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Merck

182702

Sigma-Aldrich

聚偏二氟乙烯

average Mw ~534,000 by GPC, powder

别名:

PVDF

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About This Item

线性分子式:
(CH2CF2)n
CAS号:
MDL號碼:
分類程式碼代碼:
12162002
PubChem物質ID:
NACRES:
NA.23

蒸汽壓力

15 mmHg ( 32 °C)

形狀

powder

分子量

average Mw ~534,000 by GPC

折射率

n20/D 1.42

轉變溫度

Tg −38 °C
Tm 171 °C

密度

1.74 g/mL at 25 °C

SMILES 字串

FC(F)=C

InChI

1S/C2H2F2/c1-2(3)4/h1H2

InChI 密鑰

BQCIDUSAKPWEOX-UHFFFAOYSA-N

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一般說明

聚偏氟乙烯(PVDF)是一种具有压电、热电、铁电性质的半晶非中心对称聚合物。它是一种线性聚合物,表现出垂直于分子链方向的永久性电偶极子。这些偶极子是由于氢和氟原子对碳的电负性不同而产生的。根据工艺条件,PVDF呈现出不同的结晶相(α,β,γ,δ)。PVDF的β相表现出最佳的铁电和压电性能。

應用

聚偏氟乙烯(PVDF)用于纳米孔电极。它可用于合成嵌有碳纳米管的PVDF超细纤维复合材料。此外,它还可用于传感器、驱动器、储能、血压计、压力传感器、纳米发电机、锂离子电池等。此外,它还可作为聚偏氟乙烯-纳米粘土纳米复合材料和聚偏氟乙烯-丙烯酸橡胶/粘土纳米复合材料的基质。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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其他客户在看

Hot Plate Annealing at a Low Temperature of a Thin Ferroelectric P(VDF-TrFE) Film with an Improved Crystalline Structure for Sensors and Actuators.
Sensors (Basel, Switzerland), 14(10), 19115-19127 null
Thermal-to-electric energy conversion of a nanoporous carbon
Yu Q, et al
Journal of Power Sources, 183(1), 403-405 (2008)
Shu-Hua Wang et al.
Nanoscale research letters, 9(1), 522-522 (2014-10-08)
Poly(vinylidene fluoride) (PVDF) ultrafine fibers with different proportions of multi-walled carbon nanotube (MWCNT) embedded have been fabricated using a modified electrospinning device with a rotating collector. With the increasing of MWCNT content, the β phase was noticeable enhanced, and the
Chi Yan Lai et al.
Membranes, 4(1), 55-78 (2014-06-25)
Current commercial polymer membranes have shown high performance and durability in water treatment, converting poor quality waters to higher quality suitable for drinking, agriculture and recycling. However, to extend the treatment into more challenging water sources containing abrasive particles, micro
Wenzhong Ma et al.
Membranes, 4(2), 243-256 (2014-06-25)
The crystallization behaviors of two copolymers of PVDF were studied, and the effect of copolymerized chains on the crystallization behavior was investigated. The results indicated that both copolymers had a lowered crystallization temperature and crystallinity. The crystallization rate was improved

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