Nā pilikia maʻamau o ka Hydroxypropyl methyl cellulose HPMC

1. He aha ka hoʻohana nui ʻana o ka hydroxypropyl methyl cellulose?

HPMCHoʻohana nui ʻia i nā mea kūkulu hale, nā uhi, nā resins synthetic, nā keramika, nā lāʻau lapaʻau, ka meaʻai, ka lole, ka mahiʻai, nā mea hoʻonani, ka paka a me nā ʻoihana ʻē aʻe. Hiki ke hoʻokaʻawale ʻia ka HPMC i nā papa ʻoihana, nā papa meaʻai a me nā papa lapaʻau e like me ka hoʻohana ʻana.

2. Ua māhele ʻia ka Hydroxypropyl methyl cellulose i kekahi mau ʻano, he aha ka ʻokoʻa ma waena o lākou?

Hiki ke hoʻokaʻawale ʻia ka HPMC i ka wikiwiki (hōʻailona hope "S") a me ka wela hoʻoheheʻe ʻia, nā huahana wikiwiki, i ka wai anuanu e 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 loko o ka wai, ʻaʻohe hoʻoheheʻe maoli. Ma kahi o 2 mau minuke, e piʻi mālie ka viscosity o ka wai, e hana ana i kahi gel maopopo a pipili. ʻO nā huahana hoʻoheheʻe wela, i hui pū ʻia i loko o ka wai anuanu, hiki ke hoʻopuehu koke ʻia i ka wai wela, nalowale i ka wai wela, e like me ka hāʻule ʻana o ka mahana i kahi mahana (e like me ka mahana o ka gel o ka huahana), e ʻike mālie ʻia ka viscosity, a hiki i ka hoʻokumu ʻia ʻana o kahi colloid viscous maopopo.

3. Pehea e hoʻoholo ai i ka maikaʻi o ka hydroxypropyl methyl cellulose me ka maʻalahi a me ka naʻauao?
1) keʻokeʻo, ʻoiai ʻaʻole hiki i ke keʻokeʻo ke hoʻoholo inā maikaʻi ka HPMC, a inā e hoʻohui ʻia i ke kaʻina hana hana keʻokeʻo, e hoʻopilikia i kona maikaʻi, akā, ʻo nā huahana maikaʻi ka hapa nui o ke keʻokeʻo he maikaʻi.
2) ka maikaʻi: ʻO ka maikaʻi o ka HPMC ma ke ʻano laulā he 80 mesh a me 100 mesh, 120 kumu emi, ʻoi aku ka maikaʻi o ka maikaʻi.
3) ka hoʻoili ʻana o ka mālamalama: HPMC i loko o ka wai, e hana ana i kahi colloid moakaka, ʻike ʻia kona hoʻoili ʻana o ka mālamalama, ʻoi aku ka nui o ka penetrability o ka maikaʻi, wehewehe i ka emi ʻana o ka insolubles i loko, ʻoi aku ka maikaʻi o ka hopena kū pololei i loko o ka ipuhao ma ke kekelē ma ke ʻano he maikaʻi, e hoʻouna aku i kekahi hopena kū pololei i ka ipuhao, akā ʻaʻole hiki ke wehewehe i ka maikaʻi o ka hana ʻana o ka ipuhao kū pololei ma mua o ka hana ʻana o ka ipuhao wahaheʻe, he nui nā mea e hoʻoholo ai i ka maikaʻi o ka huahana.
4) ʻāpana: ʻo ka nui o ka ʻāpana, ʻoi aku ka maikaʻi o ke kaumaha ma mua o ka mea nui, ma ke ʻano laulā ma muli o ke kiʻekiʻe o ka hydroxypropyl i loko, ʻoi aku ka kiʻekiʻe o ka ʻike hydroxypropyl, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai.

4. He aha nā ʻano hoʻoheheʻe ʻana o ka hydroxypropyl methyl cellulose?
1) Hiki ke hoʻohui ʻia nā hiʻohiʻona āpau i loko o ka mea ma o ke ʻano kāwili maloʻo;
2) Pono e hoʻohui pololei ʻia i ka hopena wai mahana maʻamau, ʻoi aku ka maikaʻi o ka hoʻohana ʻana i ka wai anuanu e hoʻopuehu ai, ma hope o ka hoʻohui ʻana i ka nui ma 10-90 mau minuke e hoʻomānoanoa (e hoʻopūhoihoi e hoʻopūhoihoi)
3) Hiki ke hoʻoheheʻe ʻia nā hiʻohiʻona maʻamau ma hope o ka hui ʻana a me ka hoʻopuehu ʻana me ka wai wela a me ka hoʻohui ʻana i ka wai anuanu ma hope o ka hoʻoulu ʻana a me ka hoʻomaʻalili ʻana;
4) I ka wā e hoʻoheheʻe ʻia ai, inā loaʻa ka hanana o ka agglomerating, no ka mea ʻaʻole lawa ka hoʻoulu ʻana a i ʻole ua hoʻohui pololei ʻia ke kumu hoʻohālike maʻamau i loko o ka wai anuanu. I kēia manawa, pono e hoʻoulu koke ʻia.
5) Inā kū mai nā pehu i ka wā e hoʻoheheʻe ʻia ai, hiki ke wehe ʻia ma ke kū ʻana no 2-12 mau hola (e pili ana ka manawa kikoʻī i ke kūlike o ka hopena) a i ʻole ma ka vacuuming a me ke kaomi ʻana, a i ʻole ma ka hoʻohui ʻana i kahi nui kūpono o ka mea hoʻohemo.

5 hydroxypropyl methyl cellulose i ka nui o ka pauka putty?
ʻO ka nui o ka HPMC i ka hoʻopili maoli ʻana, e pili ana i ke aniau, ka mahana, ka maikaʻi o ka calcium hina kūloko, ka pauka putty a me nā koi o ka mea kūʻai aku o ke ʻano like ʻole, a aia nā ʻokoʻa a puni, ma waena o 4-5 kilograms.

6. He aha ka mānoanoa kūpono o ka hydroxypropyl methyl cellulose?
ʻO ka pauka Putty ma ke ʻano laulā he 100,000 kini, ʻoi aku ke kiʻekiʻe o nā koi o ka mortar, a hiki i ka 150,000 wale nō ka maikaʻi, a ʻoi aku ka nui o ke kuleana o HPMC i 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, haʻahaʻa ka viscosity (7-8), hiki nō hoʻi, ʻoiaʻiʻo, ʻoi aku ka nui o ka viscosity, ʻoi aku ka maikaʻi o ka paʻa ʻana o ka wai, i ka wā e ʻoi aku ka viscosity ma mua o 100,000, ʻaʻole nui ka viscosity o ka paʻa ʻana o ka wai.

7. He aha nā mea nui o ka hydroxypropyl methyl cellulose?
HPMCnā mea maka nui: ka pulupulu i hoʻomaʻemaʻe ʻia, chloromethane, propylene oxide, nā mea maka ʻē aʻe, nā papa alkali, ka waikawa toluene.

8. ʻO ka Hydroxypropyl methyl cellulose i ka noi ʻana o ka pauka putty, ke kuleana nui, inā he kemika?
I loko o ka pauka putty, ʻekolu mau hana e hoʻomānoanoa ai, e paʻa ana i ka wai a me ke kūkulu ʻana. Ma muli o ka hoʻomānoanoa ʻana, hiki ke hoʻomānoanoa ʻia ka cellulose i ka hoʻokuʻu ʻia ʻana, i mea e noho like ai ka hopena i luna a i lalo i ke kuleana o ke kau ʻana i ke kahe. E paʻa ana i ka wai: e hoʻomaloʻo mālie i ka pauka putty, e kōkua ana i ka calcium hina i ka hana o ka hopena wai. Kūkulu ʻana: e hoʻoluʻu ʻia ka cellulose, hiki ke hana i ka pauka putty i kūkulu maikaʻi ʻia. ʻAʻole komo ʻo HPMC i kekahi hopena kemika, akā e pāʻani wale ana i kahi kuleana kākoʻo.

9 .ʻO ka hydroxypropyl methyl cellulose he non-ionic cellulose ether, no laila he aha ka non-ionic?
Ma ka ʻōlelo maʻamau, ʻaʻole komo nā mea inert i nā hopena kemika.
ʻO CMC (carboxymethyl cellulose) he cellulose cationic, no laila e lilo ka calcium hina i koena bean curd.

10. He aha nā ʻōkuhi loea nui o ka hydroxypropyl methyl cellulose?
Ka nui o ka hydroxypropyl
ʻO ka nui o ka methyl
mānoanoa
lehu
Pohō kaumaha maloʻo

11. He aha ka mea e pili ana i ka mahana o ka gel o ka hydroxypropyl methyl cellulose?
Pili ka mahana o ka gel o HPMC i ka ʻike methoxyl, ʻo ka haʻahaʻa o ka ʻike methoxyl, ʻo ke kiʻekiʻe o ka mahana o ka gel.

12 pauka putty kulu pauka a me ka pilina hydroxypropyl methyl cellulose?
Inā ʻaʻole maikaʻi ka paʻa ʻana o ka wai ma HPMC, e hana ia i ka pauka.

13 hydroxypropyl methyl cellulose i ka noi ʻana o ka pauka putty, putty pauka pehu he aha ke kumu?
ʻO ka HPMC i loko o ka pauka putty, ka mānoanoa, ka paʻa ʻana o ka wai a me ke kūkulu ʻana o ʻekolu mau kuleana, ke kumu o ka pehu:
1. ) Hoʻohui ʻia ka wai he nui loa.
2.) ʻAʻole maloʻo ka papa lalo, a laila e ʻeli i kahi papa ma luna, kahi mea maʻalahi hoʻi e pehu.

14. He aha ka ʻokoʻa ma waena o ka hydroxypropyl methyl cellulose hiki ke hoʻoheheʻe wikiwiki ʻia i ka wai anu a me ka hydroxypropyl methyl cellulose hiki ke hoʻoheheʻe ʻia i ka wela i ke kaʻina hana?
ʻO ke ʻano wai anuanu HPMC, ma hope o ka mālama ʻana i ka ʻili glyoxal, hoʻopuehu koke ʻia i loko o ka wai anuanu, akā ʻaʻole i hoʻoheheʻe maoli ʻia, piʻi ka mānoanoa, a hoʻoheheʻe ʻia. ʻAʻole i mālama ʻia ka ʻili me ka glyoxal no ka mea hiki ke hoʻoheheʻe ʻia. Nui ka nui o ka glyoxal, wikiwiki ka hoʻopuehu ʻana, akā lohi ka mānoanoa, liʻiliʻi ka nui, ma ke ʻano ʻē.

15. He aha nā mea e pili ana i nā ʻala hydroxypropyl methyl cellulose?
ʻO ka HPMC i hana ʻia e ke ʻano solvent ua hana ʻia me ka toluene a me ka isopropyl alcohol. Inā ʻaʻole maikaʻi loa ka holoi ʻana, e koe ana kekahi ʻono. (ʻO ka hoʻōla neutralization ke kaʻina hana nui no ka ʻala)

16. Pehea e koho ai i ka hydroxypropyl methyl cellulose kūpono no nā hoʻohana like ʻole?
Pauka Putty: nā koi paʻa wai kiʻekiʻe, kūpono ke kūkulu ʻana (pae i ʻōlelo ʻia: 75AX100000)
ʻO ka mortar sima maʻamau: paʻa wai kiʻekiʻe, kūpaʻa wela kiʻekiʻe, mānoanoa koke (papa i manaʻo ʻia: 75AX150000)
Hoʻopili ʻia o ke kāpili hale: nā huahana koke, ka mānoanoa kiʻekiʻe. (Helu lama i manaʻo ʻia: 75AX200000S)
ʻO ka palai Gypsum: paʻa wai kiʻekiʻe, viscosity waena a me ka haʻahaʻa, viscosity koke (pae i manaʻo ʻia: 75AX75000)

17. He aha ka inoa kapakapa no ka hydroxypropyl methyl cellulose?
ʻO HPMC a i ʻole MHPC alias hydroxypropyl methyl cellulose, cellulose hydroxypropyl methyl ether.

18. He aha ka ʻokoʻa ma waena o ka hydroxypropyl methyl cellulose a meMC?
ʻO MC ka methyl cellulose, he pulupulu i hoʻomaʻemaʻe ʻia ma hope o ka mālama ʻana i ka alkali, methane chloride e like me ka etherifying agent, ma o ke ʻano o nā hopena a hana ʻia me ka cellulose ether, ʻo ke kekelē maʻamau o ka pani ʻana he 1.6-2.0, ʻokoʻa hoʻi ke kekelē o ka solubility pani 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 mānoanoa, ka maikaʻi o nā ʻāpana a me ka wikiwiki o ka hoʻoheheʻe ʻana. Ma keʻano laulā, nui ka nui o ka hoʻohui ʻana, liʻiliʻi ka maikaʻi, nui ka mānoanoa, kiʻekiʻe ka wikiwiki o ka paʻa ʻana o ka wai, he mana nui ka nui o ka hoʻohui ʻana i ka wikiwiki o ka paʻa ʻana o ka wai, ʻaʻole haʻahaʻa ka wikiwiki o ka mānoanoa a me ka paʻa ʻana o ka wai ma mua o ka pilina, ʻo ka wikiwiki o ka hoʻoheheʻe ʻana e pili nui ana i ke kekelē hoʻololi ʻana o ka ʻili a me ka maikaʻi o nā ʻāpana o ka cellulose. ʻO ka methyl cellulose a me ka hydroxypropyl methyl cellulose i loko o nā cellulose ethers i luna he kiʻekiʻe ka wikiwiki o ka paʻa ʻana o ka wai.
(2) Hiki ke hoʻoheheʻe ʻia ka methyl cellulose i ka wai anuanu, e paʻakikī ke hoʻoheheʻe ʻia ka wai wela, ʻo kona hopena wai i ka pae pH = 3-12 he paʻa loa ia, a ʻo ka starch, a me nā mea ʻē aʻe, he nui nā surfactants i loaʻa ka hoʻohālikelike maikaʻi, a i ka wā e hiki ai ka mahana i ka mahana gelation, e loaʻa ka hanana gelation.
(3) E hoʻopilikia nui nā loli o ka mahana i ka nui o ka paʻa ʻana o ka wai o ka methyl cellulose, ma ke ʻano laulā, ʻo ke 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, e ʻoi aku ka ʻino o 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 mana koʻikoʻi kona 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 paʻi ʻia ma waena o ka mea hana a me ka paia e ka mea hana, ʻo ia hoʻi, ke kūpaʻa ʻoki o ka mortar. Nui ka hoʻopili ʻana, nui ke kūpaʻa ʻoki o ka mortar, nui nō hoʻi ka ikaika e pono ai nā limahana i ke kaʻina hana o ka hoʻohana ʻana, a maikaʻi ʻole ke kūkulu ʻana o ka mortar.