PDO
PDO

BioDegmer® PDO ポリ-p-ジオキサノン Poly-p-dioxanone

Poly-p-dioxanone (PDO) is polymer obtained by the ring-opening polymerization of p-dioxanone.

Chemical name
Poly-p-dioxanone
Poly[oxy(1-oxoethylene)oxyethylene]
Poly(1,4-dioxane-2-one)
Poly(5-hydroxy-3-oxavaleric acid)
Chemical formula
?(C4H6O3)n?
?O?CO?CH2?O?(CH2)2?
Formula weight
102.08864
CAS number
31621?87?1, 29223?92?5
PoLyInfo PID
P070561
Characteristics
Crystalline polymer, Insoluble into general organic solvents
(except for low molecular weight polymer), Elastic polymer

Typical specification of PDO

The following shows the specification example of our PDO polymer product.
Testing item
Specification
Identification
Same as the standard NMR spectrum of PDO.
Inherent viscosity 
ηinh = 1.5 ? 1.8 (dL/g) [0.8 g/dL HFIP, 30 ℃]
Melting point(Tm
Tm = 100 ? 110 (℃)
MFR
MFR(240, 10) = 3.0 ? 9.0 (g/10min)
Particle size
Not passing 500 μm mesh screen.
Appearance
No contamination by foreign objects
Normal coloring (white or beige or ivory) (Sensory test with eye)
If you have the specific requirement for PDO polymer, please feel free to ask us.

Potential application of PDO

PDO polymer is mainly applied for absorbable suture and utilized for the raw material of novel absorbable medical devices. PDO filament is used as monofilament because the filament obtained from PDO is tough and flexible.
Applicable examples of the medical device obtained from PDO polymers are shown with color in follows: