ʻO Tiantai Cellulose Co., Ltd ʻo Hydroxypropyl methyl cellulose HPMC mea hoʻolako hale hana mea hana hale hana Kina, me kāna inoa inoa inoa kiʻekiʻe ʻo QualiCell® Cellulose ethers.
ʻO kahi nānā wikiwiki i ka hydroxypropyl methylcellulose HPMC
Hoʻokahi, he aha ka hoʻohana nui o ka hydroxypropyl methyl cellulose?
Hoʻohana nui ʻia ʻo HPMC i nā mea hana hale, nā uhi, nā resins synthetic, ceramics, lāʻau lapaʻau, meaʻai, textile, mahiʻai, cosmetics, paka a me nā ʻoihana ʻē aʻe.Hiki ke hoʻokaʻawale ʻia ka HPMC i ka papa hana ʻoihana, ka papa meaʻai a me ka papa lāʻau lapaʻau e like me kona hoʻohana ʻana.
ʻElua, hydroxypropyl methyl cellulose ua māhele ʻia i kekahi mau ʻano, he aha ka ʻokoʻa?
Hiki ke hoʻokaʻawale ʻia ʻo HPMC i ke ʻano koke (ka suffix "S") a me ke ʻano hiki ke hoʻoheheʻe ʻia, nā huahana koke, i loko o ka wai anuanu i hoʻopuehu koke ʻia, 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. , aole hemo maoli.Ma kahi o (stir) no 2 mau minuke, piʻi mālie ka viscosity o ka wai, e hana ana i kahi colloid viscous akaka.ʻO nā huahana hiki ke hoʻoheheʻe ʻia, i ka wai anuanu, hiki ke hoʻopuehu koke ʻia i ka wai wela, nalowale i ka wai wela, e like me ka mahana a hiki i kahi mahana (e like me ka mahana gel o ka huahana), ʻike mālie ʻia ka viscosity, a hiki i ka hoʻokumu ʻana o ka viscous. colloid.
Ekolu, hydroxypropyl methyl cellulose solution method has what?
1. Hiki ke hoʻohuiʻia nā hiʻohiʻona a pau i ka mea ma keʻano hui maloʻo;
2, pono e hoʻohui pono i ka wai wela wela, ʻoi aku ka maikaʻi o ka hoʻohana ʻana i ke ʻano wai anuanu, ma hope o ka hoʻohui ʻana i nā minuke 10-90 e mānoanoa (hoʻoulu, hoʻoulu, hoʻoulu)
3. Hoʻopuehu mua ʻia ke kumu hoʻohālike maʻamau ma ka hoʻoulu ʻana me ka wai wela, a laila hoʻoheheʻe ʻia me ka hoʻohui ʻana i ka wai anuanu ma hope o ka hoʻoulu ʻana a me ka hoʻoluʻu.
4. Inā hiki mai ke ʻano o ka hoʻoheheʻe ʻana a me ka ʻōwili ʻana, no ka lawa ʻole o ka hui ʻana a i ʻole ke hoʻohui pono ʻia ke kumu hoʻohālike maʻamau i ka wai anuanu.I kēia manawa, pono e hoʻoulu koke.
5. Inā hoʻopukaʻia nā'ōmole i ka wā e hoʻoheheʻeʻia ai, hiki ke waihoʻia no nā hola 2-12 (ua hoʻoholoʻia ka manawa kiko'ī e ke kūlike o ka hopena) a iʻole e weheʻia e ka vacuum-extraction, pressurization a me nāʻano hana'ē aʻe, a me ka nui kūpono o ka antifoaming agent. hiki ke hoʻohui ʻia.
ʻEhā, pehea ka maʻalahi a me ka noʻonoʻo e hoʻoholo i ke kū a hāʻule paha o hydroxypropyl methyl cellulose?
1, keʻokeʻo, keʻokeʻo ʻoiai ʻaʻole hiki ke hoʻoholo inā he maikaʻi ʻo HPMC, a inā e hoʻohui ʻia i loko o ke kaʻina hana keʻokeʻo, e hoʻopili i kona ʻano, akā, maikaʻi nā huahana ʻoi loa ka maikaʻi.
2, fineness: HPMC fineness maʻamau 80 mesh a me 100 mesh, 120 emi, ʻoi aku ka maikaʻi o ka ʻoi aku ka maikaʻi.
3, māmā transmittance: HPMC i loko o ka wai, e hana ana i ka malamalama colloid, e ike i kona malamalama transmittance, o ka nui o ka penetrability o ka maikai, wehewehe insolubles emi i loko, vertical reaction kettle ma degere maʻamau maikaʻi, e hoʻouna i kekahi o ka horizontal reaction kettle, akā. ʻAʻole hiki ke wehewehe i ka ʻoi aku ka maikaʻi o ka hana ʻana o ka ipu hao ma mua o ka hana ʻana i ka ipu hao, he nui nā kumu e hoʻoholo ai i ka maikaʻi o ka huahana.
4, ka ʻāpana: ʻoi aku ka nui o ka ʻāpana, ʻoi aku ka maikaʻi o ke kaumaha, ʻoi aku ka maikaʻi ma mua o ka mea nui, maʻamau no ka mea kiʻekiʻe ka nui o ka hydroxypropyl, kiʻekiʻe ka hydroxypropyl content, a laila ʻoi aku ka maikaʻi o ka mālama ʻana i ka wai.
ʻElima, hydroxypropyl methyl cellulose i ka nui o ka pauka putty?
ʻO ka HPMC i ka hoʻohana maoli ʻana o ke ʻano, e ke ʻano o ke aniau, ka mahana, ka maikaʻi o ka lehu calcium kūloko, ka pauka putty a me nā koi o nā mea kūʻai aku o ka maikaʻi o nā ʻano like ʻole, a aia nā ʻokoʻa a puni, ma ka ʻōlelo maʻamau, ma waena o 4-5 kg.
ʻEono, ʻoi aku ka maikaʻi o ka hydroxypropyl methyl cellulose viscosity?
E luhi me ka pauda keiki he 100 tausani, ʻoi aku ke kiʻekiʻe o ke koi ma ka mortar, makemake ʻoe i ka 150 tausani i mea maikaʻi wale nō e hoʻohana, a, ʻo ka HPMC ʻoi aku ka nui o ka mālama ʻana i ka wai, ʻo ka mānoanoa.I ka pauka putty, ʻoiai ka maikaʻi o ka paʻa ʻana o ka wai, haʻahaʻa ka viscosity (7-8), hiki nō hoʻi, ʻoiaʻiʻo, ʻoi aku ka nui o ka viscosity, ʻoi aku ka maikaʻi o ka paʻa wai pili, ke ʻoi aku ka viscosity ma mua o 100,000 , He liʻiliʻi ka hopena o ka viscosity i ka paʻa ʻana o ka wai.
ʻEhiku, he aha nā hōʻailona ʻenehana nui o ka hydroxypropyl methyl cellulose?
Hydroxypropyl maʻiʻo
Maʻiʻo methyl
viscosity
lehu
Hoʻemi paona maloʻo
ʻEwalu, he aha nā mea maka nui o ka hydroxypropyl methyl cellulose?
ʻO nā mea waiwai nui o ka HPMC: ka pulupulu hoʻomaʻemaʻe, chloromethane, propylene oxide, nā mea maka'ē aʻe, nā papa o ka alkali, ka toluene waikawa.
ʻEiwa, hydroxypropyl methyl cellulose i ka noi ʻana o ka pauka putty, ke kuleana nui, inā kemika?
I loko o ka pauka putty, hoʻokani ʻo ia i ʻekolu mau hana: mānoanoa, paʻa wai a me ke kūkulu ʻana.ʻO ka mānoanoa, cellulose hiki ke mānoanoa e pāʻani i ka hoʻokuʻu ʻana, i hiki ai i ka hopena ke mālama i ka lole i luna a i lalo i ka hana like, anti kahe e kau ana.Ka mālama ʻana i ka wai: e hoʻomaloʻo mālie i ka pauka putty, kōkua ka lehu calcium 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, he hana kōkua wale nō.
ʻO ka hydroxypropyl methyl cellulose ka non-ionic cellulose ether, a laila he aha ka non-ionic?
ʻO ka ʻōlelo maʻamau, ʻaʻole komo nā mea inert i nā hopena kemika.
No ka cationic cellulose ka CMC(carboxymethyl cellulose), no laila, e lilo ana ka calcium hina i ka pala pi.
11. He aha ka pili ana i ka mahana gel o ka hydroxypropyl methylcellulose?
ʻO ka mahana gel o HPMC e pili ana i kāna ʻike methoxy.ʻO ka haʻahaʻa o ka methoxy content, ʻoi aku ka kiʻekiʻe o ka mahana gel.
He ʻumikūmālua, ʻaʻohe pilina o ka pauka putty a me ka hydroxypropyl methyl cellulose?
He mea nui!!ʻO ka HPMC kahi paʻa wai maikaʻi ʻole, e hoʻoulu ai i ka pauka.
13. He aha ka ʻokoʻa ma waena o ka wai anuanu a me ka hopena wela o ka hydroxypropyl methyl cellulose i ka hana hana?
ʻO ka HPMC wai anuanu ke ʻano ma hope o ka mālama ʻana i ka ʻili o ka glyoxal, i ka wai anuanu i hoʻopuehu koke ʻia, akā ʻaʻole i hoʻoheheʻe maoli ʻia, viscosity up, ua hoʻoheheʻe ʻia.ʻAʻole mālama ʻia ka ʻano wela me ka glyoxal.Nui ka nui o ka glyoxal, wikiwiki ka hoʻopuehu, akā lohi ka viscosity, liʻiliʻi ka leo, ma ke ʻano.
14, hydroxypropyl methyl cellulose odor pehea e hoʻihoʻi ai i kahi kuleana?
Hana ʻia ʻo HPMC ma ke ʻano solvent me ka toluene a me ka isopropyl alcohol e like me ka solvent.Inā ʻaʻole maikaʻi loa ka holoi ʻana, loaʻa kahi ʻono i koe.(ʻO ka hoʻihoʻi ʻana o ka neutralization ka hana nui o ka ʻala)
15, hoʻohana like ʻole, pehea e koho ai i ka hydroxypropyl methyl cellulose kūpono?
ʻO ka pauka Putty: nā koi paʻa wai kiʻekiʻe, maʻalahi ke kūkulu ʻana (papa ʻia: 7010N)
ʻO ka momi maʻamau i hoʻokumu ʻia i ka sima: paʻa wai kiʻekiʻe, kūpaʻa kiʻekiʻe o ka wela, viscosity koke (papa ʻia: HPK100M)
Ka hoʻohanaʻana i ke kāpili hale: nā huahana koke, viscosity kiʻekiʻe.(Manaʻo inoa ʻia: HPK200MS)
Gypsum mortar: hoʻopaʻa wai kiʻekiʻe, ʻeleʻele a haʻahaʻa haʻahaʻa, viscosity koke (papa ʻia: HPK600M)
16, hydroxypropyl methyl cellulose he aha ka inoa?
HPMC a i ʻole MHPC alias hydroxypropyl methyl cellulose, cellulose hydroxypropyl methyl ether.
He ʻumikūmāhiku, hydroxypropyl methyl cellulose i ka hoʻohana ʻana i ka pauka putty, putty pauda bubble he aha ke kumu?
ʻO ka HPMC i ka pauka putty, e pāʻani i ʻekolu mau hana o ka mānoanoa, ka paʻa ʻana o ka wai a me ke kūkulu ʻana, ke kumu o ka bubble:
1. Hoʻohui nui ʻia ka wai.
2. ʻAʻole maloʻo ka lalo, ma luna o kahi papa ʻē aʻe o ka ʻoki ʻana, maʻalahi hoʻi e ʻōhū.
He ʻumikūmāwalu, hydroxypropyl methyl cellulose a me MC he aha ka ʻokoʻa:
ʻO MC ka methylcellulose, i hana ʻia me ka pulupulu hoʻomaʻemaʻe ma hope o ka mālama ʻana i ka alkali a me ka methane chloride ma ke ʻano he etherification agent ma o ke ʻano o nā hopena e hana ai i ka cellulose ether.ʻO ka mea maʻamau, ʻo ka degere o ka hoʻololi ʻana he 1.6-2.0, a ʻokoʻa hoʻi ka solubility o nā degere like ʻole o ka hoʻololi ʻana, no ka non-ionic cellulose ether.
(1) ʻO ka paʻa ʻana o ka wai o ka methyl cellulose e pili ana i ka nui o ka hoʻohui ʻana, ka viscosity, ka maikaʻi o ka ʻāpana a me ka wikiwiki o ka hemo.Ma keʻano laulā, inā nui ka nui o ka hoʻohui ʻana, liʻiliʻi ka fineness a nui ka viscosity, kiʻekiʻe ka nui o ka mālama ʻana i ka wai.He hopena nui ka nui o ka hoʻohui ʻana i ka nui o ka mālama ʻana i ka wai, a ʻaʻole pili ka viscosity i ka pae paʻa wai.ʻO ka wikiwiki o ka hoʻoheheʻe ʻana e hilinaʻi nui ʻia i ka pae hoʻololi o ka ʻili o nā ʻāpana cellulose a me ka maikaʻi o ka ʻāpana.Ma luna o ka cellulose ether methyl cellulose a me ka hydroxypropyl methyl cellulose ka paʻa wai ʻoi aku ka kiʻekiʻe.
(2) Hiki ke hoʻoheheʻe ʻia ka methyl cellulose i loko o ka wai anuanu, ʻo ka hoʻoheheʻe ʻana o ka wai wela e hālāwai me nā pilikia, ʻo kona ʻano wai i ka laulā o ka pH = 3-12 paʻa loa, a me ka starch, a ʻoi aku ka maikaʻi o ka hoʻohālikelike surfactant, ke hiki ka mahana i ka ʻO ka mahana hoʻoheheʻe, e hoʻokō ʻia ke ʻano o ka gelation.
(3) E hoʻololi koʻikoʻi ka hoʻololi o ka mahana i ka nui o ka paʻa ʻana o ka wai o ka methyl cellulose, ʻoi aku ka kiʻekiʻe o ka mahana, ʻoi aku ka ʻino o ka paʻa ʻana o ka wai.Inā ʻoi aku ka mahana o ka mortar ma mua o 40 degere, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai o ka methyl cellulose, e hoʻopilikia nui ana i ke kūkulu ʻana i ka mortar.
(4) Loaʻa ka mana o ka methyl cellulose i ke kūkulu ʻana a me ka pili ʻana o ka mortar.Maʻaneʻi, pili ka adhesion i ka ikaika hoʻopili i manaʻo ʻia ma waena o ka mea hana daub a ka poʻe hana a me ka substrate o ka pā, ʻo ia hoʻi, ka pale ʻana o ka mortar.He nui ka waiwai adhesive, nui ka pale ʻana o ka mortar, a ʻo ka ikaika e koi ʻia e nā limahana i ka hana o ka hoʻohana ʻana he nui nō hoʻi, no laila ua ʻilihune ka waiwai o ke kūkulu ʻana.
Ka manawa hoʻouna: Sep-07-2022