Merck
CN

409537

Sigma-Aldrich

聚(乙二醇)甲基丙烯酸酯

average Mn 360, contains 500-800 ppm MEHQ as inhibitor

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别名:
PEGMA, 乙氧化甲基丙烯酸2-羟乙酯, 聚氧乙烯单甲基丙烯酸酯
线性分子式:
H2C=C(CH3)CO(OCH2CH2)nOH
CAS号:
MDL编号:
NACRES:
NA.23

形式

liquid

质量水平

分子量

average Mn 360

包含

500-800 ppm MEHQ as inhibitor

reaction suitability

reagent type: cross-linking reagent
reaction type: Polymerization Reactions

折射率

n20/D 1.464

密度

1.105 g/mL at 25 °C

Ω端

hydroxyl

α端

methacrylate

聚合物结构设计

shape: linear
functionality: heterobifunctional

InChI

1S/C6H10O3/c1-5(2)6(8)9-4-3-7/h7H,1,3-4H2,2H3

InChI key

WOBHKFSMXKNTIM-UHFFFAOYSA-N

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447935409529447943
mol wt

average Mn 360

mol wt

average Mn 300

mol wt

average Mn 500

mol wt

average Mn 500

reaction suitability

reagent type: cross-linking reagent
reaction type: Polymerization Reactions

reaction suitability

reagent type: chemical modification reagent
reaction type: Polymerization Reactions

reaction suitability

reagent type: cross-linking reagent
reaction type: Polymerization Reactions

reaction suitability

reagent type: chemical modification reagent
reaction type: Polymerization Reactions

density

1.105 g/mL at 25 °C

density

1.05 g/mL at 25 °C

density

1.101 g/mL at 25 °C

density

1.08 g/mL at 25 °C

Ω-end

hydroxyl

Ω-end

methacrylate

Ω-end

hydroxyl

Ω-end

methacrylate

α-end

methacrylate

α-end

methoxy

α-end

methacrylate

α-end

methoxy

一般描述

聚乙二醇(PEG)是适合生物应用的材料,因为它不会触发免疫反应。它可以通过乙撑氧阴离子环和一系列末端基团(比如基丙烯酸甲酯:PEGMA)开环聚合来合成。PEG是一种亲水聚合物,当交联成网状时,可以形成水凝胶。丙烯酸酯和甲基丙烯酸酯链末端经过链聚合形成PEGMA水凝胶。

应用

PEGMA 可以作为单体合成:
  • 可降解微球,采用悬浮聚合工艺。PEGMA 的两亲性允许在水悬浮过程中通过直接油进行聚合。
  • 用于有效去除水中重金属的聚合螯合微珠。
也可通过 Michael 加成反应合成微颗粒或纳米颗粒基壳聚糖/聚乙二醇复合材料。PEGMA 接枝提高了壳聚糖在水介质中的溶解度。这些颗粒可作为眼科给药系统的载体。

外形

官能化单甲基丙烯酸酯

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Skin Irrit. 2

储存分类代码

10 - Combustible liquids

WGK

WGK 3

闪点(°F)

235.4 °F - closed cup

闪点(°C)

113 °C - closed cup

个人防护装备

Eyeshields, Gloves, type ABEK (EN14387) respirator filter


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