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聚(苯乙烯)-嵌段-聚(丙烯酸)
Poly(styrene)-block-poly(acrylic acid)
产品别名
聚(苯乙烯)-嵌段-聚(丙烯酸)
Poly(styrene)-block-poly(acrylic acid)
PS-PAA
PS-PAA amphiphilic diblock copolymer
结构式
基本信息
| Linear Formula【线性分子式】 | C4H6N(C8H8)x(C3H4O2)yH |
| NACRES | NA.23 |
| Application【应用】 | 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. |
| Legal Information【法律信息】 | 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. |
产品性质
| Quality Level【质量水平】 | 100 |
| mol wt【分子量】 | Mn 1,000-2,000 (poly(acrylic acid)) Mn 27,000-31,000 (polystyrene) Mn 28,000-33,000 (total) |
| PDI | ≤1.1 |
| packaging【包装】 | 500 mg in glass insert |
安全信息
| Pictograms【象形图】 | GHS07 |
| Signal word【警示用语：】 | Warning |
| Hazard Statements | H315 - H319 - H335 |
| Precautionary Statements | P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338 |
| Hazard Classifications【危险分类】 | Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3 |
| Target Organs【靶器官】 | Respiratory system |
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 3 |
