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Sigma-Aldrich

Poly(L-Lactid)

average Mn 20,000, PDI ≤1.1

Synonym(e):

L-lactid, polymer

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About This Item

Lineare Formel:
H(C3H4O2)nOCH3
UNSPSC-Code:
12162002
NACRES:
NA.23

Form

solid

Qualitätsniveau

100

Optische Aktivität

[α]22/D -153°, c = 0.5% in chloroform

Mol-Gew.

average Mn 20,000

Zeitrahmen für den Abbau

>3 years

Übergangstemp.

Tm 167-172 °C

PDI

≤1.1

Lagertemp.

2-8°C

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Allgemeine Beschreibung

Poly (L-lactide) is a semi-crystalline polymer which exhibits strong optical rotation and good mechanical properties. It is mostly used in the synthesis of degradable polymers which are used in orthopaedic devices, in dental applications, as scaffolds for autografted new skin, wound covers, anastomose systems and stents. They are biodegradable since the polyester backbone degrades by simple hydrolysis to form non-toxic compounds.

Anwendung

Used in Drug Delivery including coating nanoparticles. Can be end-group functionalizated or used as a macroinitiator/block precursor.

Leistungsmerkmale und Vorteile

High initial strength, good strength retention and high amount of crystallinity as much as 70% which in turn is responsible for the very slow degradation rate.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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Poly-(L-lactid) viscosity ~4.0 dL/g, 0.1 % (w/v) in chloroform(25 °C)

Sigma-Aldrich

95468

Poly-(L-lactid)

vibrant-m

GF50233014

Poly L Lactic Acid - Biopolymer

Poly-(D-lactid) inherent viscosity ~1.2 dl/g

Sigma-Aldrich

67122

Poly-(D-lactid)

vibrant-m

GF45989881

Polylactic Acid - Biopolymer

Resomer® L 210S, Poly(L-lactid) ester terminated

Sigma-Aldrich

769924

Resomer® L 210S, Poly(L-lactid)

Poly(D,L-lactide) acid terminated, average Mw 15000

Sigma-Aldrich

805734

Poly(D,L-lactide)

Effect of poly (ethylene glycol)-block- poly (L-lactide) on the poly [(R)-3-hydroxybutyrate]/poly (L-lactide) blends
Yoon, J. S., Lee, W. S., Kim, K. S., Chin, I. J., Kim, M. N., & Kim, C.
Eur. Polymer J., 36(2), 435-442 (2000)
Chemical synthesis of polylactide and its copolymers for medical applications
Bendix, D.
Polymer Degradation and Stability, 59(1), 129-135 (1998)
Synthesis and thermal properties of novel star-shaped poly (l-lactide)s with starburst PAMAM-OH dendrimer macroinitiator.
Zhao, Y. L., Cai, Q., Jiang, J., Shuai, X. T., Bei, J. Z., Chen, C. F., & Xi, F.
Polymer, 43(22), 5819-5825 (2002)
Wolf, Florian F.; et al.
Macromolecules, 42, 5622-5628 (2009)
Zhang, Wen-Bin; et al.
Macromolecules, 44, 2589-2596 (2011)
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