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Merck
CN

427144

Sigma-Aldrich

聚偏二氟乙烯

average Mw ~275,000 by GPC, average Mn ~107,000, 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

pellets

熔融指数

7-20 g/10 min (230°C/12.5kg)

分子量

average Mn ~107,000
average Mw ~275,000 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

17,500-21,500 poise(230 °C) (100 sec-1)(lit.)

转变温度

brittleness temperature -62 °C (ASTM D 746)
Tm 166-170 °C (ASTM D 3418)

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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Hanbit Jin et al.
ACS nano, 13(7), 7905-7912 (2019-06-28)
Soft and stretchable electrodes are essential components for skin-tight wearable devices, which can provide comfortable, unobtrusive, and accurate physiological monitoring and physical sensing for applications such as healthcare, medical treatment, and human-machine interfaces. Metal-elastomer nanocomposites are a promising approach, enabling
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
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
Xingtao Zuo et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 66(11), 2343-2348 (2012-10-04)
A new type of poly(vinylidene fluoride)(PVDF)-SiO(2) hybrid anion-exchange membrane was prepared by blending method. The anion-exchange groups were introduced by the reaction of epoxy groups with trimethylamine (TMA). Contact angle between water and the membrane surface was measured to characterize

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