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Merck
CN

929581

PCL-PEG-PCL diacrylate

average Mn 2000-20000-2000, poly(caprolactone)-b-poly(ethylene glycol)-b-poly(caprolactone) diacrylate

Synonym(s):

Acrylate-PCL-PEG-PCL-acrylate, Biodegradable triblock copolymer, PCL-b-PEG-b-PCL, PEG hydrogel, PEGDA

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About This Item

Linear Formula:
C3H3O2(C6H10O2)x(C2H4O)y(C6H10O2)zC3H3O
UNSPSC Code:
12352200
NACRES:
NA.25

Key Documents

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InChI key

PCLZPCUCIICUMZ-UHFFFAOYSA-N

SMILES string

O=C(OCCOC(CCCCCOC(C=C)=O)=O)CCCCCOC(C=C)=O

form

low-melting solid

mol wt

PCL Mn 2000, PEG Mn 20000, 24000 (theoretical), average Mn 2000-20000-2000

contains

≤300 ppm MEHQ as inhibitor

color

white to off-white

Ω-end

acrylate

α-end

acrylate

storage temp.

−20°C

Quality Level

100

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General description

PCL-PEG-PCL diacrylate, average Mn 2000-20000-2000, is a functionalized, amphiphilic triblock copolymer composed of a central hydrophilic, biocompatible poly(ethylene glycol) (PEG) block and two terminal hydrophobic, biodegradable poly(caprolactone) (PCL) blocks. PCL-PEG-PCL diacrylate can be crosslinked via free radical polymerization and/or photopolymerication to form a crosslinked hydrogel network. Hydrolysis of the esters of the PCL blocks permits degradation of the crosslinked networks.

Application

  • Tissue engineering
  • 3D printing
  • Drug delivery

Features and Benefits

  • PCL-PEG-PCL triblock copolymer
  • Hydrolytically degradable PCL blocks
  • Acrylate functional groups permit photopolymerization

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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