BTCE-9013 | Epoxy Chain Extender | For Biodegradable & Recycled Plastics | China Manufacturer
EPOXIDE EQUIVALENT
280–310
g/mol; batch COA confirms
TARGET RESINS
PBAT / PET
PLA, PBS, PPC, PHA, PA, PBT, PC
DOSAGE
0.2–1.5 phr
Depends on resin type and acid value
FOOD CONTACT
Compliant
Within recommended dosage
APPLICATION QUICK LINKS
Jump to formulation data:
Product Overview
BTCE-9013 is a multi-epoxy functional polymer. Its epoxy groups react with the carboxyl, hydroxyl, and amino chain ends left behind when a polyester or polyamide is processed, recycled, or aged, reconnecting broken polymer chains during melt processing.
Extending those chains back raises intrinsic viscosity, improves tensile strength and impact resistance, and slows hydrolysis in the next processing cycle. Recommended dosage is 0.2–0.8 phr for bio-based and biodegradable polyesters, and 0.2–1.5 phr for recycled condensation polymers.
BTCE-9013 is added by melt blending with the resin in a twin-screw or single-screw extruder. Low epoxy ring-opening temperature keeps the reaction under control during compounding. The product is suitable for food contact materials within the recommended dosage. Alfa Chemical, based in Zhengzhou, China, supplies this product with batch-specific COA and SDS.
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BTCE-9013 epoxy chain extender. White powder or pellets, suitable for extrusion blending.
Key Features
BTCE-9013 works at the chain-end level. Every molecule carries several epoxy groups, so one molecule can bridge multiple broken chains during a single extrusion pass. The six properties below are the ones to confirm before running a compounding trial.
Multi-Epoxy Functionality
Several epoxy groups per molecule; bridges multiple chain ends in one pass.
Low Ring-Opening Temperature
Reacts within normal processing windows without scorching or premature gelation.
Raises Intrinsic Viscosity
Rebuilds molecular weight in recycled and bio-based plastics, restoring melt strength.
Stable Feed, No Sticking
Free-flowing powder or pellets; does not stick to the feed throat during compounding.
Inhibits Hydrolysis
Caps reactive chain ends that drive hydrolysis in polyesters and polyamides.
Food Contact Compliant
Suitable for food contact materials within the recommended dosage.
Applications
BTCE-9013 is split into two resin groups with different dosage ranges. Bio-based and biodegradable polyesters need less; recycled condensation polymers need more because their acid value is usually higher. Each entry below lists the typical range. Contact us for trial guidance.
Biodegradable Plastics
For PBAT, PLA, PBS, PPC, PHA, and other bio-based polyesters. Rebuilds molecular weight lost during processing and improves film and molded part performance.
Dosage: 0.2–0.8 phr | Extrusion blending | Film, sheet, molded parts
Request formulation data →Recycled Engineering Plastics
For recycled PA, PBT, PC, and PET. Restores intrinsic viscosity reduced by hydrolysis and thermo-mechanical degradation during recycling.
Dosage: 0.2–1.5 phr | Melt blending | Injection, extrusion
Ask about recycled plastics grades →Food Contact Materials
Suitable for use in food contact materials when added within the recommended dosage range. Confirm final article compliance with your local regulatory requirements.
Food contact compliant | Within recommended dosage | Compliance docs on request
Request compliance documents →Hydrolysis Inhibition
Caps carboxyl and hydroxyl chain ends that catalyze hydrolysis in polyesters and polyamides. Extends the usable life of recycled and bio-based resin through multiple processing cycles.
Multiple processing cycles | Polyester and polyamide | Reduced chain scission
Request a sample →Product Specifications
All values below are typical and confirmed by batch-specific COA. Request the latest COA.
| Item | Specification |
|---|---|
| Product Name | Chain Extender BTCE-9013 |
| Chemical Type | Multi-epoxy functional polymer |
| Appearance | White powder or pellets |
| Epoxide Equivalent | 280–310 g/mol |
| Dosage (Bio-based / Biodegradable) | 0.2–0.8 phr for PBAT, PLA, PBS, PPC, PHA |
| Dosage (Recycled Condensation Polymers) | 0.2–1.5 phr for PA, PBT, PC, PET |
| Processing | Melt blending in twin-screw or single-screw extruder |
| Food Contact | Compliant within recommended dosage |
| Packaging | 1kg / 20kg foil-lined bags; custom packaging on request |
| Shelf Life | 24 months in sealed original container at room temperature |
| Documents | COA, SDS |
Quality Control
Each production batch is tested for appearance and epoxide equivalent before release. The COA matches the lot number on the label, so the data you see is the data for your shipment. We are based in Zhengzhou, China. If your process needs additional tests, we can arrange them through third-party labs. Contact us.
Quality Control for Every Batch
Quality control tests performed on every batch at our Zhengzhou facility.
Packaging & Shipping
Samples ship in glass vials or foil bags. Bulk quantities come in 1kg and 20kg foil-lined bags. Custom packaging is available on request for larger volumes.
Delivery time is 3–7 business days after payment confirmation for stock items. BTCE-9013 is a non-hazardous material. COA and SDS are provided with every shipment. For special packaging or urgent requests, contact us directly.
COURIER
Sample Quantities
International express for lab-scale samples and small trial orders.
AIR FREIGHT
Urgent Bulk Orders
Faster delivery for time-sensitive production or mid-volume quantities.
SEA FREIGHT
Large Volume Orders
Cost-effective shipping for bulk containers and long-lead replenishment.
Why Choose Alfa Chemical
A chain extender only does its job when the dosage is matched to the acid value of your resin. Alfa Chemical supplies BTCE-9013 from stock, with batch-specific COA and technical support that helps you dial in the right loading before you scale. Five practical points below.
Free Samples on Request
Request a sample to run a bench or pilot compounding trial before committing to bulk.
Batch-Specific COA & SDS
Epoxide equivalent data matched to the lot number on the bag, ready for your QC records.
Dosage Guidance by Resin
0.2–0.8 phr for PBAT, PLA, PBS, PPC, PHA; 0.2–1.5 phr for PA, PBT, PC, PET. Share your acid value and we can suggest a starting point.
Food Contact Documentation
Suitable for food contact materials within the recommended dosage. Compliance documents available on request.
Stable Supply from Zhengzhou
Stock items ship within 3–7 days. Bulk quantities and custom packaging on request.
Frequently Asked Questions
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Q1. How do I set the dosage for my resin? Dosage depends on the acid value of your resin. Start with 0.2–0.8 phr for bio-based polyesters and 0.2–1.5 phr for recycled PA, PBT, PC, and PET. Share your resin's acid value and processing conditions and we can suggest a starting formulation. |
Q2. Which resins is BTCE-9013 suitable for? Two groups. Bio-based and biodegradable polyesters: PBAT, PLA, PBS, PPC, PHA. Condensation polymerization plastics: recycled PA, PBT, PC, PET. It is not intended for polyolefins or PVC. |
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Q3. Does BTCE-9013 cause gelation? At recommended dosage (0.2–1.5 phr), the reaction extends chains without forming a crosslinked network. Low ring-opening temperature also helps keep the reaction under control. Overdosing can raise viscosity or cause gel formation. Start at the low end and increase gradually. |
Q4. How is BTCE-9013 added to the resin? By melt blending in a twin-screw or single-screw extruder. It feeds as a free-flowing powder or pellet and does not stick to the feed throat. No solvent is required. |
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Q5. What is the MOQ and price structure? Free samples are available on request. Bulk MOQ and price tiers depend on quantity and destination. Contact us with your target quantity for a quote. |
Q6. Is BTCE-9013 suitable for food contact materials? Yes, within the recommended dosage. Final article compliance depends on your local regulatory requirements. We can provide compliance documentation on request. |
Need Chain Extender BTCE-9013?
Tell us your resin and target performance. We reply within 12 hours.
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About Alfa Chemical: Based in Zhengzhou, China, Alfa Chemical supplies fine chemicals, biochemicals, and specialty intermediates to research and industrial customers worldwide.
Disclaimer: This product is intended for industrial use only. All specifications are typical values and should be confirmed against the batch-specific Certificate of Analysis before use. Final performance depends on the user's specific resin system, dosage, and processing conditions. Food contact suitability must be confirmed against local regulatory requirements.
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