Agaciro ka Ral Ubushyuhe muri HydroxyPropyl Methylcellse

1. Ubushyuhe bwa Gel (0,20 Igisubizo) 50-90 ° C.

2. Gushonga mumazi na polar nyinshi c kandi ikwiye ya ethanol / amazi, poropanol / amazi, Dichlorol, na dichlone, hanyuma ubyimbye muburyo bwiza bwo gukemura amazi akonje. Igisubizo cyamazi gifite ibikorwa byo hejuru, gukorera mu mucyo bikabije hamwe n'imikorere ihamye.

3. HPMC ifite umutungo wa peletal pelation. Igicuruzwa gikemutse gishyuha kugirango gikore gel nabappite, hanyuma bishonga nyuma yo gukonja. Ubushyuhe bwa Gelale bwibisobanuro bitandukanye buratandukanye. Kukesha agaciro biratandukanye na viscosiya. Kumanura viscosiya, niko kwitonda. Ibisobanuro bitandukanye bya HPMC bifite itandukaniro ryibintu byabo, hamwe no gusesa HPMC mumazi ntabwo bigira ingaruka ku gaciro ya PH.

4. Ingano yinshi: Igipimo cya Mesh Pass Igipimo kirenze 98.5%. Ubucucike bukabije: 0.25-0.70g / (mubisanzwe hafi 0.4g /), uburebure budasanzwe 1.26-1.31. Ubushyuhe bwo Guhindura: 180-200 ° C, Ubushyuhe bwa karubone: 280-300 ° C. Uburyo bwagaciro buva kuri 19.0% kugeza 30.0%, hamwe na hydroxyPropyl agaciro kava kuri 4% kugeza 12%. Viscosity (22 ° C, 2%) 5 ~ 2000mpa .s. Ubushyuhe bwa Gel (0.2%) 50-90 ° C.

5. HPMC ifite ibiranga ubushobozi bwo kubyimba, gusohora umunyu, gusohora k'umunyu, kugumana amazi, gushikama kw'igice, umutungo mwiza wa firime, utandukanye kandi ucana.


Igihe cya nyuma: APR-17-2023