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192066

Sigma-Aldrich

Poli(2-hidroxietil metacrilato)

average Mv 300,000, crystalline

Sinônimo(s):

Poli(2-HEMA), Poli-HEMA

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About This Item

Fórmula linear:
(C6H10O3)n
Número CAS:
25249-16-5
Número MDL:
MFCD00084374
Código UNSPSC:
12162002
ID de substância PubChem:
24851526
NACRES:
NA.23

Formulário

crystalline

peso molecular

average Mv 300,000

densidade

1.15 g/mL at 25 °C (lit.)

cadeia de caracteres SMILES

CC(=C)C(=O)OCCO

InChI

1S/C6H10O3/c1-5(2)6(8)9-4-3-7/h7H,1,3-4H2,2H3

chave InChI

WOBHKFSMXKNTIM-UHFFFAOYSA-N

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Descrição geral

Solid Poly(2-hydroxyethyl methacrylate) (pHEMA) is brittle, while pHEMA hydrogel is a soft material. Glass transition temperature for pHEMA hydrogels is reduced by increasing a content of water in the matrix. Macromolecular properties in pHEMA are characterized by non-covalent interactions of hydrogen-bonds among the polymer chains as well as the hydrated water molecules. The presence of polar groups of hydroxyl and carboxyl on each repeat unit makes this polymer compatible with water. The hydrophobic a-methyl groups of the backbone convey hydrolytic stability to the polymer and enhance mechanical strength of the polymer matrix.

Aplicação

pHEMA scaffolds are used in tissue engineering. It can be used in hydrogels for biomedical applications, as sorbents for metal ions.pHEMA has been used in applications such as soft contact lenses, in drug delivery systems, and in kidney dialysis membranes.Nanoparticles of pHEMA may be employed as a carrier for controlled delivery of anticancer and antitumor drugs.

forma física

Polímero que incha na presença de água. Hidrogel.

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

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Certificados de análise (COA)

Lot/Batch Number
11118TH
10427LH
01126HH
01623BH
06012AH

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Dimetacrilato de etilenoglicol 98%, contains 90-110 ppm monomethyl ether hydroquinone as inhibitor

Sigma-Aldrich

335681

Dimetacrilato de etilenoglicol

2-Hydroxypropyl methacrylamide 99% (GC)

Sigma-Aldrich

799106

2-Hydroxypropyl methacrylamide

2-Hydroxyethyl acrylate 96%, contains 200-650 ppm monomethyl ether hydroquinone as inhibitor

Sigma-Aldrich

292818

2-Hydroxyethyl acrylate

Poli-L-ornitina mol wt 30,000-70,000

Sigma-Aldrich

P3655

Poli-L-ornitina

Inhibitor removers Prepacked column for removing hydroquinone and monomethyl ether hydroquinone

Sigma-Aldrich

306312

Inhibitor removers

W E Roorda et al.
Pharmaceutical research, 5(11), 722-725 (1988-11-01)
The freezing and melting behavior of water in poly hydroxy ethyl methacrylate (pHEMA) hydrogels of different cross-linker and water contents was investigated in relation to the glass transition temperature (Tg) of the gels. After prolonged cooling at -15 degrees C
Fiber templating of poly (2-hydroxyethyl methacrylate) for neural tissue engineering
Flynn L,et al
Biomaterials, 24(23), 4265-4272 null
Yunfeng Li et al.
ACS applied materials & interfaces, 5(6), 2126-2132 (2013-02-23)
This paper presents a versatile way to prepare multiscale and gradient patterns of proteins. The protein patterns are fabricated by conjugating proteins covalently on patterns of polymer brush that are prepared by techniques combining colloidal lithography with photolithography, and two-step
Xiangling Meng et al.
Journal of biomedical materials research. Part A, 101(4), 1095-1102 (2012-09-26)
The objective of the present in vitro study was to investigate cardiomyocyte functions, specifically their adhesion and proliferation, on injectable scaffolds containing RNT (rosette nanotubes) and CNF (carbon nanofibers) in a pHEMA (poly(2-hydroxyethyl methacrylate)) hydrogel to determine their potential for
N Nogueira et al.
Journal of colloid and interface science, 385(1), 202-210 (2012-07-31)
The behavior of poly(2-hydroxyethyl methacrylate) (PHEMA) polymer monolayer spread on water was studied under various experimental conditions. The influence of subphase pH and temperature, compression speed, elapsed time from the deposit of the monolayer and the recording of the surface
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