Overview
Microencapsulated cooling additives are engineered particles that encapsulate cooling agents (e.g., menthol, PCMs) within polymer or lipid shells. These capsules release their active ingredients under specific triggers like friction, temperature, or moisture, providing prolonged cooling effects. Initially developed for high-performance sportswear, they now serve diverse industries, including healthcare for fever management and cosmetics for refreshing skincare formulations. Their micro-scale design (10-100 μm) ensures minimal impact on product texture while maximizing functionality.
Physical and Chemical Properties
The additives’ performance depends on their core-shell structure. Common shell materials include melamine-formaldehyde or polyurethane for durability, while cores may contain menthol derivatives or paraffin-based phase-change materials (PCMs) with latent heat capacities of 150-250 J/g. Thermal stability is critical; most commercial products withstand temperatures up to 80°C during textile dyeing or cosmetic processing. Particle size distribution (typically 20-50 μm) affects dispersion uniformity, with narrower ranges preferred for fine fabrics or lotions.
Main Applications
In textiles, these additives are embedded in fibers or coatings for athletic wear, bedding, and PPE to reduce heat stress. Brands like Nike and Under Armour use them in cooling-compression garments. The cosmetics industry applies them in sunscreens, aftershaves, and mascaras for a tingling sensation. Medical uses include post-surgery cooling bandages. Emerging applications include automotive seats and construction materials for passive thermal regulation.
Safety and Storage
Most microencapsulated cooling agents are classified as non-hazardous, but suppliers should provide SDS for specific formulations. Shell materials must comply with REACH and FDA standards for intended uses (e.g., skin contact). Storage requires protection from humidity and high temperatures to prevent premature capsule rupture. Bulk quantities are best kept in sealed containers with desiccants. Shelf life typically ranges 12-24 months under optimal conditions.
B2B Procurement Guide
Industrial buyers should prioritize suppliers with ISO 13485 or OEKO-TEX® certifications for quality assurance. Key specifications to request include: encapsulation yield (≥85%), payload capacity (10-30% active ingredient), and wash durability (≥20 cycles for textiles). Sample testing under real production conditions (e.g., extrusion temperatures) is recommended. MOQs for specialized formulations may start at 50 kg, with lead times of 4-8 weeks. Consider CIF pricing for international shipments to manage logistics costs.
Related Manufacturers
- 主营：抗氧剂、乳化剂、苯扎氯铵、助剂、烷基二甲基、氢化蓖麻油、表面活性剂、双链季胺盐、聚氧乙烯醚、二丁基羟基甲苯、甘油聚氧丙烯醚、十二烷基硫酸钠、树脂
- 主营：相变材料、PCM相变材料、有机相变材料、相变材料微胶囊、无机相变材料、复合相变材料、相变粉、相变乳液、相变蜡、相变整理剂、保温箱、高热焓值相变材料、高导热相变材料、电子散热相变材料、冰袋、冰排
- 主营：微胶囊、树脂
- 主营：无氟防水剂、织物防水剂、三防整理剂、凉感整理剂、碳六防水剂、特氟龙三防、银离子抗菌剂、杜邦三防、杜邦抗菌剂、吸湿排汗剂、抗紫外线剂、防蚊虫整理剂、织物抗菌剂、防水防油剂、C8防水剂、易去污剂
- 主营：艾草香、芦荟剂、质酸剂、微胶囊、阻燃剂、防螨剂、加工剂、防蚊剂、香奈儿、坚果油、防虫剂、抗菌剂、整理剂、除菌剂、免烫剂、冷感剂、百合花、防霉剂、防火剂、消臭剂、香味剂、抗螨剂、印花浆、防菌剂、抗紫外线