LCL
LCL

BioDegmer® LCL Poly(L-lactide-co-ε-caprolactone)

Poly(L-lactide-co-ε-caprolactone) (LCL) is polymer obtained the ring-opening polymerization of L-lactide (cyclic dimer of L-lactic acid) and ε-caprolactone as monomers.

Chemical name
Poly(L-lactic acid-co-ε-caprolactone)
Poly(L-lactide-co-ε-caprolactone)
Poly[oxy(1-methyl-2-oxoethylene)/oxy(1-oxohexane-1,6-diyl)]
Poly[(3S,6S)-3,6-dimethyl-1,4-dioxane^2,5-dione/2-oxepanone]
Chemical formula
?(C3H4O2)n?(C6H10O2)m?
?O?CO?CH(CH3)?O?CO?(CH2)5?
Formula weight
186.20506
CAS number
70524?20?8
PoLyInfo PID
P901020
Characteristics
Amorphous polymer, Elastic polymer

Typical specification of LCL(75:25)

The following shows one of the specification example of our LCL polymer (LCL(75:25)) product.
Testing item
Specification
Identification
Same as the standard NMR spectrum of LCL
Composition 
CLA:CCL = 70:30 ? 80:20 (mol%)
Weight averaged
molecular weight(MW)
MW = 400,000 ? 800,000
Melting point(Tm
Tm = 150 ? 175 (℃)
Particle size
Not passing 500 μm mesh screen.
Appearance
No contamination by foreign objects
Normal coloring (white or beige/ivory) (Sensory test with eye)

Typical specification of LCL(50:50)

The following shows one of the specification example of our LCL polymer (LCL(50:50)) product.
Testing item
Specification
Identification
Same as the standard NMR spectrum of LCL
Composition 
CLA:CCL = 45:55 ? 55:45 (mol%)
Weight averaged
molecular weight(MW)
MW = 200,000 ? 600,000
Particle size
Not passing 500 μm mesh screen.
Appearance
No contamination by foreign objects
Normal coloring (white or beige/ivory) (Sensory test with eye)
If you have the specific requirement for LCL polymer, please feel free to ask us.

Potential application of LCL

LCL polymers are mainly applied for absorbable suture (LCL(75:25)) and artificial dura (LCL(50:50)). LCL(75:25) filament is used as monofilament because the filament obtained from LCL(75:25) is tough and flexible.
Applicable examples of the medical device obtained from LCL polymers are shown with color in follows: