International Journal of Biomaterials / 2017 / Article / Tab 3

Research Article

Effect of Injection Molding Melt Temperatures on PLGA Craniofacial Plate Properties during In Vitro Degradation

Table 3

Degree of crystallinity () and thermal properties measured by DSC: glass-transition temperature (), melting point (), enthalpy of cold crystallization (), enthalpy of glass (), and enthalpy of melting () ().

[°C] [°C] [°C] [°C] [J/g] [J/g] [J/g] [%]

Pellet60.4 ± 1.8146.1 ± 0.133.4 ± 2.41.7 ± 0.435.7

PLGA_lowT0 days56.0 ± 0.5153.1 ± 0.3156.6 ± 0.2130.7 ± 2.4−2.3 ± 0.64.3 ± 1.55.1 ± 0.57.1
15 days53.0 ± 3.2153.8 ± 2.2157.5 ± 1.8131.0 ± 0.1−8.9 ± 2.25.0 ± 2.65.9 ± 1.314.8
30 days51.8 ± 1.2153.6 ± 0.9156.4 ± 1.099.9 ± 7.7−17.5 ± 3.114.5 ± 6.99.6 ± 4.034.1
60 days48.3 ± 0.3138.7 ± 4.2147.3 ± 5.487.4 ± 4.1−35.3 ± 7.828.6 ± 6.87.1 ± 12.068.2
120 days41.7 ± 6.6120.4 ± 0.2133.5 ± 1.095.5 ± 0.1−30.2 ± 0.919.7 ± 8.714.1 ± 3.853.3

PLGA_highT0 days52.7 ± 0.9151.0 ± 2.2157.9 ± 1.0124.5 ± 4.2−24.0 ± 8.117.9 ± 5.13.1 ± 0.344.7
15 days52.5 ± 3.1154.1 ± 0.1157.2 ± 2.0127.1 ± 14.5−9.9 ± 4.37.9 ± 3.09.1 ± 0.419.0
30 days52.6 ± 0.8152.0 ± 0.1156.6 ± 0.4102.1 ± 8.3−68.6 ± 3.619.1 ± 7.110.5 ± 0.593.7
60 days52.0 ± 1.1153.7 ± 0.7157.7 ± 1.789.0 ± 3.9−47.9 ± 2.27.9 ± 7.011.8 ± 6.559.6
120 days41.6 ± 0.8144.4 ± 2.8152.4 ± 3.296.6 ± 1.3−28.9 ± 6.923.2 ± 4.10.4 ± 0.155.7

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