Hydroxypyl Methylcellose (hpmc) bụ polymer na-ejikarị polymer na-ejikarị ya na akụrụngwa, karịchaa na-adọta. Akụrụngwa kemịkal pụrụ iche na ihe anụ ahụ nke hpmc na-arụ ọrụ dị mkpa iji melite ndọnye nkwado, arụmọrụ nke na-adịghị mma.
(1) Ihe omuma banyere HPMC
1. Kemịkalụ nke HPMC
HPMC bụ mkpụrụ ndụ cellulose nwetara site na imegharị ahụ sitere na sellulose eke. Ihe owuwu ya bụ nke methoxy (-Och₃) na hydropopopoxy (-ch₂chohch) Otu na-edochi ụfọdụ otu hydroxy. Ihe owuwu a na-enye hpmc ezigbo solibution na ikike hydrac.
2. Njirimara anụ ahụ nke HPMC
Solubality: hpmc nwere ike igbari na mmiri oyi iji mepụta ngwọta colloidal ma nwee ezigbo hydration na ike ike.
Thermogelelition: Ngwọta HPMC ga-etolite na-ewe iwe ma laghachi na mmiri mmiri mgbe oyi jụrụ.
Ọrụ dị elu: HPMC nwere ọrụ dị mma na ngwọta, nke na-enyere aka etolite ihe owuwu afụ.
Ngwongwo ndị a pụrụ iche na kemịkal na-eme ka HPMC nwee ezigbo ihe maka ime mgbanwe ciment nke sitere na ya.
(2) usoro nke hpmc na-eme ka arụmọrụ nke ndị na-eme ihe
1. Meziwanye njide mmiri
Prinkpụrụ: HPMC na-etolite nhazi netwọdi viscus na ngwọta ahụ, nke nwere ike imechi ebe mmiri. Ikike nnabata a bụ n'ihi ọnụ ọgụgụ buru ibu nke otu hydrophilic otu (dị ka otu hydroxy) na HPMC Molecules, nke nwere ike ịmịkọta ma jigide nnukwu mmiri.
Meziwanye adresion: ciment nke sitere na taịlị chọrọ mmiri iji sonye na mmeghachi omume hydration n'oge usoro ịgbachitere. HPMC na-echekwa ọnụnọ nke mmiri, na-enye ohere ciment ahụ hydrate, si otú a na-eme ka ndọnye nke nrapado.
Oge mmeghe: njigide mmiri na-egbochi nrapado site na ihicha ngwa ngwa n'oge owuwu, ịgbatị oge ndozi maka tile.
2. Meziwanye arụmọrụ owuwu
Prinkpụrụ: HPMC nwere ezigbo mmetụta nke na-atọ ụtọ, na ụmụ irighiri ihe ya nwere ike ịhazi ihe dị ka ihe ngwọta n'osisi, na-abawanye victose nke ihe ngwọta.
Meziwanye ihe na-egbochi ihe mgbochi: slurry nwere ihe dị mma na-egbochi ihe na-egbochi ihe owuwu ahụ, nke mere na taịlị nwere ike ịnọ n'ọnọdụ a kara aka na ị ga-emeli ya n'ihi ndọda.
Meziwanye mmiri: vissity kwesịrị ekwesị na-eme ka nrapado dị mfe itinye ma gbasaa n'oge owuwu, na-ebelata ihe isi ike.
3. Ekelite oge
Prinkpụrụ: HPMC na - eme ka njigide mmiri na - eme ka njigide mmiri na - eme ka njikọta mmiri, si otú a na - eme ka ịdị ogologo nke ciment-dakọtara ọnụ.
Mee ka ike dị mma: mkpụrụ osisi ciment kpamkpam na-enye advitesion adresion siri ike ma ọ bụghị na-adịkarị mfe ịda ma ọ bụ na-efe efe n'oge eji ogologo oge.
Mee ka nchedo mmiri na-ezere nnukwu ihe na-egbochi ihe nrapado n'oge ịchafụ n'oge ihicha ahụ, si otú a na -ebelata nsogbu ndị na-adịghị mma.
(3) Nkwado Nkwado data
1. Nnọọ Njikere
Nnyocha e mere egosila na mmiri mgbochi mmiri nke ihe ndị ọzọ na-adọsa na-adọta na mgbakwunye nke HPMC a ka mma. Dịka ọmụmaatụ, ịgbakwunye 0.2% hpmc na nrapado nwere ike ime ka ọnụego njigide mmiri si 70% ruo 95%. Mmelite a dị oke mkpa iji mee ka njikọta nke njikọ na ịdịgide nke nrapado.
2. Nnwale viscosity
Ọnụ ego HPMC kwukwara na ha nwere mmetụta dị ukwuu na viscosity. Dinggbakwunye 0.3% hpmc na ciment tamesians nwere ike iwelie viscosity ọtụtụ ugboro, na-ejide na ndị nrapado nwere ezigbo mgbochi arụmọrụ na arụmọrụ arụ ọrụ.
3. Nnwale mgbanwe
Site na nnwale atụnyere, a chọpụtara na ike nke na-emekọ ihe n'etiti taịl nile nwere nke a adhasives nwere hpmc dị mma karịa nke adhasives na-enweghị HPMC. Dịka ọmụmaatụ, mgbe ị na-atụfu 0,5% hpmc, enwere ike ịbawanye ụba site na ihe dị ka 30%.
(4) Ihe atụ
1
Na ịtọ taịlịn na taịlị mgbidi, nke na-adọta ego nke sitere na tile nke sitere na tile nke sitere na ihe eji arụ ọrụ na njikọ na-adịgide adịgide. N'oge usoro ihe owuwu, ihe nrapado adịghị mfe ida ngwa ngwa, na-ejide ala ịhazi ihe na ewepụghị taịlị.
2. Usoro mkpuchi mgbidi
A na-ejikwa adhesi ndị dị elu HPMC kwalite na sistemụ Mwube Mondal. Nnukwu njigide ya dị ukwuu na adresion na-ahụ na njikọta siri ike n'etiti Board na mgbidi ahụ, si otú a na-eme ka ogologo oge na nkwụsi ike nke sistemụ mmechibido mpụga.
Ngwa nke HPMC na tile na-eme ka ciment tames nke na-eme ka arụmọrụ nke nrapado. Site na imeziwanye mmiri, na-eme ka usoro owuwu ma na-eme ka akụkụ ahụ dịkwuo mma, HPMC na-eme ka ihe ndị ọzọ daba adaba na mkpa ọrụ nke owuwu. Site na mmepe nke teknụzụ na mmụba na-abawanye maka akụrụngwa ụlọ, atụmanya nke HPMC ga-abawanye.
Oge post: Jun-26-2024