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435449

Sigma-Aldrich

聚（乙二醇）- 嵌段 - 聚（丙二醇）- 嵌段 - 聚（乙二醇）

average Mn ~2,900

别名:

Pluronic® L-64, PEG-PPG-PEG

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About This Item

CAS号:
9003-11-6
MDL编号:
MFCD00082049
UNSPSC代码:
12352104
PubChem化学物质编号:
24867234
NACRES:
NA.23

蒸汽密度

>1 (vs air)

质量水平

200

蒸汽压

<0.3 mmHg ( 20 °C)

表单

viscous liquid

分子量

average Mn ~2,900

组成

PEG, 40 wt. %

折射率

n20/D 1.46

表面张力

43 dyn/cm, 25 °C, 0.1 wt. % in H2O

粘度

850 cP(25 °C, Brookfield)(lit.)

转变温度

cloud point 58 °C (1 wt. % aqueous solution)

密度

1.05 g/mL at 25 °C

HLB

12.0 - 18.0

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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相关类别

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
MKCW3532
MKCT8242
MKCT0365
MKCS3385
MKCR2995

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is Product 435449, Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol), soluble in?

    This product is soluble in o-xylene

  5. What is the hydrophile-lipophile balance (HLB) of Product 435449, Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol)?

    The hydrophile-lipophile balance (HLB) is between 12.0-18.0.

  6. What is the softening point of Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol)?

    The softening point is 16°C.

  7. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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.
Wanhua Feng et al.
Colloids and surfaces. B, Biointerfaces, 105, 43-50 (2013-01-29)
The interaction between bacteria and surfaces is central to many environmental, industrial and medical applications. Surfactants are commonly used in these applications and can potentially influence the bacterium/surface interaction. The effect of surfactants upon bacterial cell surface thermodynamic properties was
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
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
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