PVP-K30 Cas: 9003-39-8 White ka ntụ ntụ ọcha na-acha odo odo
| Nọmba katalọgụ | XD90232 |
| Aha ngwaahịa | PVP-K30 |
| CAS | 9003-39-8 |
| Usoro ihe omimi | C8H15NO |
| Ibu molekụla | 141.2108 |
| Nkọwa nchekwa | Ambient |
| Koodu tarifu akwadoro | 39059990 |
Nkọwapụta ngwaahịa
| Mmiri | <5% |
| Ọla dị arọ | <10ppm |
| pH | 3-7 |
| Ihe fọdụrụ na mgbanye | <0.1% |
| Aldehydes | 0.05% kacha |
| Nitrogen | 11.5-12.8% |
| Ọdịdị | Ọcha na ntụ ntụ ọcha na-acha odo odo |
| K Uru | 27-32.4 |
| Hydrazine | 1.0% kacha |
| Nyocha | 99% |
Anyị enyochala nkwụsi ike anụ ahụ nke mgbasa curcumin amorphous yana ọrụ curcumin-polymer intermolecular mmekọrịta na-egbu oge crystallization.Curcumin bụ onyinye ihe atụ na-adọrọ mmasị ka ọ na-etolite ma njikọ intra na intermolecular hydrogen na kristal.Achọpụtara ihe dị iche iche dị iche iche nke polymer dispersion amorphous;Poly (vinylpyrrolidone), Eudragit E100, carboxymethyl cellulose acetate butyrate, hydroxypropyl methyl cellulose (HPMC) na HPMC-acetate succinate.A na-eji spectroscopy nke etiti-infrared iji chọpụta na ọnụ ọgụgụ nke mmekọrịta curcumin-polymer.A na-enyocha nkwụsi ike anụ ahụ n'okpuru ọnọdụ gburugburu ebe obibi dị iche iche site na ntụ ntụ X-ray diffraction.UV-Vis spectroscopy na-enyocha nkwụsi ike kemịkalụ Curcumin.Mwepu nke curcumin amorphous kwụsiri ike siri ike na enweghị polymer.Polymers gosipụtara na ọ bụ ihe mgbochi curcumin crystallization nke na-eme ka mmepụta nke amorphous siri ike gbasaa;Otú ọ dị, ndị polymers gosipụtara ikike dị iche iche iji gbochie crystallization n'oge nchekwa ogologo oge.Curcumin intramolecular hydrogen bonding belatara ókè nke njikọ hydrogen ya na polymers;N'ihi ya, ọtụtụ polymers abụghị ndị na-egbochi crystallization dị irè nke ukwuu.N'ozuzu, polymers gosipụtara na ọ bụ ndị na-egbochi kristal, ma nkwụsịtụ dị ntakịrị n'ihi njikọ intramolecular hydrogen bonding na curcumin, nke na-eduga n'ibelata ike nke polymers na-emekọrịta ihe na ọkwa molecular.
