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Sigma-Aldrich

Poly(2-ethyl-2-oxazolin)

Synonym(e):

Poly(2-ethyl-2-oxazoline), PEOX, POx, PetOx, poly 2-ethyloxazoline, polyethyloxazoline

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About This Item

Lineare Formel:
[-N(COC2H5)CH2CH2-]n
CAS-Nummer:
25805-17-8
MDL-Nummer:
MFCD00134377
UNSPSC-Code:
12162002
PubChem Substanz-ID:
329755635
NACRES:
NA.23

Form

solid

Mol-Gew.

average Mw ~50,000

Brechungsindex

n20/D 1.52

Viskosität

5-7 cSt, 10 % in water(100 °F)

Übergangstemp.

softening point 110-120 °C (Vicat, ASTM D 1525-82)
Tg 69-71 °C

Dichte

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

InChIKey

NYEZZYQZRQDLEH-UHFFFAOYSA-N

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Anwendung

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

Leistungsmerkmale und Vorteile

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.

Physikalische Form

N-propionyl substituted linear polyethylenimine

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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Yung-Chu Chen et al.
Journal of biomedical materials research. Part A, 100(5), 1279-1292 (2012-03-01)
The multifunctional nanoparticles constructed from triphenylamine-poly(lactide-co-glycolide)-poly(ethyleneglycol)-poly(lactide-co-glycolide) (TPA-PEP) and folate-poly(2-ethyl-2oxazoline)-poly(D,L-lactide) (folate-PEOz-PLA) were developed in this study. Iron oxide nanoparticles (IOP) and paclitaxel (PTX) were coencapsulated in the nanoparticles with diameter less than 200 nm. The drug-loaded nanoparticles emit fluorescence peak at
I C Kwon et al.
Nature, 354(6351), 291-293 (1991-11-28)
New controlled drug-delivery systems are being explored to overcome the disadvantages of conventional dosage forms. For example, stimulated drug-delivery has been used to overcome the tolerance problems that occur with a constant delivery rate, to mimic the physiological pattern of
Chau-Hui Wang et al.
Journal of controlled release : official journal of the Controlled Release Society, 108(1), 140-149 (2005-09-27)
Polymeric micelles based on poly(L-lactide)-b-poly(2-ethyl-2-oxazoline)-b-poly(L-lactide) (PLLA-PEOz-PLLA) ABA triblock copolymers were designed as intracellular drug carriers. The PLLA-PEOz-PLLA micelles adopt a "flower-like" arrangement with A-blocks at the core and a B-block on the shell under neutral condition. The deformation of the
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
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
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Artikel

Poly(2-Oxazoline)s: The Versatile Polymer Platform for Biomedicine

The introduction of polymers into the biomedical field has opened new avenues in tissue engineering, implant design, biosensing, and drug delivery.

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.

Unser Team von Wissenschaftlern verfügt über Erfahrung in allen Forschungsbereichen einschließlich Life Science, Materialwissenschaften, chemischer Synthese, Chromatographie, Analytik und vielen mehr..

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