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Merck
CN

427152

Sigma-Aldrich

聚偏二氟乙烯

average Mw ~180,000 by GPC, average Mn ~71,000, beads or pellets

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别名:
PVDF
线性分子式:
(CH2CF2)n
CAS号:
MDL编号:
UNSPSC代码:
12162002
PubChem化学物质编号:
NACRES:
NA.23

蒸汽压

15 mmHg ( 32 °C)

质量水平

形式

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。

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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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)
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
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
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
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

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Electrospinning technique applications discussed, emphasizing control of nanofibers and assembly into 3D architectures.

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