427152
聚偏二氟乙烯
average Mw ~180,000 by GPC, average Mn ~71,000, beads or pellets
别名:
PVDF
蒸汽压
15 mmHg ( 32 °C)
质量水平
表单
beads or pellets
熔融指数
20-35 g/10 min (230°C/3.8kg)
分子量
average Mn ~71,000
average Mw ~180,000 by GPC
影响强度
2-4 ft-lb/in. (Izod, ASTM D 256, notched)
介电常数
8.0-9.5, 100 Hz (ASTM D 150)
硬度
76-80 (Shore D, ASTM D 2240)
折射率
n20/D 1.42
ASTM D5504-01/3835
6,000-7,500 poise(230 °C) (100 sec-1)(lit.)
转变温度
brittleness temperature -62 °C (ASTM D 746)
Tm 155-165 °C
溶解性
some polar solvents such as organic esters and amines: soluble
密度
1.78 g/mL at 25 °C
SMILES字符串
FC(F)=C
InChI
1S/C2H2F2/c1-2(3)4/h1H2
InChI key
BQCIDUSAKPWEOX-UHFFFAOYSA-N
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应用
涂料、薄膜、滤布、仪器内衬、滤膜、泵零件和内衬以及阀门。
特点和优势
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。
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
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
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
Christian M Coviello et al.
IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 59(10), 2322-2330 (2012-11-13)
A new 2-D hydrophone array for ultrasound therapy monitoring is presented, along with a novel algorithm for passive acoustic mapping using a sparse weighted aperture. The array is constructed using existing polyvinylidene fluoride (PVDF) ultrasound sensor technology, and is utilized
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
商品
Electrospinning technique applications discussed, emphasizing control of nanofibers and assembly into 3D architectures.
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