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

Evonik Vestamin IPD Chain Extender

Evonik Vestamin IPD Chain Extender is a high-purity aliphatic diamine used as a reactive chain extender in polyurethane and polyurea systems. It delivers excellent hydrolytic stability, low color formation, and fast reactivity—ideal for coatings, adhesives, and elastomers requiring superior weather resistance and mechanical performance.
  • evonik vestamin ipd chain extender_a0d80069
  • evonik vestamin ipd chain extender_a0d80069

Features Of Evonik Vestamin IPD Chain Extender

  1. High reactivity with isocyanates enables rapid chain extension and efficient polymer network formation.

  2. Excellent compatibility with aromatic and aliphatic polyisocyanate systems, supporting broad formulation flexibility.

  3. Contributes to enhanced thermal stability and mechanical performance in final polyurethane elastomers and coatings.

  4. Low volatility and favorable handling characteristics support safe industrial processing and reduced VOC emissions.

  5. Consistent batch-to-batch quality ensured by Evonik’s stringent GMP-compliant manufacturing standards.

Typical Applications Of Evonik Vestamin IPD Chain Extender

  1. High-performance thermoplastic polyurethane (TPU) for automotive and industrial components.

  2. Reaction injection molding (RIM) and cast elastomer systems requiring fast demold times and high resilience.

  3. High-solids and solvent-free polyurethane coatings for flooring, marine, and protective applications.

  4. Microcellular polyurethane foams demanding dimensional stability and compression set resistance.

  5. Adhesives and sealants requiring elevated heat resistance and cohesive strength.

Specifications Of Evonik Vestamin IPD Chain Extender

Chemical TypeIsophoronediamine (IPDA)-based aliphatic diamine chain extender
Product FormLiquid
AppearanceClear, pale yellow liquid
Primary ApplicationsPolyurethane elastomers, coatings, adhesives, sealants, and RIM systems
Key FeaturesAliphatic structure, low color, high functionality, excellent hydrolytic stability
BenefitsImproved UV resistance, reduced yellowing, enhanced mechanical properties, processing efficiency
Storage ConditionsStore under dry nitrogen; protect from moisture and ambient light at 15–25 °C
Handling PrecautionsUse in well-ventilated areas; wear chemical-resistant gloves and eye protection


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