Menene Polyvinylpyrrolidone (PVP)?
Polyvinylpyrrolidone, an gajarta a matsayin PVP.Polyvinylpyrrolidone (PVP) wani fili ne wanda ba na ionic polymer wanda aka samar ta hanyar polymerization na N-vinylpyrrolidone (NVP) a ƙarƙashin wasu yanayi.Ana amfani dashi azaman adjuvant, ƙari, da haɓakawa a fannoni da yawa kamar magani, yadi, sinadarai, abin sha, da sinadarai na yau da kullun.Dangane da buƙatun samfur, ana iya raba PVP zuwa nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan suna da nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan ruwa) da masana'antu da masana'antu da masana'antu da masana'antu da masana'antu da darajar masana'antu da darajar abinci da darajar abinci".Homopolymers, copolymers, da kuma samfuran jeri na polymer masu haɗin gwiwa tare da ma'aunin kwayoyin dangi wanda ya kama daga dubunnan zuwa sama da miliyan ɗaya an yi amfani da su sosai saboda kyawawan kaddarorinsu na musamman.
PVP ya kasu kashi hudu bisa matsakaicin nauyin kwayoyinsa, kuma ana wakilta shi da kimar K.Kimar K daban-daban suna wakiltar madaidaicin kewayon matsakaicin nauyin kwayoyin halitta na PVP.Ƙimar K haƙiƙa ƙimar sifa ce mai alaƙa da ɗanɗanon danƙon ɗanyen ruwa na PVP, kuma danko shine adadin jiki mai alaƙa da nauyin kwayoyin halitta na polymers.Sabili da haka, ana iya amfani da ƙimar K don kwatanta matsakaicin nauyin kwayoyin PVP.Yawancin lokaci, ƙimar K mafi girma, mafi girma da danko kuma yana ƙarfafa mannewa.Babban nau'in samfuri da ƙayyadaddun bayanai na PVP ana iya rarraba su cikin matakan danko na K-15, K17, K25, K-30, K60, da K-90 dangane da nauyin kwayoyin halitta.
UNILONG INDUSTRY na iya samar da masu zuwaPVP-Kjerin samfurori:
| TYPE | Farashin K12 | Farashin K15 | Farashin K17 | Farashin K25 | Farashin K30 | Farashin K60 | Farashin K90 | |
| Bayyanar | Farin foda | |||||||
| K daraja | 10.2-13.8 | 12.75-17.25 | 15.3-18.36 | 22.5-27.0 | 27-32.4 | 54-64.8 | 81-97.2 | |
| NVP singel ƙazanta (najasa A) | (CP2005/USP26) % max | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| (USP31/EP6/BP2007) ppm max | 10 | 10 | 10 | 10 | 10 | 10 | 10 | |
| Ruwa % max | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | |
| Abun ciki % min | 95 | 95 | 95 | 95 | 95 | 95 | 95 | |
| pH (5% bayani mai ruwa) | 3.0-5.0 | 3.0-5.0 | 3.0-5.0 | 3.0-5.0 | 3.0-5.0 | 4.0-7.0 | 4.0-7.0 | |
| Sulfate ash% max | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
| Abubuwan da ke cikin Nitrogen | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 | |
| 2-P abun ciki% max | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | |
| Aldehyde ppm max | 500 | 500 | 500 | 500 | 500 | 500 | 500 | |
| Karfe mai nauyi ppm max | 10 | 10 | 10 | 10 | 10 | 10 | 10 | |
| Hydrazine ppm max | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Hydrogen peroxide ppm max | 400 | 400 | 400 | 400 | 400 | 400 | 400 | |
PVP, A matsayin mahaɗar ruwa mai narkewa na ruwa, yana da kaddarorin abubuwan da ke tattare da ruwa mai narkewa na polymer mahadi, ciki har da kariyar colloid, yin fim, haɗin kai, shayar da danshi, solubilization ko coagulation.Duk da haka, mafi kyawun fasalinsa shine kyakkyawar solubility da dacewa da ilimin lissafi, wanda ya jawo hankali.A cikin polymers na roba, PVP, wanda ke narkewa a cikin ruwa da kuma mafi yawan abubuwan da ake amfani da su na kwayoyin halitta, yana da ƙananan ƙwayar cuta, da kuma dacewa mai kyau na ilimin lissafi, ba a saba gani ba, musamman a fannonin da ke da alaƙa da lafiyar ɗan adam kamar magani, abinci, da kayan shafawa.Mai zuwa shine ƙayyadaddun gabatarwa ga wuraren aikace-aikacen sa:
A fagen kayan kwalliyar yau da kullun
A cikin kayan kwalliyar yau da kullun, PVP da copolymer suna da kyakkyawan tarwatsewa da kayan ƙirƙirar fim.PVP na iya kare colloid a cikin ruwan shafa, kuma za'a iya amfani dashi a cikin kitse mai mai da mara kitse, azaman saita ruwa, feshin gashi da wakili na mousse, gashin kwandishan na rana, shamfu kumfa stabilizer, saitin saitin igiyar ruwa, da tarwatsa gashin gashi da wakilin alaƙa.Ƙara PVP zuwa cream ɗin dusar ƙanƙara, allon rana, da wakilan cire gashi na iya haɓaka tasirin jika da lubrication.
Filin wanki
PVP yana da kaddarorin ɓarkewa da haɓakar hazo kuma ana iya amfani da su don shirya ruwa mai tsabta ko kayan wanke-wanke masu nauyi.Ƙara PVP zuwa kayan wanke-wanke yana da sakamako mai kyau na anti discoloration kuma yana iya haɓaka ikon tsaftacewa.Lokacin wanke yadudduka, yana iya hana abubuwan da ake amfani da su na roba daga yin haushin fata, musamman ma filayen roba.Wannan aikin ya fi fice fiye da abubuwan wanke-wanke na carboxymethyl cellulose (CMC).Ana iya haɗa PVP tare da borax a matsayin sinadari mai tasiri a cikin samar da abubuwan tsaftacewa na phenolic.Wankin da ya ƙunshi PVP da hydrogen peroxide yana da ayyukan bleaching da kashe ƙwayoyin cuta.
Buga yadi da rini
PVP yana da alaƙa mai kyau tare da rini na halitta da yawa kuma yana iya haɗuwa tare da zaruruwan roba na roba kamar su polyacrylonitrile, esters, nailan, da kayan fibrous don haɓaka ƙarfin rini da ruwa.Bayan PVP da nailan grafting copolymerization, masana'anta da aka samar sun inganta juriya da danshi.
Shafi da pigments
Fenti da suturar da aka lulluɓe da PVP suna bayyane ba tare da shafar launi na halitta ba, haɓaka kyalli da rarrabuwa na sutura da pigments, haɓaka kwanciyar hankali na thermal, da haɓaka rarrabuwar tawada da tawada.
Filin likitanci
PVP yana da inertness mai kyau na physiological, ba ya shiga cikin metabolism na mutum, kuma yana da kyau kwarai biocompatibility, wanda baya haifar da wani haushi ga fata, mucosa, idanu, da dai sauransu. Likitan aji PVP yana daya daga cikin manyan sababbin magunguna uku da aka ba da shawara a duniya, wanda ke ba da shawara ga duniya. za a iya amfani da a matsayin mai ɗaure don Allunan da granules, da sauran ƙarfi don allura, da kuma kwarara taimako ga capsules;Detoxifiers, extenders, man shafawa da kuma film-forming jamiái ga ido drops, dispersants ga ruwa formulations, stabilizers ga enzymes da thermosensitive kwayoyi, kuma za a iya amfani da a matsayin low-zazzabi preservatives.Ana amfani da ruwan tabarau na lamba don ƙara haɓakar hydrophilicity da lubricity.Bugu da ƙari, ana iya amfani da PVP a matsayin mai launi mai launi da kuma X-ray bambanci;Ana iya amfani dashi don nau'ikan nau'ikan kwayoyi daban-daban kamar allunan, granules, da ruwa.Yana da detoxification, hemostasis, ƙara narkar da taro, rigakafin peritoneal adhesion, da kuma inganta erythrocyte sedimentation kudi.An ƙaddamar da PVP K30 a hukumance tare da amincewar sashin kula da magunguna na ƙasa.
sarrafa abinci
PVP kanta ba carcinogenic ba ce kuma tana da lafiyar abinci mai kyau.Yana iya samar da hadaddun abubuwa tare da takamaiman mahadi na polyphenolic (kamar tannins) kuma ana amfani dashi galibi azaman wakili mai fayyace da tabbatarwa a sarrafa abinci, kamar giya, ruwan 'ya'yan itace, da ruwan inabi.PVP na iya samar da rukunoni tare da takamaiman mahaɗan polyphenolic (kamar tannins), waɗanda ke taka rawa mai fayyace da maganin ƙoshin lafiya a cikin abubuwan sha.Aikace-aikacen PVP mai haɗin gwiwa a cikin giya da abubuwan shan shayi ya yadu musamman.Abubuwan polyphenolic a cikin giya na iya ɗaure tare da sunadarai a cikin giya don samar da rukunin macromolecular tannin tannin, wanda ke tasiri sosai ga dandanon giya kuma yana rage tsawon rayuwar sa.Crosslinked polyvinylpyrrolidone (PVPP) na iya chelate tare da tannic acid da anthocyanins a cikin giya, ta haka yana bayyana giya, inganta kwanciyar hankali, da kuma tsawaita rayuwar sa.A cikin abubuwan sha na shayi, amfani da PVPP na iya rage abun ciki na shayi polyphenols daidai, kuma PVPP baya kasancewa cikin abubuwan sha na shayi, yana mai da shi sake amfani da shi kuma yana rage farashi sosai.
Babban wuraren aikace-aikacen PVP a halin yanzu suna maida hankali ne a cikin masana'antar sinadarai na yau da kullun da masana'antar harhada magunguna, kuma haɓakar waɗannan masana'antu guda biyu za su ci gaba da fitar da babban buƙatun amfani da PVP a nan gaba.A cikin filin PVP mai tasowa, a cikin masana'antar baturi na lithium, ana iya amfani da PVP a matsayin mai rarrabawa ga na'urorin baturi na lithium da kuma kayan aiki na kayan aiki;A cikin photovoltaic masana'antu, PVP za a iya amfani da matsayin dispersant don samar da high quality-spherical azurfa foda ga tabbatacce electrode azurfa manna, takardar-kamar azurfa foda ga korau electrode azurfa manna, da kuma Nano azurfa barbashi.Tare da ci gaba da haɓaka ƙimar shigar batirin lithium da haɓaka ƙarfin shigar da hoto, waɗannan filayen biyu masu tasowa za su fitar da buƙatun PVP sosai.
Unilong ƙwararren mai siyarwa ne, kumajerin PVPan bunkasa kuma an samar dashi tsawon shekaru goma.Tare da canje-canje a cikin kasuwa, samar da kayan aikin PVP yana cikin ƙarancin wadata.A halin yanzu, mun ƙara ƙarin layukan samarwa guda biyu, tare da isassun wadatar kayayyaki da farashi masu dacewa.Da fatan za a ji daɗin tambaya.
Lokacin aikawa: Dec-01-2023