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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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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 ~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)


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分析证书(COA)

Lot/Batch Number

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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
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
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
Neeta Jain-Gupta et al.
FEMS immunology and medical microbiology, 66(3), 436-444 (2012-11-21)
Brucellosis is the most common zoonotic disease worldwide, and there is no vaccine for human use. Brucella melitensis Rev1, a live attenuated strain, is the commercial vaccine for small ruminants to prevent B. melitensis infections but has been associated with abortions
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

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