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

Solvay Rhodiacid Dioro PI Aliphatic Diacid Mixture

Solvay Rhodiacid Dioro PI is a high-purity aliphatic diacid mixture from Solvay’s Rhodiacid® portfolio, designed for polyamide and polyester synthesis. It offers consistent molecular weight distribution, excellent thermal stability, and low color formation—ideal for engineering plastics and high-performance coatings. The PI grade ensures superior processability and end-product clarity versus conventional diacids.
  • solvay rhodiacid dioro pi aliphatic diacid mixture_bac2c304
  • solvay rhodiacid dioro pi aliphatic diacid mixture_bac2c304

Features Of Solvay Rhodiacid Dioro PI Aliphatic Diacid Mixture

  1. Balanced aliphatic diacid composition for optimized reactivity and flexibility in polymer synthesis.

  2. Low color and high purity, supporting production of light-colored, high-clarity polyesters and polyamides.

  3. Consistent batch-to-batch performance due to Solvay’s controlled manufacturing process.

  4. Improved hydrolytic stability compared to conventional short-chain diacids, enhancing resin shelf life.

  5. Designed for compatibility with common polyol and amine monomers in condensation polymerization systems.

Typical Applications Of Solvay Rhodiacid Dioro PI Aliphatic Diacid Mixture

  1. High-performance polyester resins for industrial coatings and coil coatings.

  2. Co-monomer in engineering-grade polyamide (PA) blends for automotive under-hood components.

  3. Modifier in bio-based thermoplastic elastomers requiring tailored crystallinity and toughness.

  4. Building block for sustainable polyurethane dispersions (PUDs) used in textile and leather finishing.

  5. Raw material in specialty alkyd resins for low-VOC architectural and maintenance coatings.

Specifications Of Solvay Rhodiacid Dioro PI Aliphatic Diacid Mixture

Chemical TypeMixed linear aliphatic diacids (primarily C6–C10)
Product FormFree-flowing white to off-white crystalline solid
AppearanceCrystalline granules or powder
Acid Value (mg KOH/g)480–520
Color (APHA)≤ 50
Moisture Content (wt%)≤ 0.2
Primary ApplicationsPolyester resins, polyamide copolymers, alkyds, PUDs
Key FeaturesLow volatility, non-corrosive handling, REACH-compliant


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