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900671

Methoxy poly(ethylene glycol)-block-poly(ε-caprolactone)

Name: Methoxy poly(ethylene glycol)-<I>block</I>-poly(ε-caprolactone)
Brand: ALDRICH

5k-2k

Synonym(s):

mPEG-b-PCL, mPEG-PCL

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About This Item

Linear Formula:

CH₃O(CH₂CH₂O)_n(COCH₂CH₂CH₂CH₂CH₂O)_mH

NACRES:

NA.23

UNSPSC Code:

12162002

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Properties

Quality Segment

100

form

powder

mol wt

PCL average M_n ~2,000, PEG average M_n ~5,000

transition temp

flash point >230 °F, T_m 54-57 °C

storage temp.

2-8°C

Description

Application

Biocompatible, amphiphilic block copolymer composed of a hydrophilic PEG block and a hydrophobic PCL block. These materials have been used as a block copolymer surfactant as well as in control release and nanoparticle formulation for drug delivery applications. Well-defined materials with varying properties can be prepared by controlling the relative length of each polymer block. Hydroxyl termination allows for facile further chemical modification of these materials.

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Storage Class

11 - Combustible Solids

wgk

WGK 3

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