安踏申请高湿环境耐久性生物基PUR热熔胶专利

Core Viewpoint - Anta (China) Co., Ltd. has applied for a patent for a durable bio-based PUR hot melt adhesive suitable for high humidity environments, indicating a focus on environmentally friendly materials and innovative adhesive solutions [1] Group 1: Patent Details - The patent, titled "A Durable Bio-based PUR Hot Melt Adhesive Suitable for High Humidity Environments and Its Preparation Method," was published under CN121249302A with an application date of November 2025 [1] - The preparation method involves heating and reacting components such as polycarboxylic acid, bio-based diols, polyester triols, and siloxane-modified polyether polyols to obtain a prepolymer [1] Group 2: Technical Advantages - The invention utilizes bio-based components with excellent hydrolysis resistance to synthesize the PUR prepolymer, ensuring strong adhesion in high humidity environments while maintaining eco-friendly characteristics [1] - The combination of siloxane-modified polyether polyols provides hydrophobic protection, while the weak acid microenvironment created by polycarboxylic acid inhibits hydrolysis, enhancing the hydrolytic stability of the adhesive [1] Group 3: Application Value - The developed adhesive offers improved durability and application value in high humidity conditions, providing a viable solution for green bonding of materials in such environments [1]