Overview
Halogen-free activators are specialized chemicals designed to replace traditional halogen-based curing agents in polymer industries. They facilitate cross-linking reactions in rubber and plastics without emitting toxic halogens, aligning with global sustainability trends. These activators are increasingly adopted due to stricter environmental regulations like REACH and ROHS. Manufacturers prioritize them for producing eco-friendly automotive parts, cables, and medical devices where halogen emissions could pose health risks.
Physical and Chemical Properties
Typically appearing as powders or granules, halogen-free activators exhibit moderate thermal stability with melting points between 150-200°C. Their density ranges from 1.2-1.5 g/cm³, ensuring easy blending with polymer matrices. Chemically, they contain zinc-free and heavy-metal-free formulations, often based on organic complexes. Unlike halogenated counterparts, they show reduced corrosivity during processing and lower VOC emissions, enhancing workplace safety.
Main Applications
Primary use cases include rubber vulcanization for tires, hoses, and seals, where they improve heat resistance and mechanical properties. In plastics, they serve as co-agents for peroxide curing of polyethylene and EVA foams. The electronics industry utilizes them for insulating materials in wires and cables. Their non-corrosive nature makes them ideal for medical-grade silicone products requiring biocompatibility and low extractables.
Safety and Storage
While less hazardous than halogenated alternatives, these activators still require proper handling. Use nitrile gloves and safety goggles to prevent skin/eye irritation. Ensure adequate ventilation in processing areas. Store in original sealed containers at temperatures below 30°C. Shelf life typically exceeds 24 months when protected from humidity. In case of spillage, collect with inert absorbents and dispose following local chemical waste regulations.
B2B Procurement Guide
When sourcing, verify the activator's compatibility with your base polymer through small-scale trials. Key procurement criteria include activation efficiency (measured by cure rate), ash content (<1% preferred), and environmental certifications. Request batch-wise Certificates of Analysis (CoA) for consistency. For large orders (5+ tons), negotiate bulk discounts while ensuring the supplier maintains proper inventory rotation to deliver fresh stock. Preferred packaging includes 25kg moisture-proof bags with inner liners.
Related Manufacturers
- 主营：[]
- 主营：叔碳酸、十八醛、溶菌酶、表面活性剂、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、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：合成树脂、固化剂、不饱和树脂、无卤活性稀释剂、环氧树脂、聚酯多元醇、酚醛树脂、医药中间体
- 主营：乙酸镁、阻燃剂、热熔胶、活性剂、聚合物、锂电池、光电极、泡泡糖、氯丁胶、碳酸镉、新癸酸、补差价、稀释剂、羟乙基、氧化铝、氧化铜、甲酸钾、c/c材料、碳酸锰、玻璃粉、硬光油、防腐剂、氧化铋、防水剂、聚丙烯、增粘树
- 主营：无卤活性剂ST、树脂
- 主营：无卤活性剂FR、二乙二醇甲乙醚
- 主营：助焊剂用活性剂、全氟三丁胺、硅树脂、医药中间体
- 主营：甘氨酸、阻燃剂、硫酸锰、无卤活性剂、十八酸、3188-00-9、碳酸镧、磷酸铁、丙酸铵、特戊醛、赖氨酸、增塑剂、咖啡酸、葡糖苷、蛋白粉、氨酰胺、酸性红、羟乙基、脂肪酶、7327-87-9、甲酸钙、58#石蜡、防腐剂、防水剂、聚丙烯、度米芬
- 主营：磺酰胺、氧化铌、除醛剂、硅化镱、基硅油、成核剂、酞菁钴、甘氨酸铬、光学树脂、鼠李糖脂、甲磺酸铋、氧化亚铁、封端硅油、左旋乳酸)、六水氯化钇、己基磺酸盐、恩诺沙星钠、二聚季戊四醇、聚醚硫酸酯钠、恶唑啉交联剂、洗手凝胶增稠剂、生物活性玻璃粉、氰基丙烯酸乙酯、脱硫脱氢催化剂
- 主营：碳酸钙、乳胶漆填料、电线电缆塑料、塑料树脂橡胶、功能性无机填料
- 主营：发热板、甘氨酸、阻燃剂、K3无卤活性稀释剂、深铬黄、胶黏剂、十八酸、正癸酸、羊脂酸、锂电池、光电极、消泡剂、丙酸铵、珠光片、油墨涂、赖氨酸、消光剂、水镁石、稀释剂、酸性红、羟乙基、梧桐胶、黄蜂蜡、abs树脂、铝钙石、脂肪酶
- 主营：各种表面活性剂、化妆品原料、纺织用化学原料
- 主营：三异氰酸酯
- 主营：粘接胶、阻燃剂、胶黏剂、热熔胶、聚橡胶、共聚物、防滴剂、抗菌剂、粘结胶、磺酸盐、粘接剂、清洗剂、曹达a-1、汽车胶、灌封胶、钛酸酯、环氧树、杀菌剂、减震垫、蜡乳液、催化剂、钼酸锌、洗发水、增效剂、变压器
- 主营：无卤助焊剂、无溶剂、绝缘漆、环保无味
- 主营：穩泡剂、洁模剂、乳化剂、防沉剂、固化剂、除固剂、tpr树脂、消臭剂、聚丙烯、pua树脂、疏水剂、dow醇醚、热锈宝、脱模剂、粘着剂、膨润土、清洗剂、eva乳液、脱泡剂、聚氨酯、防锈剂、弹性剂、催干剂、乳化型fc、抗静电剂