Nā hiʻohiʻona o ka cellulose ether a me kona hopena i nā waiwai mortar

ʻO ka cellulose ether ka mea hoʻohui nui i ka mortar mākaukau. Hoʻokomo ʻia nā ʻano a me nā hiʻohiʻona o ka cellulose ether. Hoʻopaʻa ʻia nā hopena o ka hypromellose ether HPMC i nā waiwai o ka mortar. Hōʻike nā hopena e hiki i ka HPMC ke hoʻomaikaʻi i ka waiwai paʻa wai o ka mortar, e hoʻemi i ka nui o ka wai, e hoʻemi i ka nui o ka hui ʻana o ka moka, e hoʻolōʻihi i ka manawa hoʻonohonoho, a hoʻemi i ka ikaika flexural a me ka compressive o ka mortar. ʻO ka mortar kekahi o nā mea i hoʻohana nui ʻia i ka ʻoihana kūkulu. Me ka hoʻomohala ʻana o ka ʻepekema waiwai a me ke koi ʻana i ka maikaʻi o ke kūkulu ʻana, ua lilo ka mortar i mea kaulana e like me ka mea i hoʻohui ʻia i ka mākaukau, ua kūʻai mālie ʻia. Ke hoʻohālikelikeʻia me ka mortar i hoʻomākaukauʻia e kaʻenehana kuʻuna,ʻo ka hana pāʻoihana o ka mortar he nui nā mea maikaʻi: 1, kiʻekiʻe o ka huahana; 2, kiʻekiʻe huahana pono; 3, liʻiliʻi ka pollution kaiapuni, kūpono no ka hana civili, i kēia manawa, aia ʻo Guangzhou, Shanghai, Beijing a me nā kūlanakauhale ʻē aʻe e hoʻolaha i ka mortar i hoʻomākaukau ʻia, ua hoʻopuka ʻia nā kūlana ʻoihana pili, nā kūlana a me nā kūlana aupuni a i ʻole e hoʻopuka koke ʻia. ʻO kahi ʻokoʻa nui ma waena o ka mortar mākaukau a me ka mortar kuʻuna ʻo ia ka hoʻohui ʻana i ka hoʻohui kemika, ʻo ia ka cellulose ether ka mea hoʻohui kemika maʻamau. Hoʻohana pinepine ʻia ka cellulose ether ma ke ʻano he mea mālama wai e hoʻomaikaʻi ai i ka Operability o ka mortar mākaukau. No laila, he mea kōkua ke koho a hoʻohana pono i ka cellulose ether a me ka hōʻoia ʻana i ka paʻa o ka hana ʻana o ka mīkini sima ma o ka hoʻomaopopo hou ʻana i ka mana o ke ʻano o ka cellulose ether a me nā ʻano hana i ka hana ʻana o ka mortar sima.

1. ʻO keʻano a me keʻano o ka cellulose ether cellulose ether heʻano o ka wai-soluble polymer material, ua hanaʻia me ka cellulose maoli e ka alkali solution, grafting reaction (etherification), holoi, maloʻo, wili a me nā hana'ē aʻe. Hoʻokaʻawale ʻia nā cellulose ethers i nā ʻano ionic a me nā ʻano non-ionic. Ionic cellulose loaʻa nā paʻakai carboxymethyl cellulose, aʻo ka cellulose non-ionic he hydroxyethyl cellulose ethers, hydroxypropyl methyl cellulose ethers, Methyl cellulose ethers, etc. Ma muli o ka paʻa ʻole o ka ionic cellulose ether (carboxymethyl cellulose) i mua o nā ion calcium, ʻaʻole i hoʻohana ʻia i nā huahana pauka maloʻo me nā mea cementitious e like me ka cement a me ka lime hydrated, ʻo nā cellulose ethers i hoʻohana ʻia i ka mortar maloʻo he hydroxyethyl methyl cellulose ethers (HEMC). ) a me ka hydroxypropyl methyl cellulose ethers (HPMC), ʻoi aku ka nui o kā lākou mākeke 90% 2. ʻO ka hopena o ka cellulose ether ma nā waiwai o nā mortar sima 1. ʻO ka mea maʻamau cellulose ether no ka ho'āʻoʻana: hanaʻia e Shandong Gomez Chemical Co., Ltd., viscosity: 75000; Sima: 32.5 papa kima huila; Sand: one waena; Lehu Lehu: Papa II. 2 hopena ho'āʻo 1. ʻO ka hopena hoʻemi wai o cellulose ether huahelu 2 ʻo ia ka pilina ma waena o ke kūlike o ka mortar a me ka maʻiʻo o ka cellulose ether i ka hui like ʻana, hoʻonui mālie. Ke hoʻohui ʻia ka 0.3‰, hoʻonui ʻia ka paʻa o ka mortar ma kahi o 50%, e hōʻike ana e hiki i ka cellulose ether ke hoʻomaikaʻi i ka hana o ka mortar, me ka hoʻonui ʻana o ka ʻike o ka cellulose ether, hiki ke hoʻemi mālie ʻia ka nui o ka wai i hoʻohana ʻia. . Hiki ke noʻonoʻo ʻia he hopena hoʻemi wai ka cellulose ether. 2. ʻO ka mīkini paʻa wai paʻa wai e pili ana i ka hiki o ka mīkini paʻa ke paʻa i ka wai, a ʻo ia hoʻi kahi kuhikuhi hana e ana i ke kūpaʻa o ka mīkini sima hou i ka wā o ka lawe ʻana a me ke kaʻa. Hiki ke ana ʻia ka paʻa ʻana o ka wai o ka mortar i hoʻomākaukau ʻia e ka index of Delamination a me ka paʻa ʻana o ka wai, akā ʻaʻole hiki ke noʻonoʻo i ka ʻokoʻa ma muli o ka hoʻohui ʻana i ka mea mālama wai. ʻO ka hoʻāʻo paʻa wai ka helu ʻana i ka nui o ka mālama ʻana i ka wai ma ke ana ʻana i ka hoʻololi maikaʻi o ka pepa kānana ma mua a ma hope o ka hoʻopili ʻana me ka wahi o ka mortar i ʻōlelo ʻia i kekahi manawa. Ma muli o ka maikaʻi o ka wai o ka pepa kānana, ʻoiai inā he kiʻekiʻe loa ka paʻa ʻana o ka wai o ka mortar, hiki i ka pepa kānana ke komo i ka wai o ka mortar, no laila hiki i ka wai paʻa paʻa ke hōʻike pololei i ka paʻa ʻana o ka wai, ʻoi aku ka kiʻekiʻe o ka paʻa wai. ʻoi aku ka maikaʻi o ka mālama ʻana i ka wai.