Hydroxypropyl methyl selulose, urabizi?

1.HPMCigabanijwe muburyo bwubwoko nubwoko bwihuse.

Ubwoko bwa HPMC bwihuta bwongeweho inyuguti ya S, kandi glyoxal igomba kongerwaho mugihe cyo gukora.

Ubwoko bwa HPMC ntabwo bwongeyeho inyuguti iyo ari yo yose, nka “100000 ″ bisobanura“ 100000 viscosity.

2. Hamwe na S cyangwa idafite S, ibiranga biratandukanye

Gukwirakwiza vuba HPMC ikwirakwira vuba iyo ihuye namazi akonje ikabura mumazi. Muri iki gihe, amazi ntagira ubwiza, kubera ko HPMC ikwirakwizwa mu mazi gusa nta gushonga. Nyuma yiminota igera kuri ibiri, ubwiza bwamazi bugenda bwiyongera buhoro buhoro, bigakora ibibyibushye bibonerana Thick colloid.

HPMC ako kanya irashobora gukwirakwizwa vuba mumazi ashyushye kuri 70 ° C. Iyo ubushyuhe bugabanutse ku bushyuhe runaka, ibishishwa bizagaragara buhoro buhoro kugeza igihe ibinyabuzima bibonerana biboneye.

3.Kuri cyangwa udafite S, intego iratandukanye

HPMC ako kanya irashobora gukoreshwa gusa muri poro ya poro na minisiteri. Muri kole yamazi, gusiga amarangi no gukaraba, hazabaho ibintu byo guteranya kandi ntibishobora gukoreshwa.

Bitatanye vubaHPMCifite uburyo bwinshi bwo gusaba kandi irashobora gukoreshwa mu ifu yuzuye, minisiteri, kole yamazi, irangi, hamwe no gukaraba ibicuruzwa nta kubuza kubuza.

4.Uburyo bwo gusesa

4-1. Fata amazi asabwa asabwa, uyashyire muri kontineri hanyuma uyashyuhe hejuru ya 80 ° C, hanyuma wongereho ibicuruzwa buhoro buhoro. Cellulose ireremba hejuru y’amazi ubanza, ariko igenda ikwirakwira buhoro buhoro kugirango ibe imwe. Igisubizo cyakonje mugihe gikurura.

4-2. Ubundi, shyushya 1/3 cyangwa 2/3 byamazi ashyushye hejuru ya 85 ° C, ongeramo selile kugirango ubone amazi ashyushye, hanyuma wongeremo amazi asigaye asigaye, komeza ubyuke, hanyuma ukonje imvange yavuyemo.

4-3. Urushundura rwa selile rumeze neza, kandi rubaho nkutuntu duto duto muri porojeri iringaniye, kandi irashonga vuba iyo ihuye namazi kugirango ikore ubukonje bukenewe.

4-4. Buhoro buhoro kandi bingana kongeramo selile mubushyuhe bwicyumba, hanyuma ukomeze kubyutsa kugeza igisubizo kiboneye.

5.Ni ibihe bintu bigira ingaruka ku gufata amazi ya hydroxypropyl methyl selulose?

5-1. Cellulose ether HPMC ubutinganyi

HPMC iringaniye, metoxyl na hydroxypropoxyl iragabanijwe neza, kandi igipimo cyo gufata amazi ni kinini.

5-2. Cellulose ether HPMC ubushyuhe bwa gel

Iyo ubushyuhe bwa gel ubushyuhe buri hejuru, niko igipimo cyo gufata amazi kiri hejuru; bitabaye ibyo, gabanya igipimo cyo gufata amazi.

5-3. Cellulose Ether HPMC Viscosity

Iyo ubwiza bwa HPMC bwiyongereye, igipimo cyo gufata amazi nacyo cyiyongera; iyo viscosity igeze kurwego runaka, kwiyongera k'igipimo cyo gufata amazi bikunda kuba byoroheje.

6.Kongera umubare wa selile ether HPMC

Umubare munini wa selile ya etherHPMCwongeyeho, uko igipimo cyo gufata amazi kiri hejuru ningaruka nziza yo gufata amazi.

Mu ntera ya 0,25-0,6%, igipimo cyo gufata amazi cyiyongereye vuba hamwe n’iyongera ry’amafaranga yiyongereye; iyo amafaranga yiyongereye yarushijeho kwiyongera, ubwiyongere bwikigero cyo gufata amazi bwaragabanutse.