ʻO ka Cellulose ether kahi ʻano polymer molekala kiʻekiʻe semi-synthetic non-ionic. Loaʻa iā ia ʻelua ʻano o nā waiwai wai-soluble a me nā waiwai solvent-based. Loaʻa iā ia nā hopena like ʻole ma nā ʻoihana like ʻole. No ka laʻana, i loko o nā mea kūkulu kemika, loaʻa iā ia nā hopena hui like ʻole: ①Mea mālama wai ②Mānoanoa ③Hoʻohaʻahaʻa ④Hoʻokumu kiʻiʻoniʻoni ⑤Binder; i loko o ka ʻoihana PVC, he emulsifier a me ka dispersant; i loko o ka ʻoihana lāʻau lapaʻau, he mea hoʻopaʻa ia a No ka mea he nui nā hopena hui like ʻole o ka cellulose, ʻo ia hoʻi ka mea i hoʻohana nui ʻia. Ma lalo nei e kālele wau i ka hoʻohana a me ka hana o nā cellulose ethers i nā mea kūkulu hale aloha i ke kaiapuni.
1. I loko o ka pena latex
I loko o ka ʻoihana pena latex, pono e koho ʻia ka hydroxyethyl cellulose. ʻO ke kikoʻī maʻamau o ka viscosity ʻo RT30000-50000cps, a ʻo ka nui o ka kuhikuhi ma kahi o 1.5‰-2‰. ʻO ka hana nui o ka hydroxyethyl i loko o ka pena latex, ʻo ia ka hoʻomānoanoa, pale i ka gelation pigment, kōkua i ka hoʻolaha ʻana o ka pigment, latex, a me ke kūpaʻa, a hiki ke hoʻomaikaʻi i ka viscosity o nā ʻāpana a hāʻawi i ka hana hoʻohālikelike o ke kūkulu ʻana: ʻOi aku ka maʻalahi o ka hoʻohana ʻana i ka Hydroxyethyl Ethyl cellulose. Hiki ke hoʻoheheʻe ʻia i loko o ka wai anuanu a me ka wai wela, a ʻaʻole ia e hoʻopilikia ʻia e ka waiwai pH. Hiki ke hoʻohana ʻia ma waena o ka waiwai pH o 2 a me 12. Aia nā ʻano hana ʻekolu:
I. Hoʻohui pololei i ka hana ʻana:
Pono kēia ʻano hana e koho i ke ʻano hydroxyethyl cellulose lohi - hydroxyethyl cellulose me ka manawa hoʻoheheʻe ʻoi aku ma mua o 30 mau minuke. Eia nā ʻanuʻu hoʻohana: ① E hoʻohui i kahi nui o ka wai maʻemaʻe i loko o kahi pahu me kahi mea hoʻonāukiuki kiʻekiʻe ② E hoʻomaka e hoʻoulu mau ma ka wikiwiki haʻahaʻa, a i ka manawa like e hoʻohui mālie a like i ka hui hydroxyethyl i loko o ka hopena ③ E hoʻomau i ka hoʻoulu a hiki i ka hoʻomoʻa ʻia ʻana o nā mea granular āpau ④ E hoʻohui i nā mea hoʻohui ʻē aʻe a me nā mea hoʻohui alkaline, a pēlā aku. ⑤ E hoʻoulu a hiki i ka hoʻoheheʻe loa ʻia ʻana o nā hui hydroxyethyl āpau, E hoʻohui i ke koena o nā mea hoʻohui i loko o ke ʻano hana a wili a hiki i ka pau ʻana.
Ⅱ. Hoʻolako ʻia me ka waiʻona makuahine:
Hiki i kēia ʻano hana ke koho i ke ʻano koke, a loaʻa iā ia ka hopena o ka cellulose anti-mildew. ʻO ka pōmaikaʻi o kēia ʻano hana, ʻoi aku ka maʻalahi o kona loli a hiki ke hoʻohui pololei ʻia i ka pena latex. Ua like ke ʻano hoʻomākaukau me nā ʻanuʻu o ①–④.
I. No ka hoʻomākaukau ʻana i nā waiwai e like me ka porridge:
ʻOiai he mau mea hoʻoheheʻe maikaʻi ʻole nā mea hoʻoheheʻe organik (ʻaʻole hiki ke hoʻoheheʻe ʻia) no nā hui hydroxyethyl, hiki ke hana ʻia nā porridges me kēia mau mea hoʻoheheʻe. ʻO nā mea hoʻoheheʻe organik i hoʻohana pinepine ʻia he mau wai organik i nā ʻano pena latex, e like me ka ethylene glycol, propylene glycol a me nā mea hana kiʻiʻoniʻoni (e like me ka diethylene glycol butyl acetate). Hiki ke hoʻohui pololei ʻia ka porridge hydroxyethyl cellulose i ka pena. E hoʻomau i ka hoʻoulu a hiki i ka wā e hoʻoheheʻe loa ʻia ai.
2, ka putty paia e ʻoki ana
I kēia manawa, ʻo ka putty aloha kaiapuni e kū i ka wai a me ka ʻōpala ma ka hapa nui o nā kūlanakauhale o koʻu ʻāina ua mahalo nui ʻia e ka poʻe. I nā makahiki i hala iho nei, no ka mea, ʻo ka putty i hana ʻia me ke kāpili kūkulu e hoʻopuka i ke kinoea formaldehyde a hōʻino i ke olakino o kānaka, hana ʻia ke kāpili kūkulu i ka polymer. Hoʻomākaukau ʻia ia e ka hopena acetal o ka vinyl alcohol a me ka formaldehyde. No laila, ua hoʻopau mālie ʻia kēia mea e ka poʻe, a ua pani ʻia nā huahana cellulose ether series e kēia mea, ʻo ia hoʻi, ka hoʻomohala ʻana i nā mea kūkulu hale aloha kaiapuni, ʻo ka cellulose wale nō ka mea i kēia manawa.
I loko o ka putty pale wai, ua māhele ʻia i ka putty pauka maloʻo a me ka putty paste. Ma waena o kēia mau ʻano putty ʻelua, ua koho pinepine ʻia ka methyl cellulose i hoʻololi ʻia a me ka hydroxypropyl methyl. ʻO ka kikoʻī viscosity ma waena o 30000-60000cps. ʻO nā hana nui o ka cellulose i loko o ka putty ka paʻa ʻana o ka wai, ka hoʻopaʻa ʻana a me ka lubrication.
ʻOiai he ʻokoʻa nā ʻano putty o nā mea hana like ʻole, ʻo kekahi he calcium hina, calcium māmā, sima keʻokeʻo, a pēlā aku, a ʻo kekahi he pauka gypsum, calcium hina, calcium māmā, a pēlā aku, no laila ke koho nei nā ʻano ʻelua i nā kikoʻī cellulose, ka mānoanoa a me ke komo ʻana. ʻO ka nui o ka hoʻohui ʻana ma kahi o 2‰-3‰.
I ke kūkulu ʻana i ka putty pā scraping, no ka mea, he ʻano omo wai ko ka ʻili kumu o ka pā (ʻo ka nui o ka omo wai o ka pā brick he 13%, a ʻo ka nui o ka omo wai o ka sima he 3-5%), me ka mahu ʻana o ke ao waho, inā nalowale ka putty i ka wai me ka wikiwiki loa, e alakaʻi ia i nā māwae a i ʻole ka wehe ʻana i ka pauka a me nā hanana ʻē aʻe, a laila e hoʻonāwaliwali ana i ka ikaika o ka putty. No kēia kumu, ʻo ka hoʻohui ʻana i ka cellulose ether e hoʻoponopono i kēia pilikia. Akā, ʻo ke ʻano o ka mea hoʻopihapiha, ʻoiai ke ʻano o ka lime calcium, he mea nui loa hoʻi. No ka mea, he kiʻekiʻe ka viscosity o ka cellulose, hoʻonui pū ia i ka buoyancy o ka putty, pale i ka sagging i ka wā o ke kūkulu ʻana, a ʻoi aku ka ʻoluʻolu a me ka mālama ʻana i ka hana ma hope o ke scraping.
3. ʻO ka mortar sima
I loko o ka sima mortar, i mea e loaʻa ai ka ikaika hope loa, pono e hoʻomaʻū piha ʻia ka sima, ʻoiai i ke kūkulu ʻana i ke kauwela, nalowale koke ka wai o ka sima mortar, a lawe ʻia nā ana o ka hydration piha e mālama a kāpīpī i ka wai. ʻO ka hoʻonele ʻana i nā kumuwaiwai a me ka hana pono ʻole, ʻo ke kī ʻo ka wai ma luna wale nō, a ʻaʻole i piha ka hydration kūloko, no laila ʻo ka hopena i kēia pilikia, ʻo ia ka hoʻohui ʻana i ka hydroxypropyl methyl cellulose a i ʻole ka methyl cellulose i ka sima mortar. ʻO ka kikoʻī viscosity ma waena o 20000–60000cps, ʻo ka nui o ka hoʻohui ma kahi o 2‰–3‰, a hiki ke hoʻonui ʻia ka nui o ka paʻa ʻana o ka wai i ʻoi aku ma mua o 85%. ʻO ke ʻano hoʻohana i ka sima mortar, ʻo ia ke kāwili like i ka pauka maloʻo a laila hoʻohui i ka wai.
4. I ka plaster plaster, ka plaster bonding a me ka plaster caulking
Me ka wikiwiki o ka ulu ʻana o ka ʻoihana kūkulu hale, ke piʻi nei hoʻi ka makemake o ka poʻe no nā mea kūkulu hale hou i kēlā me kēia lā. Ma muli o ka piʻi ʻana o ka ʻike o ka poʻe i ka palekana o ke kaiapuni a me ka hoʻomaikaʻi mau ʻana i ka pono o ke kūkulu ʻana, ua ulu wikiwiki nā huahana gypsum sima. I kēia manawa, ʻo nā huahana gypsum maʻamau ka plastering gypsum, bonding gypsum, inlaying gypsum, tile adhesive a pēlā aku.
ʻO ka palaki Stucco kahi ʻano mea palaki kiʻekiʻe no nā paia o loko a me nā hale. ʻO nā paia i palaki ʻia me ia he maikaʻi a laumania, ʻaʻole e hāʻule ka pauka, hoʻopaʻa paʻa i ka substrate, ʻaʻohe māwae a hāʻule, a he pale ahi; he ʻano palaki ka palaki hoʻopaʻa. ʻO kahi ʻano hou o ka mea hoʻopili papa kukui hale he mea pipili i hana ʻia me ka gypsum ma ke ʻano he mea kumu a hoʻohui i nā mea hoʻohui like ʻole. He kūpono ia no ka hoʻopaʻa ʻana ma waena o nā mea paia hale inorganic like ʻole. ʻAʻohe mea ʻawaʻawa, ʻono ʻole, Loaʻa iā ia nā ʻano o ka ikaika mua, ka hoʻonohonoho wikiwiki a me ka hoʻopaʻa ikaika, a he mea kākoʻo no ke kūkulu ʻana i nā papa hale a me nā poloka;
Loaʻa i kēia mau huahana gypsum kahi ʻano hana like ʻole, ma waho aʻe o ke kuleana o ka gypsum a me nā mea hoʻopihapiha e pili ana, ʻo ke kumu nui, ʻo ka cellulose ether auxiliary i hoʻohui ʻia e pāʻani i kahi kuleana alakaʻi. ʻOiai ua māhele ʻia ka gypsum i ka anhydrite a me ka hemihydrate gypsum, he ʻokoʻa nā hopena o nā gypsum like ʻole i ka hana huahana, no laila ʻo ka mānoanoa, ka paʻa ʻana o ka wai a me ka lohi e hoʻoholo ai i ka maikaʻi o nā mea kūkulu gypsum. ʻO ka pilikia maʻamau o kēia mau mea, ʻo ia ka haki hakahaka, a ʻaʻole hiki ke hoʻokō ʻia ka ikaika mua. No ka hoʻoponopono ʻana i kēia pilikia, ʻo ia ka pilikia o ke koho ʻana i ke ʻano o ka cellulose a me ke ʻano hoʻohana hui o ka retarder. Ma kēia ʻano, koho pinepine ʻia ka methyl a i ʻole hydroxypropyl methyl 30000. –60000cps, ʻo ka nui o ka hoʻohui ma waena o 1.5 ‰–2 ‰, ʻo ke kiko o ka cellulose ka paʻa ʻana o ka wai, ka lohi a me ka lubrication.
Eia nō naʻe, ʻaʻole hiki ke hilinaʻi i ka cellulose ether ma ke ʻano he retarder, a pono e hoʻohui i kahi retarder citric acid e kāwili a hoʻohana iā ia i ʻole e hoʻopilikia ʻia ka ikaika mua.
ʻO ka helu paʻa wai e pili ana i ka nalowale kūlohelohe o ka wai i ka loaʻa ʻole o ka omo ʻana o ka wai mai waho. Inā maloʻo loa ka pā, ʻo ka omo ʻana o ka wai a me ka mahu kūlohelohe ma luna o ka ʻili o ke kumu e hoʻolilo koke i ka wai i ka mea, a e hana ʻia ka lua a me ka nahā.
Hoʻohui ʻia kēia ʻano hoʻohana me ka pauka maloʻo. Inā ua hoʻomākaukau ʻia kahi hopena, e ʻoluʻolu e nānā i ke ʻano hoʻomākaukau o ka hopena.
5. ʻO ka mortar insulation
ʻO ka mortar insulation thermal kahi ʻano hou o ka mea insulation thermal pā o loko ma ka ʻāpana ʻākau. He mea paia ia i haku ʻia me ka mea insulation thermal, mortar a me ka mea hoʻopaʻa. Ma kēia mea, he kuleana koʻikoʻi ka cellulose i ka hoʻopili ʻana a me ka hoʻonui ʻana i ka ikaika. Ma ke ʻano laulā, koho i ka methyl cellulose me ka viscosity kiʻekiʻe (ma kahi o 10000eps), ʻo ka dosage ma waena o 2‰-3‰), a ʻo ke ʻano hoʻohana he ʻano hui pauka maloʻo.
6. Luna hoʻopili
ʻO HPNC20000cps ka mea hoʻopili, a ʻoi aku ka nui o ka mea hoʻopili tile ma mua o 60000cps. I loko o ka mea hoʻopili, hoʻohana nui ʻia ia ma ke ʻano he mea hoʻomānoanoa, hiki ke hoʻomaikaʻi i ka ikaika tensile a me ke kū'ē ʻana i ka pua.
Ka manawa hoʻouna: Nov-02-2022