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764698

Poly(L-lactide)

average Mn 20,000, PDI ≤1.8

Synonym(s):

PLA, PLLA, Polylactide, L-Lactide polymer, PLA, Poly(L-Lactic acid)

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5 g
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$256.00

About This Item

Linear Formula:
H(C3H4O2)nOCH3
NACRES:
NA.23
UNSPSC Code:
12162002

$256.00


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form

solid

Quality Segment

optical activity

[α]22/D -153°, c = 0.5% in chloroform

mol wt

average Mn 20,000

degradation timeframe

>3 years

transition temp

Tm 167-172 °C

PDI

≤1.8

storage temp.

2-8°C

General description

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.

Application

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

Features and Benefits

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.

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This Item
76511276459093578
description

average Mn 20,000, PDI ≤1.8

description

average Mn 10,000, PDI ≤1.1

description

average Mn 5,000, PDI ≤1.2

description

viscosity ~1.0 dL/g, 0.1 % (w/v) in chloroform(25 °C)

form

solid

form

solid

form

solid

form

solid

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

-

optical activity

[α]22/D -153°, c = 0.5% in chloroform

optical activity

[α]22/D -150°, c = 0.5% in chloroform

optical activity

[α]22/D -147°, c = 0.5% in chloroform

optical activity

-

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

mol wt

average Mn 20,000

mol wt

average Mn 10,000

mol wt

average Mn 5,000

mol wt

Mn 59,000, Mw 101,000

PDI

≤1.8

PDI

≤1.1

PDI

≤1.2

PDI

-


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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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