Hydroxyyeryl selileni igihangange gikomeye. Due to the advantages of abundant raw material resources, renewable, biodegradable, non-toxic, good biocompatibility, and large yield, its research and application have attracted much attention. . Agaciro ka Viscosity nigipimo cyingenzi cyimikorere ya hydroxyyethyl selile. Muri iyi mpapuro, HydroxyAythyl Cellulose ufite agaciro kanduye 5 × 104MPA · s n'ivu agaciro ka Lynthes binyuze mu buryo bw'icyiciro cya Pynthesisa na AlKalisation no Guhangana n'intambwe ebyiri.
Inzira ya alkalisation nuburyo bwo gutegura bwa Alkali selile. Muri iyi mpapuro, uburyo bubiri bwa alkalisation bukoreshwa. Uburyo bwa mbere nugukoresha acetone nkumucuramuzi. Ibikoresho bya selile birasa neza muburyo bumwe bwa sodium hydroxide igisubizo cyamazebwe. Nyuma yo kwitwara neza bikorwa, umukozi ukurikira wongeyeho gukora muburyo butaziguye. Uburyo bwa kabiri ni uko ibikoresho bya selile byahinduwe mubisubizo bya sodium yamashanyarazi na urea, na selile ya alkali byateguwe nubu buryo bigomba gukubitwa kugirango ukureho Lye mbere yo gutandukana. Itungizo rya Alkali byateguwe nuburyo butandukanye byasesenguwe na Fortcroscopy ya Infrascopy na X-ray. Ukurikije imitungo yibicuruzwa byateguwe na reaction yabuze, uburyo bwo gutoranya bwagenwe.
Kugirango tumenye uburyo bwiza bwo guhinduranya synthesis, uburyo bwo gukora antioxidant, lye na acide yinda mubyifuzo byanyuma byasesenguwe mbere. Noneho shiraho gahunda yubushakashatsi bwimpamvu imwe, menya ibintu bigira ingaruka zikomeye kumikorere ya hydroxxiethyl selile yateguwe, hanyuma ukoreshe ibishishwa byibicuruzwa 2% nkibisobanuro. Ibisubizo byageragejwe byerekana ko ibintu nkabasekuruza byatoranijwe, ingano ya Ethylene yongeyeho, igihe cya alkalisation, ubushyuhe nigihe cyimyitwarire ya kabiri yose bifite uruhare runini mubikorwa bya ibicuruzwa. Gahunda yubushakashatsi bwa orthogonal ifite ibintu birindwi hamwe ninzego eshatu zarashushanyije, kandi ingaruka umurongo ushushanyije kuva mubisubizo byubushakashatsi birashobora gusesengura mu buryo bugamije gukorasengura ibintu by'ibanze n'icya kabiri ndetse na buri kintu. Kugirango utegure ibicuruzwa bifite indangagaciro zo hejuru, gahunda yo kugerageza igerageza, kandi gahunda nziza yo gutegura Hydroxyyethyl yamaze igihe yagenwa n'ibisubizo bigeragejwe.
Imitungo yateguwe cyanehydroxyyeryl selilebarapimwe kandi barimo kugena vino, irimo ivu, ibirimo byinshi, ibinyuranye na gaze ya magratografiya, ibinyuranye na gaze ya magratografiya, ibinyuranye na gazi Gusesengura no kuranga imiterere yibicuruzwa, urwego rwo gusimbuza, impamyabumenyi ya molar, kororana, gutuza kwumva, nibindi byuburyo buvuga ku mahame ya ASTM.
HydroxyAythyl Cellulose, bakomoka kuri churigisi ya selile, yakunze kwitabwaho bitewe n'umitungo mibi y'ibikoresho, kongerwa, bizima, nontodedatable, nontoxic, biocompble, umusaruro mwinshi, kandi umusaruro mwinshi. Uruzinduko rwa HydroxyEthyll selile ni ikintu gikomeye kigaragaza imikorere yacyo. Ibyatsi bya hydroxyyerthyl selile selile irari hejuru ya 5 × 104mpaya, n'ibyo birimo ni munsi ya 0.3%.
Muri iyi mpapuro, HydroxyIthyyl Thullosethy yateguwe nuburyo bwihariye bwikigereranyo binyuze muri alkalisation no gutora. Inzira ya alkalisation ni imyiteguro ya selile ya alkali. Hitamo muburyo bubiri bwa alkalisation. Imwe ni uko ibikoresho bya selile bivugwa muri acetone nka dilusi muri sodium yamashanyarazi, hanyuma ugahinduka reaction yabuze hamwe numukozi ushishikaje. Ibindi nuko ibikoresho bya selile bivugwa mumashanyarazi ya sodium yamashanyarazi kandi urea. Alekali irenze muri selile ya Alkali igomba gukurwaho mbere yimyitwarire. Muri iyi mpapuro, selile zitandukanye za alkali zigwa na inzego zatewe na x-ray. Hanyuma, uburyo bwa kabiri bwemejwe ukurikije imitungo yibicuruzwa byanyuma.
Kugirango hamenyekane intambwe yo gutegura ihinduka, uburyo bwo gusaba antioxidant, acideli na kicetic assile mu buryo bwo kurya bwize. Ibintu bireba gutegura HydroxyAthyl byagenwe n'ikintu kimwe. Ukurikije agaciro ka viscosity y'ibicuruzwa muri 2% yo gukemura. Ibisubizo byubushakashatsi byerekana ko ingano ya Dilunt, ingano ya Etylene, igihe cya alkalisation, ubushyuhe nigihe cyo gusubiramo ibyambere kandi bya kabiri bigize uruhare runini kubikorwa byibicuruzwa. Uburyo bw'ibintu birindwi n'inzego eshatu zafashwe kugirango hamenyekane uburyo bwiza bwo gutegura.
Turasesengura imitungo yateguwehydroxyyeryl selile, harimo na viscosity, ivu, ivu rya rature, ubushuhe, ibibi biranga imiterere, ubumuga bwa ruzinduko, ubumuga bwa gaje, x-ray stfraction, DSC na Dat, na data, na UBURYO BWO GUKURIKIRA ASTM Ibipimo.
Kohereza Igihe: APR-25-2024