Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Addivant POYBOND 3049 Coupling Agent

Addivant POYBOND 3049 is a silane-based coupling agent from Addivant’s POYBOND series, designed to enhance adhesion between inorganic fillers and organic polymers in thermoplastics, composites, and coatings—improving mechanical strength, moisture resistance, and dispersion efficiency across demanding industrial applications.
  • addivant poybond 3049 coupling agent_35a06dde
  • addivant poybond 3049 coupling agent_35a06dde

Features Of Addivant POYBOND 3049 Coupling Agent

  1. High-efficiency silane-based coupling agent specifically engineered for polyolefin–mineral filler systems.

  2. Enhances interfacial adhesion between hydrophobic polymers (e.g., PP, PE) and hydrophilic inorganic fillers (e.g., talc, calcium carbonate).

  3. Improves mechanical properties including tensile strength, impact resistance, and flexural modulus in filled compounds.

  4. Offers excellent thermal stability up to 280 °C, supporting high-shear compounding and extrusion processes.

  5. Enables reduced filler agglomeration and improved dispersion uniformity without compromising melt flow behavior.

Typical Applications Of Addivant POYBOND 3049 Coupling Agent

  1. Automotive interior and exterior components requiring high-stiffness, lightweight PP/talc composites.

  2. Packaging films and containers utilizing filled polyethylene for enhanced barrier and rigidity performance.

  3. Household appliances with reinforced polypropylene housings and structural parts.

  4. Industrial injection-molded parts where dimensional stability and surface finish are critical.

Specifications Of Addivant POYBOND 3049 Coupling Agent

Chemical TypeAmino-functional silane
Product FormClear to pale yellow liquid
AppearanceHomogeneous, low-viscosity liquid
Primary ApplicationsPolyolefin–mineral filler composites (PP, PE + talc, CaCO₃, clay)
Key FeaturesHydrolysis-stabilized; non-corrosive; compatible with conventional processing aids
BenefitsImproved filler dispersion, enhanced mechanical properties, consistent batch-to-batch performance
Recommended Dosage0.3–1.5 wt% on filler basis
Storage ConditionsStore in original sealed container at 5–30 °C; protect from moisture and direct sunlight


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