Polyvinylidene fluoride/PVDF/CAS: 24937-79-9
Sharaxaad Gaaban:
Magaca Badeecada: Polyvinylide fluoride
CAS: 24937-79-9
Nooca: ZA-Y
MF:C2H2F2
MW:64.0340864
QAAB-DHISMEEDKA:
Sharaxaad:
Poly(vinylidene fluoride) PVDF waa polymer nus-crystalline ah oo aan ahayn centrosymmetric kaas oo muujiya sifooyinka piezo-, pyro- iyo ferroelectric. Waa polymer toosan oo muujiya dipoles koronto oo joogto ah oo ku toosan jihada silsiladda molecular-ka. Dipoles-yadani waxay ka dhashaan farqiga elektaroonigga ah ee u dhexeeya atamka hydrogen iyo fluorine marka loo eego kaarboonka. Iyada oo ku xidhan xaaladaha habaynta, PVDF waxay muujisaa dhowr marxaladood oo kala duwan oo crystalline ah (α,β,γ,δ). Wejiga β ee PVDF waa wejiga muujiya sifooyinka ferroelectric iyo piezoelectric ee ugu fiican.
Faahfaahinta:
| Shay | Faahfaahinta |
| Barta dhalaalaysa | 166-170°C |
| Cufnaanta | 1.78 g/mL heerkul ah 25 °C |
| Cadaadiska uumiga | 15 mm Hg (32 °C) |
| Tusmada Refractive | n20/D 1.42 |
| Heerkulka kaydinta. | Ku shaabadaysan qalalan, Heerkulka Qolka |
| Milmida | qaar ka mid ah dareerayaasha cidhifka ah sida esters-ka dabiiciga ah iyo amines-ka: milma |
| Foomka | Budada. |
| Midab | Caddaan |
Isticmaalka
Poly(vinylidene fluoride) waxay u adkaysataa inta badan asiidhyada iyo alkalies laakiin waxaa weerara asiidhka sulfuric ee qiiqaya. Waa milmi karaa dimethylacetamide laakiin kuma milmi karo dareereyaal yar yar. Copolymers-ka waxaa lagu soo saaray ethylene, tetrafluoroethylene, chlorotrifluoroethylene iyo hexafluoroethylene. Kan dambe waa elastomer oo loo yaqaan Viton ama Fluorel.
Homopolymer-ka waxaa loo isticmaalaa dahaar kiimiko ah oo loogu talagalay birta, dahaarka taangiga, tuubada, iyo qalabka bamka lagu buufiyo. Copolymer-ka elastomeric-ka ee leh hexafluoroethylene marka lagu daaweeyo hexamethylenediamine waxaa loo isticmaalaa shaabad, gasket, 0-ring, tuubo, dahaar iyo dahaar.
Poly(vinylidene fluoride) waxay faa'iido u leedahay dahaarka, filimka, maro shaandhada, dahaarka qalabka, xuubka shaandhaynta, qaybaha bamka, dahaarka iyo waalka. Waxa kale oo loo isticmaalaa sidii agab loogu talagalay qalabka wax lagu beddelo ee qalabka sida sameecadaha dhegaha, makarafoonada iyo qalabka wax lagu ogaado ee dhawaaqa. Waxa kale oo lagama maarmaan u ah codsiyada piezoelectric iyo electrostrictive. Intaa waxaa dheer, waxay faa'iido u leedahay khadadka kalluumeysiga monofilament ee beddelaya monofilament naylon. Waxay u shaqaysaa sidii xidhmo caadi ah oo loo isticmaalo soo saarista elektroodhada isku dhafan ee baytariyada lithium ion. Waxay u adeegtaa sidii dahaar heer sare ah oo loogu talagalay fiilooyinka, walxaha nano iyo dareemayaasha cadaadiska. Waxaa loo isticmaalaa in lagu sameeyo shaandhooyin loo isticmaalo in lagu diyaariyo muunado loogu talagalay koromagrafiga dareeraha ee waxqabadka sare leh iyo farsamooyinka kale ee falanqaynta ee horumarsan.
Dahaarka, filimka, maro shaandheeye, dahaarka qalabka, xuubka shaandhaynta, qaybaha bamka iyo dahaarka iyo waalka.
Baakadeynta iyo Rarista
20KG/Durbaan
Waxay ka tirsan tahay alaabta caadiga ah waxayna ku keeni kartaa bad iyo cirka
Hayso oo kaydi
Muddada shelf-ka: 24 bilood laga bilaabo taariikhda la sameeyay ee baakadaha asalka ah ee aan la furin lagu kaydiyay meel qabow oo qalalan oo ka fog iftiinka qorraxda tooska ah, biyaha.
Bakhaar hawo leh, Qallajin heerkul hooseeya, Ka soocan oksaydhiyeyaasha, asiidhyada.
