Sida loo doorto hydroxypropyl methylcellulose ka ilaalinta biyaha

Haysashada biyaha ee hydroxypropyl methylcellulose waa mid ka mid ah sifooyinka muhiimka ah ee hydroxypropyl methylcellulose.Waxyaabaha ay ka midka yihiin heerkulka hawada, heerkulka iyo xawaaraha cadaadiska dabaysha ayaa saameyn doona heerka isbedbedelka biyaha ee hoobiye sibidhka iyo alaabta gypsum-ku salaysan.Sidaa darteed, xilliyo kala duwan, waxaa jira xoogaa kala duwanaansho ah oo ku saabsan saameynta haynta biyaha ee alaabada leh qadar isku mid ah oo lagu daray hydroxypropyl methylcellulose.

Guud ahaan, marka uu sareeyo viscosity of hydroxypropyl methylcellulose, si fiican u haynta biyaha noqon doonaa, laakiin saamaynta viscosity on haynta biyaha waa la dhimi doonaa marka viscosity ka badan yahay 100,000 mpa.s.Hydroxypropyl methylcellulose oo leh maqaar ka badan 100,000, waxaa lagama maarmaan ah in la kordhiyo qiyaasta hydroxypropyl methylcellulose si aad u kordhiso heerka xajinta biyaha.

Dhismaha gaarka ah, saamaynta xajinta biyaha ee slurry waxaa lagu hagaajin karaa iyadoo la kordhinayo ama la dhimayo qadarka hydroxypropyl methylcellulose.Badeecadaha taxanaha ah ee Hydroxypropyl methylcellulose waxay si wax ku ool ah u xalin karaan dhibaatada haynta biyaha ee heerkulka sare.Xilliyada heerkulka sare, gaar ahaan meelaha kulul iyo qalalan iyo dhismaha lakabka khafiifka ah ee dhinaca qorraxdu, tayada sare ee hydroxypropyl methylcellulose ayaa loo baahan yahay si loo hagaajiyo xajinta biyaha ee slurry.

Hydroxypropyl methylcellulose oo tayadeedu sarreyso waxay leedahay labbis aad u wanaagsan.Kooxaha methoxyl iyo hydroxypropoxyl waxay si siman ugu qaybsan yihiin silsiladda molecular cellulose.Waxay wanaajin kartaa atamka ogsijiinta ee hydroxyl iyo ether bonds.Awoodda ururka biyaha ee samaynta curaarta hydrogen waxay u beddeshaa biyaha bilaashka ah biyo xidhxidhan, si wax ku ool ah loo xakameeyo uumiga biyaha ee ay sababtay cimilada heerkulka sare iyo helitaanka biyo-haysnaanta sare.

Hydroxypropyl methylcellulose tayada sare leh waxay si siman oo waxtar leh u kala firdhi kartaa dhoobada sibidhka iyo alaabta gypsum-ku salaysan, ku duub dhammaan qaybaha adag, oo samee filim qoyan, qoyaanka saldhigga ayaa si tartiib tartiib ah loo sii deyn doonaa muddo dheer.Dareen-celinta fuuq-celinta waxay ku dhacdaa walxaha gelling-ka aan organic-ga ahayn, si loo hubiyo xoogga curaarta iyo xoogga cadaadiska ee walxaha.Sidaa darteed, dhismaha xagaaga ee heerkulka sare, si loo gaaro saameynta xajinta biyaha, waxaa lagama maarmaan ah in lagu daro alaab tayo sare leh oo hydroxypropyl methylcellulose ah oo ku filan oo ku filan sida caanaha, haddii kale, fuuq-bax aan ku filneyn, hoos u dhac xoog leh, iyo dillaac ayaa dhici doona sababtoo ah qalajinta xad dhaafka ah.Dhibaatooyinka tayada leh sida goynta, goynta iyo dhaca ayaa sidoo kale kordhiya dhibka dhismaha ee shaqaalaha.Marka heerkulku hoos u dhaco, qadarka hydroxypropyl methylcellulose lagu daray si tartiib tartiib ah ayaa loo dhimi karaa, saameyn la mid ah biyaha ayaa la gaari karaa.