Lab Protocol
Hydration test
100 mg of PVA/clay beads and PVA beads
50 g of distilled water
measure bead mass before and after one week
Data
DSC Analysis
- PVA/clay beads
- RL: Tzero pan mass 40.76 mg, sample mass 3.42 mg
- JN: Tzero pan mass 40.79 mg, sample mass 4.52 mg
- AJRL Tzero pan mass 40.92 mg, sample mass 3.22 mg
- JB Tzero pan mass 40.62 mg, sample mass 3.44 mg
- RG Tzero pan mass 40.47 mg, sample mass 3.02 mg
- PVA (Sigma Aldrich), lot#MKBJ6397V, Mw 31,000-50,000, 98-99% hydrolyzed
- RL:pan mass 40.74 mg, sample mass 4.50 mg
- JN: pan mass 40.48 mg, sample mass 4.38 mg
- AJRL: pan mass 40.57 mg, sample mass 5.41 mg
- JB: pan mass 40.24 mg, sample mass 3.21 mg
- RG: pan mass 40.59 mg, sample mass 4.74 mg
DSC Procedure
- equil 20 degrees C
- isothermal for 1 minute
- ramp 10 degrees C/minute to 250 degrees C
- isothermal for 1 minute
- ramp 10 degrees C/minute to 20 degrees C
- repeat segment 2 for 1 times
Hydration Test
PVA/clay beads
- sample 1: 0.12511 g beads, 52.2327 g water
- sample 2: 0.126141 g beads, 50.1840 g water
PVA beads
- sample 1: 0.12639 g beads, 50.0187 g water
- sample 2: 0.12515 g beads, 50.0760 g water
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