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Merck

276685

Sigma-Aldrich

甲基丙烯酸酐

contains 2,000 ppm topanol A as inhibitor, ≥94%

别名:

Methacrylic acid anhydride

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About This Item

线性分子式:
[H2C=C(CH3)CO]2O
CAS号:
分子量:
154.16
Beilstein:
1761982
MDL號碼:
分類程式碼代碼:
12162002
PubChem物質ID:
NACRES:
NA.23

品質等級

化驗

≥94%

形狀

liquid

包含

2,000 ppm topanol A as inhibitor

折射率

n20/D 1.453 (lit.)

bp

87 °C/13 mmHg (lit.)

密度

1.035 g/mL at 25 °C (lit.)

SMILES 字串

CC(=C)C(=O)OC(=O)C(C)=C

InChI

1S/C8H10O3/c1-5(2)7(9)11-8(10)6(3)4/h1,3H2,2,4H3

InChI 密鑰

DCUFMVPCXCSVNP-UHFFFAOYSA-N

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一般說明

甲基丙烯酸酐是一种有机化合物,来源于甲基丙烯酸,属于丙烯酸类。它主要用作聚合物的单体,特别是聚(甲基丙烯酸)及其共聚物的生产中。由于其优异的化学和热稳定性,这些聚合物在广泛的行业中应用,包括生物可再生树脂、pH敏感水凝胶、热固性树脂、涂料、胶粘剂和塑料。在甲基丙烯酸酐的聚合过程中,最常用的抑制剂是Topanol A。通常以小量(2000 ppm)添加,以阻止在聚合过程中不良的副反应,确保受控和高质量的聚合物形成。

應用

甲基丙烯酸酐可用作合成以下材料的起始物:
  • 通过共聚反应合成甲基丙烯酰化软骨素硫酸盐pH敏感水凝胶。这些水凝胶可用于药物传递系统。
  • 高性能木质素基热固性树脂。
  • 凝胶聚合物电解质,然后与阴极集成以形成高性能锂离子电池。
甲基丙烯酸酐也可用作前体,用于合成生物可再生树脂,应用于复合材料应用。例如,它可用于制备大豆油和丁香酚基树脂体系。该树脂具有较高的热稳定性和良好的机械性能,使其成为拉挤工艺的合适基体。

象形圖

CorrosionExclamation mark

訊號詞

Danger

危險分類

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 2

閃點(°F)

183.2 °F - closed cup

閃點(°C)

84 °C - closed cup

個人防護裝備

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Notes-Acrylic and Methacrylic Anhydrides.
Brotherton T, et al.
The Journal of Organic Chemistry, 26(4), 1283-1284 (1961)
A I Van Den Bulcke et al.
Biomacromolecules, 1(1), 31-38 (2001-11-17)
Dynamic shear oscillation measurements at small strain were used to characterize the viscoelastic properties and related differences in the molecular structure of hydrogels based on gelatin methacrylamide. Gelatin was derivatized with methacrylamide side groups and was subsequently cross-linked by radical
G Bahcecioglu et al.
Biomaterials, 218, 119361-119361 (2019-07-25)
A PCL/hydrogel construct that would mimic the structural organization, biochemistry and anatomy of meniscus was engineered. The compressive (380 ± 40 kPa) and tensile modulus (18.2 ± 0.9 MPa) of the PCL scaffolds were increased significantly when constructs were printed with a shifted design and circumferential
Kunyu Zhang et al.
Materials science & engineering. C, Materials for biological applications, 103, 109835-109835 (2019-07-28)
Hydrogels are promising soft materials for the delivery of therapeutic cells and cargo molecules. Inspired by mussel adhesion chemistry, hydrogels based on catechol (Cat)-modified polysaccharides have been developed to enhance hydrogel-tissue interactions. However, due to the inevitable side reactions such
Avathamsa Athirasala et al.
Scientific reports, 7(1), 3323-3323 (2017-06-14)
The requirement for immediate vascularization of engineered dental pulp poses a major hurdle towards successful implementation of pulp regeneration as an effective therapeutic strategy for root canal therapy, especially in adult teeth. Here, we demonstrate a novel strategy to engineer

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