Overview
Cooling hydrogel is a cross-linked polymer network with high water content, designed to absorb and dissipate heat effectively. It leverages phase-change properties to provide sustained cooling, making it ideal for applications requiring temperature control. The material is often biocompatible, enabling use in medical and cosmetic products. Developed initially for wound care, cooling hydrogels now span industries from electronics (thermal management) to personal care (facial masks). Their versatility stems from tunable properties like viscosity, thermal conductivity, and adhesion strength.
Physical and Chemical Properties
Cooling hydrogels typically consist of 70-90% water trapped in a polymer matrix (e.g., polyacrylamide or polyethylene glycol). This structure grants high thermal conductivity (~0.5 W/m·K) and evaporative cooling effects. The gels are non-Newtonian fluids, exhibiting shear-thinning behavior for easy application. Key chemical properties include pH neutrality (6.5-7.5) and oxygen permeability, crucial for medical uses. Additives like aloe vera or menthol may enhance functionality. The material degrades slowly under UV exposure, requiring opaque packaging for long-term storage.
Main Applications
In healthcare, cooling hydrogels are used in burn dressings, fever patches, and physical therapy pads. Their ability to maintain 10-15°C below body temperature for hours aids pain relief. Cosmetic applications include under-eye masks and post-laser treatment gels, where cooling reduces inflammation. Industrially, they serve as thermal interface materials in electronics, preventing overheating in batteries and CPUs. Emerging uses include athletic wear liners and agriculture (soil moisture retention). Custom formulations may incorporate antimicrobial agents or conductive nanoparticles for specialized roles.
Safety and Storage
Most cooling hydrogels are non-irritating (ISO 10993-10 certified for skin contact). However, industrial-grade variants may contain cross-linking agents like MBA, requiring gloves during handling. Always check for allergen declarations (e.g., nickel in conductive gels). Storage at 4-25°C prevents premature dehydration or freezing. Bulk shipments should use sealed containers with desiccants. Shelf life ranges from 6 months (cosmetic) to 2 years (medical), contingent on sterilization methods like gamma irradiation.
B2B Procurement Guide
For medical procurement, prioritize FDA/CE-marked suppliers with ISO 13485 certification. Request batch-specific biocompatibility reports. Industrial buyers should verify thermal conductivity test data (ASTM D5470) and RoHS compliance for electronics. Pricing depends on volume (discounts >500 kg) and additives. Cosmetic-grade hydrogels cost $20-$50/kg, while medical-grade ranges $80-$100/kg. Sample testing is recommended to assess adhesion and cooling duration. MOQs commonly start at 100 kg for custom formulations.
Related Manufacturers
- 主营：保健食品、功能性食品贴牌、压片糖果、水凝胶、膏滋、骨病膏药、隔物灸、光子冷凝胶、鼻炎贴、运动营养食品、蒸汽眼罩、小儿感冒贴、膏药、小儿生长贴、黑膏药、穴位贴敷治疗贴、三伏贴、输液器、远红外理疗贴、穴位压刺激贴、茶包代工、磁疗贴、远红外治疗凝胶、保健贴、一次性注射器、暖宫贴
- 主营：穴位贴代加工、黑膏药代加工、老膏药代加工、水凝胶贴、三伏贴代加工、眼贴、小儿贴、膏药oem贴牌代工、退热贴代加工、透皮贴、膏药定制工厂、穴位压力刺激贴、医用冷敷贴、暖宫贴、冷敷凝胶、艾灸液、减肥贴代加工、艾灸贴、蜂蜜贴、蒸汽眼罩、肚脐贴、药泥贴、远红外理疗贴、胶原贴敷料、重组胶原蛋白敷料贴、透明质酸钠敷料
- 主营：水泥基、反辐射隔热、结晶防腐防水、水凝胶、渗透结晶防水
- 主营：OEM贴牌代加工、膏药定制、高分子耗材、水凝胶、注射器、输液器、采血针、留置针、胃管、防疫产品、体温计、眼罩、小儿贴、磁疗贴、穴位贴、筋骨凝胶、按摩精油、暖宫贴、热奄包、黑膏药、退热贴、三伏贴、乳腺贴、筋骨贴、蒸汽眼罩、远红外贴
- 主营：贴片机、贴制机、成型机、水凝胶设备、熬制机、涂制线、涂布机、膏药机、黑膏药机、膏药涂布机、膏药成型机、自动膏药机、硅凝胶设备、热熔胶涂布机、暖宝宝设备、熬膏机、辊切机、模切机、高分子夹板机、玻璃纤维绷带机
- 主营：盖尼克无回弹快硬喷浆、塑性封堵材料、普瑞特防灭火材料、复合胶体(高保水凝胶、煤氧抑制剂、新型阻封材料
- 主营：耳穴贴、耳鸣贴、失眠贴、降温贴、三九贴、隔物灸、拔罐器、穴位贴、护肝贴、透皮贴、三伏贴、足贴oem、拔罐液、风湿外用药酒、眼贴oem、械字号泥灸、空贴、防护服、通便贴、暖宫贴、结节贴、腰椎贴、颈椎贴、耳康贴
- 主营：矿用设备、铁路设备、防爆电器、水凝胶、仪器仪表、路面机械、工程机械、智能制造
- 主营：水凝胶、矿山支护设备、矿车
- 主营：防锈漆、防水涂料、防水隔热、水凝胶、保温隔热、桥梁防水、防腐涂料、隔音涂料、环氧树脂防腐材料、灰橡胶、空鼓胶、聚脲防水涂料、金属防锈漆、锈转化剂
- 主营：石墨、膨胀石墨、导电石墨粉、水凝胶、防静电墨粉、阻燃石墨粉、鳞片石墨粉、超细石墨粉、云母、云母片、茶色云母片、云母粉、电气石、电气石粉、电气石颗粒
- 主营：地板漆、流平剂、消泡剂、水凝胶、乳化剂、增稠剂、固化剂、白炭黑、固化树脂、聚酯树脂、水性颜料、抗静电剂、涂料助剂、二氧化硅、聚乙烯蜡、建筑涂料、丙烯酸树脂、水性润湿剂、润湿分散剂、丙烯酸乳液、特种分散剂、表面活性剂、经典润湿剂、聚氨酯树脂、纺织印染助剂、纳米级防沉剂
- 主营：桥面防水粘结剂、建筑保温隔热涂料、金属屋面翻新防锈漆、反射隔热降温涂料、隔音吸音涂料、污水池防腐涂料、钢结构防腐体系涂料、外墙丙烯酸防水涂料、管道设备保温气凝胶、硅橡胶装饰一体防水、环氧防腐漆、改性环氧树脂防腐
- 主营：水凝胶、防水防腐保温隔热涂料
- 主营：保温涂料、隔热涂料、防腐涂料、水凝胶、隔音涂料、防水涂料、桥面防水、无机硅声能凝胶、特种防锈漆、钢化漆、瓷砖空鼓修补胶
- 主营：防腐材料、保温材料、隔音减震涂料、水凝胶、防水材料、隔热材料、工业保温i涂料
- 主营：水凝胶、防水涂料、隔音涂料、保温隔热涂料
- 主营：膏药、关节活络油、艾灸液、水凝胶、痔疮凝胶、冷敷凝胶、鼻炎凝胶、透骨液、导光凝胶、二类凝胶、小儿贴、脐疗精油、磁疗贴、膏药加工、膏药贴牌、远红外理疗贴、暖宫贴、减肥贴、医疗器械耗材、代工、眼贴、热敷贴、抑菌膏、医用面膜、高分子耗材、妇科凝胶
- 主营：有机膨润土、水性膨润土、司拉氯铵水辉石、水凝胶、二硬脂二甲铵锂蒙脱石、电缆料成炭剂、油田钻井有机土、聚酰胺蜡、多彩保护胶、无机凝胶、润滑脂膨润土、化妆品助剂、BS-1C、BP-186、BP-183、SMY-LT、JF-38、防沉助剂、HFGEL-120、HFGEL-140、S482、纳米蒙脱土、BP-188B、日化流变剂、化妆品增稠剂、抗滴落
- 主营：气凝胶毡、气凝胶粉末、防火包裹、水凝胶、泡沫玻璃板、硅酸铝针刺毯、玻璃棉管、玻璃棉板、岩棉板、岩棉管、玻璃棉卷毡、岩棉复合板、玻镁板防火板
- 主营：农林保水剂、吸水树脂、聚丙烯酸钠、水凝胶、聚丙烯酰胺、抑尘剂、制香胶粉、彩色吸水树脂、边坡绿化保水剂、边坡绿化粘合剂、羟丙基甲基纤维素、羟丙基瓜尔胶、腻子粉润滑剂、絮凝剂
- 主营：二氧化硅、乳化剂、消泡剂、水凝胶、分散剂、润湿剂、增稠剂、树脂、抗氧剂、杀菌防腐防霉剂、uv单体
- 主营：甘氨酸、水苏糖、除涩剂、水凝胶、红曲黄、儿茶素、米糠素、甘露醇、硫酸锰、他拉胶、一水物、酪蛋白、磷酸氢、鱼油粉、牛磺酸、褪黑素、碳酸镁、赖氨酸、纤维素、刹口剂、卡拉胶、泡多源、柚苷酶、乳糖酶、脯氨酸、筋力源