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羟乙基纤维素 - 百度百科
羟乙基纤维素(hec) ,化学式(c 2 h 6 o 2) n ,是一种白色或淡黄色,无味、无毒的纤维状或粉末状固体, 由碱性纤维素和 环氧乙烷 (或 氯乙醇 ) 经醚化反应制备, 属非离子型可溶 纤维素醚 类。
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Hydroxyethyl cellulose - Wikipedia
Hydroxyethyl cellulose is a gelling and thickening agent derived from cellulose. It is widely used in cosmetics, cleaning solutions, and other household products. [1] . Hydroxyethyl cellulose and methyl cellulose are frequently used with hydrophobic drugs in capsule formulations, to improve the drugs' dissolution in the gastrointestinal fluids.
Hydroxyethyl cellulose (HEC) - SE Tylose
Tylose® HEC (hydroxyethyl cellulose/Tylose H-grades) are soluble in water at any temperature. Tylose HEC are nonionic cellulose ethers, which are offered as free flowing powder or in granular form. Many Tylose HEC grades have a retarded solubility which ensures a lump free solution in aqueous systems.
HEC_化工百科 - ChemBK
属非离子型的纤维素醚类,由于分子内含有亲水性的羟乙基,故易溶于冷水和热水。 其水溶液的pH值为6.5~8.5,对热稳定。 HEC根据取代度 (DS)不同有不同的溶解度。 不溶于绝大多数有机溶剂。 具有增稠、悬浮、黏合、乳化、分散、保持水分等性能,可制备不同黏度范围的溶液。 对电介质具有异常好的溶盐性,其水溶液中允许含有高浓度的盐类而稳定不变。 将棉短绒或精制棉浆粕浸泡于30%的碱液中。 取出后进行压榨。 然后进行粉碎,再与经过预冷的环氧乙烷进行反 …
natrosol™ hydroxyethylcellulose (HEC) - Ashland Global
Natrosol™ hydrdoxyethylcellulose (HEC), a nonionic, water-soluble polymer, is a white, free-flowing granular powder. Solutions of Natrosol™ HEC are pseudoplastic or shear-thinning. Natrosol™ HEC is easily dissolved in cold or hot water to …
HEVC扩展免费安装(windows10) - 哔哩哔哩
2023年1月31日 · 近期,up发现有些视频会因为缺少解码器而无法播放,需要下载HEVC 视频扩展(7元)
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Antibacterial Properties of Hydroxyethyl Cellulose-Based Drug …
2025年2月10日 · Hydroxyethyl cellulose (HEC) is a multifunctional polymer whose reticular structure and water retention capacity give it a great advantage in medical materials.
Hydroxyethy Cellulose
SidleyCel® HEC (Hydroxy Ethyl Cellulose) is non-ionic cellulose ether, easily dispersed and dissolved in water. It provides thickening, colloid protection, construction property improvement, wetting and stability to final product to ensure high quality.