HydroxyPropyl methylcellellse nubwoko bwa selile itari ionic bivanze ether. Bitandukanye ionic methyl carboxymethyll selile ivanze ether, ntabwo yitwara nibukaniro riremereye. Kubera igipimo gitandukanye cyibirimo hamwe na hydroxypropyle ibirimo muri hydroxypropyl methylcellles, mugihe ibintu byinshi birimo ibintu bitandukanye nibirimo byinshi ni hafi yibyo HydroxyPropyl Methyl Cellulose. Ariko, muri buri bwoko, nubwo gusa umubare muto wa hydroxyPropyl cyangwa umubare muto wa memoxyl ukiboneka, hari itandukaniro rikomeye mubikesha mubibazo bya kama cyangwa ubushyuhe bwa floctulat mubisubizo byimibare.
(1) Ibicuruzwa byonyine bya HydroxyPropyl methylcellse
① Kutubakira hydroxyproppopyl methylcellse mumazi hydroxypropyl methylcellrose yahinduwe na methyl. Ariko, kubera amatsinda yahinduwe yahinduwe, ubushyuhe bwa pelale mumazi ashyushye ni hejuru cyane kurenza ubw'ikirere. Kurugero, viscogity ya hydroxyPropyl methylcellellse igisubizo cya 2% Urutonde rwimpapuro za mugitondo Ku bijyanye no kukengurwa mu mazi, nayo iratera imbere cyane. Kurugero, hydroxyproppopyl methylcellse (imiterere ya granular 0.2 ~ 0.2 ~5mm
② Kutubakira hydroxyproppopyl methylcellse muri Organic ikemura ibibazo bya hydroxyproppopyl methylcellus muri OrthySelcelles. Methycellsellse igomba kugira uburyo bwo gusimbuza gahunda ya 2.1 Ibicuruzwa byavuzwe haruguru, ariko birimo hydroxypropyl MS = 0.2 ~ 1.8 THERMOS-PHOSIITY N'AMAZI NUBUNTU. Birashonga kandi muri hydrocarbone nka methylene chloride na chloroform, hamwe na kama nka acetone nka acetone, inzoga za IsAcetone na Diacetone. Kudakemurwa kwamashanyarazi kama ni byiza kuruta kwikebagura amazi.
. Yapimwe kuri 20 ° C hamwe nigisubizo cya 2% nkibisanzwe. Ibyatsi byibicuruzwa bimwe byiyongera hamwe no kwiyongera kw'ibitekerezo. Kubicuruzwa hamwe nuburemere butandukanye bwa molekari icyarimwe, ibicuruzwa hamwe nuburemere bunini bwa molekilar bufite ubushishozi bwo hejuru. Umubano wacyo nubushyuhe urasa nubwa methyl selile. Iyo ubushyuhe buzamutse, viscosity itangira guta, ariko iyo igeze ku bushyuhe runaka, viscosity irazamuka gitunguranye kandi igaragara. Ubushyuhe bwa Gel bwo kurimbura ibicuruzwa hasi biri hejuru. ni hejuru. Icyerekezo cyacyo ntigifitanye isano gusa na vithes gusa, ariko nanone bifitanye isano nubutaka bwa Methoxyl itsinda na hydroxyPropyl itsinda hamwe nubunini bwurwego rwo gusimbuza. Tugomba kumenya ko hydroxypropyl methylcellse nayo ni pseudoplastique, kandi igisubizo cyacyo gihamye mubushyuhe bwicyumba udafite ubushyuhe bwa vinosiya keretse kugirango bishoboka gutesha agaciro.
. Umunyu rusange nka chloride, Brospe, fosifate, nitrate, nibindi ntibizacika intege mugihe yongerewe igisubizo cyacyo. Ariko, kongeramo umunyu bifite uruhare runini ku bushyuhe bwa plocté yibisubizo byayo. Iyo umunyu wibanda kunyungu, ubushyuhe bwa Gel bugabanuka. Iyo umunyu wibanze uri munsi yingingo ya floctulation, viscosiyani yogisubizo ikunda kwiyongera. Kubwibyo, umubare runaka wumunyu wongeyeho, mubisabwe, birashobora kugera kubintu byijimye mubukungu. Kubwibyo, muburyo bumwe, nibyiza gukoresha imvange ya selile ether n'umunyu kuruta kwibanda cyane kugirango ugere ku ngaruka mbi.
. Irashobora kwihanganira umubare runaka wa aside yoroheje, nka acide ya raceti, acisa, acire, acide ya chic, acire Alkalis nka soda ya Caustic, amazi ya Caustic atagira ingaruka kuri yo, ariko arashobora kongera ubukwe bwigisubizo, hanyuma bukagabanya buhoro.
. Ibi bigize polymer birimo Glycol, Polyviny, Polysilikone, Polymethylvinyl Siloxane, HydroxyAne, HydroxyAnethyl Cellulose, na Methyl selile. Ibikorwa bisanzwe byinshi nkibishitsi bya Gum Icyarabu, inzige mu byumwa, karaya gum, nibindi kandi bifite akamaro keza nigisubizo cyacyo. HydroxyPropyl methylcellse irashobora kandi kuvangwa na Manteli Ester cyangwa Sorbitpol enterineti ya acide cyangwa iryiti
(6) Gushonga amazi adahunnye Igitabo gikora hydroxyproppopyl methylcellse idashobora gushyiramo foldehyde, glegoxehde, muri keltoldehyde, mubice bya glyoxe umusaruro. Igipimo cyubu bwoko bwo guhuza umukozi mu gisubizo ni 0.2% ~ 10% ya misa ya ether, nibyiza 7% ~ 10% ya Glyoxal niyo ikwiye cyane. Mubisanzwe, ubushyuhe bwubuvuzi ni 0 ~ 30 ℃, kandi igihe ni 1 ~ 120min. Impungenge zinyuranya zigomba gukorwa muburyo bwa aside. Mubisanzwe, ph of igisubizo ihinduka hafi 2 ~ 6 wongeyeho acide idasanzwe cyangwa aside kama kama ikigo cya 4 ~ 6, hanyuma Ahantu hongerewe kugirango usohoze reactions. Acide yakoreshejwe afite aside hydrochloric, acide sulfuric, acide ya fosifori, acire ya fositi, acisike, acide acire cyangwa aside ya acire cyangwa acide ya acire ari byiza. Acide na Aldehyde barashobora kandi kongerwaho icyarimwe kugirango bakemereke igisubizo cyo guhura na reaction yo guhuza PH. Iyi myitwarire ikoreshwa kenshi mubikorwa byanyuma byo kuvura mubikorwa byo gutegura aba bahanganye na selile. Nyuma ya selile ether ntabwo ihujwe, biroroshye gukoresha.
20 ~ 25 ℃ Amazi yo Gukaraba no kwezwa. Iyo ibicuruzwa bikoreshwa, ibintu bya alkaline birashobora kongerwaho kubicuruzwa kugirango uhindure PH yumuti wo kuba alkaline, kandi ibicuruzwa bizashonga mubisubizo vuba. Ubu buryo bukoreshwa no kuvura film nyuma yubugari bwa selile bikozwe muri firime kugirango ikore film idashoboka.
. Urunigi rwa Cellulose ntabwo ruhuze, kandi mikoroguro irashobora kwangirika mu itsinda rya anhydroblucose kugirango ishyiremo isukari, nk'intungamubiri za mikorobe zifata. Kubwibyo, niba urwego rwo gusimbuza kwangirika kwa selile, kurwanya isuri yuzuye ya selile iziyongera. Nk'uko amakuru abitangaza, kugengwa n'imiterere yagenzuwe, hydrolyses ibisubizo by'amagambo byakozwe, visity ya hydroxypropyl methycellyl methyceelly ni 1.7%. Birashobora kugaragara ko hydroxypropyl methylcellse ifite ubushobozi bukomeye bwo kurwanya enzyme. Kubwibyo, enzyme nziza yo kurwanya hydroxypropyl methylcellse, ihujwe nuburyo butazirikana, kubyimba no gukora siporo, bikoreshwa mumata ya manda, nibindi, kandi muri rusange ntibikeneye kopi. Ariko, kububiko bwigihe kirekire kubisubizo cyangwa kwanduza hanze, bikaba bishobora kongerwa ari ukwirinda, kandi guhitamo birashobora kugenwa hakurikijwe ibisabwa byanyuma byigisubizo. PhenylmerCuric acetate na manganesi fluororasilicate nibitunganya neza, ariko bose bafite uburozi, bagomba kwitondera kubagwa. Mubisanzwe, 1 ~ 5Mg ya Phenylmercury acetate irashobora kongerwaho igisubizo kuri litiro ya dosage.
. Igisubizo cyacyo cyamazi cyangwa igisubizo cyamagana gihingwa ku isahani yikirahure, kandi ihinduka ibara kandi isobanutse nyuma yo gukama. Na firime ikomeye. Ifite ubushuhe bwiza kandi ikomeza gukomera mubushyuhe bwo hejuru. Niba Plasticecopic yongeyeho, kurangira no guhinduka birashobora kwiyongera. Mu rwego rwo kuzamura impimuro, plastistizers nka glycerin na sorbitdol nibyo byose. Mubisanzwe, igisubizo cyigisubizo ni 2% ~ 3%, kandi ingano ya plastistizer ni 10% ~ 20% ya selile. Niba ibikubiye muri plastistizer ari hejuru cyane, kugabanuka kwa colloidal dehydration bizabera mubushuhe buke. Imbaraga za tensile ya firime hamwe na plastisar yongeyeho ni nini cyane kuruta uko idafite plastistizer, kandi iriyongera hamwe no kongera amafaranga yinyongera. Naho hygroscopique ya firime, iriyongera kandi kongera umubare wa plastistizer.
Igihe cya nyuma: Jun-13-2023