The purpose of this App Note is to present the very high range (7 to 8 MD PE) of Intrinsic Viscosities (IV) achievable with an HMJ Y501 Dual Capillary High Temperature Relative Viscometer (HTDSV) system. The analysis conditions are listed below.
Solvent |
Decalin + 250 ppm BHT |
Sample Concentration |
0.003 g/dL |
Prep Temperature |
135C |
Dissolution Time |
6 Hours |
Analysis Temperature |
135C |
The following is an overlay of 2 HMWPE ViscoGrams showing smooth curves not obtainable previously.
Samples |
Measured IV (dL/g) |
M-H Calc MW |
Sample |
Measured IV (dL/g) |
M-H Calc MW |
|
PE-1-1A |
32.3881 |
PE-2-1A |
33.8891 |
|||
PE-1-1B |
34.5628 |
PE-2-1B |
33.8785 |
|||
PE-1-2A |
30.0316 |
PE-2-2A |
32.5177 |
|||
PE-1-2B |
30.2334 |
PE-2-2B |
32.5343 |
|||
Average |
31.8040 |
5,350,000 |
Average |
33.2049 |
5,700,000 |
|
SD |
2.12606 |
(Est 7,800,000) |
SD |
0.78397 |
(Est 8,430,000) |
|
RSD |
6.68% |
RSD |
2.36% |