Focus on Cellulose ethers

Ka hopena o ka Cellulose Etera ma luna o ke Kile Adhesive

ʻO ka hoʻopili ʻana i ka tile i hoʻopaʻa ʻia i kēia manawa ka noi nui loa o ka mortar maloʻo maloʻo kūikawā, i haku ʻia me ka sima ma ke ʻano he kumu cementitious mea a hoʻohui ʻia e nā aggregates graded, nā mea mālama wai, nā mea ikaika mua, ka pauka latex a me nā mea hoʻohui a i ʻole nā ​​​​mea hoʻohui. huikau. ʻO ka maʻamau, pono e hui pū ʻia me ka wai ke hoʻohana ʻia. Ke hoʻohālikelike ʻia me ka mortar sima maʻamau, hiki iā ia ke hoʻomaikaʻi nui i ka ikaika hoʻopaʻa ma waena o ka mea e kū ana a me ka substrate, a he kūpaʻa paheʻe maikaʻi a me ke kūpaʻa wai maikaʻi a me ka pale wela. A ʻo nā mea maikaʻi o ka pale ʻana i ka pōʻai manuahi, i hoʻohana nui ʻia no ka hoʻopili ʻana i ka hale o loko a me waho o ka pā hale, nā ʻili papahele a me nā mea hoʻonaninani ʻē aʻe, i hoʻohana nui ʻia i loko a me nā paia o waho, nā papahele, nā lumi ʻauʻau, nā kīhini a me nā wahi hoʻonaninani ʻē aʻe. ʻoi loa ka hoʻohana nui ʻana i nā mea hoʻopaʻa tile ceramic.

ʻO ka manawa maʻamau ke hoʻokolokolo mākou i ka hana o ka tile adhesive, ʻaʻole mākou e hoʻolohe wale i kāna hana hana a me ka hiki ke anti-sliding, akā e hoʻolohe pū i kona ikaika mechanical a me ka manawa wehe. ʻO ka cellulose ether i loko o ka tile adhesive ʻaʻole pili wale i nā waiwai rheological o ka porcelain adhesive, e like me ka hana maʻemaʻe, paʻi pahi, a me nā mea ʻē aʻe, akā he mana ikaika nō hoʻi i nā waiwai mechanical o ka tile adhesive.

1. Nā hola wehe

Ke noho pū nei ka pauda lāʻau a me ka cellulose etera i loko o ka mortar pulu, hōʻike kekahi mau hiʻohiʻona ʻikepili i ʻoi aku ka ikaika o ka ikehu kinetic e hoʻopili ai i nā huahana hydration cement, a ʻoi aku ka nui o ka cellulose ether i loko o ka wai interstitial, kahi e hoʻopili ai i ka viscosity Mortar a me ka manawa hoʻonohonoho. ʻOi aku ka nui o ka ʻili o ka cellulose ether ma mua o ka pauka lāʻau, a ʻoi aku ka nui o ka cellulose etera i hoʻonui ʻia ma ka pā pahū e pono ai ka hoʻokumu ʻana i nā paʻa hydrogen ma waena o ka ʻili kumu a me ka cellulose etera.

I loko o ka mortar pulu, evaporates ka wai i loko o ka mortar, a hoʻonuiʻia ka cellulose ether ma luna o kaʻili, a e hanaʻia kahi kiʻiʻoniʻoni ma luna o ka ili o ka pahū i loko o 5 mau minuke, e hoʻemi ana i ka helu evaporation ma hope, no ka mea, nui ka wai. wehe 'ia mai ka mānoanoa manoanoa hapa o ia e neʻe aku i ka thinner mortar papa, a me ka kiʻiʻoniʻoni i hanaia ma ka hoʻomaka 'ana i hapa hoʻoheheʻe, a me ka neʻeʻana o ka wai e lawe hou cellulose etera enrichment ma luna o ka mortar ili.

ʻO ka hana kiʻiʻoniʻoni o cellulose ether ma ka ʻili o ka mortar he mana nui i ka hana o ka mortar:

1. ʻO ke kiʻiʻoniʻoni i hanaʻia he lahilahi a e hoʻoheheʻeʻia iʻelua manawa,ʻaʻole hiki ke kaupalena i ka hoʻoheheʻeʻana o ka wai a hoʻemi i ka ikaika.

2. ʻO ke kiʻiʻoniʻoni i hanaʻia he mānoanoa loa. He kiʻekiʻe ka ʻike o ka cellulose ether i loko o ka wai interstitial mortar a kiʻekiʻe ka viscosity. ʻAʻole maʻalahi ka haki ʻana i ke kiʻiʻoniʻoni i ka wā i hoʻopili ʻia ai nā tile.

Hiki ke ʻike ʻia he ʻoi aku ka nui o ka hopena o ka hana kiʻiʻoniʻoni o cellulose ether i ka manawa wehe. ʻO keʻano o ka cellulose ether (HPMC, HEMC, MC, a me nā mea'ē aʻe) a me ka degere o ka etherification (substitution degree) pili pono i nā mea hana kiʻiʻoniʻoni o cellulose ether, a me ka paʻakikī a me ka paʻakikī o ke kiʻi.


Ka manawa hoʻouna: Dec-26-2022
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