ʻO ka cellulose ether i nā mea kūkulu hale mālama kaiapuni

ʻO ka hana a me ka hoʻohana ʻana o ka cellulose ether i nā mea kūkulu hale mālama kaiapuni

Cellulose eterahe non-ionic semi-synthetic polymer, wai-soluble a me ka solvent ʻelua, i nā ʻoihana like ʻole i hana ʻia e ka hana ʻokoʻa, e like me nā mea hale kemika, he hopena koʻikoʻi:

① mea mālama wai

② mea mānoanoa

③ hoʻonui

④ hana kiʻiʻoniʻoni

⑤ mea hoʻopili;

I ka ʻoihana PVC, he emulsifier, dispersant; I ka ʻoihana lāʻau lapaʻau, he ʻano mea hoʻopaʻa a me ka hoʻokuʻu lohi ʻana i nā mea iwi, no ka mea he ʻano like ʻole ka cellulose i nā hopena composite, no laila ʻo ia ka māla i hoʻohana nui ʻia. Ma lalo wau e nānā i ka hoʻohana ʻana i ka cellulose ether i nā mea kūkulu hale mālama kaiapuni a me ke kuleana.

1. pena latex

Ma ka laina pena latex, e koho i ka hydroxyethyl cellulose, ʻo ka kikoʻī maʻamau o ka viscosity ʻo RT3000-50000cps, ʻo ka helu kuhikuhi maʻamau he 1.5‰-2‰. ʻO ka hana nui o ka hydroxyethyl i ka pena latex ʻo ia ka mānoanoa, pale i ka gelation pigment, hāʻawi i ka hoʻopuehu ʻana o ka puaʻa, latex, kūpaʻa, a hiki ke hoʻomaikaʻi i ka viscosity o nā ʻāpana, kōkua i ka hana pae ʻana o ka hana: Hydroxyethyl cellulose maʻalahi e hoʻohana, hiki ke hoʻoheheʻe ʻia i loko o ka wai anuanu a me ka wai wela, ʻaʻole pili i ka waiwai PH, hiki ke hoʻohana ʻia ma waena o ka waiwai PH 2 a me 12, ka hoʻohana ʻana i kēia mau ʻano ʻekolu:

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I. Hoʻohui pololei:

No kēia ʻano, koho ʻia ka hydroxyethyl cellulose ʻano lohi - hydroxyethyl cellulose me ka manawa hoʻopau ʻoi aku ma mua o 30 mau minuke. Penei ke kaʻina hana: (1) e ʻoki kiʻekiʻe ka pahu blender a me ka wai maʻemaʻe quantitative (2) hoʻomaka ka poʻe e lohi i ka hoʻoulu ʻana mau, i ka manawa like e hoʻohui mālie i ka hydroxyethyl i ka hopena o (3) hoʻomau i ka hoʻoulu ʻana a hiki i nā mea āpau. mea pulu pulu (4) e hui me na mea hoohui a me na mea hoonui alkaline (5) e hooulu a hiki i ka hemo loa ana o ka hydroxyethyl a pau, e hookomo i na mea e ae o ka formula, e wili ana i ka huahana i pau.

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ⅱ. Hoʻolako ʻia me ka ʻona makuahine:

Hiki i kēia ʻano ke koho i ka cellulose hiki ke hoʻopaʻa ʻia, a loaʻa ka hopena i ka mildew. ʻO ka maikaʻi o kēia ʻano hana ʻoi aku ka maʻalahi, hiki ke hoʻohui pololei i ka pena emulsioni, e hana i kahi ʻano like me ①–④ ʻano like.

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ⅲ, me ka porridge no ka hoʻohana ʻana:

No ka mea, ʻo nā mea hoʻoheheʻe organik he mau mea hoʻoheheʻe maikaʻi ʻole (inoluble) no ka hydroxyethyl, hiki ke hoʻohana ʻia e hoʻomākaukau i ka porridge. ʻO nā mea hoʻoheheʻe organik i hoʻohana pinepine ʻia, ʻo ia nā wai kūlohelohe i loko o nā ʻano pena latex, e like me ka ethylene glycol, propylene glycol a me nā mea hana kiʻiʻoniʻoni (e like me diethylene glycol butyl acetate), hiki ke hoʻohui pololei ʻia ka porridge hydroxyethyl cellulose i ka pena, ma hope o ka hoʻohui ʻana, e hoʻomau i ka hoʻoulu ʻana a hiki i ka hemo loa ʻana.

2. ʻokiʻoki ʻana i ka putty pā

I kēia manawa, aia ʻo Kina i ka hapa nui o ke kūlanakauhale wai kūʻē, kūʻē i ka swab o ka putty pale kaiapuni i lawe nui ʻia e ka poʻe, i kekahi mau makahiki i hala aku nei, no ka mea, ʻo ka putty i hana ʻia i ke kāpili hale e hoʻomālamalama i ka formaldehyde kinoea pōʻino i ke olakino o nā kānaka, hale. Hana ʻia ke kāpili me ka waiʻona polyvinyl a me ka hopena acetal formaldehyde. No laila ua hoʻopau mālie ʻia kēia mea e ka poʻe, a ʻo ka hoʻololi ʻana o kēia mea he cellulose ether moʻo o nā huahana, ʻo ia hoʻi, ka hoʻomohala ʻana i nā mea kūkulu hale mālama kaiapuni, ʻo ka cellulose wale nō ke ʻano mea i kēia manawa.

Hoʻokaʻawale ʻia ka putty kūpaʻa wai i ka putty pauka maloʻo a me ka putty paste ʻelua ʻano, ʻo nā ʻano putty ʻelua e koho maʻamau i ka methyl cellulose a me hydroxypropyl methyl ʻelua ʻano, ʻo ka viscosity kikoʻī maʻamau i 3000-60000cps ma waena o ka mea kūpono loa, i ka hana nui o ka. ʻO ka cellulose i loko o ka putty ka mālama ʻana i ka wai, ka hoʻopaʻa ʻana, ka lubrication, etc.

No ka mea ʻaʻole like ke ʻano putty o kēlā me kēia mea hana, ʻo kekahi he calcium hina, calcium māmā, sima keʻokeʻo, ʻo ka pauka gypsum, calcium hina, calcium māmā, a me nā mea ʻē aʻe, no laila ka kikoʻī kikoʻī a me ka infiltration nui o cellulose o nā ʻano ʻelua. ʻaʻole like, ʻo ka nui o ka hoʻohui ʻana he 2‰-3‰ a i ʻole.

I loko o ka pā pā e hoʻoluhi ʻia me ka hana ʻana o ke keiki, ua loaʻa i ke kumu o ka pā kekahi absorbent (ʻo ka pā pōhaku o ka helu bibulous he 13%, ʻo ka ʻōpala he 3-5%), i hui pū ʻia me ka evaporation o ka honua i waho, no laila inā e luhi me ke keiki ʻOi aku ka wikiwiki o ka lilo ʻana o ka wai, e alakaʻi i ka māwae a i ʻole ka hanana e like me ka pollen, i nāwaliwali ka ikaika o ka putty, no laila, ma hope o ka hui ʻana i ka cellulose ether e hoʻonā i kēia pilikia. Akā ʻo ka maikaʻi o ka hoʻopiha piha ʻana, ʻoi aku ka maikaʻi o ka calcium hina. Ma muli o ka viscosity kiʻekiʻe o ka cellulose, hoʻonui ia i ka buoyancy o ka putty, a pale i ke ʻano o ke kahe e kau ana ma ke kūkulu ʻana, a ʻoi aku ka ʻoluʻolu a me ka mālama ʻana i ka hana ma hope o ka ʻoki ʻana.

3. moka kaka

I loko o ka mīkini palaki, loaʻa loa i ka ikaika loa, pono e hana i ka sima hydration hopena loa, o ka oi aku i loko o ke kauwela, i ke kukulu ana i ka mīkini palaki wai poho wikiwiki loa, piha hydrated ana ma ka ho'ōla wai, keia ala mea he pau o ka wai punawai. ʻO ka hana kūpono ʻole, aia ke kī ma luna o ka ʻili, ʻaʻole i pau ka wai a me ka hydration, no laila nā ala e hoʻoponopono ai i kēia pilikia, I ka mortar concrete ke koho maʻamau e hoʻohui i ka hydroxypropyl methyl cellulose a i ʻole methyl cellulose, nā kikoʻī viscosity ma waena o 20000-60000cps, e hoʻohui i ka nui. o 2‰–3‰ a pēlā paha, hiki ke hoʻonui ʻia ka nui o ka mālama ʻana i ka wai i ʻoi aku ma mua o 85%, ma ka hoʻohana ʻana i ke ʻano o ka hoʻohana ʻana i ke ʻano no ka pauka maloʻo i hui pū ʻia ma hope o ka hoʻohui ʻana i ka wai.

4. gypsum pena, gypsum paʻa, gypsum caulking

Me ka hoʻomohala wikiwiki ʻana o ka ʻoihana kūkulu, ke piʻi nui nei ka noi o nā kānaka no nā mea hale hou i kēlā me kēia lā, ma muli o ka piʻi ʻana o ka ʻike o ka poʻe i ka mālama ʻana i ke kaiapuni a me ka hoʻomaikaʻi mau ʻana o ke kūkulu ʻana, ua ulu wikiwiki nā huahana gypsum cementitious. I kēia manawa, loaʻa i nā waiwai gesso maʻamau ka stucco gesso, caking gesso, hoʻonohonoho i ka gesso, ka mea hoʻoheheʻe tile e kali.

ʻO ka Plaster kahi ʻano maikaʻi loa o ka paia o loko a me ka mea e hoʻopili ai i ka hale, me ka holoi ʻana i ka paia he palupalu a maʻalahi, ʻaʻole e hāʻule i ka pauka, a paʻa ka paʻa kumu, ʻaʻohe mea e haki ai, a he hana pale ahi; ʻO ka gypsum adhesive kahi ʻano hou o ka hoʻopili ʻana i ka papa kukui hale, gypsum ma ke ʻano he kumu kumu, me nā ʻano mea hoʻohui like ʻole a hana ʻia i nā mea paʻa, ua kūpono ia no nā ʻano mea like ʻole o ka pā hale hale inorganic i hoʻopaʻa ʻia, me nā mea ʻawaʻawa ʻole, ʻono ʻole. ka ikaika a me ka hoʻonohonoho wikiwiki, ʻo ka hoʻopaʻa ʻana he papa kūkulu hale, nā mea kākoʻo kūkulu poloka; ʻO ka mea hoʻopihapiha hoʻopihapiha Gypsum he pā gypsum ma waena o nā mea hoʻopiha piha a me ka paia, ka hoʻopiha piha ʻana.

Loaʻa kēia mau huahana gypsum i nā ʻano hana like ʻole, ma kahi o ka gypsum a me nā mea hoʻopihapiha pili e pāʻani i kahi kuleana, ʻo ke kumu koʻikoʻi ʻo ka hoʻohui ʻia o ka cellulose ether additives e pāʻani i ke kuleana alakaʻi. ʻO ka hopena o ka gesso keneta ʻaʻohe wai gesso a me ke keneta o ka hapalua wai gesso, ʻokoʻa nā gesso ʻokoʻa i ka hopena hana o ka huahana, hoʻonui i ka mānoanoa, pale i ka wai, coagulate lohi i ka maikaʻi e hoʻoholo ai i nā mea kūkulu hale gesso. ʻO ka pilikia maʻamau o kēia mau mea ʻo ka hāhā pahu pahu, ʻaʻole i hiki i ka ikaika mua, e hoʻoponopono i kēia pilikia, ʻo ke koho ʻana i ke ʻano o ka cellulose a me ka retarding agent compound hoʻohana i ka pilikia, ma kēia ʻano, ke koho maʻamau o methyl a hydroxypropyl methyl. 30000–60000cps, ʻo ka hoʻohui ʻana i ka nui he 1.5‰–2‰ ma waena, ʻo ka manaʻo o ka cellulose ʻo ka mālama ʻana i ka wai a me ka lubrication retarding.

Eia nō naʻe, i kēia e hilinaʻi i ka cellulose ether no ka mea ʻaʻole hiki i ka retarder, pono e hoʻohui i ka citric acid retarder ma hope o ka hoʻohana ʻana ʻaʻole e pili i ka ikaika mua.

ʻO ka nui o ka hoʻopaʻa ʻana i ka wai e pili ana i ka nui o ka nalowale wai maoli i ka ʻole o ka lawe ʻana i ka wai o waho. Inā maloʻo ka pā, hoʻomohu ka ʻili o ke kumu i ka wai a ʻo ka hoʻoheheʻe maoli ʻana e lilo ka wai i ka wai me ka wikiwiki, a e loaʻa pū kekahi pahu pahu a me nā ʻano haʻalulu.

ʻO kēia ʻano o ka hoʻohana ʻana i ka hui ʻana i ka pauka maloʻo, inā hiki i ka hoʻomākaukau ʻana o ka hopena ke kuhikuhi i ke ʻano hoʻomākaukau o ka hopena.

5. moka hoʻokuʻu

He ʻano hou ʻano mea hoʻoheheʻe wela o ka paia i loko o Kina akau. He mea pā ia i hoʻohui ʻia e ka mea hoʻoheheʻe wela, ka mortar a me ka binder. I loko o kēia mea, he mea nui ka cellulose i ka hoʻopaʻa ʻana a me ka hoʻonui ʻana i ka ikaika. ʻO ka maʻamau, koho ʻia ka methyl cellulose me ka viscosity kiʻekiʻe (ma kahi o 10000eps), a ʻo ke ʻano maʻamau ma waena o 2‰ a me 3‰. ʻO ke ʻano o ka hoʻohana ʻana ʻo ka hui ʻana i ka pauka maloʻo.

6. mea hoʻokalakupua

ʻO ka mea kikowaena ʻo HPMC20000cps, ʻoi aku ka nui o ka pahu tile ma mua o 60000cps, a ua hoʻohana nui ʻia ka mea kikowaena e like me ka mānoanoa, hiki ke hoʻomaikaʻi i ka ikaika tensile a me ka ikaika pua.