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Merck
CN

412325

Sigma-Aldrich

聚(乙二醇)- 嵌段 - 聚(丙二醇)- 嵌段 - 聚(乙二醇)

average Mn ~8,400

别名:

Pluronic® F-68 LF锭剂, 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)

蒸汽压

<0.3 mmHg ( 20 °C)

表单

beads

分子量

average Mn ~8,400

组成

PEG, 80 wt. %

表面张力

50 dyn/cm, 25 °C, 0.1 wt. % in H2O

粘度

1,000 cP(77 °C, Brookfield)(lit.)

转变温度

cloud point >100 °C (1 wt. % aqueous solution)
Tm 52 °C

密度

1.06 g/mL at 25 °C

HLB

>24.0

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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

11 - Combustible Solids

WGK

WGK 1

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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Sean P Cleary et al.
The Analyst, 145(13), 4688-4697 (2020-05-28)
Native electrospray mass spectrometry is a powerful method for determining the native stoichiometry of many polydisperse multi-subunit biological complexes, including multi-subunit protein complexes and lipid-bound transmembrane proteins. However, when polydispersity results from incorporation of multiple copies of two or more
Laurien Buitinga et al.
Clinical and experimental rheumatology, 29(5), 783-789 (2011-10-04)
The Time Trade-Off (TTO) is an instrument used for valuing health-related quality of life. This study evaluated the test-retest reliability of a computer TTO in rheumatoid arthritis (RA), and compared the computer with the interview TTO regarding feasibility and agreement.
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

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