Hana ʻia ka cellulose ether (cellulosic ether) me ka cellulose e ka hopena etherification a me ka pauka maloʻo o hoʻokahi a i ʻole kekahi mau mea etherifying. E like me ka ʻokoʻa kemika o ka ether substituent, cellulose ether hiki ke hoʻokaʻawale i ka anionic, cationic a me ka non-ionic ether. Ionic cellulose ether ka nui o ka carboxymethyl cellulose ether (CMC); Non-ionic cellulose ether ka nui o ka methyl cellulose ether (MC), hydroxypropyl methyl cellulose ether (HPMC) a me ka hydroxyethyl cellulose ether (HC). Hoʻokaʻawale ʻia ka ether non-ionic i loko o ka wai-soluble ether a me ka ʻaila-soluble ether, ʻo ka non-ionic water-soluble ether i hoʻohana nui ʻia i nā huahana mortar. Ma ke alo o ka calcium ions, ʻaʻole paʻa ka ionic cellulose ether, no laila ʻaʻole i hoʻohana ʻia i nā huahana mortar maloʻo i hui pū ʻia me ka sima, ka lime hydrated a me nā mea ʻē aʻe. Hoʻohana nui ʻia ka cellulose ether non-ionic water-soluble i ka ʻoihana kūkulu hale ma muli o kona kūpaʻa paʻa a me ka paʻa ʻana o ka wai.
1. Nā waiwai kemika o ka cellulose ether
Loaʻa i kēlā me kēia cellulose ether ke ʻano kumu o ka cellulose - ke ʻano glucose dehydrated. I ke kaʻina hana o ka cellulose ether, ua wela ka cellulose fiber i ka hopena alkaline mua, a laila mālama ʻia me ka etherifying agent. Hoʻomaʻemaʻe ʻia ka huahana fibrous reaction a hoʻoheheʻe ʻia e hana i kahi pauka like ʻole me kahi ʻano maikaʻi.
I ke kaʻina hana o MC, hoʻohana wale ʻia ka methane chloride ma ke ʻano he etherifying agent. ʻO ka hana HPMC me ka hoʻohana ʻana i ka methane chloride, akā e hoʻohana pū i ka propylene oxide e loaʻa ai ka hydroxypropyl substituent group. He ʻokoʻa ka methyl a me ka hydroxypropyl ethers cellulose e pili ana i ka solubility o cellulose ethers a me nā waiwai o ka wela gel wela.
2. Nā hiʻohiʻona hoʻohana o cellulose ether
ʻO ka cellulose ether kahi polymer semi-synthetic non-ionic, hiki ke hoʻoheheʻe ʻia i ka wai a me ka solvent ʻelua, i nā ʻoihana like ʻole i hana ʻia e ka hana ʻokoʻa, e like me nā mea kūkulu hale kemika, loaʻa iā ia ka hopena hui:
① mea mālama wai ② mea mānoanoa ③ pae 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. ʻO ka mea e pili ana i ka hoʻohana ʻana i ka cellulose ether i nā ʻano mea kūkulu hale a me ke kuleana.
(1) Ma ka pena latex:
Ma ka laina pena latex, e koho i ka hydroxyethyl cellulose, ʻo ka kikoʻī maʻamau o ka viscosity ʻo RT3000-50000cps, pili ia i nā kikoʻī HBR250, ʻo ka helu kuhikuhi maʻamau 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 ka wai anuanu a me ka wai wela, ʻaʻole pili i ka waiwai PH. Hiki ke hoʻohana palekana ʻia ma waena o ka helu PH 2 a me 12. Hoʻohana ʻia nā ʻano ʻekolu ma lalo: No kēia ʻano, pono e koho ʻia ka hydroxyethyl cellulose me kahi manawa hoʻoheheʻe ʻoi aku ma mua o 30 mau minuke. Penei ke kaʻina hana: (1) e kiʻekiʻe e ʻoki i ka pahu blender quantitative wai maʻemaʻe (2) ka ikaika o loko o ka poʻe i hoʻomaka e haʻahaʻa i ka hui ʻana, hydroxyethyl ʻaʻahu mālie i ka manawa like e hui i ka hopena o (3) E hoʻomau i ka hoʻoulu ʻana a hiki i ka hoʻohui ʻana i nā mea hoʻohui ʻē aʻe a me nā mea hoʻohui alkaline (5) a hiki i ka hoʻoheheʻe ʻana o nā hydroxyethyl a pau, e hoʻohui i nā mea ʻē aʻe o ka formula, e wili ana i ka huahana i pau. ⅱ, me ka hoʻohana ʻana i ka waiʻona makuahine: hiki i kēia ʻano ke koho i ke ʻano koke, a loaʻa ka hopena o ka cellulose hōʻoia 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. ⅲ, me ka porridge no ka hoʻohana ʻana: no ka mea, ʻo nā mea hoʻoheheʻe organik he mau mea hoʻoheheʻe maikaʻi ʻole no ka hydroxyethyl (inoluble) no laila hiki iā ʻoe ke hoʻohana i kēia mau mea hoʻoheheʻe 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) Ke kāʻili 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 paʻa wai, ka hoʻopaʻa ʻana, ka lubrication a me nā hopena ʻē aʻe. 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. I loko o ka pauka putty, cellulose ether pono e hoʻohui pono i ka hale hana, ʻoi aku ka maʻalahi o kāna hana ʻana, ʻoi aku ka maʻalahi o ka hoʻopiha ʻana i nā mea a me ka pauka maloʻo kōkua hiki ke hui like, ʻoi aku ka maʻalahi o ke kūkulu ʻana, ʻoi aku ka maʻalahi o ka hoʻoili ʻana i ka wai, pehea ka nui.
(3) ʻO ka mīkini paʻakai:
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 kūponoʻole, aia wale ke kī ma luna o kaʻili,ʻaʻole i piha ka wai a me ka hydration, no laila,ʻo nā ala e hoʻoponopono ai i kēia pilikia, E hoʻohui iʻewalu wai-paʻa wai cellulose i loko o ka mortar concrete e koho i ka hydroxypropyl methyl a iʻole ka methyl cellulose, nā kiko'ī viscosity i 20000- 60000cps ma waena, hoʻohui i 2%-3%. E pili ana, hiki ke hoʻonui ʻia ka nui o ka mālama ʻana i ka wai i ʻoi aku ma mua o 85%, ma ka mortar concrete use method no ka pauka maloʻo i hui pū ʻia ma hope o ka waha i ka wai.
(4)Gypsumka hamo, ka hamo hoʻopaʻa ʻana, ka hamo hoʻoheheʻe:
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 plastering plaster kahi ʻano maikaʻi maikaʻi o ka paia o loko a me nā mea hoʻoheheʻe hale, me ka holoi ʻana i ka paia a palupalu a maʻalahi, mai hoʻokuʻu i ka pauka a me ka paʻa paʻa paʻa, ʻaʻohe mea ʻokiʻoki, 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, a me nā ʻano mea like ʻole o ka hoʻohui ʻana i ka waha waha ikaika i hana ʻia i nā mea adhesive, kūpono ia no nā ʻano mea pā hale inorganic ma waena o ka paʻa, me nā mea ʻawaʻawa ʻole. , ʻono ʻole, hoʻonohonoho wikiwiki ka ikaika mua, 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. Ma muli o ka māhele ʻana o gesso me ka wai ʻole o ka gesso a me ke keneta o ka hapa wai gesso, ʻokoʻa ka 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. ʻO ka pilikia maʻamau o kēia mau mea ʻo ka hāhā pahu pahu, ʻaʻole hiki i ka ikaika mua, e hoʻoponopono i kēia pilikia, ʻo ke koho ʻana i ke ʻano o ka cellulose a me ka retarder compound hoʻohana i ka pilikia ala, ma kēia ʻano, ke koho maʻamau o methyl a hydroxypropyl methyl. 30000–60000cps, ʻo ka hoʻohui ʻana he 1.5%-2%. Ma waena, ʻo ke kiko o ka cellulose ka paʻa ʻana o ka wai a me ka lubrication condensation lohi. 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) ʻO ka mīkini hoʻokaʻawale
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 hoʻohana pili
ʻO ka mea kikowaena ʻo HPMC200000cps, 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. I loko o ka tile hoʻopaʻa ʻana i ka wai e hoʻopaʻa ai i ka tile mai ka nalowale ʻana o ka wai me ka wikiwiki.
3. kaulahao hana
(1) ʻOihana ma luna
ʻO nā mea waiwai nui no ka hana ʻana i ka cellulose ether me ka pulupulu hoʻomaʻemaʻe (a i ʻole ka pulp lāʻau) a me kekahi mau mea hoʻoheheʻe kemika maʻamau, e like me propylene oxide, chloromethane, wai alkali, papa alkali, ethylene oxide, toluene a me nā mea kōkua ʻē aʻe. ʻO nā ʻoihana o luna o kēia ʻoihana e pili ana i ka pulupulu hoʻomaʻemaʻe, nā ʻoihana hana pulp lāʻau a me kekahi mau ʻoihana kemika. ʻO ka hoʻololi ʻana o ke kumukūʻai o nā kumu waiwai nui i ʻōlelo ʻia ma luna nei e loaʻa nā hopena like ʻole i ke kumukūʻai hana a me ke kumukūʻai kūʻai aku o cellulose ether.
He kiʻekiʻe ke kumukūʻai pulupulu hoʻomaʻemaʻe. ʻO ka lawe ʻana i nā mea hana hale cellulose ether ma ke ʻano he laʻana, i ka wā o ka hōʻike ʻana, ʻo ke kumukūʻai o ka pulupulu hoʻomaʻemaʻe ʻia i nā kumu kūʻai hale cellulose ether he 31.74%, 28.50%, 26.59% a me 26.90%. ʻO ke kumukūʻai o ka pulupulu i hoʻomaʻemaʻe ʻia e pili i ke kumu kūʻai o ka cellulose ether. ʻO ka mea maka nui o ka hana ʻana i ka pulupulu hoʻomaʻemaʻe ʻia ʻo ia ka pulupulu staple. ʻO ka pulupulu staple kekahi o nā huahana i ka hana pulupulu, hoʻohana nui ʻia e hana i ka pulupulu pulupulu, ka pulupulu hoʻomaʻemaʻe, nitrocellulost a me nā huahana ʻē aʻe. ʻOkoʻa ka waiwai hoʻohana a me ka hoʻohana ʻana i ka pulupulu ma mua o ka pulupulu, a ʻoi aku ka haʻahaʻa o kona kumukūʻai ma mua o ka pulupulu, akā aia kekahi pilina me ka fluctuation o ke kumukūʻai pulupulu. E pili ana ke kumukūʻai o ka pulupulu staple i ke kumukūʻai o ka pulupulu hoʻomaʻemaʻe.
ʻO ka hoʻololi ikaika o ke kumukūʻai pulupulu hoʻomaʻemaʻe e hoʻopilikia i ke kumukūʻai hana, ke kumu kūʻai huahana a me ka loaʻa kālā o nā ʻoihana i kēia ʻoihana i nā pae like ʻole. I ka hihia o ke kumukūʻai pulupulu hoʻomaʻemaʻe kiʻekiʻe a me ke kumu kūʻai pulp lāʻau he mea maʻalahi, i mea e hōʻemi ai i nā kumukūʻai, hiki ke hoʻohana ʻia ka pulp lāʻau ma ke ʻano he pulupulu i hoʻomaʻemaʻe ʻia a hoʻohui ʻia, hoʻohana nui ʻia no ka hana ʻana i ka lāʻau lapaʻau cellulose ether a me nā viscosity haʻahaʻa. cellulose etera. I ka makahiki 2013, kanu ʻo Kina i 4.35 miliona mau ʻeka o ka pulupulu a hana i 6.31 miliona mau toni o ka pulupulu, e like me ka pūnaewele o ka National Bureau of Statistics. Wahi a nā helu helu o China Cellulose Industry Association, i ka makahiki 2014, ʻo ka huina o ka pulupulu i hoʻomaʻemaʻe ʻia o nā ʻoihana hoʻouluulu hoʻomaʻemaʻe nui i loko o ka home he 332,000 tons, me ka lako o nā lako maka.
(2) cellulose ether downstream 'oihana kūlana
ʻO ka cellulose ether ma ke ʻano he "MONOsodium glutamate ʻoihana", ʻo ka cellulose ether e hoʻohui ana i ka haʻahaʻa he haʻahaʻa, kahi ākea o nā noi, nā ʻoihana iho i hoʻopuehu ʻia ma nā ʻano āpau o ke ola o ka ʻāina.
Ma lalo o nā kūlana maʻamau, ʻo ka ʻoihana kūkulu lalo a me ka ʻoihana waiwai e loaʻa i kekahi hopena i ka ulu ʻana o ka noi o nā mea kūkulu hale cellulose ether. Ke ʻoi aku ka wikiwiki o ka ulu ʻana o ka ʻoihana kūkulu hale a me ka ulu ʻana o ka ʻoihana waiwai, ʻoi aku ka wikiwiki o ka mākeke kūloko no ke kūkulu ʻana i nā lako cellulose ether. I ka wā e lohi ai ka ulu ʻana o ka ʻoihana kūkulu hale a me ka ʻoihana waiwai, ʻo ka ulu ʻana o ka noi no nā mea kūkulu hale papa cellulose ether i loko o ka mākeke home e lohi, e hoʻoikaika i ka hoʻokūkū ma ka ʻoihana, a me ka wikiwiki o ke ola. o ke kaʻina hana kūpono o nā ʻoihana ma ka ʻoihana.
Mai ka makahiki 2012, ma lalo o ke kaiapuni o ka lohi ʻana o ka ulu ʻana o ka ʻoihana kūkulu hale a me ka ʻoihana waiwai, ʻaʻole i loli nui ka noi no nā mea kūkulu hale cellulose ether i ka mākeke kūloko. ʻO nā kumu nui penei: 1. ʻO ka nui holoʻokoʻa o ka ʻoihana kūkulu hale a me ka ʻoihana waiwai he nui, a ʻo ka nui o ka noi ma ka mākeke; ʻO ka mākeke mea kūʻai nui o nā mea kūkulu hale cellulose ether mai nā wahi i hoʻomohala ʻia a me nā kūlanakauhale ʻo ka papa mua a me ka lua, e hoʻonui mālie i ka Midwest a me ke kolu o nā kūlanakauhale ʻāpana, koi ʻia ka ulu ʻana o ka home a me ka hoʻonui ākea; ʻElua, ʻo ka nui o ka cellulose ether i hoʻohui ʻia i ke kumu kūʻai o nā mea kūkulu hale he haʻahaʻa haʻahaʻa, ʻo ka nui o ka mea kūʻai aku hoʻokahi he liʻiliʻi, hoʻopuehu nā mea kūʻai aku, maʻalahi e hana i ka koi paʻa, ʻo ka nui o ka noi o ka mākeke o lalo he paʻa; ʻEkolu, ʻo ka hoʻololi ʻana o ke kumukūʻai o ka hale kūʻai hale e pili ana i ka cellulose ether koi i ka hoʻololi ʻana, nā mea koʻikoʻi i ka pae cellulose ether mai 2012, ʻoi aku ka nui o ka emi ʻana o ke kumukūʻai hale, ʻoi aku ka nui o nā huahana kiʻekiʻe i ka hāʻule ʻana o ke kumukūʻai, ʻoi aku ka nui o nā mea kūʻai aku i ke koho. hoʻonui i ka noi no nā huahana kiʻekiʻe i loko o ka, a squeezing i ka maʻamau type huahana market noi a me ke kumukuai wahi.
ʻO ka hoʻomohala ʻana o ka ʻoihana lāʻau lapaʻau a me ka ulu ʻana o ka ʻoihana lāʻau lapaʻau e pili i ka hoʻololi koi o ka cellulose ether pharmaceutical grade. ʻO ka hoʻomaikaʻi ʻana i ke kūlana ola o ka poʻe a me ka ʻoihana meaʻai i hoʻomohala ʻia e hoʻokele i ka noi mākeke no ka cellulose ether meaʻai.
6. Ka ulu ana o ka cellulose ether
Ma muli o ka loaʻa ʻana o ka mākeke cellulose ether no nā ʻokoʻa ʻokoʻa, ka hoʻokumu ʻana o ka ikaika o nā ʻoihana like ʻole e noho pū. I ka nānā ʻana i nā hiʻohiʻona ʻokoʻa ʻokoʻa o ka noi mākeke, hui pū nā mea hana cellulose ether home me ko lākou ikaika ponoʻī e lawe i kahi hoʻolālā hoʻokūkū ʻē aʻe, a me ka ʻike maikaʻi ʻana i ke ʻano hoʻomohala a me ke kuhikuhi o ka mākeke.
(1) e hōʻoia i ka paʻa ʻana o ka maikaʻi o ka huahana, ʻo ia nō nā wahi hoʻokūkū koʻikoʻi o nā ʻoihana cellulose ether
ʻO ka cellulose ether i ka ʻoihana ka hapa nui o nā ʻoihana i lalo i ke kumukūʻai hana he liʻiliʻi, akā ʻoi aku ka maikaʻi o ka huahana. Waena a kiʻekiʻe-hopena mea kūʻai pūʻulu ma ka hoʻohana 'ana i ka momoku ahi o cellulose etera kükohu ma mua, e hele ma ka hoʻokolohua formula. Ma hope o ka hoʻokumu ʻana i kahi ʻano paʻa, ʻaʻole maʻalahi ka maʻalahi o ka hoʻololi ʻana i nā huahana ʻē aʻe, akā hāʻawi pū kekahi i nā koi kiʻekiʻe no ka paʻa o ka cellulose ether. ʻOi aku ka kaulana o kēia ʻano i loko o nā ʻoihana hale nui a me nā ʻāina ʻē aʻe, nā lako lāʻau lapaʻau, nā meaʻai meaʻai, PVC a me nā māla kiʻekiʻe. I mea e hoʻomaikaʻi ai i ka hoʻokūkū o nā huahana, pono nā mea hana e hōʻoia i ka hāʻawi ʻana i nā ʻāpana like ʻole o ka cellulose ether hiki ke mālama i ka paʻa o ka maikaʻi, i mea e hana ai i kahi inoa maikaʻi o ka mākeke.
(2) No ka hoʻomaikaʻi ʻana i ka pae ʻenehana o ka noi huahana ʻo ia ke kuhikuhi hoʻomohala o nā ʻoihana cellulose ether home
I ka hihia o ka ʻenehana hana cellulose ether e ulu nui ana, ʻoi aku ka kiʻekiʻe o ka ʻenehana noiʻi e kōkua i nā ʻoihana e hoʻomaikaʻi i ka hoʻokūkū holoʻokoʻa, ka hoʻokumu ʻana i nā pilina pili paʻa. ʻO nā ʻoihana cellulose ether kaulana i nā ʻāina hoʻomohala e hoʻohana nui i ka hoʻolālā hoʻokūkū o "ke alo i nā mea kūʻai aku kiʻekiʻe kiʻekiʻe + ka hoʻomohala ʻana i ka hoʻohana ʻana a me ka hoʻohana ʻana i lalo", hoʻomohala i ka cellulose ether hoʻohana a hoʻohana i ke ʻano, a hoʻonohonoho i kahi ʻano o nā huahana e like me nā ʻāpana ʻokoʻa. kahua noi e hoʻomaʻamaʻa i ka hoʻohana ʻana i nā mea kūʻai aku, a me ka hoʻoulu ʻana i ka noi ma lalo o ka mākeke. ʻO ka hoʻokūkū o nā ʻoihana cellulose ether i nā ʻāina hoʻomohala ua komo i ke kahua o ka ʻenehana noiʻi mai ka huahana.
Ka manawa hoʻouna: Mar-04-2022