ʻO ka lakio o ka hydroxypropyl methyl cellulose a me ka sima

He aha ka lakio o ka HPMC Hydroxypropyl methyl cellulose a me ka sima?

ʻO ka mortar insulation ʻenekinia wai ʻole, pili kona mau ʻano i ke kaumaha o nā mea maka i hana ʻia: Concrete 30-340, pauka brick ʻōpala kūkulu ʻenekinia 40-50, lignin fiber 20-24, calcium formate 4-6, hydroxypropyl methyl cellulose 7-9, pauka silicon carbide 40-45, pauka calcium hydroxide 10-20, pauka corundum brown 10-12, pauka lepo maloʻo o ke kūlanakauhale nui 30-35, lepo kūlanakauhale ʻo Datong 40-45, alumini sulfate 4-6, carboxymethyl Base starch 20-24, nā mea i hoʻololi ʻia nanotechnology carbon powder 4-6, wai 600-650; ʻO ka mortar insulation ʻenekinia wai ʻole o kēia huahana he insulation wela ikaika, kūpaʻa ahi maikaʻi, hoʻopaʻa ikaika me ka paia, ikaika compressive, hana tensile, kūpaʻa ʻelemakule maikaʻi, palekana kaiapuni maikaʻi, pale makū maikaʻi loa, kūpaʻa māwae, pale i ka hāʻule ʻana. I kēia lā e kamaʻilio mākou e pili ana i ka viscosity o ka hydroxypropyl methyl cellulose aqueous solution ma nā ʻano hea? E aʻo maoli kākou ia mea.

1. ʻO ke kaumaha molekala pili, ka mahana o ka hopena wai, ka wikiwiki ʻoki a me ke ʻano hoʻokolohua o ka cellulose ether; 2. ʻO ke kiʻekiʻe o ka mahana hoʻololi aniani, ʻoi aku ka nui o ke kaumaha molekala pili, ʻoi aku ka kiʻekiʻe o ka viscosity o ka hopena; 3. ʻO ke kiʻekiʻe o ka nui o ka cellulose ether, ʻoi aku ka kiʻekiʻe o ka viscosity o ka hopena, no laila i ka hoʻokō ʻana o ka noi pono mākou e hoʻolohe i ka nui kūpono o ka hoʻohui ʻana, pale i ka hoʻohui ʻana i ke kiʻekiʻe loa, a hoʻopili pololei i nā ʻano o ka sima sima a me ka sima sima; 4. E like me ka hapa nui o ka hopena, e emi pū ka viscosity me ka piʻi ʻana o ka mahana, a ʻo ke kiʻekiʻe o ka nui o ka cellulose ether, ʻoi aku ka nui o ka pōʻino o ka mahana; Eia kekahi, ʻokoʻa ka hopena mānoanoa maoli e like me ka nui o ka wai i hoʻohana ʻia no ka sima epoxy.

Hiki i ka viscosity o ka wai o ka hydroxypropyl methyl cellulose ke lawelawe ma ke ʻano he loulou koʻikoʻi no nā manaʻo e pili ana i nā ʻano o ka cellulose ether, ʻo ke kiʻekiʻe o ka viscosity o ka wai o ka wai, ʻo kona mānoanoa o nā mea sima epoxy, ʻoi aku ka maikaʻi, ma ke kua o ka pā gelling properties, akā inā nui loa ka viscosity, e hōʻino koke i ka epoxy cement raw material liquidity a me ka enforceability. No kekahi mortar leveling ponoʻī me ke kahe kiʻekiʻe, e kuhikuhi ʻia ka viscosity o ka cellulose ether e haʻahaʻa.

ʻO ka hopena wai o ka cellulose ether he kino pseudoplastic, ʻoi aku ka nui o ka ʻoki ʻana ma ke kahua hope o ka ʻike ʻana, a ʻoi aku ka liʻiliʻi o ka viscosity.

No laila, ʻo ka hōʻuluʻulu ʻana: e hoʻemi ʻia ka cohesion o ka sima sima e ka ikaika o waho, kahi mea e pono ai no ke kūkulu ʻenekinia ma hope, akā i ka hihia o kahi waiwai haʻahaʻa loa o ka cellulose ether aqueous solution, e ʻike ʻia nā ʻano o ka wai ʻole Newtonian, ma ke ʻano ʻē, i ka wā e hoʻonui ʻia ai ka waiwai o ka coupling, e ʻike ʻia nā ʻano wai pseudoplastic o ka wai wai.

ʻO ka paʻa ʻana o ka wai mai ka hydroxypropyl methyl cellulose kekahi o nā waiwai koʻikoʻi o ka hydroxypropyl methyl cellulose. Hoʻopilikia ʻia ka nui o ka mahu o ka wai i loko o nā huahana i kāwili ʻia me ka mortar a me ka plaster e ka mahana o ke kinoea, ka mahana a me ke kaomi. No laila, i nā kau like ʻole, me ka hydroxypropyl methyl cellulose, ʻo ka nui like o ka pono o ka wai o ka huahana he mau ʻokoʻa.

Ma keʻano laulā, ʻo ke kiʻekiʻe o ka viscosity o ka hydroxypropyl methyl cellulose, ʻoi aku ka maikaʻi o ka hopena maoli o ka paʻa ʻana o ka wai, akā e hoʻemi ʻia ka pōʻino o ka viscosity i ka paʻa ʻana o ka wai ma hope o ka ʻoi aku o ka viscosity ma mua o 100,000 Mpa. s. Ke ʻoi aku ka viscosity o ka HYDROXYpropyl methyl cellulose ma mua o 100,000, hiki ke hoʻomaikaʻi nui ʻia ka nui o ka paʻa ʻana o ka wai ma ka hoʻonui ʻana i ka nui o ka hydroxypropyl methyl cellulose.

I ke kaʻina hana kūkulu kikoʻī, hiki ke hoʻoponopono ʻia ka hopena paʻa wai o ka slurry ma ka hoʻoponopono ʻana i ka nui o ka hydroxypropyl methyl cellulose. Hiki i nā huahana moʻo Hydroxypropyl methyl cellulose ke hoʻoponopono pono i ka pilikia o ka paʻa wai ma lalo o ka mahana kiʻekiʻe mau. I ke kau wela kiʻekiʻe mau, ʻoi aku hoʻi i nā wahi wela a me ka luuluu a me ke kūkulu ʻana o ka chromatography ma ka ʻaoʻao lā, pono ka HYDROXYpropyl methyl cellulose kiʻekiʻe e hoʻomohala i ka paʻa wai o ka slurry.

ʻO ke ʻano kiʻekiʻe o ka hydroxypropyl methyl cellulose, he kaulike maikaʻi kona, ʻo kona tertiary butyl a me ka hydroxypropyl oxygen functional groups ma ke kaulahao molekala fiber ma ke ʻano hui, hiki iā ia ke hoʻomohala i ka hui methyl aldehyde a me ka oxygen, a ʻo ke ʻano o ka wai o nā pilina covalent digital hiki ke hoʻopili ʻia, lilo i wai paʻa a me ka wai o ka dispersion, a laila e hoʻomalu pono i ke aniau wela kiʻekiʻe i hoʻokumu ʻia e ka mahu wai, ka paʻa wai kiʻekiʻe.

Hiki i ke ʻano kiʻekiʻe o ka hydroxypropyl methyl cellulose ke kūpono i ka ʻāina wehe a me ke kālepa i loko o nā huahana mortar a me ka plaster i hui ʻia, a me nā ʻāpana paʻa a pau e cyst, pulu, hoʻoluʻu, a hana i kahi papa o ka ʻiliʻili, ka makū i ka wā lōʻihi e hoʻokuʻu mālie mai ke kumu, me ka hoʻomaka ʻana o ka hui organik o ka hopena hydration, a laila e hōʻoia i ka hui pū ʻana o nā mea maka i ka ikaika compressive a me ka ikaika tensile. I ke kaʻina hana kūkulu kauwela wela kiʻekiʻe, no laila, no ka hiki ʻana i ka hopena wai, pono e kūlike me ke ʻano no kekahi nui a me ke ʻano o nā huahana hydroxypropyl methyl cellulose, inā ʻaʻole, e hōʻike wikiwiki loa ka luhi a me ke kumu o ka hydration lawa ʻole, e hoʻemi i ka ikaika compressive, māhelehele, popped nā ʻano e like me ka metope ʻole pahu a me ke kānalua, hui pū ʻia me ka coefficient paʻakikī kūkulu hana. Ke emi ka mahana, hiki ke hoʻemi mālie ʻia ka nui o ka hydroxypropyl methyl cellulose a hiki ke hoʻokō ʻia ka hopena paʻa wai like.

Inā ʻaʻole i hoʻohui ʻia ka cellulose ether, e maloʻo koke ka chromatography o ka sima sima hou, ʻaʻole hiki ke hoʻomaʻū ʻia ka sima ma ke ʻano maʻamau, e hopena ana i ka ʻole o ka hoʻomākaukau paʻakikī ʻana o ka sima sima a loaʻa ka hoʻopili maikaʻi ʻana. I ka manawa like, ʻo ka hoʻohui ʻana o ka cellulose ether e hana i ka sima sima i ka ductility maikaʻi a me ka maʻalahi, a hoʻomaikaʻi i ka ikaika compressive o ka sima sima.

1, ka nui o ka ʻāpana hydroxypropyl methyl cellulose

ʻO ka nui o ka ʻāpana o ka cellulose ether e hōʻino i kona solubility. ʻO ka ʻoi aku ka maikaʻi o ka cellulose ether, ʻo ka wikiwiki o kona helu palaho i ka wai a ʻoi aku ke kiʻekiʻe o kona mau ʻano paʻa wai. No laila, pono e hoʻokomo ʻia ka nui o ka ʻāpana o ka cellulose ether i ka noiʻi ʻana i kekahi o kona mau ʻano. Ma keʻano laulā, ʻo ka nui o ka ʻāpana cellulose ether he 80 mesh ma muli o.

2, hydroxypropyl methyl cellulose maloʻo me ka ʻole o ka helu umekaumaha

ʻO ka maloʻo manic me ka ʻole o ka helu umekaumaha, e pili ana i kahi mahana o ka cellulose ether manic maloʻo, ʻo ka nalowale o ke ʻano kemika i helu ʻia no ka pakeneka maikaʻi o ka laʻana mua o ka haku mele. No kahi ʻano maikaʻi o ka cellulose ether i ka maloʻo me ka ʻole o ka helu umekaumaha he kiʻekiʻe loa ia, e hōʻemi i nā ʻāpana pili i ka cellulose ether, e hōʻino i ka hopena maoli o ka hoʻohana ʻana o nā ʻoihana ma hope, akā e hoʻomaikaʻi pū i ke kumukūʻai kūʻai. ʻO ka maʻamau, ʻaʻole e ʻoi aku ka nui o ka cellulose ether maloʻo me ka ʻole o ka helu umekaumaha ma mua o 5.0%.

3, hydroxypropyl methyl cellulose potassium thiocyanate lehu

No kekahi ʻano maikaʻi o ka cellulose ether i loko o ka lehu he kiʻekiʻe loa ia, e hoʻemi ana i ka nui o ka cellulose ether i loko o nā ʻāpana pili, a hōʻino i ka hopena maoli o ka hoʻohana ʻana o nā ʻoihana ma hope, ʻo ka nui o ka lehu cellulose ether potassium thiocyanate ka mea nui e noʻonoʻo ai i kona waiwai ponoʻī.

4, ka mānoanoa o ka hydroxypropyl methyl cellulose

ʻO ka paʻa ʻana o ka wai Hydroxypropyl methyl cellulose a me ka hopena mānoanoa ke kī e hoʻohui i ka sima sima cellulose ether i kona mānoanoa ponoʻī a me ka hoʻohui ʻana.

5, waiwai PH hydroxypropyl methyl cellulose

Hoʻemi mālie ka mānoanoa o nā huahana hydroxypropyl methyl cellulose i ka mahana kiʻekiʻe a i ʻole ma hope o ka mālama ʻana no ka manawa lōʻihi, ʻoi aku hoʻi no nā huahana mānoanoa kiʻekiʻe, no laila pono e kaupalena ʻia ka waiwai pH. Ua ʻōlelo nui ʻia e hana ʻia ka māhele waiwai PH o ka cellulose ether ma ke ʻano he 5-9.

6. Ka hoʻoili ʻana o ka hydroxypropyl methyl cellulose

ʻO nā pono a me nā hemahema o ka hoʻoili ʻana o ka hydroxypropyl methyl cellulose hiki ke hoʻopili pololei i ka hopena maoli o kona hoʻohana ʻana i nā mea kūkulu hale. ʻO nā kumu nui e hōʻino ai i ka hoʻoili ʻana o ka cellulose ether1) ke ʻano o nā mea maka; (2) ka hopena maoli o ka deashing; (3) ka hoʻomākaukau ʻana i ka ʻenehana hana; (4) ka hoʻomākaukau ʻana i ka solvent organik; (5) ka hopena maoli o zhonghe.

Wahi a ka hopena noi maoli, ʻaʻole pono ka emi ʻana o ka cellulose ether ma mua o 80%.

7, hydroxypropyl methyl cellulose i manaʻo ʻia he mahana

ʻO ka hydroxypropyl methyl celluloseI loko o nā ʻāpana sima, ʻo ke kī nui ia e hoʻonui ai i nā mea hoʻopili, ka viscosity a me ka mea paʻa wai, no laila ʻo ka viscosity a me ka mahana o ka gel ke kumu nui o ka hydroxypropyl methyl cellulose. Hoʻohana ʻia ka mahana e hoʻoholo ai i ke ʻano a me nā kikoʻī o ka cellulose ether, a pili pū ke kekelē o ka hoʻololi ʻana o ka cellulose ether.

8. Eia kekahi, e hōʻino pū ka paʻakai a me ke koena i ka mahana o ke kāpili. Ke piʻi ka mahana o ka hopena wai, nele mālie ka polymer fiber i ka wai, a emi iho ka viscosity o ka hopena wai. Ke hiki i ke kiko hoʻopili, maloʻo loa ka polymer a hana ʻia ka mea hoʻopili. No laila, ʻo ka mahana hana o nā lālā sima ma lalo o ka mahana kāpili mua. Ma lalo o kēia kūlana, ʻo ka haʻahaʻa o ka mahana, ʻoi aku ka kiʻekiʻe o ka viscosity, a ʻoi aku ka koʻikoʻi o ka hopena maoli o ka viscosification a me ka paʻa ʻana o ka wai.