Overview
Hydroxypropyl Starch Ether (HPS) is a chemically modified starch derivative, where hydroxypropyl groups are introduced to enhance its functional properties. This modification improves water solubility, thermal stability, and viscosity, making it suitable for diverse industrial applications. HPS is derived from natural starch, typically corn or potato, through etherification. Its biodegradable and non-toxic nature aligns with eco-friendly industrial trends, particularly in construction and food sectors.
Physical and Chemical Properties
HPS appears as a white to off-white powder with a density of approximately 1.5 g/cm³. It dissolves readily in cold water, forming viscous solutions that exhibit pseudoplastic behavior. Unlike unmodified starch, HPS resists retrogradation and maintains stability under varying pH and temperature conditions. Key chemical properties include high water retention capacity and resistance to enzymatic degradation. These traits make it ideal for applications requiring prolonged hydration or controlled release, such as tile adhesives or pharmaceutical tablets.
Main Applications
In construction, HPS is a critical additive in cement-based products like mortars and self-leveling compounds, where it improves workability and reduces water absorption. Its thickening and stabilizing properties are also leveraged in pharmaceutical coatings and food products like sauces and dressings. The textile industry uses HPS as a sizing agent, while personal care products incorporate it for its emulsifying capabilities. Its versatility stems from adjustable viscosity grades, allowing customization for specific industrial needs.
Safety and Storage
HPS is generally recognized as safe (GRAS) for food and pharmaceutical use but requires proper handling to avoid dust inhalation, which may irritate respiratory systems. Storage in moisture-proof containers at room temperature (below 30°C) is recommended to prevent clumping or degradation. In industrial settings, workers should use basic personal protective equipment (PPE) such as masks and gloves. Spills should be cleaned promptly to prevent slip hazards due to its slippery nature when wet.
B2B Procurement Guide
When sourcing HPS, prioritize suppliers that provide detailed technical data sheets (TDS) specifying viscosity, purity, and hydroxypropyl substitution degree. Bulk procurement (e.g., 25-kg bags or palletized loads) often reduces costs, but verify storage facilities to maintain product integrity. For construction applications, test compatibility with other additives like cellulose ethers. Food and pharmaceutical buyers must ensure compliance with relevant standards (e.g., USP, FCC). Sample testing is advised to confirm performance in end-use formulations.
Related Manufacturers
- 主营：聚羧酸高效减水剂、F10高效减水剂、洗涤剂、羟丙基甲基纤维素、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、阳离子、茶皂素、十二烷基苯磺酸钠
- 主营：柠檬酸、润滑剂、集尘剂、羟丙基淀粉醚、抗粘剂、沉淀剂、电气药粉、磷酸二铵、磷酸一铵、蜡烛原料、十八烷酸、硫代硫酸钠、耐热稳定剂、污水处理剂、锅炉防垢剂、七水硫酸锌、三聚磷酸钠、润滑添加剂、水溶性糊精、工业氯化铵、棉丝加重剂、油漆干燥剂、表面活性剂、半精炼石蜡、颜料着色剂、硇砂染色助剂
- 主营：贝壳粉、tcc三氯、滑石粉、中国淀粉醚、二甲苯、硬脂酸、消光粉、硫酸钡、立德粉、磷酸铝、除油粉、氧化铁、膨润土、磷酸锌、高岭土、粘合剂、铁黑粉、碳酸钙、钛白粉、白炭黑、再生胶、塑料橡胶、船舶油漆、油漆涂料、蜡防沉剂、氢氧化铝
- 主营：一藤羟丙基淀粉醚、异VC钠、中盐软水盐
- 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：L-半胱氨酸、L-苯丙氨酸、L-谷氨酸、羟丙基淀粉厂家、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：黄丹粉、柠檬酸、导热油、淀粉醚、漂白粉、707乳液、氧化铝、氯化钙、木质素、防腐剂、除锈剂、防锈剂、酒石酸、抗氧剂、松香工业、碳酸氢铵、醋酸铅、碳酸铅
- 主营：akd蜡粉、138树脂、黑松香、羟丙基淀粉醚、咪唑烷酮、合成材料、氢氧化镧、环氧树脂、无水乙醇、制造树脂、环烷酸铅、树脂色号、偏硼酸钙、十八烷酸、三十烷醇、古马隆树脂、聚醋酸乙烯酯、偏钒酸钠、氧化铈、氧化锆、酚醛树脂
- 主营：乙二醇、油酸丁酯、防腐涂料、橡胶制品改性剂、丙烯酸环氧、缩水甘油酯、金属防锈剂、工业清洗剂、石油磺酸钡、甲基吡咯烷酮、液体丁腈橡胶、戊二酸二甲酯、注浆堵漏泡花碱
- 主营：蛋白栋、DOP、玻璃粉、羟丙基淀粉醚货源、福美钠、黄糊精、硫酸钡、漂白粉、漂粉精、强氯精、优氯净、早强剂
- 主营：锚固剂、硫酸铝、硫酸铜、羟丙基淀粉醚粘合剂、切削液、氧化铜、溴化钠、大苏打、导热油、腐植酸、净洗剂、活性炭、水杨酸、硫酸锰、漂白粉、玻璃粉、茶皂素、丁酸钠、磷酸钙、甲酸钠、硬脂酸、消泡剂、酵母硒、磷酸铁、铵明矾、硫酸钡
- 主营：脱模剂、碘酸钾、磷酸镁、羟丙基淀粉醚正品货源、维生素c、维生素b1、维生素b6、维生素d3、二硫化钼、吡啶硫铜、香草香精、芥酸酰胺、乙基纤维素、次氯酸钙、九水硫化钠、EVA乳液、水玻璃、硅酸钠
- 主营：羟丙基淀粉醚粘合剂、福美钠
- 主营：优氯净、甘氨酸、切削液、羟丙基淀粉醚源头直销、二萘酚、桦焦油、甘露醇、水杨酸、硫酸锰、平平加、肌氨酸、磷酸氢、磷酸镁、牛磺酸、磷酸铁、铵明矾、蛋白胨、碳酸镁、磷酸铝、戊二醛、氯化锰、纤维素、黄糊精、硫化钠、硫化钡、木质素
- 主营：元明粉、丙酸钙、玻璃粉、羟丙基淀粉醚粘合剂、冰醋酸、液压油、浮选油、草酸铵、生石灰、硅酸钠、单宁酸、胶泥粉、降阻剂、冰晶石、二萘酚、促进剂、熟石灰、三甘醇、大豆蜡、泡花碱、铵明矾、石英砂、丙二醇、edta四钠、edta二钠、维生素b1
- 主营：无水乙醇、乙酸乙酯、磷酸、羟丙基淀粉醚、甲醇、乙二醇、二氯甲烷、异丙醇、二甲苯、各种化学试剂、化工原料
- 主营：封口蜡、水杨酸、正辛烷、羟丙基淀粉醚粘合剂、肉桂醇、珠光片、碳酸镁、肉桂醛、建筑料、磷酸铝、肉桂酸、戊二醛、切削液、叔丁醇、清洗剂、硫化钠、硫化钡、升硫醚、硫化钙、杀菌液、氯化锌、黄原胶、助染剂、椰子油、氯化锰、氧化锑