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

BASF Joncryl ADR 4468 Chain Extender

BASF Joncryl ADR 4468 is a reactive epoxy-functional chain extender for polyurethane and acrylic dispersions, enhancing molecular weight, viscosity control, and film integrity without VOCs. Ideal for high-performance waterborne coatings and adhesives requiring robust mechanical properties and storage stability.
  • basf joncryl adr 4468 chain extender_8a2a5e83
  • basf joncryl adr 4468 chain extender_8a2a5e83

Features Of BASF Joncryl ADR 4468 Chain Extender

  1. Highly efficient epoxy-functional chain extender for polyesters and polyacrylates.

  2. Enables significant molecular weight build-up with minimal gelation risk.

  3. Improves melt viscosity, mechanical strength, and thermal stability of reactive polymers.

  4. Compatible with conventional processing equipment and standard extrusion or compounding conditions.

  5. Low volatility and excellent thermal stability up to 220 °C during processing.

Typical Applications Of BASF Joncryl ADR 4468 Chain Extender

  1. Recycled PET (rPET) valorization and performance enhancement in fiber and packaging applications.

  2. Chain extension of bio-based polyesters (e.g., PLA, PBS) for improved thermo-mechanical properties.

  3. Modification of reactive hot-melt adhesives to boost cohesive strength and heat resistance.

  4. Stabilization and rheology control of polymer blends containing polar thermoplastics.

Specifications Of BASF Joncryl ADR 4468 Chain Extender

Chemical TypeEpoxy-functional oligomer
Product FormPale yellow to light amber granules
AppearanceFree-flowing, non-dusting granules
Primary ApplicationsPolyester and polyacrylate chain extension, rPET upgrading, reactive compounding
Key FeaturesEpoxy functionality, low color, high thermal stability
BenefitsEnhanced melt strength, improved tensile properties, reduced degradation during recycling
Storage ConditionsStore in original sealed container at 15–25 °C, protect from moisture
Shelf Life24 months from date of manufacture under recommended storage conditions


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