聚（丙烯酸）（PAA）在自然状态下具有吸湿性、脆性和且无色，Tg接近106oC。在高于200至250oC的温度下，它会失水并变成不溶的交联聚合物酸酐。干燥的PAA在水中的溶解度会随着温度的升高而提高。PAA在水中的浓缩液在自然状态下是具有触变性的。 Poly (acrylic acid) (PAA) is hygroscopic, brittle and colorless in nature with Tg at nearly 106oC. At temperatures above 200 to 250oC, it loses water and becomes an insoluble crosslinked polymer anhydride. Solubility of dried PAA in water increases with rise in temperatures. Concentrated solutions of PAA in water is thixotropic in nature. Application Applications of PAA may include: to study solute diffusion in Polyvinyl alcohol/PAA copolymer hydrogel. synthesizing poly(N-isopropylacrylamide)-block-PAA copolymer which responds to both temperature and pH stimuli. in preparing block copolymer of oligo (methyl methacrylate)/PAA for micellar delivery of hydrophobic drugs. as thickening agent for adhesives.
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Poly(acrylic acid)（PAA）
Dangerous GoodsCAS number：9003-1-4 molecular formula：(C3H4O2)n
overview
compound introduction
Specs
| Chinese alias | PAA | ||
| English alias | PAA | ||
| CAS number | 9003-1-4 | molecular formula | (C3H4O2)n |
| molecular weight | 72.060 g/mol | Exact mass | 粘度 ≤2000 cP(25℃) |
| PSA | 37.300 Ų | logp | 0.3 |
numbering system
No numbering system information yet
physicochemical properties
No physical and chemical property information yet
Safety information
pictogram：
GHS09 , GHS05 , GHS07
Signal word：
Danger
Hazard Statement：
H314: 造成严重的皮肤灼伤和眼睛损伤 H302: 吞食有害 H312: 皮肤接触有害 H400: 对水生生物有剧毒 H226: 易燃液体和蒸气 H332: 吸入有害
Statement of Preventive Measures：
P261: 避免吸入灰尘/烟雾/气体/雾/蒸汽/喷雾 P273: 避免释放到环境中。 P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P370+P378: 火灾时：使用干砂、干粉或抗醇泡沫灭火。 P210: 远离热源，热表面，火花，明火和其他点火源。 - 禁止抽烟。 P302+P352: 如皮肤沾染：用水充分清洗。 P321: 特殊处理（请参阅此标签上的...）。 P405: 密闭存放 P501: 将内容物/容器处理到。。。 P233: 保持容器密闭。 P240: 地面/粘结容器和接收设备 P
WGK Germany：
1
Personal protective equipment：
Eyeshields,Gloves,type N95 (US),type P1 (EN143) respirator filter
RTECS：
AT4680000
Production methods and uses
No production method and use information yet
Related
upstream information
No upstream information yet
downstream information
No downstream information yet
MSDS
Found 0 shareMSDS
