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化合物英文学名 | Ethyl cellulose | 化合物中文学名 | 乙基纤维素 |
---|---|---|---|
CAS号 | 9004-57-3 | 分子式 | |
分子量 | 精确质量 | ||
LogP | PSA | ||
外观与性状 | 白色至黄褐色的液体 | 折射率 | 1.14 |
稳定性 | Stable under normal temperatures and pressures. | 储存条件 | Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. |
密度 | 1.45 | 熔点 | 240-255ºC |
乙基纤维素(ec)
ethylcellulose (ec)
l 产品简介
乙基纤维素(ec)是以天然纤维素为主要原料,经过化学反应加工制成的一种有机溶性纤维素醚,属非离子型纤维素醚类。外观为白色至微黄色粉末或颗粒,无嗅、无味。
brief introduction
ethylcellulose (ec), taking natural cellulose as the main raw material, is organic-soluble cellulose ether produced by a series of chemical reactions, belonging to nonionic cellulose ethers. the appearance of ec is white to slight yellow powder or granules without smell and taste
l 产品性质product properties
乙基纤维素(ec)吸湿性小,电学性能好;对光、热、氧、湿具有良好的稳定性,对化学品稳定,不易燃烧;能耐强碱、稀酸和盐溶液,能溶于醇、醚、酮、酯、芳烃、卤代烃等有机溶剂。
ec has small moisture absorption, good electrical properties and good stability to light, heat, oxygen, damp and chemicals. it is nonflammable and tole rant to strong base, diluted acid and brine solution. it can be soluble in organic solvents like alcohols, ethers, ketones, esters, arenes, halohydrocarbons, etc.
l 产品技术要求及规格product types and specifications
1、工业级产品主要技术指标
1 main specifications of industrial ec are as follows.
产品型号product types 指 标 项目specifications | k型 k | n型 n | t型 t |
乙氧基含量,% ethoxyl content, % | 45.0~47.9 | 48.0~49.5 | ≥49.6 |
粘度(1:4乙醇甲苯溶剂,5%)mpa.s viscosity(1:4ethanol-toluene,5%)mpa.s | 见产品粘度规格表 see viscosity specification table | ||
溶解度,% solubility,% | ≥99.0
| ||
灰分含量,% ash content,% | ≤0.3 | ||
水分含量,% moisture content,% | ≤3.0 | ||
耐热性(120℃,16h) heat resistance(120℃,16h) | 无变黄、无结块、焦化 non yellowing, caking and coking |
工业产品粘度规格:
viscosity specifications of industrial ec are as follows:
产品规格 product models | 粘度范围mpa.s viscosity range, mpa.s | 产品规格 product models | 粘度范围mpa.s viscosity range, mpa.s |
7 | 6~9 | 70 | 62~77 |
10 | 8~12 | 100 | 90~110 |
15 | 12~18 | 110 | 100~120 |
20 | 18~24 | 150 | 135~165 |
35 | 30~39 | 200 | 180~220 |
45 | 40~50 | 250 | 220~270 |
55 | 51~61 | 300 | 270~330 |
注:产品粘度范围可按用户要求进行调整。
note: the viscosity range can be adjusted according to customers’ demands.
2 医药级产品技术指标符合中国药典2010版:
the specifications of ec for medicine should comply with 2010 edition of chinese pharmacopoeia.
主要技术指标:
the main specifications are as follows:
产品型号product types 指 标 项目specifications | k型 k | n型 n | t型 t |
乙氧基含量,% ethoxyl content, % | 44.0~47.9 | 48.0~49.5 | 49.6~51.0 |
粘度(1:4乙醇甲苯溶剂,5%)mp.s viscosity(1:4ethanol-toluene,5%)mpa.s | 见医药级产品粘度规格表 | ||
炽灼残渣,% ≤ ignited residue,% | 0.4 | ||
干燥失重,% ≤ loss after drying,% | 3.0 | ||
重金属,% ≤ heavy metal, % | 0.0020 | ||
砷盐,% ≤ salt of arsenic, % | 0.0003 |
医药级产品粘度规格表:
viscosity specifications of ec for medicine are as follows:
粘度规格 product models | 粘度范围mpa.s viscosity range, mpa.s | 粘度规格 product models | 粘度范围mpa.s viscosity range, mpa.s |
7 | 5.6~9.6 | 70 | 63~77 |
10 | 9~11 | 100 | 90~110 |
15 | 13.5~16.5 | 150 | 135~165 |
20 | 18~22 | 200 | 180~220 |
30 | 27~33 | 250 | 225~275 |
50 | 45~55 | 300 | 270~330 |
l 产品的应用main applications
1、工业级乙基纤维素(ec)
乙基纤维素(ec)广泛地应用于各种涂料,如金属表面涂料、纸制品涂料、橡胶涂料、热融涂料和集成电路;用于油墨,如磁性油墨、凹印和苯胺印油墨;用作耐寒材料;用于特种塑料和特殊沉淀,如火箭推进剂包覆带;用于绝缘材料和电缆涂料;用于高分子悬浮聚合分散剂;用于硬质合金和陶瓷的粘合剂;用于纺织工业作印花色浆等。
1 industrial ec
ec can be widely used in various painting, such as metal surface coating, paper product painting, rubber coating, heat-melt coating, and coating for integrated circuit (ic), etc., used in inks like magnetic ink, gravure ink and aniline ink as cold-resistant material, used in special plastics and deposits, for instance coated tape for rocket propellant, used in insulation material and cable coating, used as polymer suspension polymerization dispersant, binder for hard alloy and ceramics, and used in textile industry as printing paste.
2、医药级乙基纤维素(ec)
乙基纤维素(ec)因其不溶于水,主要用于片剂粘合剂和薄膜包衣材料等;也用于骨架材料阻滞剂,制备多种类型的骨架缓释片;用于混合材料制备包衣缓释制剂、缓释小丸;也用于维他命片、矿物药片的粘合剂、缓释剂和防潮剂。
2、ec for medicine
since it is insoluble in water, ec is mainly used as tablet binder and film coating material, etc. it is also used as retarder of framework material for preparing various types of matrix sustained-release tablets, used in hybrid material for preparing coating sustained-release preparation and piller, and used in vitamin and mineral tablets as binder, retarder and moisture proof agent.
l 包装形式packaging
包装采用内层聚乙烯塑料薄膜袋,外层三合一复合纸袋或纸桶;每袋净重每件净重10公斤、20公斤或25公斤。
10kg, 20kg and 25 kg per piece, respectively.
该公司尚未提供产品的MSDS报告,下部信息为摩贝百科数据库为您提供的MSDS信息,供您参考。
提醒该企业完善MSDS信息产品名称 | 纯度 | 规格 | 地区 | 货期 | 公司名称 | 参考 | 操作 |
---|---|---|---|---|---|---|---|
乙基纤维素 | 99% | 25kg | 湖北,天门,黄潭 | 2日 | 湖北永阔科技有限公司 | ¥ 1 起 | 查看详情 |
乙基纤维素 | 99.50% | 25kg | 湖北,天门,黄潭 | 2日 | 湖北万得化工有限公司 | ¥ 1 起 | 查看详情 |
乙基纤维素 | 99.50% | 25kg | 湖北,天门,黄潭 | 2日 | 湖北齐飞医药化工有限公司 | ¥ 1 起 | 查看详情 |
乙基纤维素 | 0.99 | 25kg | 中国,湖北 | 1日 | 湖北巨胜科技有限公司 | 价格需洽谈 | 查看详情 |
乙基纤维素 | 99.50% | 25kg | 湖北,天门,黄潭 | 2日 | 天门恒昌化工有限公司 | ¥ 1 起 | 查看详情 |
乙基纤维素 | 99.50% | 25kg | 湖北,天门,黄潭 | 2日 | 湖北信康医药化工有限公司 | ¥ 1 起 | 查看详情 |
乙基纤维素 | 99.50% | 25kg | 湖北,天门,黄潭 | 2日 | 湖北实顺生物科技有限公司 | ¥ 1 起 | 查看详情 |
乙基纤维素 | 99% | 1kg | 中国,广东 | 14日 | 雨林跨境(深圳)生物科技有限公司 | ¥ 1 起 | 查看详情 |
乙基纤维素 | 99% | 1kg | 中国,广东 | 1日 | 广州承皓贸易有限公司 | 价格需洽谈 | 查看详情 |
乙基纤维素 | 99% | 25kg | 中国,广东 | 1日 | 珠海市双博杰科技有限公司 | 价格需洽谈 | 查看详情 |