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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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About This Item

CAS号:
9003-11-6
MDL號碼:
MFCD00082049
分類程式碼代碼:
12352112
PubChem物質ID:
24867235
NACRES:
NA.23

蒸汽密度

>1 (vs air)

蒸汽壓力

<0.3 mmHg ( 20 °C)

形狀

viscous liquid

分子量

average Mn ~4,400

成份

PEG, 30 wt. %

折射率

n20/D 1.454

表面張力

33 dyn/cm, 25 °C, 0.1 wt. % in H2O

黏度

1,200 cP(25 °C, Brookfield)(lit.)

轉變溫度

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

InChI

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

InChI 密鑰

RVGRUAULSDPKGF-UHFFFAOYSA-N

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應用

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。

特點和優勢

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。

外觀

末端主要是二羟基官能化低聚物。

法律資訊

Pluronic is a registered trademark of BASF

儲存類別代碼

10 - Combustible liquids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)

分析证书(COA)

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Jianan Shen et al.
Biomaterials, 34(5), 1581-1590 (2012-11-14)
The metastasis of breast cancer is the leading cause of cancer death in women, and the lung is a common location of a secondary tumor that has metastasized from the primary source tumor. In this work, an attempt to simultaneously
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
A N Sklifas et al.
Biofizika, 57(2), 317-324 (2012-05-19)
The adsorption abilities of the perfluorocarbon emulsion stabilized by Proxanol 268 were investigated in vitro and in vivo. In vitro, the saturation point for the blood plasma proteins was nearly reached after five minutes of incubation of the emulsion with
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
Tsz Chung Lai et al.
Colloids and surfaces. B, Biointerfaces, 99, 27-37 (2011-10-18)
Polyplex particles formed with plasmid DNA (pDNA) and Pluronic P85-block-poly{N-[N-(2-aminoethyl)-2-aminoethyl]aspartamide} (P85-b-P[Asp(DET)]) demonstrated highly effective transfection ability compared to PEG-based block cationomer, PEG-b-P[Asp(DET)]. Ternary polyplexes comprising PEG-b-P[Asp(DET)], poly(ethylene oxide)-b-poly(propylene oxide)-b-poly(ethylene oxide)-b-P[Asp(DET)] (P(EPE)-b-P[Asp(DET)]) used as an analog of P85-b-P[Asp(DET)], and pDNA were
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