372846
聚(2-乙基-2-恶唑啉) 5-7 cSt
别名:
聚（2-乙基-2-恶唑啉）, PEOX, POx, PetOx, 聚 2-乙基恶唑啉, 聚乙氧基唑啉
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关于此项目
线性分子式:
[-N(COC2H5)CH2CH2-]n
化学文摘社编号:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
MDL number:
InChI
1S/C5H9NO/c1-2-5-6-3-4-7-5/h2-4H2,1H3
InChI key
NYEZZYQZRQDLEH-UHFFFAOYSA-N
form
solid
mol wt
average Mw ~50,000
refractive index
n20/D 1.52
viscosity
5-7 cSt, 10 % in water(100 °F)
transition temp
softening point 110-120 °C (Vicat, ASTM D 1525-82), Tg 69-71 °C
density
1.14 g/mL at 25 °C (lit.)
PDI
3‑4
Quality Level
Application
这种聚（2-乙基-2-恶唑啉）聚合物是无定形和水溶性的，具有良好的温度稳定性。Jordan 及其同事证明了生物相容性，其在组织中无蓄积，并从血流中快速清除 。末端基团修饰的聚（2-乙基-2-恶唑啉）已与肽偶联 ，并被证明可以替代聚乙二醇 (PEG) 用于蛋白质和小分子药物的偶联 。
聚（乙烯醇）和聚（乙烯基吡咯烷酮）的潜在替代品。涂料中的粘合促进剂。热封和可再湿润的热熔胶
聚（乙烯醇）和聚（乙烯基吡咯烷酮）的潜在替代品。涂料中的粘合促进剂。热封和可再湿润的热熔胶
Features and Benefits
非离子型水溶性热塑性塑料。具有比聚乙烯醇更优越的热稳定性。具有良好的熔体流动性、剪切稳定性和牛顿特性。水是室温 θ 溶剂。
Physical form
N-丙酰基取代线性聚乙烯亚胺
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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
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
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
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
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The introduction of polymers into the biomedical field has opened new avenues in tissue engineering, implant design, biosensing, and drug delivery.
We present an article that discusses two applications in particular; first, using these layers as polyelectrolyte membranes to control permeability.
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