1. He aha ka hoʻohana nui o ka cellulose?
HPMChoʻohana nui ʻia i nā mea hana, nā uhi, nā resins synthetic, keramika, lāʻau lapaʻau, meaʻai, textiles, mahiʻai, mea hoʻonaninani, paka a me nā ʻoihana ʻē aʻe. Hiki ke hoʻokaʻawale ʻia ka HPMC i ka papa ʻoihana, ka papa meaʻai a me ka papa lāʻau lapaʻau e like me ka noi.
2. Nui nā ʻano cellulose, a he aha nā ʻokoʻa o kā lākou hoʻohana ʻana?
Hiki ke hoʻokaʻawale ʻia ka HPMC i ke ʻano koke (ka inoa inoa inoa "S") a me ke ʻano wela-melt. Puka koke nā huahana ʻano ʻano koke i ka wai anuanu a nalowale i loko o ka wai. I kēia manawa, ʻaʻohe viscosity o ka wai no ka mea ua hoʻopuehu wale ʻia ka HPMC i ka wai me ka ʻole o ka hemo maoli. Ma kahi o (hoʻoulu) no 2 mau minuke, piʻi mālie ka viscosity o ka wai, e hana ana i kahi colloid viscous keʻokeʻo. ʻO nā huahana hoʻoheheʻe wela, ke hālāwai me ka wai anuanu, hiki ke hoʻopuehu koke i ka wai wela a nalowale i ka wai wela. Ke hāʻule ka mahana i kahi mahana (e like me ka mahana gel o ka huahana), e ʻike mālie ka viscosity a hiki i ka hana ʻana i kahi colloid viscous transparent.
3. He aha nā ʻano o ka hoʻoheheʻe ʻana i ka cellulose?
1). Hiki ke hoʻohuiʻia nā hiʻohiʻona a pau i ka mea ma ka hui maloʻo;
2). I ka wā e pono e hoʻohui pono i ka maʻamau aqueous solution, ʻoi aku ka maikaʻi o ka hoʻohana ʻana i ke ʻano dispersion wai anuanu. He 1-30 mau minuke e mānoanoa ma hope o ka hoʻohui ʻana (hoʻoulu a hoʻoulu)
3). Hoʻopili muaʻia nāʻano maʻamau a hoʻopuehuʻia me ka wai wela, a laila e hoʻoheheʻeʻia i loko o ka wai anuanu ma hope o ka hoʻouluʻana a me ka hoʻomaha;
4). Inā loaʻa ka agglomeration i ka wā o ka hoʻoheheʻe ʻana, no ka lawa ʻole o ka hoʻoulu ʻana a i ʻole ke hoʻohui pololei ʻia ke kumu hoʻohālike maʻamau i ka wai anuanu. I kēia manawa, pono e hoʻoulu koke. ka
5). Inā hoʻokumu ʻia nā ʻōpala i ka wā o ka hoʻoheheʻe ʻana, hiki ke waiho ʻia e kū no 2-12 mau hola (ua hoʻoholo ʻia ka manawa kikoʻī e ka kūlike o ka hopena) a i ʻole e hoʻoneʻe ʻia e ka momi, pressurizing, etc. ka
4. Pehea e hoʻoholo ai i ka maikaʻi o ka cellulose maʻalahi a intuitively?
1) ʻO ke keʻokeʻo, ʻoiai ʻaʻole hiki i ka keʻokeʻo ke hoʻoholo inā he maʻalahi ka HPMC e hoʻohana, a inā hoʻohui ʻia nā mea keʻokeʻo i ke kaʻina hana, e hoʻopilikia ia i kona ʻano, akā ʻo ka hapa nui o nā huahana maikaʻi he keʻokeʻo maikaʻi.
2) Fineness: ʻO ka maikaʻi oHPMCʻO ka maʻamau he 80 mesh a me 100 mesh, ʻoi aku ka liʻiliʻi o 120 mesh, ʻoi aku ka maikaʻi o ka ʻoi aku ka maikaʻi.
3) Ka hoʻouna māmā: Ma hope o ka hoʻokomo ʻia ʻana o ka HPMC i loko o ka wai e hana i kahi colloid māmā, e nānā i kāna transmittance māmā. ʻOi aku ka nui o ka māmā māmā, ʻoi aku ka maikaʻi, e hōʻike ana he liʻiliʻi nā insolubles i loko, a ʻoi aku ka maikaʻi o ka transmittance o nā reactors vertical. , 'Oi aku ka hewa o ka reactor horizontal, akā,'a'ole ia he 'oi aku ka maika'i o ka reactor vertical ma mua o ka reactor horizontal, a he nui nā kumu e ho'oholo ai i ka maika'i o ka huahana.
4) Kaumaha kikoʻī: ʻO ka nui o ka umekaumaha kikoʻī, ʻoi aku ka ʻoi aku ka maikaʻi. ʻOi aku ka kiʻekiʻe o ka gravity kikoʻī, ʻoi aku ka kiʻekiʻe o ka hydroxypropyl content i loko o ka huahana. ʻOi aku ka nui o ka hydroxypropyl content, ʻoi aku ka maikaʻi o ka mālama ʻana i ka wai.
5. He aha ka nui o ka cellulose i loko o ka pauka putty?
ʻO ka nui o ka HPMC i hoʻohana ʻia i nā noi kūpono e pili ana i ke aniau, ka mahana, ka maikaʻi o ka calcium lehu kūloko, ke ʻano o ka pauka putty a me ka maikaʻi i koi ʻia e nā mea kūʻai. Aia nā ʻokoʻa ma nā wahi like ʻole, ma ka ʻōlelo maʻamau, aia ma waena o 4-5 kg.
6. He aha ka viscosity kūpono o cellulose?
ʻO ka maʻamau, ua lawa ka pauka putty 100,000, a ʻoi aku ka kiʻekiʻe o ke koi i ka mortar, a pono ʻo 150,000 e maʻalahi e hoʻohana. Eia kekahi, ʻo ka hana nui o ka HPMC ʻo ka mālama ʻana i ka wai, a ukali ʻia e ka mānoanoa. I ka pauka putty, ʻoiai he maikaʻi ka paʻa ʻana o ka wai a haʻahaʻa ka viscosity (7-8), hiki nō hoʻi. ʻOiaʻiʻo, ʻoi aku ka kiʻekiʻe o ka viscosity, ʻoi aku ka maikaʻi o ka paʻa wai pili. Ke ʻoi aku ka viscosity ma mua o 100,000, ʻaʻohe hopena o ka viscosity i ka mālama ʻana i ka wai. nui.
7. He aha nā hōʻailona ʻenehana nui o cellulose?
Hydroxypropyl maʻiʻo
Maʻiʻo methyl
viscosity
Lehu
Pohō ma ka maloʻo
8. He aha nā mea maka nui o ka cellulose?
ʻO nā mea waiwai nui o ka HPMC: ka pulupulu hoʻomaʻemaʻe, methyl chloride, propylene oxide, wai wai caustic soda, etc.
9. He aha ka hana nui o ka hoʻohana ʻana i ka cellulose i ka pauka putty? Aia kekahi hopena kemika?
Ma waena o ka pauka putty, hoʻokani ʻo ia i ʻekolu hana o ka mānoanoa, paʻa wai a me ke kūkulu ʻana. ʻO ka mānoanoa, hiki i ka cellulose ke mānoanoa a hiki ke hoʻokuʻu ʻia, e hoʻopaʻa i ka hoʻonā ʻaʻahu i luna a i lalo, a pale aku i ka haʻalulu. Ka paʻa ʻana o ka wai: e hoʻomaloʻo mālie i ka pauka putty, a kōkua i ka calcium lehu e hana ma lalo o ka hana o ka wai. Hana: He hopena lubricating ka Cellulose, hiki ke hana i ka pauka putty i ke kūkulu maikaʻi. ʻAʻole komo ʻo HPMC i nā hopena kemika, akā he hana kōkua wale nō.
10. ʻO ka cellulose he cellulose ether non-ionic, no laila he aha ka non-ionic?
Ma ka ʻōlelo a ka poʻe kamaʻāina, ʻaʻole komo nā mea inert i nā hopena kemika.
ʻO ka CMC (carboxymethyl cellulose) he cationic cellulose, no laila e lilo ia i pī pīni ke hālāwai ʻo ia i ka calcium lehu.
11 He aha ka pili ana o ka wela gel o cellulose?
ʻO ka mahana gel o HPMC e pili ana i kona methoxy content, ʻo ka haʻahaʻa o ka methoxy content, ʻoi aku ka kiʻekiʻe o ka mahana gel.
12. Aia kekahi pilina ma waena o ka nalowale pauda o ka pauda putty a me ka cellulose?
Aia nā pilina! ! ! ʻO ia hoʻi, ʻo ka paʻa ʻole ʻana o ka wai o ka HPMC e lilo ai ka pauka (ʻo ka ʻike o nā mea e like me ka lehu, ka calcium kaumaha, a me ka sima, ka mahana o ke kūkulu ʻana, a me ke kūlana o ka pā).
13. He aha ka ʻokoʻa ma waena o ka wai anuanu a me ka cellulose hikiwawe wela i ka hana hana?
ʻO ka wai anuanu ʻano HPMC ua mālama ʻia me ka glyoxal, a hoʻopuehu koke i ka wai anuanu, akā ʻaʻole ia e hoʻoheheʻe maoli. Hoʻoheheʻe wale ia ke piʻi ka viscosity. ʻAʻole mālama ʻia nā ʻano melt wela me ka glyoxal. Inā nui ka nui o ka glyoxal, e wikiwiki ka hoʻopuehu ʻana, akā e piʻi mālie ka viscosity, a inā liʻiliʻi ka nui, ʻo ia ka ʻaoʻao.
14. No ke aha he pilau ka cellulose?
ʻO ka HPMC i hana ʻia e ke ʻano solvent e hoʻohana i ka toluene a me ka isopropanol e like me nā solvents. Inā ʻaʻole maikaʻi loa ka holoi ʻana, loaʻa kekahi ʻala i koe. (ʻO ka hoʻihoʻi ʻana o ka neutralization ka hana nui o ka ʻala)
15. Pehea e koho ai i ka cellulose kūpono no nā kumu like ʻole?
ʻO ka pauka Putty: pono ka mālama wai kiʻekiʻe, maʻalahi ke kūkulu ʻana
ʻO ka mortar maʻamau i hoʻokumu ʻia i ka sima: pono ka mālama ʻana i ka wai kiʻekiʻe, ke kūpaʻa wela kiʻekiʻe, a me ka viscosity koke
Ka hoʻohana ʻana i ke kāpili kūkulu: nā huahana koke me ka viscosity kiʻekiʻe. (papa ʻia
Gypsum mortar: ka paʻa wai kiʻekiʻe, ka liʻiliʻi a me ka viscosity haʻahaʻa, ka piʻi koke ʻana o ka viscosity
16. He aha kekahi inoa o ka cellulose?
Kuhi ʻia ʻo HPMC a i ʻole MHPC alias hypromellose, cellulose hydroxypropyl methyl ether.
17. ʻO ka hoʻohana ʻana i ka cellulose i loko o ka pauka putty, he aha ke kumu o nā ʻōhū i loko o ka pauda putty?
I ka pauka putty, hoʻokani ʻo HPMC i ʻekolu hana o ka mānoanoa, paʻa wai a me ke kūkulu ʻana. ʻO nā kumu o nā'ōpū:
1. Hoʻohui nui ʻia ka wai.
2. ʻAʻole maloʻo ka papa lalo, e ʻoki wale i kahi papa ʻē aʻe ma luna, a maʻalahi ka huʻa.
18. He aha ka ʻokoʻa ma waena o cellulose a me MC:
ʻO ka MC ka methyl cellulose, ka mea i hana ʻia me ka cellulose ether ma o ka mālama ʻana i ka pulupulu i hoʻomaʻemaʻe ʻia me ka alkali, me ka hoʻohana ʻana i ka methane chloride ma ke ʻano he etherification agent, a me ke ʻano o nā hopena. ʻO ka maʻamau, ʻo ke degere o ka hoʻololi ʻana he 1.6-2.0, a ʻokoʻa ka solubility me nā pae like ʻole o ka hoʻololi. ʻOkoʻa, no ka non-ionic cellulose ether.
(1) ʻO ka paʻa ʻana o ka wai o ka methylcellulose e pili ana i kona nui hoʻohui, viscosity, ʻoi aku ka maikaʻi a me ka helu dissolution. ʻO ka maʻamau, inā nui ka hoʻohui, liʻiliʻi ka fineness, a nui ka viscosity, kiʻekiʻe ka nui o ka paʻa ʻana o ka wai. Ma waena o lākou, ʻoi aku ka hopena o ka hoʻohui ʻana i ka nui o ka mālama wai kanaka. ʻAʻole kūlike ka viscosity i ka nui o ka mālama ʻana i ka wai. ʻO ka nui o ka hoʻoheheʻe ʻana ma muli o ka ʻili o nā ʻāpana cellulose. Degere o ka hoʻololi ʻana a me ka maikaʻi o nā ʻāpana. Ma waena o nā cellulose ethers i luna, ʻoi aku ka kiʻekiʻe o ka paʻa wai o ka methyl cellulose a me Jinshuiqiao cellulose.
(2) Hiki ke hoʻoheheʻe ʻia ka Methylcellulose i ka wai anuanu, a paʻakikī ke hoʻoheheʻe i ka wai wela. Paʻa loa kona hāʻina wai ma ka laulā o ph=3-12. He kūpono maikaʻi me ka starch, etc. a me nā surfactants he nui. Ke hiki i ka wela Ke hiki i ka mahana gelation, e hana ʻia ka gelation.
(3) Hoʻololi koʻikoʻi ka hoʻololi ʻana i ka mahana i ka nui o ka mālama ʻana i ka wai o ka methyl cellulose. ʻO ka maʻamau, ʻoi aku ka kiʻekiʻe o ka mahana, ʻoi aku ka maikaʻi o ka paʻa wai. Inā ʻoi aku ka mahana o ka mortar ma mua o 40 degere, e hoʻemi nui ʻia ka paʻa ʻana o ka wai o ka methyl cellulose, kahi e hoʻopilikia nui ai i ke kūkulu ʻana o ka mortar.
(4)Methyl cellulosehe hopena koʻikoʻi i ke kūkulu ʻana a me ka hoʻopili ʻana o ka mortar. ʻO ka hoʻopili ʻana ma ʻaneʻi e pili ana i ka ikaika hoʻopili i manaʻo ʻia ma waena o ka mea hoʻopili a ka mea hana a me ka substrate o ka pā, ʻo ia hoʻi, ka pale ʻana o ka mortar. He kiʻekiʻe ka adhesiveness, he nui ka pale ʻana o ka mortar, a ʻo ka ikaika i koi ʻia e ka poʻe hana i ka hana o ka hoʻohana ʻana he nui nō hoʻi, a ʻo ka hana ʻana o ka mortar he ʻilihune.
Ka manawa hoʻouna: Apr-25-2024