PGA
PGA

BioDegmer® PGA Polyglycolide

Polyglycolide (Poly(glycolic acid), PGA) is polymer obtained by the ring-opening polymerization of glycolide (cyclic dimer of glycolic acid) as monomer.

組成図
Chemical name
Poly(glycolic acid)
Polyglycolide
Poly[oxy(1-oxoethylene)]
Poly(p-dioxane-2,5-dione)
Poly(1,4-dixoane-2,5-dione)
Chemical formula
?(C2H2O2)n?
?O?CO?CH2?
Formula weight
58.03608
CAS number
26124?68?5, 26009?03?0
PoLyInfo PID
P090085
Characteristics
Crystalline polymer, Insoluble into general organic solvents
(except for low molecular weight polymer)

Typical specification of PGA

The following shows the specification example of our PGA polymer product.
Testing item
Specification
Identification
Same as the standard IR spectrum of PGA.
Melting point(Tm
Tm = 223 ? 235 (℃)
Melt behavior (CFT) 
Tmax = 230 ? 240 (℃)
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 (beige or tan/khaki or ivory) (Sensory test with eye)
If you have the specific requirement for PGA polymer, please feel free to ask us.

Potential application of PGA

PGA polymer is mainly applied for absorbable suture. PGA filament is used as multifilament because the filament obtained from PGA is rigid and less flexible. The polymer is also utilized as absorbable reinforcement for artificial dura.
Applicable examples of the medical device obtained from PGA polymers are shown with color in follows: