Merck
CN

H7509

Sigma-Aldrich

羟丙基 甲基纤维素

viscosity 2,600-5,600 cP, 2 % in H2O(20 °C)(lit.)

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别名:
2-Hydroxypropyl methyl cellulose ether
CAS号:
MDL编号:
NACRES:
NA.25

生物来源

plant

质量水平

形式

powder

分子量

~86 kDa

颜色

white to off-white

粘度

2,600-5,600 cP, 2 % in H2O(20 °C)(lit.)

溶解性

water: 10 mg/mL, clear to very slightly hazy, colorless

储存温度

room temp

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一般描述

羟丙基甲基纤维素(HPMC)是水溶性聚合物,是纤维素的衍生物。这种多聚糖溶于水中会形成胶体。羟丙甲纤维素是由天然物质经人工制备而成的亲水胶体。甲氧基含量28-30%,羟丙基含量7-12%。

应用

水和非水系统的增稠剂、具有抗脂性的透明薄膜、粘合剂、润滑剂、空间稳定剂和保水剂。
羟丙基甲基纤维素(HPMC)已用于:
  • 作为制备印刷油墨的粘度改性剂
  • 作为制备羟磷灰石(HAP)的增黏剂
  • 制备羟丙基甲基纤维素凝胶及复合体凝胶

生化/生理作用

羟丙基甲基纤维素(HPMC)可作为悬浮助剂、表面活性剂、润滑剂、保护性胶体和乳化剂。此外,HPMC聚合物的溶液形式具有热凝胶性,常用作粘合剂、增稠剂、成膜剂和保水剂。羟丙甲纤维素还具有表面活性。

特点和优势

溶于水,加热后可逆凝胶化,非离子,不与离子组分络合,具有表面活性和抗酶活性。溶液为假塑性。

其他说明

为了全面了解我们针对客户研究提供的各种多糖产品,建议您访问我们的碳水化合物分类页面。

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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