Development of Composite Scaffolds for Load-Bearing Segmental Bone Defects

Table 6

Significant physical properties of several of the most common polymers [71].

Polymer	Glass melting point Tm	Glass transition point	Biodegradation time (months)	Compressive strength	Tensile strength	Modulus
PE				0.1–1.0	0.4–4.0	170
PMMA				3.5	1.5	160
PDLLA	Amorphous	55–60	12–16	Pellet: 150*	Film or disk: 29–35	Film or disk: 1.9–2.4
PLLA	173–178	60–65	>24	Pellet: 120*	Film or disk: 28–50; Fiber: 870–2300	Film or disk: 1.2–3.0; Fiber: 10–16
PGA	225–230	35–40	6–12		Fiber: 340–920	Fiber: 7–14
PLGA	Amorphous	45–55	Adjustable: 1–12		41.4–55.2	1.4–2.8
PPF		N/A	Bulk	30*	2
PCL	58	−72	>24
PHA and blends	120–177	−2 to 4	Bulk		20–43
Poly(anhydrides)	150–200		Surface	40*	25–27	0.14–1.4
Poly(ortho esters)	30–100		Surface	16*		2.5–4.4
Polyphosphazene	−66 to 50	242	Surface