ʻO ka mortar maloʻo he ʻano granule a me ka pauka i hui pū ʻia me nā mea hoʻohui e like me nā aggregates maikaʻi a me nā mea hoʻopaʻa inorganic, nā mea mālama wai a me nā mea mānoanoa, nā mea hoʻohaʻahaʻa wai, anti-cracking agents, a me nā defoaming agents i kekahi māhele ma hope. ka hoʻomaloʻo a me ka kānana.Lawe ʻia ka hui ʻana i ke kahua kūkulu e kahi pahu pahu kūikawā a i ʻole ʻeke pepa wai ʻole i hoʻopaʻa ʻia, a laila hui pū ʻia me ka wai.Ma waho aʻe o ka sima a me ke one, ʻo ka mortar maloʻo i hoʻohana nui ʻia he redispersible a redispersible polymer pauka.Ma muli o kona kumukūʻai kiʻekiʻe a me ka mana nui i ka hana o ka mortar, ʻo ia ke kumu o ka nānā.Kūkākūkā kēia pepa i ka hopena o ka pauda polymer dispersible i nā waiwai o ka mortar.
1 Hana hoao
I mea e hoʻoholo ai i ka hopena o ka dispersible polymer powder content ma luna o nā waiwai o ka polymer mortar, ua hoʻolālā ʻia kekahi mau pūʻulu hoʻohālikelike e ke ʻano hoʻāʻo orthogonal a hoʻāʻo ʻia e like me ke ʻano o "Quality Inspection Standard of Polymer Mortar for External Wall Thermal Insulation" DBJOI- 63-2002.Hoʻohana ʻia ia e hoʻoholo i ka mana o ka mortar polymer ma ka ikaika paʻa tensile, ka ikaika hoʻopaʻa hoʻopaʻa compressive shear bond o ke kumu kaʻa a me ka ikaika compressive, ka ikaika flexural a me ka ratio compression-to-fold o ka polymer mortar ponoʻī.
ʻO nā mea waiwai nui he P-04 2.5 sima silica maʻamau;ʻO RE5044 a me R1551Z ka pauka latex hiki ke hoʻokuʻu ʻia;70-140 mesh quartz one;nā mea hoʻohui ʻē aʻe.
2 Ka hopena o ka pauka polymer dispersible ma nā waiwai o ka momi polimer
2.1 Nā waiwai hoʻopaʻa uʻi a me ka hoʻopaʻa ʻana
Me ka hoʻonui ʻana o ka pauda polymer dispersible, ua hoʻonui ʻia ka ikaika paʻa tensile a me ka ikaika hoʻopaʻa hoʻopaʻa compressive o ka polimer mortar a me ka pahu sima, a ua neʻe aʻe nā ʻāpana ʻelima me ka piʻi ʻana o ka ʻike sima.Hiki i ka awelika kaumaha o kēlā me kēia kiko kūpono ke kālailai i ke kiʻekiʻe o ka mana o ka maʻiʻo o ka pauka polymer redispersible i ka hana ʻana o ka mortar sima.Hōʻike ka ikaika shear compressive i kahi ʻano ulu laina.ʻO ke ʻano holoʻokoʻa ʻo ia ka piʻi ʻana o ka ikaika paʻa tensile e 0.2 MPa a piʻi ka ikaika hoʻopaʻa shear compressive e 0.45 MPa no kēlā me kēia 1% hoʻonui i ka pauka polymer dispersible.
2.2 Nā waiwai hoʻopaʻa/pepe o ka momi ponoʻī
Me ka hoʻonui ʻana o ka pauka polymer redispersible, ua emi ka ikaika compressive a me ka ikaika flexural o ka mortar polymer ponoʻī, e hōʻike ana he hopena keakea ka polymer i ka hydration o ka sima.Hōʻike ʻia ka hopena o ka dispersible polymer pauda ma luna o ka lākiō kaomi o ka mortar polymer pono'ī ma ka Figure 4. , me ka hoʻonui ʻana o ka pauka latex redispersible, ua emi iho ka ratio hoʻoemi o ka mortar polymer ponoʻī, e hōʻike ana i ka hoʻomaikaʻi ʻana o ka polymer i ka paʻakikī. ka hamo.Hiki i ka awelika kaumaha o kēlā me kēia kiko kūpono ke kālailai i ke kiʻekiʻe o ka mana o ka pauda polymer redispersible i ka hana o ka mīkini polimer ponoʻī.Me ka hoʻonui ʻana o ka pauka polymer redispersible, ka ikaika compressive, ka ikaika flexural a me ka ratio indentation e hōʻike ana i kahi ʻano hoʻohaʻahaʻa laina.No kēlā me kēia 1% hoʻonui o ka pauka polymer dispersible, e emi ana ka ikaika compressive e 1.21 MPa, e emi ana ka ikaika flexural e 0.14 MPa, a e emi ana ka ratio compression-to-fold e 0.18.Hiki ke ʻike ʻia ua hoʻomaikaʻi ʻia ka maʻalahi o ka mortar ma muli o ka hoʻonui ʻana i ka nui o ka pauka polymer dispersible.
2.3 Ka helu helu o ka hopena o ka lākiō lime-sand ma nā waiwai o ka polimer mortar.
I loko o ka mortar polymer, pili pono ka pilina ma waena o ka lime-sand ratio a me ka redispersible polymer powder content i ka hana o ka mortar, no laila pono e kūkākūkā kaʻawale i ka hopena o ka ratio lime-sand.E like me ke kaʻina hana ʻikepili hoʻāʻo orthogonal, hoʻohana ʻia nā ʻano like ʻole o ka lime-sand ma ke ʻano he mau mea ʻokoʻa, a ua hoʻohana ʻia ka mea pili i ka redispersible polymer pauda ma ke ʻano he kumu mau e kahakiʻi i kahi kiʻi nui o ka mana o nā loli o ka lime-sand ratio ma ka mortar.Hiki ke ʻike ʻia, Me ka piʻi ʻana o ka lakene lime-sand, ʻo ka hana ʻana o ka mortar polymer i ka mortar sima a me ka hana ʻana o ka mīkini polymer ponoʻī e hōʻike ana i ke ʻano o ka emi ʻana o ka laina.Hoʻemi ʻia ka ikaika paʻa e 0.12MPa, hoʻemi ʻia ka ikaika hoʻopaʻa paʻa compressive e 0.37MPa, hoʻemi ʻia ka ikaika compressive o ka mortar polymer ponoʻī e 4.14MPa, hoʻemi ʻia ka ikaika flexural e 0.72MPa, a me ka compression-to-fold. ua hoemiia ka lakio e 0.270
3 ʻO ka hopena o ka pauka latex redispersible i loaʻa ka f ma ka hoʻopaʻa ʻana o ka mortar polymer a me ka EPS foamed polystyrene board ʻO ka hoʻopaʻa ʻana o ka mortar polymer i ka pahu sima a me ka hoʻopaʻa ʻana o ka papa EPS i manaʻo ʻia e DB JOI-63-2002 maʻamau.
Pono ka mea mua i ka rigidity kiʻekiʻe o ka mortar polymer, ʻoiai ʻo ka mea hope e koi i ke kiʻekiʻe kiʻekiʻe, akā e noʻonoʻo ana i ka papahana insulation thermal waho e pono e hoʻopili i nā paia paʻa a me nā papa EPS maʻalahi, i ka manawa like, pono ia e hōʻoia i ke kumukūʻai. aole kiekie loa.No laila, papa inoa ka mea kākau i ka hopena o ka dispersible polymer powder content ma luna o nā waiwai hoʻopaʻa maʻalahi o ka polimer mortar ma kahi kaʻawale e hōʻike i kona koʻikoʻi.
3.1 Ka hopena o ke ʻano o ka pauka polymer dispersible ma ka ikaika paʻa o ka papa EPS
Ua koho ʻia nā pauka latex redispersible mai nā haole R5, C1, P23;Taiwanese D2, D4 2;hale S1, S2 2, he 7;ʻO ka papa polystyrene i koho ʻia ʻo Beijing 18kg / papa EPS.Wahi a DBJ01-63-2002 maʻamau, hiki ke hoʻopaʻa ʻia ka papa EPS.Hiki i ka pauka latex redispersible ke hoʻokō i nā koi o nā waiwai paʻa paʻa paʻa o ka polymer mortar i ka manawa like.
Ka manawa hoʻouna: Nov-01-2022