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348406

Sigma-Aldrich

聚乙烯醇

average Mw 13,000-23,000, 98% hydrolyzed

同義詞:

PVA

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About This Item

線性公式:
[-CH2CHOH-]n
CAS號碼:
MDL號碼:
分類程式碼代碼:
12352104
NACRES:
NA.23

形狀

powder or crystals

分子量

average Mw 13,000-23,000

降落球

3.5-4.5 cP, 4 % in H2O(20 °C)(lit.)

溶解度

H2O: soluble

InChI

1S/C2H4O/c1-2-3/h2-3H,1H2

InChI 密鑰

IMROMDMJAWUWLK-UHFFFAOYSA-N

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相關類別

一般說明

聚乙烯醇(PVA)是基于乙烯的水溶性聚合物,可用作无毒的表面活性剂。它还可作为生物可降解聚合物,掺入粘合剂、涂料、织物、陶瓷和化妆品中。它具有良好的透明度、化学抗性、韧性和抗静电性能。

應用

聚乙烯醇可用于各种应用,包括:
  • 作为钛表面修饰用纳米颗粒稳定剂
  • 制备超级电容用电解质
  • 与碳纳米管 (CNT)形成复合物,用于薄膜器件和柔性电子系统。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

No data available

閃點(°C)

No data available

個人防護裝備

Eyeshields, Gloves, type N95 (US)


分析證明 (COA)

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Plastics Materials, 386-397 (1999)
Biodegradation of poly (vinyl alcohol) based materials
Chiellini E, et al.
Progress in Polymer Science, 28(6), 963-1014 (2003)
Gang Wang et al.
PloS one, 6(11), e27605-e27605 (2011-11-24)
Mucosal vaccination has been demonstrated to be an effective means of eliciting protective immunity against aerosol infections of foot and mouth disease virus (FMDV) and various approaches have been used to improve mucosal response to this pathogen. In this study
Roger F Falkenstern-Ge et al.
Journal of bronchology & interventional pulmonology, 20(1), 58-62 (2013-01-19)
Emphysema is a progressive and irreversible disease for which there is no cure to date. The patients experience debilitating shortness of breath with repetitive exacerbations and poor quality of daily life. At present, patients with severe emphysema have limited treatment
J H Seol et al.
Rhinology, 51(2), 137-142 (2013-05-15)
A number of different nasal packing materials are available for prevention of nasal bleeding after endoscopic sinus surgery. Polyvinyl alcohol (PVA) coated nasal packing is an expandable packing for use in rhinological surgery. This innovative surf- ace treatment helps to

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