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747009

聚(苯乙烯)-嵌段-聚(丙烯酸)

Name: 聚(苯乙烯)-<I>嵌段</I>-聚(丙烯酸)
Brand: ALDRICH

PS:PAA 30,000:2,000, PDI ≤1.1

别名:

PS-PAA, PS-PAA amphiphilic diblock copolymer

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About This Item

线性分子式:

C₄H₆N(C₈H₈)_x(C₃H₄O₂)_yH

分類程式碼代碼:

12352100

NACRES:

NA.23

形狀

powder

分子量

M_n 1,000-2,000 (poly(acrylic acid))
M_n 27,000-31,000 (polystyrene)
M_n 28,000-33,000 (total)

蛋白質二硫鍵異構酶

≤1.1

應用

Polystyrene-block-polyacrylic acid is a diblock copolymer used for making polymeric micelles/ vesicles (polymersomes) and other encapsulation applications, . This PS-block-PAA copolymer is 10 wt. % PAA; and should form micelles in water in the 100~200 nm range. The polystyrene degree of polymerization (DP) is 275 and the polyacrylic acid DP is 30.

法律資訊

Sold for research purposes only and subject to field restriction: see www.sigmaaldrich.com/raftlicense. Patents: 7,714,075; 7,250,479; 7,666,962; 6,642,318; 6,747,111; W2010/8356.

象形圖

GHS07

訊號詞

Warning

危險聲明

H315,H319,H335

防範說明

P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338

危險分類

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

標靶器官

Respiratory system

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

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Culture-negative pericarditis caused by Neisseria meningitidis serogroup C.

Kaoutar Moumile et al.

Journal of clinical microbiology, 42(2), 923-924 (2004-02-10)

We describe a case of primary purulent culture-negative pericarditis caused by Neisseria meningitidis serogroup C occurring in an 8-month-old previously healthy boy, which was detected in pericardial fluid by broad-spectrum PCR amplification.

Polymer vesicles.

Dennis E Discher et al.

Science (New York, N.Y.), 297(5583), 967-973 (2002-08-10)

Vesicles are microscopic sacs that enclose a volume with a molecularly thin membrane. The membranes are generally self-directed assemblies of amphiphilic molecules with a dual hydrophilic-hydrophobic character. Biological amphiphiles form vesicles central to cell function and are principally lipids of

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