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Merck

435414

Sigma-Aldrich

聚(乙二醇)- 嵌段 - 聚(丙二醇)- 嵌段 - 聚(乙二醇)

average Mn ~1,900

别名:

Pluronic® L-35, PEG-PPG-PEG

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About This Item

CAS号:
MDL编号:
UNSPSC代码:
12352112
PubChem化学物质编号:
NACRES:
NA.23

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 ~1,900

组成

PEG, 50 wt. %

折射率

n20/D 1.461

表面张力

49 dyn/cm, 25 °C, 0.1 wt. % in H2O

粘度

375 cP(25 °C, Brookfield)(lit.)

转变温度

softening point 7 °C
cloud point 73 °C (1 wt. % aqueous solution)

密度

1.06 g/mL at 25 °C

HLB

18.0 - 23.0

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 1

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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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.
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).
A Kiwilsza et al.
Journal of microencapsulation, 30(1), 21-27 (2012-06-09)
Mesoporous material SBA-15 of hexagonal structure was synthesised and its usefulness as a carrier for a poorly soluble drug--lacidipine (LA)--was tested. The source of silica was tetraethyl orthosilicate (TEOS) and the structure ordering agent was non-ionic surfactant Pluronic P123. SBA-15
Wendell J Lu et al.
Lipids, 47(6), 571-580 (2012-02-03)
Glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP) are incretins produced in the intestine that play a central role in glucose metabolism and insulin secretion. Circulating concentrations of GLP-1 and GIP are low and can be difficult to assay in
Houjian Gong et al.
Langmuir : the ACS journal of surfaces and colloids, 28(38), 13590-13600 (2012-09-08)
The block polyethers PEO-PPO-ph-PPO-PEO (BPE) and PPO-PEO-ph-PEO-PPO (BEP) are synthesized by anionic polymerization using bisphenol A as initiator. Compared with Pluronic P123, the aggregation behaviors of BPE and BEP at an air/water interface are investigated by the surface tension and

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