻokahi ka waiwai gelation o ka hopena i ka alkyl cellulose a me kāna mau mea i hoʻololi ʻia. ʻO nā hiʻohiʻona gelation e pili ana i ke kiʻekiʻe o ka hoʻololi ʻana, ka hoʻonā hoʻonā a me nā mea hoʻohui. No ka hydroxyl alkyl modified derivatives, pili pū nā waiwai gel i ke kiʻekiʻe o ka hoʻololi hydroxyl alkyl. No ka hoʻonā ʻana o ka haʻahaʻa haʻahaʻa haʻahaʻa MC a me HPMC hiki ke hoʻomākaukau i ka 10% -15% ka hoʻonā ʻana, hiki ke hoʻomākaukau ʻia ka viscosity MC a me HPMC 5% -10% solution, a hiki ke hoʻomākaukau ʻia ka viscosity kiʻekiʻe MC a me HPMC 2% -3. % solution, a ʻo ka maʻamau cellulose ether viscosity grading ʻo ia hoʻi i ka 1%-2% solution i ka papa. High molecular paona cellulose etera mānoanoa ka pono, ka ia o ka hoʻonā 'ana, okoa molecular kaumaha polymers i okoa viscosity, viscosity a me molecular kaumaha hiki ke hoike penei, [η] = 2.92×10-2 (DPn) 0.905, DPn ka awelika polymerization degere o kiʻekiʻe. Haʻahaʻa molecular kaumaha cellulose ether e hoʻohui hou aku e hoʻokō i ka pahuhopu viscosity. ʻOi aku ka liʻiliʻi o kona viscosity i ka shear rate, kiʻekiʻe viscosity e hoʻokō i ka viscosity target, ʻo ka nui e pono ai e hoʻohui i ka liʻiliʻi, pili ka viscosity i ka pono mānoanoa. No laila, no ka hoʻokō ʻana i kahi kūlike, pono e hōʻoia ʻia kahi nui o ka cellulose ether (concentration of solution) a me ka viscosity solution. Ua emi ka mahanahana o ka ho'ohehe'e me ka pi'i 'ana o ka ho'onā 'ana, a 'o ka ho'oulu 'ana i ka lumi wela ma hope o ka loa'a 'ana o kekahi kukū. Loaʻa i ka HPMC kahi kiʻekiʻe gelation i ka lumi wela.

Hiki ke hoʻololi ʻia ke kūlike ma ke koho ʻana i ka nui o nā ʻāpana a me nā cellulose ethers me nā pae like ʻole o ka hoʻololi. ʻO ka mea i kapa ʻia ʻo ka hoʻololi ʻana ʻo ia ka hoʻokomo ʻana o ka pūʻulu hydroxyl alkyl i kahi pae o ka hoʻololi ʻana i ke ʻano iwi o MC. Ma ka hoʻololi ʻana i nā waiwai hoʻololi pili o nā mea pani ʻelua, ʻo ia hoʻi, nā waiwai hoʻololi pili pili o DS a me MS o nā pūʻulu methoxy a me hydroxyl. Pono nā waiwai like ʻole o ka cellulose ether ma o ka hoʻololi ʻana i nā waiwai hoʻololi pili o nā ʻano mea pani ʻelua.

ʻO ka pilina ma waena o ke kūpaʻa a me ka hoʻololi: ʻo ka hoʻohui ʻana o ka cellulose ether e pili ana i ka hoʻohana ʻana i ka wai o ka mortar, a hoʻololi i ka ratio wai-binder o ka wai a me ka sima, ʻo ia ka hopena mānoanoa. ʻO ke kiʻekiʻe o ka dosage, ʻoi aku ka nui o ka hoʻohana wai.

Pono e hoʻoheheʻe koke ʻia nā cellulose ethers i hoʻohana ʻia i nā mea kūkulu hale lepo i ka wai anuanu a hāʻawi i ke kūlike kūpono i ka ʻōnaehana. Inā he flocculent a colloidal ka nui shear rate i hāʻawi ʻia, he huahana ʻoi aku ka maikaʻi ʻole a maikaʻi ʻole paha.

Aia kekahi pilina laina maikaʻi ma waena o ka paʻa ʻana o ka slurry cement a me ke ʻano o ka cellulose ether, hiki i ka cellulose ether ke hoʻonui nui i ka viscosity o ka mortar, ʻoi aku ka nui o ka dosage, ʻoi aku ka maopopo o ka hopena. ʻO ka cellulose ether aqueous solution me ka viscosity kiʻekiʻe he thixotropy kiʻekiʻe, ʻo ia kekahi o nā ʻano o ka cellulose ether. He pseudoplastic, non-thixotropic ka wai o ka wai o nā polymers ʻano MC ma lalo o ko lākou wela gel, akā nā waiwai kahe o Newtonian ma nā ʻāpana ʻoki haʻahaʻa. Hoʻonui ka Pseudoplasticity me ka piʻi ʻana o ke kaumaha molekala a i ʻole ka ʻike ʻana o ka cellulose ether a kūʻokoʻa i ke ʻano substituent a me ke degere. No laila, ke hōʻike mau nei nā cellulose ethers o ka pae viscosity like, inā he MC, HPMC a i ʻole HEMC, nā waiwai rheological like me ka lōʻihi o ka hoʻopaʻa ʻana a me ka mahana. Ke piʻi ka mahana, hoʻokumu ʻia ka gel structural a hele mai ke kahe thixotropic kiʻekiʻe. Hōʻike nā cellulose ethers me ka ʻike kiʻekiʻe a me ka viscosity haʻahaʻa i ka thixotropy ma lalo o ka mahana gel. He waiwai nui kēia waiwai i ke kūkulu ʻana i ka pā hale no ka hoʻoponopono ʻana i kona kahe a me ke kahe o ka waiwai e kau ana. Pono e wehewehe ʻia ma ʻaneʻi ʻo ke kiʻekiʻe o ka viscosity o cellulose ether, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai, akā ʻoi aku ka kiʻekiʻe o ka viscosity, ʻoi aku ka kiʻekiʻe o ke kaumaha molecular pili o cellulose ether, ʻo ka hoʻohaʻahaʻa like ʻana o kona solubility, he hopena maikaʻi ʻole ia. ka hoʻopaʻa ʻana o ka mortar a me ka hana hana. ʻO ke kiʻekiʻe o ka viscosity, ʻoi aku ka maopopo o ka hopena mānoanoa o ka mortar, akā ʻaʻole ia he pilina pili piha. ʻO kekahi haʻahaʻa viscosity, akā hoʻololi ʻia ka cellulose ether i ka hoʻomaikaʻi ʻana i ka ikaika o ke kūkulu ʻana o ka mortar pulu i ʻoi aku ka maikaʻi o ka hana, me ka piʻi ʻana o ka viscosity, cellulose ether wai paʻa i hoʻomaikaʻi ʻia.

ʻO ka hoʻihoʻi ʻana o ka cellulose ether: ʻo ka hana ʻekolu o ka cellulose ether e hoʻopaneʻe i ke kaʻina hydration o ka sima. Hāʻawi ka cellulose ether i ka mortar me nā ʻano waiwai like ʻole, akā e hōʻemi ana i ka hoʻokuʻu ʻana i ka wela hydration mua o ka sima, e hoʻopaneʻe i ke kaʻina hana hydration o ka sima. ʻAʻole maikaʻi kēia i ka hoʻohana ʻana i ka mortar ma nā wahi anuanu. ʻO kēia ʻano hopena hoʻopaneʻe he cellulose ether mole adsorption ma nā huahana hydration CSH a me Ca (OH) 2, ma muli o ka piʻi ʻana o ka pore solution viscosity, hoʻemi ka cellulose ether i ka hana o nā ion i ka hopena, no laila e hoʻopaneʻe i ke kaʻina hydration. ʻOi aku ka kiʻekiʻe o ka cellulose ether i loko o ka mineral gel material, ʻoi aku ka maopopo o ka hopena o ka lohi o ka hydration. ʻAʻole hoʻopaneʻe wale ka cellulose ether i ka hoʻonohonoho ʻana, akā ke kaʻina hana paʻakikī hoʻi o ka ʻōnaehana sima. ʻAʻole hilinaʻi wale ka hopena o ka cellulose ether i kona ʻike ʻana i ka ʻōnaehana gel mineral, akā i ke ʻano kemika. ʻOi aku ka kiʻekiʻe o ka HEMC methylation, ʻoi aku ka maikaʻi o ka hopena hoʻopaneʻe o ka cellulose ether. ʻOi aku ka ikaika o ka hopena o ka hoʻololi hydrophilic ma mua o ka hoʻonui ʻana i ka wai. Akā ʻo ka viscosity o cellulose ether ka liʻiliʻi o ka hopena i ka hydration kinetics o ka sima.

Me ka hoʻonui ʻana o ka ʻike cellulose ether, hoʻonui nui ka manawa hoʻonohonoho o ka mortar. ʻO ka manawa hoʻonohonoho mua o ka mortar he laina laina maikaʻi me ka maʻiʻo o ka cellulose ether, a ʻo ka manawa hoʻonohonoho hope loa he laina laina maikaʻi me ka ʻike o ka cellulose ether. Hiki iā mākou ke hoʻomalu i ka manawa hana o ka mortar ma ka hoʻololi ʻana i ke ʻano o ka cellulose ether.

I ka hōʻuluʻulu ʻana, i loko o ka mortar i hoʻomākaukau ʻia, cellulose ether ke kuleana i ka mālama ʻana i ka wai, ka mānoanoa, ka lohi ʻana i ka mana hydration cement, hoʻomaikaʻi i ka hana hana. ʻO ka hiki ke hoʻopaʻa wai maikaʻi e hoʻopiha piha i ka hydration sima, hiki ke hoʻomaikaʻi i ka viscosity pulu o ka mortar pulu, hoʻomaikaʻi i ka ikaika paʻa o ka mortar, ka manawa hiki ke hoʻololi. ʻO ka hoʻohui ʻana i ka cellulose ether i ka mīkini hoʻoheheʻe mīkini hiki ke hoʻomaikaʻi i ka hana ʻana a i ʻole ka pahū ʻana i ka hana a me ka ikaika o ke kūkulu ʻana o ka mortar. No laila, hoʻohana nui ʻia ka cellulose ether ma ke ʻano he mea hoʻohui koʻikoʻi i ka mortar mākaukau.