192066
Poly(2-hydroxyethyl methacrylate)
average Mv 300,000, crystalline
Synonym(s):
Poly(2-HEMA), Poly-HEMA
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About This Item
Linear Formula:
(C6H10O3)n
CAS Number:
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
MDL number:
Product Name
Poly(2-hydroxyethyl methacrylate), average Mv 300,000, crystalline
InChI
1S/C6H10O3/c1-5(2)6(8)9-4-3-7/h7H,1,3-4H2,2H3
SMILES string
CC(=C)C(=O)OCCO
InChI key
WOBHKFSMXKNTIM-UHFFFAOYSA-N
form
crystalline
mol wt
average Mv 300,000
density
1.15 g/mL at 25 °C (lit.)
Quality Level
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Application
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.
General description
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.
Physical form
Water-swellable polymer. Hydrogel.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Fiber templating of poly (2-hydroxyethyl methacrylate) for neural tissue engineering
Flynn L,et al
Biomaterials, 24(23), 4265-4272 null
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
M Rafiqul Islam et al.
Journal of nanoscience and nanotechnology, 13(1), 603-606 (2013-05-08)
Biocompatible magnetic nanocomposites of Fe-AuNPs and poly(2-hydroxylethyl methacrylate) (PHEMA) were employed as a strategic protein immobilization platform. The hybrid magnetic nanocomposites were prepared by applying a 'grafting to' ATRP protocol. Fe-AuNPs having Fe core and Au shell were initially prepared
Narrowly dispersed hydrophilic molecularly imprinted polymer nanoparticles for efficient molecular recognition in real aqueous samples including river water, milk, and bovine serum.
Yue Ma et al.
Angewandte Chemie (International ed. in English), 52(5), 1511-1514 (2012-12-21)
Niels Crama et al.
Nederlands tijdschrift voor geneeskunde, 156(37), A3185-A3185 (2012-09-14)
A 71-year-old man presented with progressive diplopia due to swelling of a Miragel explant. Removal of the explant resulted in relief of symptoms.
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