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

BASF Joncryl ADR 4368C Chain Extender

BASF Joncryl ADR 4368C is a multifunctional epoxy-functional chain extender designed for waterborne acrylic and polyester dispersions. It enhances molecular weight, improves film hardness, chemical resistance, and mechanical properties without VOCs. Ideal for high-performance coatings, inks, and adhesives requiring low-viscosity processing and excellent shelf stability.
  • basf joncryl adr 4368c chain extender_c3b020c4
  • basf joncryl adr 4368c chain extender_c3b020c4

Features Of BASF Joncryl ADR 4368C Chain Extender

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

  2. Enables precise molecular weight control and improved melt strength in reactive extrusion processes.

  3. Offers excellent thermal stability with minimal volatiles generation during processing.

  4. Compatible with a broad range of thermoplastic polymers, including recycled PET and bio-based polyesters.

  5. Supports low-temperature reactivity, facilitating energy-efficient compounding and recycling operations.

Typical Applications Of BASF Joncryl ADR 4368C Chain Extender

  1. Enhancement of recycled PET (rPET) for food-contact packaging films and bottles.

  2. Stabilization and rheology modification of engineering thermoplastics in automotive components.

  3. Performance improvement of biodegradable polyesters (e.g., PBAT, PCL) in flexible packaging.

  4. Chain extension of waterborne acrylic dispersions for high-performance industrial coatings.

Specifications Of BASF Joncryl ADR 4368C Chain Extender

Chemical TypeEpoxy-functional multi-arm polymer
Product FormPowder
AppearanceFree-flowing white to off-white granular powder
Primary ApplicationsChain extension, branching, and crosslinking of polyesters, polyacrylates, and polyurethanes
Key FeaturesReactive functionality: ≥3 epoxy groups per molecule; low dust generation
BenefitsImproved melt viscosity, enhanced mechanical properties, compatibility with high-shear extrusion
Storage ConditionsStore in original sealed container at 15–25 °C; protect from moisture
Handling PrecautionsUse in well-ventilated areas; avoid inhalation of dust and contact with eyes/skin


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