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Merck
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906808

Sigma-Aldrich

Water-soluble TPO based nanoparticle photoinitiator

contains ionic surfactant

Synonyme(s) :

Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide, TPO

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About This Item

Code UNSPSC :
12352005
Nomenclature NACRES :
NA.25

Forme

powder or solid

Couleur

white to off-white

Chaîne SMILES 

O=P(C1=CC=CC=C1)(C(C2=C(C)C=C(C)C=C2C)=O)C3=CC=CC=C3

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Application

The water-dispersible photoinitiator nanoparticle contains 10% (w/w) of the type I photoinitiator diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide (TPO). TPO is highly efficient but water-insoluble. This water-soluble TPO based photoinitiator enables rapid 3D printing of structures prepared in aqueous solutions while bringing environmental advantages by using low-energy curing systems and avoiding the need for solvents.

The extinction coefficient of the new water-dispersible nanoparticles of TPO is more than 300 times larger than the best and most used commercially available water-soluble photoinitiator, Irgacure 2959. The TPO nanoparticles absorb significantly in the range from 385 to 420 nm, making them suitable for use in commercially available, low-cost, light-emitting diode-based 3D printers and UV-curing devices.

Pictogrammes

Health hazardCorrosionExclamation mark
GHS08,GHS05,GHS07

Mention d'avertissement

Danger

Classification des risques

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Repr. 2 - Skin Irrit. 2 - Skin Sens. 1

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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Certificats d'analyse (COA)

Lot/Batch Number
MKCT0188
MKCP4385
MKCK5367
MKCN3500
MKCM2399

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Consulter la Bibliothèque de documents

3D printing of responsive hydrogels for drug-delivery systems
Magdassi S. et al.
Journal of 3D printing in medicine, 1(4), 219-229 (2017)
Amol A Pawar et al.
Science advances, 2(4), e1501381-e1501381 (2016-04-07)
In the absence of water-soluble photoinitiators with high absorbance in the ultraviolet (UV)-visible range, rapid three-dimensional (3D) printing of hydrogels for tissue engineering is challenging. A new approach enabling rapid 3D printing of hydrogels in aqueous solutions is presented on

Articles

Water-Soluble Photoinitiators

Water-dispersible photoinitiator nanoparticles enable novel formulations for 3D bioprinting, tissue engineering, and device manufacturing.

Water-Soluble Photoinitiators

Water-dispersible photoinitiator nanoparticles enable novel formulations for 3D bioprinting, tissue engineering, and device manufacturing.

Water-Soluble Photoinitiators

Water-dispersible photoinitiator nanoparticles enable novel formulations for 3D bioprinting, tissue engineering, and device manufacturing.

Water-Soluble Photoinitiators

Water-dispersible photoinitiator nanoparticles enable novel formulations for 3D bioprinting, tissue engineering, and device manufacturing.

Contenu apparenté

Tissue Engineering

Tissue engineering fabricates tissues cultures from scaffolds, living cells, and biologically active molecules by simulating the microenvironment of the body to repair or replace damaged tissue.

Tissue Engineering

Tissue engineering fabricates tissues cultures from scaffolds, living cells, and biologically active molecules by simulating the microenvironment of the body to repair or replace damaged tissue.

Tissue Engineering

Tissue engineering fabricates tissues cultures from scaffolds, living cells, and biologically active molecules by simulating the microenvironment of the body to repair or replace damaged tissue.

Tissue Engineering

Tissue engineering fabricates tissues cultures from scaffolds, living cells, and biologically active molecules by simulating the microenvironment of the body to repair or replace damaged tissue.

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