Hydroxypropyl methyl selulose hamwe na sima

HPMC Hydroxypropyl methyl selulose nigipimo cya sima nikihe?

Amashanyarazi adashobora gukoreshwa n’amazi, ibiranga biterwa nuburemere bukurikira bwibikoresho fatizo bikozwe: beto 30-340, ubwubatsi bwubwubatsi bwamatafari yamatafari 40-50, fibre ya lignin 20-24, calcium ikora 4-6,hydroxypropyl methyl selulose7-9, ifu ya karubide ya silicon 40-45, ifu ya calcium hydroxide 10-20, ifu ya corundum yumukara 10-12, ifu yumujyi munini wumye wa sili 30-35, ubutaka bwumujyi wa Datong 40-45, sulfate ya aluminium 4-6, karboxymethyl Base 20-24, ibikoresho byahinduwe nanotehnologiya ifu ya karubone 4-6, amazi 600-650;Amashanyarazi adashobora gukoreshwa n’amazi y’iki gicuruzwa afite ubushyuhe bukabije, kurwanya umuriro neza, guhuza bikomeye n’urukuta, imbaraga zo kwikomeretsa, imikorere idahwitse, kurwanya gusaza neza, kurengera ibidukikije neza, kutagira amazi meza, kutavunika, kwirinda kugwa.Uyu munsi tuzavuga kubyerekeranye na viscosity ya hydroxypropyl methyl selulose igisubizo cyamazi byose mubice ki?Reka mubyukuri twige.

1. Uburemere bwa molekuline ugereranije, ubushyuhe bwumuti wamazi, igipimo cyo kugabanya nuburyo bwubushakashatsi bwa selile ether;2. Ubushyuhe bwo hejuru bwikirahure, niko uburemere bwa molekuline bugereranije, ubwiza bwumuti buri hejuru;3. Iyo ibintu byinshi biri muri selulose ether, niko ubwinshi bwibisubizo byigisubizo, bityo rero mugushira mubikorwa gusaba tugomba kwitondera umubare ukwiye wo kwishyiriraho, kwirinda kwishyiriraho ni mwinshi, kandi bigira ingaruka kuburyo butaziguye kubiranga sima ya sima. na sima;4. Kimwe na byinshi mubisubizo, viscosity nayo izagabanuka hamwe no kwiyongera kwubushyuhe, hiyongereyeho nibiri muri selile ya selile, niko ingaruka mbi zubushyuhe;Mubyongeyeho, ingaruka zifatika nazo ziratandukanye ukurikije ubwinshi bwamazi akoreshwa muri sima epoxy.

Hydroxypropyl methyl selulose aqueous solution viscosity nayo irashobora kuba nkumuhuza wingenzi kubitekerezo kubitekerezo biranga selile ya ether, niko hejuru yubusembwa bwumuti wamazi, umubyimba wibikoresho bya sima ya epoxy, nibyiza, inyuma yibintu bya plaque, ariko niba ibishishwa ari binini cyane, bizangiza epoxy sima ibikoresho fatizo bihita bivaho kandi bikurikizwe.Kubijyanye na minisiteri imwe yo kwisuzumisha ifite amazi menshi, ubwiza bwa selile ya ether bizerekanwa ko biri hasi.

Cellulose ether yamazi yumuti numubiri wa pseudoplastique, twe mugice cyanyuma cyo kumenya igipimo cyogosha ni kinini, viscosity ni nto.

Kubwibyo, kubivuga muri make ni: guhuriza hamwe kwa sima ya sima bizagabanywa nimbaraga zo hanze, zifasha mubwubatsi bwubwubatsi inyuma, ariko igisubizo cyamazi ya selulose ether mugihe habaye agaciro gake cyane, bizabaho ibiranga non- Amazi ya Newtonian, kurundi ruhande, iyo agaciro kiyongereye kongerewe, igisubizo cyamazi kizabaho ibintu biranga pseudoplastique.

Kubika amazi muri hydroxypropyl methyl selulose nimwe mubintu byingenzi bya hydroxypropyl methyl selulose.Igipimo cyuka cyamazi yibintu bivangwa na minisiteri ivanze nibicuruzwa bya plasta bigira ingaruka kubushyuhe bwa gaze, ubushyuhe nigipimo cyumuvuduko.Kubwibyo, mubihe bitandukanye, wongeyeho hydroxypropyl methyl selulose ingano yingirakamaro yibicuruzwa byamazi bifite itandukaniro.

Muri rusange, uko ubukonje bwa hydroxypropyl methyl selulose bugenda burushaho kuba bwiza, niko ingaruka nziza yo gufata amazi izaba nziza, ariko ingaruka z’ubukonje bwo gufata amazi zizagabanuka nyuma yubukonje burenze 100.000 Mpa.s.Iyo ubwiza bwa HYDROXYpropyl methyl selulose burenga 100.000, igipimo cyo gufata amazi kirashobora kunozwa cyane mukongera ubwinshi bwa hydroxypropyl methyl selulose.

Mubikorwa birambuye byubwubatsi, ingaruka zo gufata amazi ya slurry zirashobora guhinduka muguhindura ingano ya hydroxypropyl methyl selulose.Hydroxypropyl methyl selulose yibicuruzwa birashobora gukemura neza ikibazo cyo gufata amazi munsi yubushyuhe bukabije.Mubihe byubushyuhe bukabije, cyane cyane ahantu hashyushye kandi harambiranye no kubaka chromatografiya kuruhande rwizuba, HYDROXYpropyl methyl selulose yujuje ubuziranenge irasabwa kugirango amazi agabanuke.

Ubwiza buhanitse bwa hydroxypropyl methyl selulose, bufite uburinganire bwiza, butili ya gatatu ya butyl na hydroxypropyl ogisijeni ikora hamwe na fibre molekulari yimiterere ihuriweho hamwe, irashobora guteza imbere itsinda rya methyl aldehyde na ogisijeni, kandi ubwiza bwamazi yububiko bwa covalent bonds burashobora , guhinduka amazi n'amazi yo gutatanya, hanyuma ugenzure neza ikirere cy'ubushyuhe bwo hejuru giterwa no guhumeka kw'amazi, kubika amazi menshi.

Ubwiza bwa hydroxypropyl methyl selulose burashobora guhuza ubutaka bwubucuruzi nubucuruzi mubicuruzwa bivangwa na minisiteri ivanze na pompe, hamwe nuduce twinshi twinshi cyst, itose, ikonje, kandi ikora urwego rwa firime, ubushuhe mugihe kirekire kirekuye buhoro buhoro kuva hasi, hamwe na gutangira ibinyabuzima bivanze bivangwa na hydration reaction, hanyuma byemeze guhuza ibikoresho fatizo imbaraga zo gukomeretsa n'imbaraga zingana.Mugihe cyubushyuhe bwo hejuru bwubushyuhe bwo kubaka icyi, rero, kugirango bigere kumazi, bigomba kuba bihuye na resept yumubare runaka nubwiza bwibicuruzwa bya hydroxypropyl methyl selulose, bitabaye ibyo, bizerekana kurambirwa byihuse kandi bitera hydrated idahagije, bigabanya kwikuramo imbaraga, gucamo ibice, byagaragaye imico nka metope ingoma yubusa no gushidikanya, nayo ihujwe na coefficient yo kubaka abakozi.Mugihe ubushyuhe bugabanutse, ingano ya hydroxypropyl methyl selulose irashobora kugabanuka buhoro buhoro kandi ingaruka zimwe zo gufata amazi zirashobora kugerwaho.

Niba ether ya selile yongeyeho, chromatografi ya sima nshya ya sima izuma vuba, gukora beto ntishobora kuyoborwa muburyo busanzwe, bikavamo isima ya sima ntishobora gukomera no kubona neza.Muri icyo gihe, iyongerwaho rya selile ether ituma sima ya sima igira ihindagurika ryiza kandi igahinduka, kandi igahindura imbaraga zo guhuza imbaraga za sima ya sima.

1, hydroxypropyl methyl selulose ingano yubunini

Ingano yubunini bwa selile ether yangiza imbaraga zayo.Ether nziza ya selile nziza, niko umuvuduko wacyo wangirika mumazi kandi niko biranga amazi.Kubwibyo, ingano yubunini bwa selile ether igomba gushyirwa mubushakashatsi bwa kimwe mubiranga.Muri rusange, selile ya ether ingano ya 80 mesh ishingiye.

2, hydroxypropyl methyl selulose yumye nta gipimo cya rukuruzi

Manic yumye nta gipimo cya rukuruzi, bivuga ubushyuhe runaka bwa manic selulose ether yumye, gutakaza ubuziranenge bwimiti byagize ubwiza bwicyitegererezo cyambere cyijana cyibigize.Kubwiza runaka bwa selulose ether yumye idafite umuvuduko ukabije ni mwinshi, bizagabanya ibice bijyanye na selulose ether, byangiza ingaruka nyazo zo gukoresha ibigo byo hasi, ariko kandi bizamura igiciro cyubuguzi.Mubisanzwe selile yumye ya selile idafite igipimo cyingufu ntishobora kurenga 5.0%.

3, hydroxypropyl methyl selulose potassium thiocyanate ivu

Kubwiza runaka bwa selulose ether mubirimo ivu ni byinshi cyane, bizagabanya ether ya selile mubice bijyanye, byangiza ingaruka nyazo zo gukoresha amasosiyete yo hasi, selulose ether potassium thiocyanate ivu nicyo kintu nyamukuru cyibanze kubiranga indangagaciro.

4, hydroxypropyl methyl selulose viscosity

Hydroxypropyl methyl selulose igumana amazi ningaruka zo kubyimba nurufunguzo rwo kongeramo sima mortar selulose ether mubwiza bwayo no kuyishyiramo.

5, hydroxypropyl methyl selulose PH agaciro

Ubukonje bwibicuruzwa bya hydroxypropyl methyl selulose bigabanuka buhoro buhoro ku bushyuhe bwo hejuru cyangwa nyuma yo kubikwa igihe kirekire, cyane cyane kubicuruzwa byijimye cyane, bityo agaciro ka pH kagomba kuba gake.Mubisanzwe biteganijwe ko icyiciro cya PH agaciro ka selile ether igomba gukoreshwa nka 5-9.

6. Kwanduza hydroxypropyl methyl selulose

Ibyiza nibibi byo kwanduza hydroxypropyl methyl selulose irashobora kugira ingaruka itaziguye ingaruka zikoreshwa ryayo mubikoresho byubaka.Ibintu byibanze byangiza ihererekanyabubasha rya selile ether ni1) ubwiza bw'ibikoresho fatizo;(2) ingaruka nyazo zo gukuraho;(3) Gutunganya ikoranabuhanga;(4) gutegura ibishishwa kama;(5) Ingaruka nyayo ya zhonghe.

Ukurikije ingaruka zifatika zifatika, kwanduza selile ya selile ntigomba kuba munsi ya 80%.

7, hydroxypropyl methyl selulose ikekwa ubushyuhe

Hydroxypropyl methyl selulose mubice bya sima nkurufunguzo rwo kongera ibifatika, ibishishwa hamwe nububiko bwamazi, bityo ubukonje nubushyuhe bwa gel nicyo kintu cyingenzi cyerekana agaciro ka hydroxypropyl methyl selulose.Ubushyuhe bukoreshwa muguhitamo ubwoko nibisobanuro bya selile ya selile, kandi urwego rwo gusimbuza ether selile.

8. Byongeye kandi, umunyu nibisigara nabyo bizangiza ubushyuhe bwa kole.Iyo ubushyuhe bwumuti wamazi buzamutse, fibre polymer ibura buhoro buhoro amazi, kandi ubwiza bwumuti wamazi buragabanuka.Iyo ingingo ifatika igeze, polymer yumye rwose kandi ifata umusaruro.Kubwibyo, ubushyuhe bwimikorere yabanyamuryango ba sima mubusanzwe buri munsi yubushyuhe bwambere bwa kole.Muri iki gipimo, ubushyuhe buri hasi, niko hejuru yubukonje, ningaruka zikomeye zifatika zo kwifata no kubika amazi.