SOLVAY pvdf 产品介绍

SOLVAY pvdf 理化性能，产品规格，应用领域等介绍

Table of contents
List of tables
Chemistry  5
Composition and principle 
of polymerization  5
Copolymers  5
Purity of the resin  5
Comparison to other fluoropolymers  6
Physical properties  8
Structural properties  8
Thermophysical properties  12
Short term thermal stability 
– Thermogravimetric analysis (TGA)  18
Surface properties  18
Solubility  21
Optical properties – appearance  22
Mechanical properties  24
Short-term stresses  24
Long term static stress – Creep  27
Dynamic loading  33
Impact strength  36
Reprocessing effects on mechanical properties  38
Electrical properties  39
General characteristics  39
Volume and surface resistivities
(ASTM D257, DIN 53482)  39
Dielectric strength
(ASTM D149, DIN 53481)  39
Dielectric constant and tangent of loss angle
(IEC 250, ASTM D150, DIN 53483)  40
Comparative Tracking Index
(IEC 112, ASTM D3638, NF C 26-220)  41
Piezo- and pyroelectricity  42
Environmental Resistance  43
Chemical resistance  43
Permeability  45
Thermal aging tests  47
Maximum continuous use temperature  48
Weathering resistance  48
Resistance to high energy radiation  50
Resistance to fire  51
Safety, Hygiene, Health effects  53
Toxicity of decomposition products  53
Approvals  53
Processing Basics and Safety  55
Safety  55
General considerations  55
Operating the extruder  56
Recommendations for tube extrusion  56
General recommendations 
for other types of extrusion  56
Recommendations for injection molding  57
Recommendations for compression and transfer molding  58
Machining  59
Welding  59
Table 1:  Characteristics of PVDFs on the market 
according to ASTM D3222 standard  5
Table 2:  Ultra-pure water extraction data from 
Solef
® PVDF pellets  6
Table 3:  PVDF and the other fluorinated polymers  6
Table 4:  Comparison of tensile creep characteristics of
fluoropolymers at 23  °C (73.4  °F)  7
Table 5: Molecular weights of Solef
® resins measured 
by Gel Permeation Chromatography  8
Table 6:  Average MFls at 230  °C (446  °F) 
under different loads  9
Table 7:  Thermophysical data recorded by DSC  12
Table 8:  Thermal conductivity of Solef
® PVDF  15
Table 9: Coefficient of linear thermal expansion for
Solef
®
PVDF  16
Table 10:  Density at 23  °C (73.4  °F) of Solef
® compounds  17
Table 11:  Angle of contact and surface tension of PVDF
and other thermoplastics (20  °C/68  °F)  18
Table 12:  Shore D hardness of Solef
® PVDF  18
Table 13:  Ball hardness of Solef
® PVDF  19
Table 14:  Rockwell hardness of Solef
® PVDF  19
Table 15:  Average roughness of internal walls of 
extruded Solef
® PVDF 1010 pipes and sheets  19
Table 16:  Coefficients of friction of Solef
® PVDF  20