427152
聚偏二氟乙烯
average Mw ~180,000 by GPC, average Mn ~71,000, beads or pellets
别名:
PVDF
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关于此项目
线性分子式:
(CH2CF2)n
化学文摘社编号:
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
MDL number:
InChI
1S/C2H2F2/c1-2(3)4/h1H2
SMILES string
FC(F)=C
InChI key
BQCIDUSAKPWEOX-UHFFFAOYSA-N
vapor pressure
15 mmHg ( 32 °C)
form
beads or pellets
melt index
20-35 g/10 min (230°C/3.8kg)
mol wt
average Mn ~71,000, average Mw ~180,000 by GPC
impact strength
2-4 ft-lb/in. (Izod, ASTM D 256, notched)
dielectric constant
8.0-9.5, 100 Hz (ASTM D 150)
hardness
76-80 (Shore D, ASTM D 2240)
refractive index
n20/D 1.42
ASTM D 3835
6,000-7,500 poise(230 °C) (100 sec-1)(lit.)
transition temp
brittleness temperature -62 °C (ASTM D 746), Tm 155-165 °C
solubility
some polar solvents such as organic esters and amines: soluble
density
1.78 g/mL at 25 °C
Quality Level
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Application
涂料、薄膜、滤布、仪器内衬、滤膜、泵零件和内衬以及阀门。
Features and Benefits
结晶方式至少有 3 种，具体情况取决于结晶条件。机械强度高、耐磨性强和电介质强度高。能够抵抗多数化学品、紫外幅射、风化和真菌。
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Luminita Nicoleta Dumitrescu et al.
Molecules (Basel, Switzerland), 25(3) (2020-02-06)
Recent advancements in biomedicine have focused on designing novel and stable interfaces that can drive a specific cellular response toward the requirements of medical devices or implants. Among these, in recent years, electroactive polymers (i.e., polyvinylidene fluoride or PVDF) have
Alois K Dexl et al.
Journal of cataract and refractive surgery, 38(10), 1808-1816 (2012-08-28)
To evaluate change in reading performance parameters after monocular Kamra corneal inlay implantation for the surgical correction of presbyopia. University surgical outpatient center. Prospective interventional case series. A corneal inlay was implanted in the nondominant eye. Naturally emmetropic and presbyopic
Evaluation of a commercially available polyvinylidene fluoride membrane filtration system for water decontamination.
M R Francis et al.
Indian journal of medical microbiology, 31(1), 97-98 (2013-03-20)
Dongrui Wang et al.
ACS applied materials & interfaces, 4(11), 6273-6279 (2012-11-01)
In this work, two series of nanocomposites of poly(vinylidene fluoride) (PVDF) incorporated with reduced graphene oxide (rGO) and poly(vinyl alcohol)-modified rGO (rGO-PVA) were fabricated using solution-cast method and their dielectric properties were carefully characterized. Infrared spectroscopy and atom force microscope
Pavel V Lukashev et al.
ACS nano, 6(11), 9745-9750 (2012-10-09)
Electric field control of magnetization is one of the promising avenues for achieving high-density energy-efficient magnetic data storage. Ferroelectric materials can be especially useful for that purpose as a source of very large switchable electric fields when interfaced with a
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Electrospinning technique applications discussed, emphasizing control of nanofibers and assembly into 3D architectures.
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