Hydroxypropylkyl methylcelrelose (HPMC) waa polymer polymer si ballaaran loo isticmaalo warshadaha kala duwan oo ay ku jiraan dawooyinka, dhismaha, cuntada iyo waxyaabaha la isku qurxiyo. Xarunta waxaa lagu soo rogayaa dhowr geeddi-socod oo kiimiko ah oo ku lug leh agabyo bilow ah.
Hydroxypropylcellelcellosure waa polymer-ka-symer-symer-symer-ka-synther-ka oo ka soo baxay celyulose, polymer dabiici ah oo laga helo darbiyada geedka. Sababo la xiriira guryaheeda u gaarka ah, waxaa badanaa loo isticmaalaa sidii dhumuc weyn, xasilooni, iyo wakiilka qaab-dhismeedka filimka ee warshadaha kala duwan. HPMC waxaa lagu sameeyaa iyada oo wax laga beddelayo cellulese iyada oo loo marayo fal-celin kiimikaad ah oo lagu soo bandhigo hydroxypropyl iyo kooxaha methyl.
Qalabka cayriin:
1. Cellulose:
Xigashada
Ka shaqeynta: Cellulose wuxuu ka socdaa howsha ballaaran ee lagu baabi'inayo silsiladaha unugyada murugsan ee unugyo yar yar, sidaas darteedna loo abuuri lahaa agabyada wax ka badal dheeri ah.
2. Propylene Okside:
Xigasho: Propylene Oxide waa qaybta ugu muhiimsan ee wax ka beddelka hydroxypropyl waxaana laga soo saaraa peatchemical propylene.
Ka shaqeynta: Propyleneneene-ka ayaa ka falceliya unugyada kahortagga ah joogitaanka alkali si uu ugu soo bandhigo kooxaha hydroxroxpropopyl laf-dhabarka laf-dhabarka.
3. Methyl chloride:
Xigasho: methyl chloride waxaa caadi ahaan laga soo saaray methanol, kaas oo laga soo saari karo gaaska dabiiciga ah ama biomass-ka.
Processing: Methyl chloride is used to react with cellulose to introduce methyl groups to form the final hydroxypropylmethylcellulose structure.
4. Sodium Hydroxide:
Xigasho: sodium hydroxide, oo sidoo kale loo yaqaan soosaarka soodhada, waa aasaas adag oo ay soo saartay elektaroonigga ah ee elektaroonigga ah ee sodium chloride (milixda miiska).
Ka shaqeynta: Sodium Hydroxide waxaa loo isticmaalaa daaweynta alkali ee unugyada unugyada si kor loogu qaado jawaab celinta Propylenenene-ka si loogu daro kooxaha hydroxypropyl.
5. Acid Hydrochloric:
Xigasho: hydrochloric acid waa wax soo saarka habraacyo kala duwan oo warshadeed oo kala duwan, sida soosaarka koloriin.
Ka shaqeynta: U isticmaal hydrochloric acid si aad uga takhalusaan isku-darka falcelinta si aad u hubiso in PH habboon la ilaaliyo inta lagu gudajiro HPMC Synthesis.
6. Biyo:
Xigasho: Biyuhu waa qayb muhiim ah oo ku saabsan isku-darka HPMC Synthesis, oo u dhaqma sidii dhexdhexaad falcelin iyo kor u qaadida hydrolysis-ka cellulose.
Ka shaqeynta: Biyaha waxaa loo isticmaalaa marxalado kala duwan oo ah hanaanka wax soosaarka, oo ay ku jiraan hydrolysis of cellulose iyo maydhista iyo tillaabooyinka nadiifinta iyo tillaabooyinka nadiifinta.
Habka wax soo saarka:
Soosaarka hydroxypropylylcellellalose waxaa ku jira talaabooyin taxane ah, kaas oo kor ku xusan alaabta kor ku xusan ee ay ka ciyaaraan kaalin ka ah isku-darka
Doorka furaha ah.
Diyaarinta Cellulose:
Cellulose waxaa laga soocayaa fiilooyinka dhirta (alwaax alwaax ah ama suuf) oo lagu sameeyo habraacyo taxane ah oo lagu yareeyo miisaankeeda molikal, taasoo fududeynaysa in wax laga beddelo.
Daaweynta Alkali:
Cellulose waxaa lagu daaweeyaa sodium hydroxide si loo abuuro jawi alkaline ah oo ku habboon falcelinta propylenene.
Hordhac Hydroxypropyl:
Propyleneneneneene-ka waxaa lagu darayaa unugyada alkali-u-dhaqidda si ay ugu soo bandhigaan kooxaha hyroxypropopyl laf-dhabarka laf-dhabarka.
Hordhac methyl:
Metloride chloride waxaa lagu soo rogay isku-darka dareenka, taasoo dhalisay in lagu daro kooxaha methyl ee loo yaqaan 'byroxyprose'.
ka takhalusidda:
U adeegso acid hydrochloric si aad uga takhalusaan isku-darka jawaab celinta si aad u hubiso in sheyga ugu dambeeya uusan ahayn mid aasaasi ah.
Dhaqida iyo nadiifinta:
Taasina waxay keentay in hydroxypropylyl methylcelrellase in la maydho oo la nadiifiyo si looga saaro cilado, ashyaa'da ceyriinka ah ee aan la koobi karin iyo alaabada.
Qalajinta:
HIPMC nadiif ah ayaa markaa la qalajiyey si loo helo sheyga ugu dambeeya, kaas oo caddaan ah oo ah budada cad ee ka baxsan.
Codsiyada hydroxypropyl methylcelrelose:
HPMC waxay leedahay codsiyo ku qoran warshado kala duwan sababtoo ah guryaheeda gaarka ah:
daroogo:
Waxaa loo istcimaalay sidii adhession, jaakad filim iyo jaakad joogto ah oo joogto ah oo loogu diyaar garoobayo dawooyinka.
Dhig:
Waxaa loo istcimaalay sidii wakiil kacsan oo biyo raacitaan ah oo ku saabsan alaabada ku saleysan sibidhka sida madaafiic iyo balaastiro.
Warshadaha Cuntada:
Waxaa loo istcimaalay sidii dhumuc weyn, xasilooni iyo emulsifier ku saabsan waxyaabaha cuntada lagu sameeyo, oo ay ku jiraan suugooyinka, dharka labiska iyo alaabada la dubay.
qurxinta:
Waxaa loo adeegsaday sidii dhumuc weyn oo lagu nasiyo qaabab isku qurxiyo sida kareemada iyo kareemada.
Rinjiyeynta iyo jaakadaha:
Waxaa loo isticmaalaa sidii dhumuc yar oo rhealology ah oo ku jira rinjiyeyaasha biyaha ku saleysan iyo jaakadaha.
Alaabada daryeelka shaqsiyeed:
Waxaa lagu daraa badeecooyinka daryeelka shakhsi ahaaneed ee kala duwan sida shaamboos iyo maydhashada jirka ee qaro weyn oo guryaha lagu dejinayo.
Tixgalinta Deegaanka:
In kasta oo HPMC ay tahay nin polymer oo aad u ballaaran oo aad loo isticmaalo, dhinacyada deegaanka waa in la qaddariyo. Soosaarka HPMC wuxuu ku lug leeyahay falcelinta kiimikaad iyo adeegsiga jilitaanka pitrochemical. Dadaallada ayaa socda si loo sahamiyo ilo dheeraad ah oo waara oo ka mid ah cellulose waxayna kor u qaadeen geedi socodka waxsoosaarka si loo yareeyo saameynta deegaanka.
Hydroxypropyl methylcelrellase waa mid qiimo leh oo polymer oo qiimo leh oo leh codsiyo fara badan oo kala duwan oo warshado kala duwan ah. Qalabka ceyriinka ee ku lug leh isku-darka waxaa ka mid ah cellulose, propylone okside, methyly chloride, sodium hydrochide, hydrochloride, oo ku dhaca hanaanno taxane ah oo kiimiko ah si loo soo saaro wax soo saarka ugu dambeeya. Fahmitaanka qalabka ceyriinka iyo hanaanka wax soo saarka ayaa muhiim u ah fahamka guryaha iyo codsiyada HPMC iyo sahaminta dariiqooyinka wax soo saarka waara ee mustaqbalka.
Waqtiga Post: Febraayo-19-2025