聚乙二醇三甲氧基硅丙基醚 (CAS No.98358-37-3)
- 中文别名
- 氨基偶联剂；3-(甲氧基聚乙二醇氧基)丙基三甲氧基硅烷；PEG-三甲氧基硅丙基醚
- 英文名称
- Polyethylene glycol trimethoxysilylpropyl ether
- 所属类别
- 胶粘剂助剂
- 物化性质
- 透明至微黄色黏稠液体，具有亲水性PEG链和反应性三甲氧基硅烷基团。可与水、醇、酮等极性溶剂混溶，遇水或湿气易水解生成硅醇并进一步缩合。密度约1.02~1.08 g/cm³（25°C），折射率约1.445~1.465，闪点大于100°C。分子量取决于PEG链长度，具体数值根据牌号而定。
- 外观
- 透明至微黄色液体或黏稠液体。
- 闪点
- ＞100°C。
English description（英文原文，共 1349 字符）
Product Name:Polyethylene glycol trimethoxysilylpropyl ether
English Name:Polyethylene glycol trimethoxysilylpropyl ether
CAS No.:98358-37-3
Aliases:Amino coupling agent, Methoxy PEG silane, PEG trimethoxysilylpropyl ether
Physical Properties:Clear to slightly yellow viscous liquid. Possesses a hydrophilic PEG chain and a reactive trimethoxysilane group. Miscible with polar solvents such as water, alcohols, and ketones. Hydrolyzes readily in the presence of water or moisture to form silanols, which further condense. Density: 1.02–1.08 g/cm³ (25°C), refractive index: 1.445–1.465, flash point: >100°C. Molecular weight depends on the PEG chain length and varies with the grade.
Uses:Used as a silane coupling agent and surface modifier for the functionalization of inorganic surfaces such as glass, silica, and metals. The trimethoxysilane group condenses with surface hydroxyl groups to introduce PEG chains, improving hydrophilicity, resistance to non-specific protein adsorption, and compatibility of inorganic-organic interfaces. Widely applied in biomedical coatings, anti-fouling surfaces, paints, and adhesives.
Technical Specifications:
Appearance: Clear to slightly yellow liquid or viscous liquid.
Active content: ≥95% (as silane).
Density (25°C): 1.02–1.08 g/cm³.
Refractive index (25°C): 1.445–1.465.
Flash point: >100°C.
English Name:Polyethylene glycol trimethoxysilylpropyl ether
CAS No.:98358-37-3
Aliases:Amino coupling agent, Methoxy PEG silane, PEG trimethoxysilylpropyl ether
Physical Properties:Clear to slightly yellow viscous liquid. Possesses a hydrophilic PEG chain and a reactive trimethoxysilane group. Miscible with polar solvents such as water, alcohols, and ketones. Hydrolyzes readily in the presence of water or moisture to form silanols, which further condense. Density: 1.02–1.08 g/cm³ (25°C), refractive index: 1.445–1.465, flash point: >100°C. Molecular weight depends on the PEG chain length and varies with the grade.
Uses:Used as a silane coupling agent and surface modifier for the functionalization of inorganic surfaces such as glass, silica, and metals. The trimethoxysilane group condenses with surface hydroxyl groups to introduce PEG chains, improving hydrophilicity, resistance to non-specific protein adsorption, and compatibility of inorganic-organic interfaces. Widely applied in biomedical coatings, anti-fouling surfaces, paints, and adhesives.
Technical Specifications:
Appearance: Clear to slightly yellow liquid or viscous liquid.
Active content: ≥95% (as silane).
Density (25°C): 1.02–1.08 g/cm³.
Refractive index (25°C): 1.445–1.465.
Flash point: >100°C.
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常见问题
- 聚乙二醇三甲氧基硅丙基醚的 CAS 号是多少？
- 聚乙二醇三甲氧基硅丙基醚的 CAS 号是 98358-37-3。
- 聚乙二醇三甲氧基硅丙基醚的英文名称是什么？
- 聚乙二醇三甲氧基硅丙基醚的英文名称为 Polyethylene glycol trimethoxysilylpropyl ether。
- 聚乙二醇三甲氧基硅丙基醚还有哪些别名？
- 聚乙二醇三甲氧基硅丙基醚又称 氨基偶联剂、3-(甲氧基聚乙二醇氧基)丙基三甲氧基硅烷、PEG-三甲氧基硅丙基醚。
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