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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

Código UNSPSC:
12352005
NACRES:
NA.23

forma

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

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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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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

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

Engenharia de tecidos

A engenharia de tecidos fabrica culturas de tecidos a partir de estruturas, células vivas e moléculas biologicamente ativas, simulando o microambiente do corpo para reparar ou substituir tecidos danificados.

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