Castor Oil Based Nylons (Bio-Polyamides)
Monomers Supplied by Nova Industries
Nova Industries supplies the essential chemical precursors—Sebacic Acid and Undecylenic Acid—that serve as the building blocks for the world’s most advanced “Green Polymers.”
Castor Oil is the only commercially available source of long-chain dicarboxylic acids and omega-amino acids required to produce Polyamide 11 (PA 11), Polyamide 6.10 (PA 6.10), and Polyamide 10.10 (PA 10.10). These bio-plastics bridge the gap between commodity thermoplastics and high-performance elastomers, offering superior chemical resistance and lower moisture absorption than petroleum-based Nylons.
1. The Chemistry: From Oil to Polymer
Nova Industries manufactures the two critical starting materials for the bio-nylon industry.
Route A: Nylon 11 (PA 11)
- Nova Precursor: Undecylenic Acid (C-11)
- Production Logic: Nylon 11 is a “Homopolymer” derived from a single monomer.
- Pyrolysis: Castor Oil is cracked to produce Undecylenic Acid.
- Bromination & Amination: Undecylenic acid reacts with HBr (Anti-Markovnikov addition) followed by Ammonia to form 11-Aminoundecanoic Acid.
- Polymerization: This amino acid polymerizes to form Nylon 11.
- Key Reaction:$$Undecylenic \ Acid \xrightarrow{HBr/Peroxide} \omega-Bromoundecanoic \ Acid \xrightarrow{NH_3} 11-Aminoundecanoic \ Acid \rightarrow Nylon \ 11$$
Route B: Nylon 6.10 & 10.10
- Nova Precursor: Sebacic Acid (C-10)
- Production Logic: These are copolymers made by reacting a diamine with a diacid.
- PA 6.10: Made by reacting Sebacic Acid (C-10) with Hexamethylene Diamine (C-6).
- PA 10.10: Made by reacting Sebacic Acid (C-10) with Decamethylene Diamine (C-10).
2. Global Benchmarks & Applications
The world’s leading polymer manufacturers rely on Castor-based chemistry to produce their flagship green grades.
| Polymer Grade | Precursor | Global Reference | Key Properties |
| PA 11 | Undecylenic Acid | Rilsan® (Arkema) | Low moisture absorption, high flexibility, fuel resistance. |
| PA 6.10 | Sebacic Acid | Ultramid® Balance (BASF) | High dimensional stability, lower density than PA 6. |
| PA 4.10 | Sebacic Acid | EcoPaXX™ (DSM) | Extremely high melting point (~250°C), zero carbon footprint. |
| PA 10.10 | Sebacic Acid | Zytel® RS (DuPont) | Excellent chemical resistance, high renewable content. |
3. Detailed Material Profiles
Nylon 11 (Polyamide 11)
Derived from 11-Aminoundecanoic Acid, Nylon 11 is the gold standard for engineering bio-plastics.
- Why it wins: Unlike Nylon 6 or 6.6, Nylon 11 absorbs very little humidity. This means its mechanical strength remains stable even in humid environments.
- Applications:
- Automotive: Fuel lines, air brake tubing (due to chemical resistance).
- Oil & Gas: Flexible offshore pipes (umbilicals) that must withstand high pressure and seawater.
- Sports: Ski boots and athletic shoe soles (Pebax® elastomers).
Nylon 6.10 (Polyamide 6.10)
Based on Sebacic Acid, this polymer contains ~60% renewable content.
- Why it wins: It serves as a drop-in sustainable replacement for Nylon 6. It offers better low-temperature impact resistance and a lower density, helping automotive manufacturers reduce vehicle weight and emissions.
- Applications: Radiator end tanks, battery housings, and bristles for toothbrushes.
Nylon 4.10 (Polyamide 4.10)
A high-performance grade based on Sebacic Acid and Tetramethylene Diamine.
- Why it wins: It combines a high melting point (~250°C) with high crystallization rates, making it suitable for fast-cycle injection molding in electronics.
4. Nova Industries Supply Chain
We do not manufacture the final polymer. We supply the Chemical Building Blocks to the resin manufacturers.
- For PA 11 Producers: We supply high-purity Undecylenic Acid & Methyl Undecylenate.
- For PA 6.10 / 10.10 Producers: We supply Sebacic Acid (Granular/Powder).
For Monomer Technical Specifications:
Nova Industries
Website: https://novaind.in/