Hangzhou Rainbow Import & Export Co., Ltd. yog ib qho ntawm cov ua lag luam thiab cov muag khoom ntawm vinylpyrrolidone-copolymer hauv Suav teb. Nrog kev paub ntau, peb zoo siab tos txais koj los yuav customized vinylpyrrolidone-copolymer los ntawm peb lub hoobkas. Yog tias koj muaj lus nug txog cov qauv dawb, thov koj xav email rau peb.
Vinylpyrrolidone-Copolymer yog ib hom molecular hnyav polymer tsim los ntawm polymerization ntawm N-vinylpyrrolidone (NVP) thiab lwm yam monomers. NVP muaj cov tshuaj lom neeg tshwj xeeb thiab tuaj yeem copolymerize nrog ntau hom monomers (xws li yas acetate) los tsim cov qauv molecular nrog cov khoom sib txawv.
SunvidonEVAua tau raws li cov cai ntawm USP, EP thiab JP qhov tseeb
| Kev daws teeb meem (10%) | BY₅,B₅min. | Cov impurity C | 10 ppm max. |
| K tus nqi | 25.2-30.8 | Cov hlau hnyav | 20 ppm max |
| Aldehydes | 500ppm max. | Poob rau ziab | 5.0% max |
| Peroxides | 400 ppm max. | sulphate tshauv | 0.1% max |
| Hydrazine | 1 ppm max. | Ethenyl acetate hmoov | 35.3%-42.0% |
| impurity A | 0.5% max. | Nitrogen | 7.0%-8.0% |
| ImpurityB | 10 ppm max. |
Yam ntxwv
Dawb los yog daj me ntsis, dawb - cov hmoov ntws nrog cov yam ntxwv tsw tsw, yuav luag tsis muaj ntxhiab.
Sunvidone VA yog yooj yim soluble nyob rau hauv tag nrho cov hydrophilic kuab tshuaj. Cov kev daws teeb meem nrog ntau tshaj 10% tuaj yeem npaj tau hauv dej, ethanol, isopropanol, dichloromethane, glycerol, propylene glycol, thiab tsis tshua muaj soluble hauv ethers, cycloaliphatic thiab alicyclic hydrocarbons
| --Dry binder rau ncaj qha compression | Nyob nruab nrab ntawm 2% thiab 5%, raws li ib feem ntawm qhov kawg hnyav ntawm lub |
| --Ntaus granulation | kev npaj, feem ntau yog siv. |
| -- Zaj duab xis txheej | Sunvidone⁸VA tsim cov yeeb yaj kiab uas yog soluble ntawm txhua tus nqi pH |
| --Subcoating/Sugar-coating | Sunvidone VA yog siv rau hauv qab zib- txheej los txhim kho qhov adhesion ntawm txheej rau saum npoo ntawm cov ntsiav tshuaj |
| --Txaus | nce lub peev xwm ntawm txheej txheej rau pigments |
| --Controlled-release npaj | txhim kho lawv dispersibility. |
| Ntim | 25KG net hauv fiber ntau nruas lossis PP nruas |
Hais txog peb lub tuam txhab
Huzhou Sunflower Pharmaceutical Co., Ltd. (Sunflower Pharmaceutical) tau tsim nyob rau hauv 2015 raws li lub tuam tsev tshuaj ntawm Hangzhou Sunflower Technology Development Co., Ltd. Sunflower Pharmaceutical tau txais tag nrho cov cuab tam ntawm Hangzhou Sunflower Technology Development Co., Ltd., xws li cov cuab yeej siv, thev naus laus zis, khoom, pab pawg, kev tswj hwm thiab kev lag luam. Lub tuam txhab muaj peev xwm tsim tau txhua xyoo ntawm 1,000 tons ntawm qhov hnyav molecular povidone (povidone K12, K15, K17, K25 thiab K30) thiab muaj peev xwm tsim tau txhua xyoo ntawm 600 tons ntawm kev ruaj ntseg povidone raws li GLP cov cai. Cov cog tshiab siab molecular hnyav (povidone K60, K90, K120) tau pib ua haujlwm thaum Lub Xya Hli 2022. Lub peev xwm tsim tawm tshiab yuav ncav cuag 3,000 tons hauv ib xyoos. Nrog cov peev txheej tshiab no muab tso rau hauv ntau lawm, peb yuav dhau los ua cov chaw tsim khoom loj tshaj plaws ntawm PVPK90 hauv Suav teb. Peb lub tuam txhab ua lag luam ua raws li "neeg- taw qhia, kev tsim kho tshiab- taw qhia" kev lag luam lub tswv yim, txuas ntxiv txhim kho kev tshaj lij, kev siv tau thiab kev ua tau zoo ntawm nws cov khoom, thiab tau cog lus los ua lub hom phiaj ntawm lub tuam txhab txoj kev loj hlob. Peb txaus siab los tsim kom muaj kev sib raug zoo nrog cov neeg siv khoom hauv tsev thiab txawv teb chaws ntev, muab cov khoom zoo thiab cov kev pabcuam siab dawb rau koj, thiab tsim kev nplua nuj ntawm sab ntsuj plig thiab khoom siv nrog koj.
FAQ
Q: Nws ua li cas txog kev tiv thaiv ib puag ncig? Puas yog ib puag ncig tus phooj ywg?
A: Tus phooj ywg zoo heev. Ua ntej tshaj plaws, nws cov txheej txheem synthesis ua raws li lub tswv yim ntawm ntsuab chemistry thiab txo qis kev tsim kev puas tsuaj los ntawm - khoom. Qhov thib ob, nyob rau hauv lub davhlau ya nyob twg siv cov khoom, xws li nyob rau hauv daim ntawv thov ntawm coatings, nws muaj tsawg volatile organic Cheebtsam, uas txo cov pa phem rau cov huab cua; Thaum siv rau hauv kev sib txuas ntawm qee cov ntaub ntawv degradable, nws tuaj yeem maj mam decompose nyob rau hauv ib puag ncig ntuj thaum lub sij hawm, tsis nqa ntev - lub nra hnyav rau cov av, thiab lwm yam, uas yog tag nrho raws li kev tiv thaiv ib puag ncig tam sim no.
Q: Yog tias koj xav ua cov tshuaj uas muaj PVP homopolymer, yuav tsum muaj kev lees paub dab tsi hauv kev xaiv cov khoom xyaw?
A: Thaum ua cov tshuaj muaj PVP homopolymer, purity ntawm PVP yuav tsum nruj me ntsis tswj kom ua tau raws li cov qauv siab ntawm cov tshuaj, thiab cov ntsiab lus monomer residual yuav tsum nruj me ntsis tswj; nws cov khoom hnyav molecular yuav tsum raug tswj xyuas kom ruaj khov thiab tso tawm, xws li cov tshuaj hauv qhov ncauj uas siv qhov hnyav molecular kom ua tiav cov tshuaj tua kab mob hauv plab; cov PVP xaiv thiab lwm cov khoom xyaw thiab cov khoom ntxiv ntawm cov tshuaj yuav tsum muaj cov tshuaj zoo thiab lub cev ruaj khov, xws li cov tshuaj txhaj tshuaj kom ntseeg tau tias cov tshuaj muaj tseeb thiab cov tshuaj muaj txiaj ntsig ntev - kav ntev; thiab kev txwv microbial yuav tsum ua tau raws li tus qauv, thiab kev tsim khoom thiab ntim khoom yuav tsum tau ua raws li GMP cov lus qhia kom tshem tawm cov kab mob thiab ua kom muaj kev nyab xeeb ntawm cov tshuaj.
Q: Rau cov tshuaj uas xav tau kev ncua kev ncua, lub luag haujlwm tseem ceeb dab tsi tuaj yeem ua si PVP?
A: Thaum cov tshuaj xav tau kev ncua kev ruaj ntseg, PVP ua lub luag haujlwm zoo. Ntawm qhov tod tes, nws tuaj yeem sib npaug sib npaug hauv cov txheej txheem kev daws teeb meem nrog kev solubility zoo los tsim ib qho chaw ruaj khov los cuam tshuam cov sedimentation ntawm cov tshuaj, yog li cov tshuaj raug tshem tawm tuaj yeem raug tshem tawm ruaj khov thiab cov koob tshuaj tuaj yeem raug coj los raug thaum lub sijhawm khaws thiab siv. Ntawm qhov tod tes, nws cov molecules yog adsorbed rau ntawm qhov chaw ntawm cov tshuaj, thiab cov nyhuv steric hindrance yog siv los tiv thaiv cov khoom los ntawm agglomerating thiab agglomerating, thiaj li hais tias qee cov tshuaj tua kab mob ncua sij hawm tuaj yeem daws qhov teeb meem khaws cia agglomeration, txhim kho kev ruaj ntseg thiab ntev txee lub neej.
Cim npe nrov: vinylpyrrolidone-copolymer, Tuam Tshoj vinylpyrrolidone-copolymer Hoobkas
