추천 제품
형태
pellets
Quality Level
용융 지수
3.5-7.5 g/10 min (230°C/12.5kg)
분자량
average Mn ~130,000
average Mw ~400,000
충격 강도
12-20 ft-lb/in. (Izod, ASTM D 256, notched)
유전 상수
9.4-10.6, 100 Hz (ASTM D 150)
경도
65-70 (Shore D, ASTM D 2240)
refractive index
n20/D 1.41
점도
23,000-27,000 poise(230 °C) (100 sec-1; typical)(lit.)
전이 온도
brittleness temperature -62 °C (ASTM 2800)
Tm 140-145 °C (ASTM D 3418)
density
1.77 g/mL at 25 °C
SMILES string
FC(F)=C.FC(F)=C(F)C(F)(F)F
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일반 설명
Poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) is a hydrophobic crystalline copolymer with excellent properties such as good thermal stability, high polarity, ionic conductivity, and good solvent resistance.
애플리케이션
Owing to its high polarity, wettability by organic solvents, and relatively high ionic conductivity, PVDF-HFP is widely used as a polymer matrix to prepare gel polymer electrolytes for energy storage applications. For example, it can be used to enhance the performance of flexible solid-state supercapacitors.
It can be used to prepare superhydrophobic polymer nanocomposites. For example, PVDF-HFP- SiO2 composite can be used to enhance the thermochromism in regioregular poly(3-hexylthiophene), P3HT.
It can also be used to prepare lead-free piezoelectric flexible polymer composites for nanogenerators. PVDF-HFP can be preferred over other polymer matrices because of its higher solubility, greater free volume, and better mechanical strength.
It can be used to prepare superhydrophobic polymer nanocomposites. For example, PVDF-HFP- SiO2 composite can be used to enhance the thermochromism in regioregular poly(3-hexylthiophene), P3HT.
It can also be used to prepare lead-free piezoelectric flexible polymer composites for nanogenerators. PVDF-HFP can be preferred over other polymer matrices because of its higher solubility, greater free volume, and better mechanical strength.
Wire and cable coatings, flexible and corrosion-resistant tubing, and liners for pipes and tanks.
특징 및 장점
Excellent thermal stability, chemical and abrasion resistance, impervious to UV degradation, self-extinguishing and retains properties on aging. Improved flexibility at subzero temperatures, stress crack resistance and elongation to break over poly(vinylidene fluoride).
물리적 형태
Crystalline, thermoplastic copolymer.
Storage Class Code
11 - Combustible Solids
WGK
WGK 2
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
개인 보호 장비
Eyeshields, Gloves, type N95 (US)
Nature communications, 11(1), 3823-3823 (2020-08-01)
An accurate extraction of physiological and physical signals from human skin is crucial for health monitoring, disease prevention, and treatment. Recent advances in wearable bioelectronics directly embedded to the epidermal surface are a promising solution for future epidermal sensing. However, the
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