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746991

Sigma-Aldrich

聚苯乙烯-嵌段-聚（丙烯酸）

别名:

聚(苯乙烯)-嵌段-聚(丙烯酸)

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About This Item

经验公式（希尔记法）:
C4H6N(C8H8)m(C3H4O2)nH
UNSPSC代码:
12352100
NACRES:
NA.23

表单

solid

质量水平

100

分子量

Mn 27,000-31,000 (polystyrene)
Mn 31,000-37,000 (total)
Mn 4,000-6,000 (poly(acrylic acid))

mp

258-263 °C

PDI

≤1.3

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应用

聚苯乙烯-b-聚丙烯酸是一种二嵌段共聚物，用于制造聚合物囊泡（聚合物囊泡）和其他封装应用。1-9 这种PS-b-PAA共聚物的为1wt. % AA；且应在水中形成100 nm范围的囊泡。 聚苯乙烯的聚合度 (DP) 为275，聚丙烯酸 DP 为50。

法律信息

仅面向研究用途出售。  不能用于人体。  在打开或使用本产品前，请仔细阅读以下条款和条件。  使用本产品即表示对本条款和条件的确认和接受：本产品的使用受到如下一项或多项美国专利及其对应的境外专利声明保护：7,714,075；7,250,479；7,666,962；6,642,318；6,747,111及未决申请(W2010/8356)。  有关详情，请联系Aldrich Chemical Company, Inc。

象形图

Exclamation mark
GHS07

警示用语：

Warning

危险声明

H315,H319,H335

危险分类

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

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分析证书(COA)

Lot/Batch Number
MKCC4822

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Amphiphilic core?shell nanospheres obtained by intramicellar shell crosslinking of polymer micelles with poly(ethylene oxide) linkers
Haiyong Huang,
Chemical Communications (Cambridge, England), 13, 1415-1415 (1998)
Effect of Poly(acrylic acid) Block Length Distribution on Polystyrene-b-Poly(acrylic acid) Aggregates in Solution. 1. Vesicles
Owen Terreau,
Langmuir, 19, 5601-5607 (2003)
Block Length Dependence of Morphological Phase Diagrams of theTernary System of PS-b-PAA/Dioxane/H2O
Hongwei Shen and Adi Eisenberg
Macromolecules, 33(7), 2561-2561 (2000)
Multiple Morphologies and Characteristics of ?Crew-Cut? Micelle-like Aggregates of Polystyrene-b-poly(acrylic acid) Diblock Copolymers in Aqueous Solutions
Lifeng Zhang and Adi Eisenberg
Journal of the American Chemical Society, 118, 3168-3181 (1996)
Qiang Tian et al.
Langmuir : the ACS journal of surfaces and colloids, 36(17), 4820-4826 (2020-04-11)
The interactions between natural colloidal organic matter and actinides in solutions are complex and not fully understood. In this work, a crew-cut polystyrene-b-poly(acry1ic acid) (PS-b-PAA) micelle is proposed as a model particle for humic acid (HA) colloid with the aim
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