427144
聚偏二氟乙烯
average Mw ~275,000 by GPC, average Mn ~107,000, pellets
别名:
PVDF
蒸汽压
15 mmHg ( 32 °C)
质量水平
表单
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。
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)
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
Vincent S D Voet et al.
Nanoscale, 5(1), 184-192 (2012-11-10)
The fabrication of nanoporous poly(vinylidene fluoride) (PVDF) and PVDF/nickel nanocomposites from semicrystalline block copolymer precursors is reported. Polystyrene-block-poly(vinylidene fluoride)-block-polystyrene (PS-b-PVDF-b-PS) is prepared through functional benzoyl peroxide initiated polymerization of VDF, followed by atom transfer radical polymerization (ATRP) of styrene. The
S V Ivanov et al.
Klinichna khirurhiia, (7)(7), 37-41 (2012-10-05)
The results of experimental and clinical studies for the comparative evaluation of implants used in herniology of polytetrafluoroethylene (PTFE) and polyvinylidene fluoride (PVDF) are presented. Experimental investigations conducted on 200 mice, which in the anterior abdominal wall mesh prosthesis implanted.
Orang Seyeddain et al.
Journal of cataract and refractive surgery, 39(2), 234-241 (2012-12-19)
To report the 2-year postoperative safety and efficacy outcomes after monocular Kamra corneal inlay (ACI7000PDT) implantation in femtosecond laser-created corneal pockets of emmetropic presbyopic patients to improve near and intermediate vision. University Eye Clinic, Paracelsus Medical University, Salzburg, Austria. Prospective
Lori Vidal Denham et al.
The Journal of the Acoustical Society of America, 132(3), 1368-1377 (2012-09-18)
Properties of a piezoelectric polymeric angioplasty balloon that may decrease the problems of acute closure and restenosis are evaluated in this study. Polyvinylidene difluoride (PVDF), a piezoelectric and pyroelectric polymer, has sufficient strength to serve as a standard angioplasty balloon
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