1. He aha ka hoʻohana nui ʻana o ka cellulose?
HPMCHoʻohana nui ʻia i nā mea kūkulu hale, nā uhi, nā resins synthetic, nā keramika, nā lāʻau lapaʻau, ka meaʻai, nā lole, ka mahiʻai, nā mea hoʻonani, ka 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 ke noi.
2. Aia kekahi mau ʻano cellulose, a he aha nā ʻokoʻa o kā lākou hoʻohana ʻana?
Hiki ke hoʻokaʻawale ʻia ka HPMC i ke ʻano koke (ka hopena inoa inoa "S") a me ke ʻano hoʻoheheʻe wela. Hoʻopuehu koke nā huahana ʻano koke i ka wai anuanu a nalowale i loko o ka wai. I kēia manawa, ʻaʻohe mānoanoa o ka wai no ka mea ua hoʻopuehu wale ʻia ka HPMC i loko o ka wai me ka ʻole o ka hoʻoheheʻe maoli ʻana. Ma kahi o (e hoʻouluulu ana) no 2 mau minuke, piʻi mālie ka mānoanoa o ka wai, e hana ana i kahi colloid viscous keʻokeʻo moakaka. ʻO nā huahana hoʻoheheʻe wela, i ka wā e hālāwai ai 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 ʻia ka mānoanoa a hiki i ka wā e hana ai i kahi colloid viscous moakaka.
3. He aha nā ʻano hana no ka hoʻoheheʻe ʻana i ka cellulose?
1). Hiki ke hoʻohui ʻia nā hiʻohiʻona āpau i ka mea ma o ka hui maloʻo ʻana;
2). Ke pono e hoʻohui pololei ʻia i ka hopena wai mahana maʻamau, ʻoi aku ka maikaʻi o ka hoʻohana ʻana i ke ʻano hoʻopuehu wai anuanu. ʻO ka maʻamau he 1-30 mau minuke e mānoanoa ma hope o ka hoʻohui ʻana (e hoʻoulu a hoʻoulu)
3). Hoʻoulu mua ʻia nā hiʻohiʻona maʻamau a hoʻopuehu ʻia me ka wai wela, a laila hoʻoheheʻe ʻia i ka wai anuanu ma hope o ka hoʻoulu ʻana a me ka hoʻomaʻalili ʻana;
4). Inā hana ʻia ka hoʻohuihui ʻana i ka wā o ka hoʻoheheʻe ʻana, no ka mea ʻaʻole lawa ka hoʻoulu ʻana a i ʻole ua hoʻohui pololei ʻia ke kumu hoʻohālike maʻamau i ka wai anuanu. I kēia manawa, pono e hoʻoulu koke ʻia. ka
5). Inā hoʻoulu ʻia nā pehu i ka wā o ka hoʻoheheʻe ʻana, hiki ke waiho ʻia no 2-12 mau hola (ua hoʻoholo ʻia ka manawa kikoʻī e ke kūlike o ka hopena) a i ʻole e wehe ʻia ma ka vacuuming, pressurizing, etc., a hiki ke hoʻohui ʻia kahi nui kūpono o ka mea defoaming.
4. Pehea e hoʻoholo ai i ka maikaʻi o ka cellulose me ka maʻalahi a me ka naʻauao?
1) Ke keʻokeʻo, ʻoiai ʻaʻole hiki i ke keʻokeʻo ke hoʻoholo inā maʻalahi ka hoʻohana ʻana o HPMC, a inā hoʻohui ʻia nā mea hoʻokeʻokeʻo i ke kaʻina hana, e hoʻopilikia ia i kona ʻano, akā ʻo ka hapa nui o nā huahana maikaʻi he keʻokeʻo maikaʻi.
2) Maikaʻi: ʻO ka maikaʻi oHPMCma ke ʻano laulā he 80 mesh a me 100 mesh, ʻoi aku ka liʻiliʻi o 120 mesh, ʻoi aku ka maikaʻi o ka maikaʻi.
3) Ka hoʻoili ʻana o ka mālamalama: Ma hope o ke kau ʻia ʻana o HPMC i loko o ka wai e hana i kahi colloid moakaka, e nānā i kona hoʻoili ʻana o ka mālamalama. ʻOi aku ka nui o ka hoʻoili ʻana o ka mālamalama, ʻoi aku ka maikaʻi, e hōʻike ana he emi ka nui o nā mea hiki ʻole ke hoʻoheheʻe ʻia i loko, a maikaʻi ka hoʻoili ʻana o nā reactors kū pololei. , ʻOi aku ka ʻino o ka reactor horizontal, akā ʻaʻole ia he manaʻo he ʻoi aku ka maikaʻi o ka maikaʻi o ka reactor vertical ma mua o ka reactor horizontal, a he nui nā mea e hoʻoholo ai i ka maikaʻi o ka huahana.
4) Ke kaumaha kikoʻī: ʻOi aku ka nui o ke kaumaha kikoʻī, ʻoi aku ka maikaʻi o ke kaumaha. ʻOi aku ke kiʻekiʻe o ke kaumaha kikoʻī, ʻoi aku ka nui o ka hydroxypropyl i loko o ka huahana. ʻOi aku ke kiʻekiʻe o ka hydroxypropyl, ʻoi aku ka maikaʻi o ka paʻa ʻana o 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 hana kūpono e pili ana i ke aniau, ka mahana, ka maikaʻi o ka calcium lehu kūloko, ke ʻano o ka pauka putty a me ke ʻano e pono ai nā mea kūʻai aku. Aia nā ʻokoʻa ma nā wahi like ʻole, ma ke ʻano laulā, ma waena o 4-5 kg.
6. He aha ka mānoanoa kūpono o ka cellulose?
Ma keʻano laulā, ua lawa ka pauka putty 100,000, a ʻoi aku ke kiʻekiʻe o ke koi i loko o ka mortar, a pono ia he 150,000 e maʻalahi ai ka hoʻohana. Eia kekahi, ʻo ka hana nui loa o HPMC ka paʻa ʻana i ka wai, a ukali ʻia e ka mānoanoa. I loko o ka pauka putty, inā maikaʻi ka paʻa ʻana o ka wai a haʻahaʻa ka viscosity (7-8), hiki nō hoʻi. ʻOiaʻiʻo, ʻo ke kiʻekiʻe o ka viscosity, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai. Ke ʻoi aku ka viscosity ma mua o 100,000, ʻaʻohe hopena o ka viscosity i ka paʻa ʻana o ka wai. nui.
7. He aha nā ʻōkuhi loea nui o ka cellulose?
Ka nui o ka hydroxypropyl
ʻO ka nui o ka methyl
mānoanoa
Lehu
Pohō ma ka maloʻo ʻana
8. He aha nā mea nui o ka cellulose?
ʻO nā mea nui maka o HPMC: pulupulu i hoʻomaʻemaʻe ʻia, methyl chloride, propylene oxide, wai caustic soda, a pēlā aku.
9. He aha ka hana nui o ka hoʻopili ʻana o ka cellulose i loko o ka pauka putty? Aia kekahi hopena kemika?
Ma waena o ka pauka putty, ʻekolu ona kuleana o ka mānoanoa, ka paʻa ʻana o ka wai a me ke kūkulu ʻana. Ma muli o ka mānoanoa, hiki i ka cellulose ke mānoanoa e hoʻokuʻu, mālama i ka hopena like i luna a i lalo, a pale aku i ka sagging. Paʻa wai: e hoʻomaloʻo mālie i ka pauka putty, a kōkua i ka calcium lehu e pane ma lalo o ka hana a ka wai. Kūkulu ʻana: Loaʻa i ka Cellulose kahi hopena lubricating, hiki ke hana i ka pauka putty i kūkulu maikaʻi ʻia. ʻAʻole komo ʻo HPMC i kekahi mau hopena kemika, akā he kuleana kōkua wale nō.
10. He ʻetera cellulose non-ionic ka Cellulose, no laila he aha ka non-ionic?
Ma ka ʻōlelo maʻamau, ʻaʻole komo nā mea inert i nā hopena kemika.
He cellulose cationic ka CMC (carboxymethyl cellulose), no laila e lilo ia i bean curd ke hālāwai me ka lehu calcium.
11 He aha ka pilina o ka mahana gel o ka cellulose?
Pili ka mahana o ka gel o HPMC i kāna ʻike methoxy, ʻo ka haʻahaʻa o ka ʻike methoxy, ʻo ke kiʻekiʻe o ka mahana gel.
12. Aia kekahi pilina ma waena o ka nalowale ʻana o ka pauka o ka pauka putty a me ka cellulose?
Aia nā pilina! ! ! ʻO ia hoʻi, ʻo ka paʻa ʻole ʻana o ka wai o HPMC e hoʻoulu ai i ka nalowale o ka pauka (e hoʻopilikia ʻia ka nui 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 paia).
13. He aha ka ʻokoʻa ma waena o ka wai anuanu koke a me ka cellulose hoʻoheheʻe wela i ke kaʻina hana?
Hoʻopili ʻia ka ʻili o ke ʻano wai anuanu koke o ka HPMC me ka glyoxal, a hoʻopuehu koke ia i ka wai anuanu, akā ʻaʻole ia e hoʻoheheʻe maoli. Hoʻoheheʻe wale ia i ka wā e piʻi ai ka mānoanoa. ʻAʻole mālama ʻia nā ʻili o ke ʻano hoʻoheheʻe wela me ka glyoxal. Inā nui ka nui o ka glyoxal, e wikiwiki ka hoʻopuehu ʻana, akā e piʻi mālie ka mānoanoa, a inā liʻiliʻi ka nui, ʻo ka ʻaoʻao ʻē aʻe ka ʻoiaʻiʻo.
14. No ke aha he ʻala ko ka cellulose?
Hoʻohana ka HPMC i hana ʻia e ke ʻano solvent i ka toluene a me ka isopropanol ma ke ʻano he mau solvent. Inā ʻaʻole maikaʻi loa ka holoi ʻana, e koe ana kekahi ʻala. (ʻO ka hoʻōla neutralization ke kaʻina hana nui o ka ʻala)
15. Pehea e koho ai i ka cellulose kūpono no nā kumu like ʻole?
Pauka Putty: koi i ka paʻa wai kiʻekiʻe, maʻalahi ke kūkulu ʻana
ʻO ka mortar sima maʻamau: koi i ka paʻa wai kiʻekiʻe, ke kūpaʻa wela kiʻekiʻe, a me ka mānoanoa koke
Ka hoʻopili ʻana o ke kāpili kūkulu: nā huahana koke me ka mānoanoa kiʻekiʻe. (papa i ʻōlelo ʻia
ʻO ka palai Gypsum: paʻa wai kiʻekiʻe, ka viscosity waena a me ka haʻahaʻa, hoʻonui koke i ka viscosity
16. He aha kekahi inoa ʻē aʻe no ka cellulose?
Ua kapa ʻia ʻo HPMC a i ʻole MHPC alias hypromellose, cellulose hydroxypropyl methyl ether.
17. ʻO ka hoʻopili ʻana o ka cellulose i loko o ka pauka putty, he aha ke kumu o nā pehu i loko o ka pauka putty?
I loko o ka pauka putty, ʻekolu kuleana o HPMC o ka hoʻomānoanoa ʻana, ka paʻa ʻana o ka wai a me ke kūkulu ʻana. ʻO nā kumu no nā pehu:
1. Ua hoʻohui ʻia ka nui o ka wai.
2. ʻAʻole maloʻo ka papa lalo, e ʻeli wale i kahi papa ʻē aʻe ma luna, a maʻalahi ke huʻa.
18. He aha ka ʻokoʻa ma waena o ka cellulose a me ka MC:
ʻO MC ka methyl cellulose, i hana ʻia me ka cellulose ether ma 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 ke hana nei i kahi moʻo o nā hopena. Ma ke ʻano laulā, ʻo ke kekelē o ka pani ʻana he 1.6-2.0, a ʻokoʻa ka solubility me nā kekelē like ʻole o ka pani ʻana. ʻOkoʻa, no ka non-ionic cellulose ether.
(1) ʻO ka paʻa ʻana o ka wai o ka methylcellulose e pili ana i ka nui o ka hoʻohui ʻana, ka mānoanoa, ka maikaʻi o nā ʻāpana a me ka wikiwiki o ka hoʻoheheʻe ʻana. Ma keʻano laulā, inā nui ka nui o ka hoʻohui ʻana, liʻiliʻi ka maikaʻi, a nui ka mānoanoa, kiʻekiʻe ka wikiwiki o ka paʻa ʻana o ka wai. I waena o lākou, ʻoi aku ka hopena o ka nui o ka hoʻohui ʻana i ka wikiwiki o ka paʻa ʻana o ka wai o ke kanaka. ʻAʻole kūlike ka mānoanoa me ka wikiwiki o ka paʻa ʻana o ka wai. ʻO ka wikiwiki o ka hoʻoheheʻe ʻana e pili nui ana i ka ʻili o nā ʻāpana cellulose. Ke kēkelē o ka hoʻololi ʻana a me ka maikaʻi o nā ʻāpana. I waena o nā ethers cellulose i luna, ʻoi aku ka kiʻekiʻe o ka wikiwiki o ka paʻa ʻana o ka wai o ka methyl cellulose a me Jinshuiqiao cellulose.
(2) Hiki ke hoʻoheheʻe ʻia ka Methylcellulose i ka wai anuanu, a he paʻakikī ke hoʻoheheʻe ʻia i ka wai wela. He paʻa loa kona hopena wai ma ka pae o ph = 3-12. Loaʻa iā ia ka launa maikaʻi me ka starch, a me nā mea ʻē aʻe a me nā surfactants he nui. Ke hiki i ka mahana Ke hiki i ka mahana gelation, e hana ʻia ka gelation.
(3) ʻO nā loli o ka mahana e hoʻopilikia nui i ka nui o ka paʻa ʻana o ka wai o ka methyl cellulose. Ma keʻano laulā, ʻo ke kiʻekiʻe o ka mahana, ʻoi aku ka ʻino o ka nui o ka paʻa ʻana o ka wai. Inā ʻoi aku ka mahana o ka mortar ma mua o 40 degere, e emi nui 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 ko ia 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 ʻike ʻia ma waena o ka mea hana a ka mea hana a me ka substrate paia, ʻo ia hoʻi, ke kūpaʻa ʻoki o ka mortar. Kiʻekiʻe ke kūpaʻa ʻana, nui ke kūpaʻa ʻoki o ka mortar, a nui nō hoʻi ka ikaika e pono ai nā limahana i ke kaʻina hana o ka hoʻohana ʻana, a maikaʻi ʻole ka hana kūkulu ʻana o ka mortar.
Ka manawa hoʻouna: ʻApelila-25-2024