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906816

Sigma-Aldrich

Water-soluble TPO based nanoparticle photoinitiator

contains nonionic surfactant

Sinônimo(s):

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

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About This Item

Número MDL:
MFCD00192110
Código UNSPSC:
12352005
NACRES:
NA.23

Formulário

powder or solid

cor

white to off-white

cadeia de caracteres SMILES

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

InChI

1S/C22H21O2P/c1-16-14-17(2)21(18(3)15-16)22(23)25(24,19-10-6-4-7-11-19)20-12-8-5-9-13-20/h4-15H,1-3H3

chave InChI

VFHVQBAGLAREND-UHFFFAOYSA-N

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Aplicação

The water-dispersible photoinitiator nanoparticle contains 5% (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.

Palavra indicadora

Warning

Frases de perigo

H317,H361f,H411

Classificações de perigo

Aquatic Chronic 2 - Repr. 2 - Skin Sens. 1

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

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Certificados de análise (COA)

Lot/Batch Number
MKCK5369

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3D printing of responsive hydrogels for drug-delivery systems
Magdassi, S. et al.
Journal of Chemical and Pharmaceutical Sciences, 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

Artigos

Water-Soluble Photoinitiators

The introduction of LAP and water-dispersible photoinitiator nanoparticles of TPO, enables the development of novel formulations for 3D bioprinting, tissue engineering applications, and device manufacturing.

Conteúdo relacionado

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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