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1. Intshayelelo: I-Hydroxypropyl Methylcellulose (HPMC) yi-polymer eguquguqukayo esetyenziswa kakhulu kumashishini ahlukeneyo, kuquka amayeza, ulwakhiwo, kunye nokutya. Enye yezicelo zayo eziphambili kukuguqula iipropati ze-rheological ze-suspensions. I-Rheology, uphando lokuhamba kunye nokuguqulwa kwe-m...Funda ngokugqithisileyo»
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I-HPMC, okanye i-hydroxypropyl methylcellulose, yi-polymer eguquguqukayo ephuma kwi-cellulose, into yendalo efumaneka kwiindonga zeseli zezityalo. Izixhobo ezisekwe kwi-HPMC zifumene ingqalelo enkulu kumashishini ahlukeneyo ngenxa yeempawu zazo ezizodwa kunye noluhlu olubanzi lwezicelo. Intshayelelo...Funda ngokugqithisileyo»
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1. Intshayelelo: Kwindlela yokwenza amayeza, izixhobo zokubopha zidlala indima ebalulekileyo ekuqinisekiseni ukuthembeka nokusebenza kweefom zedosi. Phakathi kweenkqubo ezahlukeneyo zokubopha ezikhoyo, iHydroxypropyl Methylcellulose (HPMC) ivelele njengokhetho oluguquguqukayo nolusetyenziswa kakhulu. 2. Iipropati zeNkqubo zokubopha zeHPMC...Funda ngokugqithisileyo»
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IHydroxypropyl methylcellulose (HPMC) yipolymer eguquguqukayo esetyenziswa kakhulu kumashishini ahlukeneyo, kubandakanya ulwakhiwo, amayeza, ukutya, kunye nezinto zokuthambisa. Kulwakhiwo, iHPMC idlala indima ebalulekileyo njengesongezelelo kwizixhobo ezisekwe kwisamente, ngakumbi ekuphuculeni amandla okubopha. 1.Int...Funda ngokugqithisileyo»
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I-MC yi-methyl cellulose, efunyanwa ngokunyanga umqhaphu ocoliweyo nge-alkali, kusetyenziswa i-methyl chloride njenge-etherifying agent, nokwenza i-cellulose ether ngothotho lweempendulo. Ngokubanzi, inqanaba lokutshintshwa yi-1.6 ~ 2.0, kwaye ukunyibilika nako kwahlukile ngeedigri ezahlukeneyo ...Funda ngokugqithisileyo»
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Umvelisi we-HPMC hydroxypropyl methyl cellulose umenzi-mveliso umthengisi wefektri Uyintoni umsebenzi ophambili we-HPMC? I-HPMC inokwahlulwa ibe: umgangatho wokwakha, umgangatho wokutya kunye nomgangatho wezonyango ngokusetyenziswa. I-HPMC isetyenziswa kakhulu kwizixhobo zokwakha, ii-coating, ii-synthetic resins, ii-ceramics, amayeza, ukutya, i-tex...Funda ngokugqithisileyo»
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I-Cellulose ether yi-polymer compound enesakhiwo se-ether esenziwe nge-cellulose. Isangqa ngasinye se-glucosyl kwi-cellulose macromolecule siqulethe amaqela amathathu e-hydroxyl, iqela eliphambili le-hydroxyl kwi-atom yesithandathu yekhabhoni, iqela lesibini le-hydroxyl kwi-atom yesibini neyesithathu yekhabhoni, kunye ne-hydrog...Funda ngokugqithisileyo»
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I-Cellulose ether iya kwandisa ixesha lokuseta i-samente paste okanye i-mortar net, ilibazise i-samente hydration kinetics, eluncedo ekuphuculeni ixesha lokusebenza kwezinto ezisisiseko sesamente, iphucule ukuhambelana kunye nokuwa kwekhonkrithi emva kokulahleka, kodwa ikwanokulibazisa inkqubela phambili yokwakha, ingakumbi...Funda ngokugqithisileyo»
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Ukusetyenziswa kwe-wet mortar, i-hydroxypropyl methylcellulose ineempawu ezilungileyo zokutyeba, inokunyusa kakhulu amandla okubopha phakathi kwe-wet mortar kunye nomaleko wesiseko, kwaye inokuphucula ukusebenza kwe-anti-sag kwe-mortar, ngoko ke isetyenziswa kakhulu ekuplasteni i-Mortar, udonga lwangaphandle ...Funda ngokugqithisileyo»
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Isiphumo sokutyeba kwe-cellulose ether sixhomekeke ku: inqanaba le-polymerization ye-cellulose ether, uxinano lwesisombululo, izinga lokucheba, ubushushu kunye nezinye iimeko. Ipropati ye-gelling yesisombululo ikhethekile kwi-alkyl cellulose kunye ne-derivatives yayo eguquliweyo. Iimpawu ze-gelation zi...Funda ngokugqithisileyo»
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1. Ubushushu bokufuma Ngokwendlela yokukhululwa kobushushu bokufuma ngokuhamba kwexesha, inkqubo yokufuma yesamente idla ngokwahlulwahlulwa ibe ngamanqanaba amahlanu, oko kukuthi, ixesha lokuqala lokufuma (0~15min), ixesha lokungeniswa (15min~4h), ixesha lokukhawulezisa kunye nokuseta (4h~8h), ukunciphisa isantya ...Funda ngokugqithisileyo»
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Ekusetyenzisweni kwezixhobo zokwakha, i-hydroxypropyl methylcellulose sisixhobo sokongeza esisetyenziswa kakhulu kwizixhobo zokwakha, kwaye i-hydroxypropyl methylcellulose isetyenziswa kakhulu kushishino kwaye ineentlobo ezahlukeneyo. I-Hydroxypropyl methylcellulose inokwahlulwa ibe yi-cold water instant type kunye ne-hot melt type,...Funda ngokugqithisileyo»