Hangzhou Rainbow Ntshuam & Export Co., Ltd. yog ib qho ntawm cov ua lag luam thiab cov neeg muag khoom ntawm polyvinylpolypyrrolidone (pvpp) hauv Suav teb. Nrog kev paub dhau los, peb zoo siab tos txais koj los yuav customized polyvinylpolypyrrolidone (pvpp) los ntawm peb lub hoobkas. Yog tias koj muaj lus nug txog cov qauv dawb, thov koj xav email rau peb.
Qib: Qib zaub mov
Lub npe tshuaj: Insoluble Polyvinylpyrrolidone
USP/EP npe: Crospovidone
Synonyms: Crospovidonum; crosslinked PVP
INCCTFA lub npe: Insoluble PVP
Cov mis mos molecular: (C₆H₉NO)n
CAS Nr .: 25249-54-1
Lub npe lag luam: Sunvidone CL
Yam ntxwv
Dawb rau yellowish zoo hmoov
Hygroscopic
Odorless los yog nrog ib tug faint yam ntxwv tsw
Insoluble hauv dej, alkali, acid thiab cov organic solvents
Yooj yim swellable hauv dej yam tsis muaj gels
Specification
| Sunlydone | CL | CL-R | CL-S | |
| PH (1% tshem tawm) | 5.0-8.0 | 5.0-8.0 | 5.0-8.0 | |
| Dej, % max. | 5.0 | 5.0 | 5.0 | |
| Sulphate tshauv,% max. | 0.4 | 0.4 | 0.4 | |
| Dej- cov tshuaj soluble, % max. | 1.0 | 1.0 | 1.0 | |
| Dawb -NVP, mg/kg max. | 10 | 10 | 10 | |
| Dawb-N,N'-Divinylinidazolidone, mg/kg max. | 2 | 2 | 2 | |
| Lead, mg/kg max. | 5 | 5 | 5 | |
| Nitrogen,% | 11.0-12.8 | 11.0-12.8 | 11.0-12.8 | |
| Particle loj, microns | 0-300 | 45%<75 | 100%<75 | |
| 15%<37 | ||||
| Sib npaug rau | BASF cov | Divergan R | Divergan F | |
| ISP cov | Disintex | Polgclar R | Polyclar 10 / V |
Daim ntawv thov
- Caw kom meej:Hauv kev tsim cov cawv txiv hmab, npias, cider thiab lwm yam cawv, PVPP feem ntau yog siv los tshem tawm cov xim, tannins, phenolic tshuaj thiab lwm yam impurities hauv cov kua, pab txhim kho qhov pom tseeb, saj thiab ruaj khov ntawm cov cawv. Nws tuaj yeem txo cov saj tsis zoo thiab impurities hauv cawv, yog li txhim kho qhov zoo ntawm cov cawv.
- Haus dej kom meej:PVPP kuj tseem siv dav hauv cov dej tsis muaj dej cawv xws li kua txiv hmab txiv ntoo thiab tshuaj yej haus kom tshem tawm cov impurities thiab turbidity, thiab txhim kho lub pob tshab thiab saj ntawm cov dej haus.
- Kev kho dej:PVPP tseem tuaj yeem siv rau hauv kev lag luam kho dej ua cov khoom siv lim los pab tshem tawm cov teeb meem thiab cov impurities hauv dej thiab ua kom cov dej huv huv.
FAQ
1.Puas yog PVPP muaj kev nyab xeeb thaum siv?
Kev siv PVPP hauv kev lag luam khoom noj khoom haus thiab dej haus tau raug lees paub los ntawm cov qauv kev nyab xeeb khoom noj uas cuam tshuam thiab ua tau raws li qhov yuav tsum tau ua kom tsis yog - lom thiab tsis muaj mob. Thaum siv kom raug, nws muaj kev nyab xeeb thiab tsis cuam tshuam rau tib neeg kev noj qab haus huv.
2. Dab tsi yog qhov zoo ntawm PVPP?
Txhim kho cov txiaj ntsig kom pom tseeb: PVPP tuaj yeem tshem tawm impurities thiab tsw tsw phem hauv cawv thiab dej haus, thiab txhim kho qhov pom tseeb thiab pom tseeb ntawm cov khoom.
Txhim kho saj: Los ntawm kev tshem tawm ntau dhau impurities thiab tannins, PVPP tuaj yeem txhim kho qhov saj ntawm cawv thiab dej haus, ua rau lawv smoother.
3. PVPP cuam tshuam li cas ntawm cov dej qab zib?
PVPP tuaj yeem tshem tawm cov tshuaj phenolic thiab tannins hauv cov dej haus zoo. Cov khoom no feem ntau ua rau iab lossis astringency. Yog li ntawd, tom qab siv PVPP, qhov saj ntawm cov dej haus yuav smoother thiab softer, tsis txhob muaj kev cuam tshuam ntawm impurities ntawm lub tsw.
4. Dab tsi yog qhov txawv ntawm PVPP siv rau hauv cov khoom noj thiab dej haus sib txawv?
Hauv kev tsim cov cawv txiv hmab, PVPP feem ntau yog ntxiv thiab sab laug kom sawv ntsug rau lub sijhawm kom tso cai rau nws nqus cov impurities thiab lim lawv tawm; thaum nyob rau hauv cov kua txiv hmab txiv ntoo thiab dej haus, kev siv PVPP tuaj yeem cuam tshuam nrog kev sib txawv thiab kev pom cov kauj ruam.
5. Yuav khaws PVPP li cas?
Nws yuav tsum tau muab cia rau hauv qhov chaw qhuav, txias thiab qhov cua kom tsis txhob raug dej los yog kub kub. Khaws lub ntim kom ruaj khov tuaj yeem txuas ntxiv nws qhov siv tau.
Cim npe nrov: polyvinylpolypyrrolidone (pvpp), Tuam Tshoj polyvinylpolypyrrolidone (pvpp) Hoobkas
