HydroxyPropyl Methyl Cellulose Hpmc ni selile itari ionic ivanze na sithyl carboxymethyl charboxymethyl ivanze ether Umusaruro umwe wa ogisijeni kubera hydroxypropyl methyl methyl methyl methyl Ibirimo no kubirimo byinshi bitandukanye nubwoko butandukanye, kandi ni umunsi wa HydroxyPropyl Methyl Cellulose. Ariko muri buri bwoko, nubwo burimo umubare muto wa hydroxyproppopporl cyangwa umubare muto wuburyo, umukecuru mubikemuro kama cyangwa ubushyuhe bwo hejuru mubisubizo byamazigamico, hari itandukaniro rikomeye.
1, hydroxypropyl methyl Methyl Cellubulity
HydroxyPropyl Methyl Cellulose mumazi yoroheje ya hydroxypropyl methyl impeta ya silleulose, niko bimeze kuri methyl impeta yamazi akonje kandi ashyushye amazi meza. Ariko, ubushyuhe bwa gelale bwa propylexy bwahinduwe burenze irya methyl selile mumazi ashyushye. Kurugero, viscogity ya hydroxyProppopyl methylcellellse igisubizo cya 2% Ibirimo DS = 0.73 na hydroxyPropyl Ibirimo MS = 0.46 ni 500 m 500 m 500 m 500 m 5 ℃. Ubushyuhe bwa GEL bwibicuruzwa byegereye 100 ℃, mugihe cya Methyl selile yubushyuhe buri hafi 55 ℃. Kubijyanye no gukemurwa mumazi, nanone byateye imbere cyane, kurugero, nyuma yo guhonyora hydroxypropyl methylcellse (imiterere yintete kuri 20 .
. DS = 0.2 ~ 1.0, viscosity yo hejuru hydroxypropyl methyl selile hamwe na methdleus methanol na ethanol Birashonga kandi muri hydrocarbone nka dichloromethane na trichloromethane, na ordomen nka acetone, inzoga za IsOtone, na discokene. Kudakemurwa kwamagana ibicuruzwa birenze kwishyurwa no kwikebagura.
2, hydroxyPropyl methyl violkilose violiles yinzira zingirakamaro
HydroxyPropyl Methylcellse viscosity ibintu bya HydroxyPropyl Methylcellse Destique Style Strivelity Detecosity Detecosiyaliste Stacrellse Icyemezo gisanzwe cya Vither, naho ubundi selile nimwe, ni kuri 20% Kugaragaza ibicuruzwa bimwe, hamwe no kwiyongera no kwiyongera no kwiyongera, kwibanda ku bicuruzwa bitandukanye bya molecular, uburemere bwa molekile bwibicuruzwa ni viso ndende. Umubano wacyo nubushyuhe urasa nubwa methyl selile. Iyo ubushyuhe buzamutse, viscosity itangira kugabanuka, ariko iyo igeze ku bushyuhe runaka, viscosity irazamuka gitunguranye kandiga bibaho. Ubushyuhe bwa Gelale bwibicuruzwa hamwe nisuka nke rirenze ibyo ibicuruzwa bifite ubushyuhe bwinshi. Urwego rwa Gel Point, hiyongereyeho hejuru cyane kandi nkeya ya ether, ariko nanone hamwe na etherxy na hydroxyPropyl Group Group hamwe ninzego zose zo gusimbuza zifitanye isano. Tugomba kumenya ko hydroxypropyl methylcellse nayo ni pseudoplastique; Igisubizo cyacyo kirahagaze mugihe kibitswe ubushyuhe bwicyumba kandi ntigaragaza kwangirika kwa vicosi keretse amahirwe yo gutesha agaciro.
3, HydroxyPropyl Methyl Acide na Alkaline Kurwanya Alkaline
HydroxyPropyl methylcellse acide alkali hydroxypropyl methylcellpropy, nka acide ya acide Acide, acide ya boric, nibindi ariko aside yibanze ifite ingaruka zo kugabanya uruzitiro. Alkali nka soda ya Caustic, amazi ya Caustic na lime nta ngaruka kuriyo, ariko ingaruka zo kongera viscositity yumuti uzagabanuka buhoro mugihe kizaza.
4, HydroxyPropyl Methyl Cellulose irashobora kuvangwa
HydroxyPropyl Methyl Igisubizo Cyikigo gishobora kuvangwa n'amazi ya polymer, hanyuma uhinduke igisubizo kiboneye gifite ubushishozi bwo hejuru. Ibi bidukikije byinshi bya moleclene ni polydol, Polyvinyl Acetate, Polysilikone, Polymethyl Vinymer Stulnes nka Gum Icyarabu, Amashanyarazi ya Bycy igisubizo. HydroxyPropyl Methyl Cellulose irashobora kandi kuvangwa na acide ya mannito yijimye cyangwa acide ya palmitique cyangwa sorbic, ibi bice birashobora gukoreshwa nka lydroxyPropripyl methyl plastizer.
5, HydroxyPropyl Methyl Cellulose idahujije Amazi
HydroxyPropyl Methyl Cellulose idashobora gusakuza amazi-sother, urashobora kuba uhuza amazi yagabanijwe mubisubizo, uhinduke mumazi. Hanyuma ukore hydroxyPropyl methylcellse idashobora gusambanya alldehyde, folkoxdehyde, kuri sultohdehyde igomba kwitondera byihuse, nibindi byinshi munganda bikunze gukoreshwa glyoxal nkumusaraba -Kutekereza. Igipimo cyubwoko nkubwo bwo guhura nibisubizo ni 0.2% ~ 10% ya masa ya ether, ibyiza ni 7% ~ 10%, nko gukoresha glyoxal hamwe na 3.3% nibyo bikwiranye cyane. Ubushyuhe rusange bwo kuvura ni 0 ~ 30 ℃, igihe ni 1 ~ 120min. Guhuza imyuka bigomba gukorwa muburyo bwa aside. Mubisanzwe, acide ikomeye ya acide cyangwa aside kama kama yongewe kumuti kugirango uhindure ph yumuti ugera kuri 2 ~ 6, nibyiza kongerwa hagati ya 4 ~ 6, hanyuma Ahantu hongeweho kugirango uhuze reaction. Acide yakoreshejwe ni acide ya hydrochloric, aside sulfuric, acide ya fosifori, acire ya mopitike, acire acire, acide ya Hydroxy Acide na Aldehdes nabo barashobora kongerwaho icyarimwe kugirango bakemereke igisubizo cyo kwamburwa ph. Iyi myitwarire ikoreshwa kenshi mumikorere yanyuma yimikorere ya selile ya selire, kugirango selile idashonga, byoroshye gukoresha amazi 20 ~ 25 ℃ amazi yo gukaraba no kweza. Iyo ibicuruzwa bikoreshwa, ibintu bya alkaline birashobora kongerwaho kubicuruzwa kugirango uhindure PH yumuti kugirango ube alkaline, kandi ibicuruzwa bishonga vuba mugisubizo. Ubu buryo burashobora kandi gukoreshwa mugihe selile ya ether igisubizo gikoreshwa mugukora film hanyuma film ifatwa kugirango ikore film.
6, HydroxyPropyl Methyl Cellulose Anti-Enzyme
HydroxyPropyl Methyl Metzyme kurwanya ibikomoka kuri selile, nka buri matsinda ya anhyroglucose nko gukosora amatsinda yo gusimbuza, ariko mubyukuri ibicuruzwa byarangiye gusimbuza agaciro karenze 1, Kandi na enzyme yangiriye nabi, ibi nibisobanuro bya buri tsinda mu rutonde rw'uruhererekane rwa TOLLUALOSE NTIBISANZWE, mikorobe yegereye amatsinda ya Glucosse adafite inenge kugira ngo agire isukari mu butayu gushinga isukari, bishobora kuba ibiryo. Kubwibyo, niba urwego rwo gusimbuza kwangirika kwiyongera, kurwanya selile ether kuri isuri nziza yo kuzamura isuri izamurwa. Biravugwa ko munsi y'imiterere iyobowe, ubushyuhe busigaye bwa hydroxypropyl methyl selile. , 3.8%, na 1.7%. HydroxyPropyl Methyl selile ifite ubushobozi bukomeye bwo kurwanya enzyme. Rero hydroxypropyl methylcellse nziza cyane kurwanya enzyme, ihujwe no gutatanya neza, kwiyongera no gushinga filime hamwe na firime, nibindi, muri rusange ntibikeneye kongeraho. However, in order to prevent long-term storage of the solution or possible contamination from the outside world, preservatives can be added, whose selection can be determined according to the final requirements of the solution. Phenylmercuric acetate na fluosiline fluosilinete ni byiza birinda, ariko ni uburozi kandi bigomba kubakorwa neza. Mubisanzwe, 1 ~ 5Mg Phenylcuric acetate irashobora kongerwa kuri buri jambo.
7, HydroxyPropyl Methyl Membrane Imikorere
HydroxyPropyl Methyl Film Film Imikorere ya HydroxyPropyl Methyl Cellwil Methyl, umuti windangamico, nyuma yo kumisha ikirahuri, mucyo na mucyo na film. Ifite ubushuhe bwiza kandi ikomeza gukomera mubushyuhe bwo hejuru. Nkwongeyeho Plastistic ya Hygroscopic, irashobora kongera kubaho no guhinduka, kunoza Flexicure, Glycerol na Sorbittar nandi plastittar birakwiye cyane. Igisubizo rusange ni 2% ~ 3%, dosiye ya plastisage ni 10% ~ 20% ya selile. Niba ibikubiye muri plastistizer ari byiza, imiterere yimyanda ya Colloid Umwuma udashobora kubaho mubushuhe. Imbaraga za Tensile za firime zongeyeho Plastistizer ni nini cyane kuruta ibyo bitayongereye, kandi byiyongera hamwe no kongera umubare wacyo wongerewe, nkuko Hygroscopity ya firime nayo yiyongereyeho ubwinshi bwa plastistizer.
Igihe cyohereza: Sep-08-2022