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Merck
CN

435457

Sigma-Aldrich

聚(乙二醇)- 嵌段 - 聚(丙二醇)- 嵌段 - 聚(乙二醇)

average Mn ~4,400

别名:

Pluronic® L-121, PEG-PPG-PEG

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化学文摘社编号:
MDL编号:
UNSPSC代码:
12352112
PubChem化学物质编号:
NACRES:
NA.23
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蒸汽密度

>1 (vs air)

质量水平

蒸汽压

<0.3 mmHg ( 20 °C)

表单

viscous liquid

分子量

average Mn ~4,400

组成

PEG, 30 wt. %

折射率

n20/D 1.454

表面张力

33 dyn/cm, 25 °C, 0.1 wt. % in H2O

粘度

1,200 cP(25 °C, Brookfield)(lit.)

转变温度

cloud point 14 °C (1 wt. % aqueous solution)
softening point 5 °C

密度

1.006 g/mL at 25 °C

HLB

1.0 - 7.0

SMILES字符串

O2C(C2)C.O1CC1

InChI

1S/C3H6O.C2H4O/c1-3-2-4-3;1-2-3-1/h3H,2H2,1H3;1-2H2

InChI key

RVGRUAULSDPKGF-UHFFFAOYSA-N

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应用

软硬表面清洁剂、涂料和水处理中的消泡剂。金属加工润滑剂,线性和交联聚酯及聚氨酯的消泡助剂和增量剂。

特点和优势

性质取决于亲水性 (EO)/疏水性 (PO) 比例的表面活性物质EO 含量越高,水包油稳定剂性能越好。

外形

末端主要是二羟基官能化低聚物。

法律信息

Pluronic is a registered trademark of BASF

储存分类代码

10 - Combustible liquids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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V K Zhalimov et al.
Biofizika, 57(2), 308-316 (2012-05-19)
It has been shown that sorption of most proteins with the molecular weight lower than 200 kDa from human blood plasma on the surface of perfluorocarbon emulsion, stabilized with proxanol 268, is mainly based on hydrophobic interaction, whereas sorption of
Liyan Zhao et al.
Colloids and surfaces. B, Biointerfaces, 97, 101-108 (2012-05-23)
In this study, curcumin (Cur) loaded mixed micelles (Cur-PF), composed of Pluronic P123 (P123) and Pluronic F68 (F68), was prepared using the thin-film hydration method and evaluated in vitro. The preparation process was optimized with a central composite design (CCD).
Wei Xu et al.
Drug delivery, 19(4), 208-219 (2012-05-31)
The aim of this study was to construct novel targeting polymeric micelles. Folate-Poly (ethylenimine)-Pluronic copolymers were synthesized. A paclitaxel (PTX)-loaded mixed micelles consisting of Folate-Poly (ethylenimine)-Pluronic and Pluronic L121 copolymers have been developed. The mixed micelles showed nano-sized spherical morphology.
D J Bartley et al.
Veterinary parasitology, 187(3-4), 464-472 (2012-03-21)
Non-specific mechanisms involving ATP-binding cassette drug efflux transporters may play an important role in xenobiotic clearance in ovine gastro-intestinal nematodes. By using transporter inhibitors, the aim of this trial was to assess the possibility of increasing drug bioavailability in the
Xijun Zhang et al.
Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban, 31(6), 842-845 (2011-12-17)
This study examined the effect of P85 (a pluronic block copolymer) and microbubble (MB) ultrasound contrast agents under ultrasound irradiation on gene transfection and expression. The pEGFP plasmids that can encode enhanced green fluorescent protein (pEGFP) served as a report

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Mesoporous materials self-assemble from sol-gel precursors and amphiphiles, forming versatile structures for various applications.

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