Investigation on the Effect of Butyl Acrylate (nBA) to Improve the Toughness Properties of Methacrylate-Based Waterproofing Adhesive Material (MMA) for the Steel Bridge Deck
Table 3
Polymer decomposition results with temperature.
Sample
First decomposition
Second decomposition
Third decomposition
Final decomposition
T5 (°C)
Weight loss (wt%)
T10 (°C)
Weight loss (wt%)
T50 (°C)
Weight loss (wt%)
Tf (°C)
Weight loss (wt%)
MMA
264.1
5.00
302.1
10.26
376.1
50.05
398.0
65.78
70/30 poly(MMA-r-nba)
237.6
5.09
321.6
10.13
393.0
50.75
428.0
72.59
50/50 poly(MMA-r-nba)
289.9
5.07
333.9
10.35
393.9
49.72
428.0
61.90
40/60 poly(MMA-r-nba)
261.0
5.06
319.0
10.16
387.0
49.35
428.0
75.72
Note:T5, T10, T50 is the temperature of 5%, 10%, 50% of weight loss, respectively;Tf is the final stage temperature.