A samar da hydroxypropyl methylcellulopyl methylcellulose (hpmc) ya ƙunshi matakai da yawa da ke canzawa zuwa polymer mai bambanci tare da kewayon aikace-aikace a cikin masana'antu daban-daban. Wannan tsari yawanci yana farawa da hakar sel daga tushen shuka, bi da gyaran sinadarai don gabatar da hydroxyphoyl da metyl ƙungiyoyi a kan cellulose. A sakamakon HPMC polymer yana ba da tsare-tsaren musamman kamar thickening, ɗaure, fim-forming, da riƙe ruwa. Mu bincika cikakken tsari na samar da HPMC.
1
Manyan kayan albarkatun na farko don samar da HPMC shine sel din, wanda aka samo shi daga hanyoyin da aka samo asali kamar jikina na katako, audu'ers, ko wasu tsire-tsire masu fibrous. An zaɓi waɗannan hanyoyin dangane da dalilai kamar tsabta, abun cikin sel, da dorewa.
2. Hakar cocin
Ana fitar da sel daga cikin maɓuɓɓuka masu kwasfa da aka zaɓa ta hanyar tsarin sarrafa injiniya da na sinadarai. Da farko, kayan albarkatun sun kwantar da hankali, wanda na iya haɗawa da wanka, nika, da bushewa don cire ƙazanta da danshi. Bayan haka, ana kula da sel yawanci tare da magunguna kamar alkalis ko acid don rushe Ligntin da Hemiclulose na selulose tsarkakakke.
3. Ethadation:
EThertion shine tsarin sunadarai a cikin samar da HPMC, inda aka gabatar da kungiyoyin Hydroxypropyl da methyl ƙungiyoyi a kan pellulose rackone. Wannan matakin yana da mahimmanci don inganta kaddarorin sel don cimma aikin da ake so na HPMC. Amfani da yawa ana aiwatar da shi ta hanyar daukar hoto tare da opylelene oplide (don methyl ƙungiyoyi) a gaban alkali castysts a ƙarƙashin yanayin da ke sarrafawa da matsakaiciyar.
4. Cikakke da wanka:
Bayan etheration, da aka dauki cakuda da aka dauki cakuda don cire duk wani ragowar alkali castysts kuma daidaita matakin PH. Ana yin wannan yawanci ta ƙara acid ko tushe dangane da takamaiman yanayin dauki. Rashin daidaituwa yana biye da wanke sosai don cirewa da-samfuran, sunadarai marasa kyau, da kuma immurities daga samfurin HPMC.
5. M da bushewa:
Magani na HPMCIzed da kuma wanke HPMC bayani a cikin tacewa don raba m barbashi kuma su cimma ƙarin bayani. Fliptration na iya haɗawa da hanyoyi da yawa kamar injin ɗakunan ajiya ko centrifugation. Da zarar an kirkiro maganin, an bushe shi ne cire ruwa kuma ya sami HPMC a cikin foda. Hanyoyin bushewa na iya hadawa da bushewa na fesa, shayar da bushewa, ko bushewa, gwargwadon girman kayan da ake so da kaddarorin ƙarshe.
6. nika da sieving (na zabi):
A wasu halaye, foda na hpmc foda na iya yin ƙarin sarrafawa kamar sieving don samun takamaiman ƙananan barbashi da haɓaka gudana. Wannan matakin yana taimakawa wajen samun HPMC tare da daidaitattun halaye na zahiri wanda ya dace da aikace-aikace iri-iri.
7. Gudanarwa mai inganci:
A duk faɗin aikin samarwa, ana aiwatar da matakan kulawa masu inganci don tabbatar da tsarkakakkiyar, daidaito, da kuma aikin samfurin HPMC. Sabbin sigogi masu inganci na iya haɗawa da danko, rarraba girman barbashi, danshi abun ciki, mataki na canji (DS), da sauran kaddarorin da suka dace. Nazarin dabaru kamar su daidaita da ra'ayi, Spectroscopy, Chromatography, da MicrikographApy ana amfani da su don kimantawa mai inganci.
8. Wagaggawa da ajiya:
Da zarar samfurin HPMC ya wuce gwajin sarrafawa mai inganci, an kunshi shi cikin kwantena masu dacewa kamar jaka ko jakadu da alama kamar yadda ake bayani dalla-dalla. Wurin da ya dace yana taimakawa kare hpmc daga danshi, gurbata, da lalata jiki yayin ajiya da sufuri. An adana hpmc da aka shirya a cikin yanayin sarrafawa don kula da kwanciyar hankali da shiryayye--rayuwa har sai ya shirya don rarrabawa da amfani.
Aikace-aikacen HPMC:
Hydroxypyl methylcelose ya sami amfani sosai a masana'antu da ke ciki har da masana'antu, abinci, da kayayyakin kulawa. A cikin magunguna, ana amfani dashi azaman mai ban sha'awa, rushewa, Fim na da wakilin saki a cikin tsarin shirya kwamfutar hannu. A cikin gini, HPMC tana aiki azaman Thicker, wakilin riƙe ruwa, da rheology lideier a cikin morts na ciminti, plasters, da kuma imile adhereves. A cikin abinci, ya zama mai kauri, mai tsafta, da emulsifier a cikin samfuran samfuran kamar suues, soups, da kayan zaki. Bugu da ƙari, ana amfani da hpmc a cikin kayan kwalliya da samfuran kulawa na mutum don samar da fim ɗin ta, mai laushi, da kayan gyaran canjin.
Abubuwan muhalli:
Samun HPMC, kamar matakai da yawa masana'antu, yana da abubuwan da muhalli. Ana yin kokarin inganta cigaban HPMC ta hanyar ayyukan da ake amfani da su kamar amfani da tsararren kayan more, da aiwatar da fasahar samar da abinci, da aiwatar da fasahar samar da ababen hawa. Bugu da ƙari, ci gaban HPMC ta asali da aka samo daga tushe mai dorewa kamar algae ko ƙwayar cuta yana nuna alƙawarin rage ƙafafun muhalli na hpmc.
Nassi na hydroxypyl methylellulopyl methylellulose ya ƙunshi jerin matakai fara daga hakar cocin celulosification zuwa gyaran sinadarai, tsarkakewa, da kulawa mai inganci. A sakamakon HPMC Polymer yana ba da ayyuka da yawa da kuma samo aikace-aikace cikin masana'antu daban daban. Kokarin zuwa dorewa da kuma alhakin muhalli suna da sabbin abubuwa masu alaƙa a samar da HPMC, suna ƙoƙarin rage tasirin yanayin muhalli yayin haɗuwa da girma buƙatun wannan polymer.
Lokacin Post: Mar-05-2024