1. Gel tembiricha (0.2% solution) 50-90°C.
2. Inonyungudika mumvura uye yakawanda polar c uye chikamu chakakodzera che ethanol / mvura, propanol / mvura, dichloroethane, nezvimwewo, isinganyunguriki mu ether, acetone, absolute ethanol, uye inoputika kuva yakajeka kana zvishoma turbid mumvura inotonhora colloidal solution. Mushonga wemvura une basa repamusoro, kujeka kwepamusoro uye kushanda kwakagadzikana.
3. HPMC ine pfuma yekupisa gelation. Chigadzirwa chine aqueous solution chinopisa kuti chigadzire gel uye chinonaya, uye chinozonyungudika mushure mekutonhora. Iyo tembiricha yegelation yemhando dzakasiyana dzakasiyana. Solubility inosiyana ne viscosity. Iyo yakaderera viscosity, iyo yakakura solubility. Madiro akasiyana eHPMC ane mimwe misiyano mumidziyo yavo, uye kunyungudika kweHPMC mumvura hakukanganiswe neiyo pH kukosha.
4. Particle size: 100 mesh pass rate yakakura kudarika 98.5%. Kuwanda kwehuwandu: 0.25-0.70g/ (kazhinji kutenderera 0.4g/), chaiyo giravhiti 1.26-1.31. Discoloration tembiricha: 180-200°C, carbonization tembiricha: 280-300°C. Kukosha kwemethoxyl kunotangira pa19.0% kusvika pa30.0%, uye kukosha kwehydroxypropyl kunotangira pa4% kusvika pa12%. Viscosity (22°C, 2%) 5～200000mPa .s. Gel tembiricha (0.2%) 50-90°C
5. HPMC ine maitiro ekukora kukwanisa, kubuda munyu, kugadzikana kwePH, kuchengetedza mvura, kugadzikana kwedimensional, yakanakisa firimu-kuumba pfuma, yakawanda ye enzyme kuramba, dispersibility uye kubatana.
Nguva yekutumira: Kubvumbi-17-2023