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373974

Sigma-Aldrich

Poly(2-ethyl-2-oxazoline)

average Mw ~500,000, PDI 3‑4

Sinónimos:

PEOX, POx, PetOx, poly 2-ethyloxazoline, polyethyloxazoline

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$59.28
500 G
$193.80

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100 G
$59.28
500 G
$193.80

About This Item

Fórmula lineal:
[-N(COC2H5)CH2CH2-]n
Número de CAS:
25805-17-8
Número MDL:
MFCD00134377
Código UNSPSC:
12162002
ID de la sustancia en PubChem:
329755641
NACRES:
NA.23

$59.28

Precio de catálogo$62.40
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Formulario

solid

mol peso

average Mw ~500,000

viscosidad

60-80 cSt, 10 % in H2O

densidad

1.14 g/mL at 25 °C (lit.)

PDI

3‑4

InChI

1S/C5H9NO/c1-2-5-6-3-4-7-5/h2-4H2,1H3

Clave InChI

NYEZZYQZRQDLEH-UHFFFAOYSA-N

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Categorías relacionadas

Aplicación

This Poly(2-ethyl-2-oxazoline) polymer is amorphous and water soluble with good temperature stability. Jordan and coworkers showed biocompatibility, no accumulation in tissue, and rapid clearance from the bloodstream. End-group modified poly(2-ethyl-2-oxazoline)s have been conjugated to peptides, and were shown as versatile alternatives to poly(ethylene glycol) (PEG) for both protein and small drug conjugation.

Potential substitute for poly(vinyl alcohol) and poly(vinyl pyrrolidone). Adhesion promoter in coatings. Heat sealing and remoistenable hot-melt adhesive

Características y beneficios

Nonionic, water-soluble thermoplastic. Better heat stability than poly(vinyl alcohol). Good melt flow, shear stability and Newtonian characteristics. Water is a room temperature Theta solvent.

Forma física

N-propionyl substituted linear polyethylenimine

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
SHBN9350
MKCN6763
MKCF8705
MKCN5588
MKCC5398

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J H Jeong et al.
Journal of controlled release : official journal of the Controlled Release Society, 73(2-3), 391-399 (2001-08-23)
A series of linear poly(ethylenimine) (L-PEI) containing varying amounts of cationic charge density in its backbone was produced by controlled hydrolysis of poly(2-ethyl-2-oxazoline) (PEtOz) for using as a nonviral DNA transfection agent. The effects of cationic charge density and molecular
Issa Katime et al.
Applied spectroscopy, 57(7), 829-834 (2003-12-09)
This paper reports an FT-IR study of blends of poly(mono-n-alkyl itaconates) with poly(N,N-dimethylacrylamide) (PDMA) and poly(ethyloxazoline) (PEOX). Strong hydrogen bonding has been found, and both polybases have shown similar acceptor strengths. Derivative techniques show asymmetric profiles for the free carbonyl
S R Winn et al.
Orthodontics & craniofacial research, 8(3), 183-190 (2005-07-19)
Bone repair strategies continue to be developed for alternatives to autografting, allogeneic implants of banked bone, and other bone substitutes. Efforts have included the delivery of potent growth and/or differentiation factors and the use of gene therapy. For bone regeneration
Sang Cheon Lee et al.
Journal of controlled release : official journal of the Controlled Release Society, 89(3), 437-446 (2003-05-10)
Polymeric micelles based on amphiphilic block copolymers of poly(2-ethyl-2-oxazoline) (PEtOz) and poly(epsilon -caprolactone) (PCL) were prepared in an aqueous phase. The loading of paclitaxel into PEtOz-PCL micelles was confirmed by 1H-NMR spectra. Paclitaxel was efficiently loaded into PEtOz-PCL micelles using
Chau-Hui Wang et al.
Biomacromolecules, 4(6), 1487-1490 (2003-11-11)
A new series of cationic, thermo-sensitive, and biodegradable poly(L-lactide)-poly(2-ethyl-2-oxazoline)-poly(L-lactide) (PLLA-PEOz-PLLA) triblock copolymers were synthesized by ring-opening polymerization. With increasing molecular weight and crystallinity of hydrophobic PLLA blocks, the critical micellization concentrations (CMC) occurred at lower concentration. The PLLA-PEOz-PLLA aqueous solution
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Polyelectrolyte Multilayer Films and Membrane Functionalization

We present an article that discusses two applications in particular; first, using these layers as polyelectrolyte membranes to control permeability.

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