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Merck
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Key Documents

427152

Sigma-Aldrich

聚偏二氟乙烯

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

同義詞:

PVDF

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About This Item

線性公式:
(CH2CF2)n
CAS號碼:
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)

品質等級

形狀

beads or pellets

熔體指數

20-35 g/10 min (230°C/3.8kg)

分子量

average Mn ~71,000
average Mw ~180,000 by GPC

衝擊強度

2-4 ft-lb/in. (Izod, ASTM D 256, notched)

介電常數

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 D 3835

6,000-7,500 poise(230 °C) (100 sec-1)(lit.)

轉變溫度

brittleness temperature -62 °C (ASTM D 746)
Tm 155-165 °C

溶解度

some polar solvents such as organic esters and amines: soluble

密度

1.78 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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應用

涂料、薄膜、滤布、仪器内衬、滤膜、泵零件和内衬以及阀门。

特點和優勢

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。

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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分析證明 (COA)

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