How to solve the problems of uneven filler dispersion, poor water and corrosion resistance of coatings and insufficient mechanical stability of finished products?

In the fields of coatings, adhesives, composite materials and plastic modification, weak interfacial bonding between inorganic substrates and organic resins, uneven filler dispersion, inferior water and corrosion resistance of coatings and insufficient mechanical stability of finished products have long been key bottlenecks restricting product quality improvement. Qingdao Yihoo Polymer Technology Co., Ltd. launches H3399 LM multifunctional stabilizer. As China’s first multi-purpose additive combining hindered amine and organosilicon properties, it features a unique amino-functional organosilane structure that overcomes the single-function limitation of conventional coupling agents. Delivering multiple benefits including interface modification, improved adhesion, optimized filler dispersion and weathering protection, it supplies premium solutions for high-performance material upgrading across the whole industry.

H3399 LM features a unique bifunctional molecular structure (CAS No.182635-99-0) with two types of active functional groups. Its alkoxy groups readily chemically react with inorganic materials such as glass, metals, ceramics and mineral fillers to anchor firmly onto substrate surfaces, while amino groups are well compatible with mainstream organic resins including epoxy, polyurethane and acrylic via bonding reactions. It forms high-strength molecular bridges between inorganic substrates and organic resins, fundamentally eliminating common industrial issues like interface delamination, adhesion failure and property deterioration.

Compared with conventional coupling agents, H3399 LM boasts outstanding comprehensive performance and greatly enhanced practicability and compatibility. It is a pale yellow to yellow transparent liquid with solid content ≥95.00%, featuring high purity, low impurities and stable performance. Its refractive index is controlled at 1.4150±0.0050 at 25℃, and its viscosity range fits diverse manufacturing processes with excellent batch-to-batch consistency. In terms of core performance, it remarkably improves the adhesion of coatings and adhesives to various inorganic substrates, comprehensively upgrades the water resistance, corrosion resistance and damp-heat aging resistance of coatings to extend product service life significantly. Meanwhile, it homogenizes the dispersion of inorganic fillers in polymer systems, reduces overall system viscosity, improves fluidity, simplifies processing procedures and raises production efficiency. Moreover, it strengthens interfacial bonding of composites to boost tensile, impact and other mechanical properties, stabilize the whole interface and prevent cracking, delamination and failure during long-term service.

Benefiting from its all-round advantages, H3399 LM is applicable to industrial applications across four core sectors: coatings & adhesives, composite materials, plastic & rubber modification, and substrate pretreatment. For coatings and adhesives based on epoxy, polyurethane and acrylic resins, it works as a high-efficiency adhesion promoter to improve bonding strength and durability on glass, metal and ceramic substrates. In composite production for glass fiber/mineral filled plastics and rubbers, it optimizes interfacial combination and mechanical properties. For plastic and rubber modification, it serves as premium surface treatment agent to eliminate filler agglomeration and stabilize product quality. It is also available for pre-treatment of metal and glass substrates to strengthen adhesion and protective performance of subsequent coatings.

For storage and handling, H3399 LM complies with standard chemical operation specifications. It can be stably stored under dry ambient temperature conditions and is packed in standard 25kg plastic drums for convenient transportation and cost efficiency. Featuring multi-purpose functionality, stable performance, wide compatibility and improved cost-effectiveness, H3399 LM overcomes the functional limitations of conventional additives. It stands as a preferred multifunctional stabilizer for quality upgrading in coatings, adhesives, rubber & plastic and composite industries, helping manufacturers cut costs and develop high-end high-performance products.

Want to know more? Please contactus at: yihoo@yihoopolymer.com. Besides the aforementioned high-performance nylon materials, we also offer various chemicalproducts such as light stabilizers, UVabsorbers, antioxidants, WPC-specific additives, nucleating agents, anti-static agents, matte polyurethane dispersions, etc. Welook forward to your inquiries!