Overview
Anionic Starch Ether is a modified starch derivative created by introducing anionic groups such as carboxymethyl into the starch molecule. This modification enhances its water solubility, thickening ability, and stability under various conditions. It is derived from natural starch sources like corn, potato, or tapioca, making it a sustainable option for industrial applications. Due to its anionic nature, this starch ether exhibits excellent compatibility with other anionic and non-ionic compounds. It is widely favored in industries requiring viscosity control and water retention, such as papermaking, where it acts as a binder and coating agent.
Physical and Chemical Properties
Anionic Starch Ether typically appears as a white to off-white powder with a mild odor. It is highly soluble in cold or warm water, forming viscous, clear solutions. The viscosity of these solutions depends on the degree of substitution (DS) and concentration, with higher DS grades offering greater thickening power. Chemically, it is stable under neutral to slightly alkaline conditions but may degrade in strongly acidic environments. Its anionic groups provide colloidal stability, preventing particle aggregation. Unlike unmodified starch, it resists retrogradation (gel formation) over time, ensuring consistent performance in applications.
Main Applications
In the paper industry, Anionic Starch Ether is used as a surface sizing agent and coating binder to improve paper strength and printability. Its water-retention properties also make it ideal for textile printing pastes, where it ensures even dye distribution. The construction sector employs it as a thickener in cement-based mortars and tile adhesives, enhancing workability and adhesion. Additionally, it serves as a stabilizer in food-grade applications (where approved) and in pharmaceuticals as a tablet disintegrant. Its biodegradability further supports eco-friendly formulations.
Safety and Storage
Anionic Starch Ether is generally regarded as safe (GRAS) for handling, with low toxicity. However, prolonged exposure to dust may cause respiratory irritation, necessitating the use of protective masks in dusty environments. Skin contact is non-irritating but washing with soap and water is recommended. Storage requires a dry, well-ventilated area at room temperature. Moisture exposure can lead to clumping, reducing product quality. Sealed containers are essential to prevent contamination. Shelf life typically ranges from 12 to 24 months if stored properly.
B2B Procurement Guide
When procuring Anionic Starch Ether, prioritize suppliers who provide detailed technical data sheets (TDS) specifying viscosity, DS value, and purity. Bulk purchases often attract discounts, but verify storage facilities to prevent spoilage. For construction applications, ensure the product meets industry standards like ISO or ASTM. Sample testing is advisable to confirm compatibility with other formulation ingredients. Lead times vary; secure supply agreements during peak demand periods to avoid shortages.
Related Manufacturers
- 主营：聚羧酸减水剂、木质素、甲酸钙、羟丙基淀粉醚、润滑油原料
- 主营：抗裂纤维、建筑外加剂、木质素磺酸钠、羟丙基淀粉醚、矿源黄腐酸钾、陶瓷料浆分散剂、可再分散乳胶粉
- 主营：白纸袋、羟甲基、淀粉钠、阴离子淀粉醚、涂布纸、cms印花、正页助剂、出口花袋、纤维素钠、印花糊料、腻子胶粉、甲基纤维素、羧甲基淀粉、酸性染料印花、活性染料印花、分散染料印花
- 主营：全国回收羟丙基淀粉醚、染料回收、回收颜料
- 主营：环氧树脂、氧化镁、氯化镁、淀粉醚、树脂胶、灰钙、白水泥、元明粉、氯化钙、石膏粉、胶粉、耐火水泥、纤维素、快硬水泥
- 主营：纤维素、羧甲基纤维素、羧甲基纤维素钠、淀粉醚、预糊化淀粉
- 主营：回收油漆、回收树脂、回收橡胶助剂、淀粉醚、回收油漆厂原料、回收橡胶、回收香精、回收热熔胶
- 主营：酪蛋白 干酪素、氯化胆碱、甜菜碱、淀粉醚、酵母浸粉、低聚果糖、低聚木糖、甘露寡糖、菊粉、D-异抗坏血酸钠、ε-聚赖氨酸、ε-聚赖氨酸盐酸盐、乳酸链球菌素、丁基羟基茴香醚、阿拉伯胶、海藻酸钠、黄原胶、结冷胶、聚丙烯酸钠
- 主营：羟丙基甲基纤维素、可再分散性乳胶粉、纤维素醚、淀粉醚、艾维贝 淀粉醚301、HPMC、羟丙甲纤维素、羟丙基甲基纤维素醚、化工级HPMC、HPMC纤维素、食品级羟丙基甲基纤维、高粘度羟丙基甲基纤维、工业级羟丙基甲基纤维、瓷砖胶粘剂、自流平砂浆、耐水腻子粉、聚乙烯醇、聚乙烯醇PVA、腻子粉、砂浆添加剂、聚丙烯纤维、高强度聚丙烯纤维、混凝土砂浆用纤维、301艾维贝
- 主营：L-半胱氨酸、L-苯丙氨酸、L-谷氨酸、淀粉醚、L-蛋氨酸、维生素A、维生素B1、维生素B12、维生素B2、维生素B5、维生素B6、维生素C、维生素D3、维生素E、D-生物素、阿拉伯胶、刺槐豆胶、瓜尔豆胶、果胶 高酯果胶 低酯、海藻酸钠、黄原胶、结冷胶 低酰基结冷胶、聚丙烯酸钠、卡波姆
- 主营：瓷砖外墙、良好拉丝、醚化淀粉、301淀粉醚、水泥砂浆、惠广纤维素、速溶胶水粉、羧甲基纤维素、水溶聚酯颗粒
- 主营：羟丙基甲基纤维素、聚羧酸高效减水剂、F10高效减水剂、阳离子、洗涤剂、凡士林、柠檬酸、乳胶粉、葡萄糖、减水剂、元明粉、防腐剂、渗透剂、叶面肥、防水剂、消泡剂、缓凝剂、填充剂、硅酸钠、水泥掺、添加剂、润滑剂、茶皂素、十二烷基苯磺酸钠
- 主营：花生酸、碳酸钠、单氟磷酸钠、羟丙基淀粉醚、丁基羟基茴香醚、鱼大豆酵母原料
- 主营：黄血盐钾、黄血盐钠、氟化钾、羟丙基淀粉醚、氟化钠、氟硅酸铵、水杨酸钠、聚六亚甲基胍盐酸盐、黄丹粉、九水硫化钠、红丹粉、氢氧化钡、氧化铋、对甲苯磺酸、二氧化硒、三硫代碳酸钠、醋酸铅、氯化铅、还原铁粉、碱式碳酸铅、次磷酸、对二氯苄
- 主营：有机原料、中间体、香精香料、淀粉醚、催化剂、有机硅、表面活性剂
- 主营：叔碳酸、十八醛、溶菌酶、羟乙基淀粉醚、海藻糖、癸二醇、氨基丙基、氢路噻嗪、邻苯二甲、乙基碳二、羟基癸酸、正十七烷、谷胱甘肽、烷二甲醇、松果体素、vc磷酸酯镁、2-甲基丁醛、朱栾倍半萜、丁烷四乙酸、表面活性剂、癸烷撑二醇、缩水甘油邻、10-羟基羊蜡酸、氢氯噻嗪杂质、盐酸邻菲罗啉、壳聚糖季铵盐
- 主营：杜仲素、对位酯、丙烯酸酯、羟丙基淀粉醚、二氧化硫脲、乙基麦芽酚、饲料添加剂、油酸基硬脂酸、二苯基硅二醇