ʻO ka mortar insulation thermal granular EPS kahi mea insulation thermal māmā i hui pū ʻia me ka mea hoʻopaʻa inorganic, ka mea hoʻopaʻa organik, ka admixture, ka admixture a me ka aggregate māmā i kahi ʻāpana. I ka noiʻi a me ka hoʻohana ʻana o ka mortar insulation particle EPS i kēia manawa, he mana nui ka pauka latex redispersible recyclable i ka hana o ka mortar a noho i kahi ʻāpana kiʻekiʻe i ke kumukūʻai, no laila ua lilo mau ia i mea nui o ka nānā. ʻO ka hana hoʻopaʻa o ka ʻōnaehana insulation thermal mortar insulation particle EPS i loaʻa nui mai ka mea hoʻopaʻa polymer, a ʻo kāna ʻāpana he vinyl acetate/ethylene copolymer. Hiki ke hoʻomaloʻo ʻia kēia ʻano emulsion polymer e loaʻa ai ka pauka latex redispersible. Ma muli o ka hoʻomākaukau pololei ʻana o ka pauka latex redispersible i ke kūkulu ʻana, ka lawe maʻalahi a me ka mālama maʻalahi, ua lilo ka pauka wehe no nā polymers i mea hoʻomohala ma muli o kona hoʻomākaukau pololei ʻana, ka lawe maʻalahi a me ka mālama maʻalahi. ʻO ka hana o ka mortar insulation particle EPS e hilinaʻi nui ʻia i ke ʻano a me ka nui o ka polymer i hoʻohana ʻia. ʻO ka pauka latex Ethylene-vinyl acetate (EVA) me ka nui o ka ethylene a me ka waiwai Tg haʻahaʻa (mahana hoʻololi aniani) he mau waiwai maikaʻi aʻe ma ke ʻano o ka ikaika hopena, ka ikaika hoʻopaʻa a me ke kūpaʻa wai.
ʻO ka hoʻonui ʻana i ka hana o ka pauka latex redispersible ma ka mortar ma muli o ka pauka polymer he polymer molecular kiʻekiʻe me nā hui polar. Ke hui pū ʻia ʻo RDP me nā ʻāpana EPS, e hoʻopili kino ka ʻāpana non-polar i loko o ke kaulahao nui o ka pauka polymer me ka ʻili non-polar o EPS. Hoʻonohonoho ʻia nā hui polar i loko o ka polymer i waho ma luna o ka ʻili o nā ʻāpana EPS, e hoʻololi ana i nā ʻāpana EPS mai ka hydrophobic a i ka hydrophilic. Ma muli o ka hoʻololi ʻana o ka ʻili o nā ʻāpana EPS e ka pauka polymer, ua hoʻoponopono ʻia ka pilikia e maʻalahi ai ka hui ʻana o nā ʻāpana EPS me ka wai. Lana, nā pilikia nui o ka delamination mortar. I kēia manawa, i ka hoʻohui ʻana i ka sima a me ka hoʻoulu ʻana, ʻo nā hui polar i hoʻopili ʻia ma luna o ka ʻili o nā ʻāpana EPS e launa pū me nā ʻāpana sima a hui pū, kahi e hoʻomaikaʻi nui ai i ka hana o ka mortar insulation EPS. Hōʻike ʻia kēia i ka ʻoiaʻiʻo ua maʻalahi ka pulu ʻana o nā ʻāpana EPS e ka slurry sima, a ua hoʻomaikaʻi nui ʻia ka ikaika hoʻopaʻa ma waena o nā mea ʻelua.
Ma hope o ka hoʻokumu ʻia ʻana o ka emulsion a me ka pauka latex redispersible i loko o kahi kiʻiʻoniʻoni, hiki iā lākou ke hana i ka ikaika tensile kiʻekiʻe a me ka ikaika hoʻopaʻa ʻana ma nā mea like ʻole. Hoʻohana ʻia lākou ma ke ʻano he mea hoʻopaʻa lua i loko o ka mortar e hui pū me ka sima mea hoʻopaʻa inorganic, sima a me ka polymer. E pāʻani i ka ikaika like a hoʻomaikaʻi i ka hana o ka mortar. Ma ka nānā ʻana i ka microstructure o ka mea hui polymer-sima, ua manaʻo ʻia ʻo ka hoʻohui ʻana o ka pauka latex redispersible hiki ke hana i ka kiʻiʻoniʻoni polymer i ʻāpana o ka paia lua, a hana i ka mortar i hoʻokahi holoʻokoʻa ma o ka ikaika kūloko, kahi e hoʻomaikaʻi ai i ka ikaika kūloko o ka mortar. Ikaika Polymer, no laila e hoʻonui ai i ke kaumaha hāʻule o ka mortar a hoʻonui i ke kaumaha hope loa. No ke aʻo ʻana i ka hana lōʻihi o ka pauka latex redispersible i loko o ka mortar, i ʻike ʻia e ka microscope electron scanning, ma hope o 10 mau makahiki, ʻaʻole i loli ka microstructure o ka polymer i loko o ka mortar, e mālama ana i ka hoʻopaʻa paʻa, ka ikaika flexural a me ka ikaika compressive a me ka Hydrophobic maikaʻi. Ma ka lawe ʻana i ka pauka latex redispersible ma ke ʻano he mea noiʻi, ua aʻo ʻia ke ʻano hana o ka ikaika o ka hoʻopaʻa ʻana o ka tile, a ua ʻike ʻia ma hope o ka hoʻomaloʻo ʻia ʻana o ka polymer i loko o kahi kiʻiʻoniʻoni, ua hoʻokumu ka kiʻiʻoniʻoni polymer i kahi pilina maʻalahi ma waena o ka mortar a me ka tile ma kekahi ʻaoʻao, a ma kekahi ʻaoʻao, hoʻonui nā polymers i loko o ka mortar i ka nui o ka ea o ka mortar, e hoʻopilikia ana i ka palahalaha a me ka maʻalahi o ka ʻili, a ma hope i ke kaʻina hana hoʻonohonoho, loaʻa i nā polymers kahi hopena maikaʻi i ke kaʻina hana hydration a me ka emi ʻana o ka sima. ʻO nā mea hoʻopili, kōkua kēia mau mea a pau i ka hoʻonui ʻana i ka ikaika o ka hoʻopaʻa ʻana.
ʻO ka hoʻohui ʻana i ka pauka latex redispersible i ka mortar hiki ke hoʻomaikaʻi nui i ka ikaika hoʻopili me nā mea ʻē aʻe, no ka mea, ʻo ka pae wai o ka pauka polymer hydrophilic a me ka sima hoʻokuʻu ʻia e komo i loko o nā pores a me nā capillaries o ka matrix, ʻoiai ʻo ka pauka latex e komo i loko o nā pores a i loko o ke capillary. Hoʻokumu ʻia ka ʻili o loko a hoʻopili paʻa ʻia ma luna o ka ʻili o ka substrate, no laila e hōʻoiaʻiʻo ana i ka ikaika hoʻopili maikaʻi ma waena o ka mea gelled a me ka substrate.
Ka manawa hoʻouna: Iune-16-2023