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

BASF Joncryl ADR 3300 Chain Extender

BASF Joncryl ADR 3300 is a reactive epoxy-functional chain extender for polyurethanes and polyesters, enhancing melt viscosity, molecular weight, and mechanical properties without volatile byproducts. It enables efficient solid-state polymerization and improves recyclability in thermoplastic elastomers and engineering plastics.
  • basf joncryl adr 3300 chain extender_704401f8
  • basf joncryl adr 3300 chain extender_704401f8

Features Of BASF Joncryl ADR 3300 Chain Extender

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

  2. Enables precise molecular weight control without significant gelation risk.

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

  4. Compatible with standard extrusion and compounding equipment; no special handling required.

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

Typical Applications Of BASF Joncryl ADR 3300 Chain Extender

  1. Chain extension of recycled PET and PBT in engineering thermoplastics.

  2. Viscosity enhancement in waterborne polyester dispersions for coatings.

  3. Molecular weight adjustment in reactive hot-melt adhesives.

  4. Performance upgrading of bio-based polyesters for durable packaging films.

Specifications Of BASF Joncryl ADR 3300 Chain Extender

Chemical TypeEpoxy-functional oligomer (multi-epoxy)
Product FormPale yellow to amber solid pellets
AppearanceFree-flowing granules, homogeneous color
Primary ApplicationsChain extension, branching, and crosslinking of polyesters, polyacrylates, and polyurethanes
Key FeaturesThermally stable, low odor, non-volatile
BenefitsEnhanced melt strength, improved tensile properties, reduced degradation during reprocessing
Storage ConditionsStore in original sealed container at 5–25 °C, protect from moisture
Handling PrecautionsUse in well-ventilated areas; avoid inhalation of dust


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