IBond Anhydride-Grafted Compatibilizers

Advance your polymer formulation with next-generation reactive compatibilizers, engineered to optimize interfacial adhesion, color consistency, and processability.

High Grafting Rate

Ensures robust chemical bonding and optimal interfacial compatibility across polymer alloys.

High Whiteness

Minimizes yellowing and degradation, allowing excellent aesthetic color-matching in virgin or recycled compounds.

Low Processing Odor

Significantly reduces volatile organic emissions during extrusion and compounding processes.

What Are IBond Grafted Compatibilizers?

The IBond Series represents an advanced class of anhydride-grafted polymer compatibilizers designed to replace standard maleic anhydride-grafted (g-MAH) additives. By employing a proprietary grafting technology, these functionalized polymers bridge the thermodynamic incompatibility between polar fillers (such as glass fibers, talc, mica, or wood flour) and nonpolar polymer matrices (such as polypropylene, polyethylene, and polyolefins).

These reactive compatibilizers are widely utilized in plastics alloys, composite filler coupling, metal-bonding structural materials, high-performance wire and cables, and tough, impact-modified applications.

Product Grades & Specification Data

Explore our targeted product range of PP, PE, and POE-based anhydride-grafted copolymers. Melt Index evaluations are tested at $190^{\circ}\text{C} / 2.16\text{ kg}$. Grafting rate performance is meticulously measured via acid-base titration.

Grade	Melt Index ($g/10\text{ min}$)	Grafting Rate (%)	Appearance / Key Features	Base Resin	Typical Applications	Recommended Addition
IBond 0613	15 – 40	1.0 – 1.2	White pellets	PP-H	Interface modifier for glass fiber, talc, mica, or halogen-free flame retardant filled PP; compatibilizer for PP/PA alloys.	3% – 10%
IBond 0623	140 – 200	1.0 – 1.2	White pellets (High MI)	PP-H	Excellent for high-flow glass fiber PP composites, mineral fillers, and structural PP/PA alloys.	3% – 10%
IBond 0613H	20 – 40	2.0 – 2.2	White pellets (High Grafting)	PP-H	High graft density for advanced interfacial modification at lower dosage rates.	2% – 6%
IBond 0633	10 – 30	1.0 – 1.2	Semi-transparent pellets	PP-B	Ideal for wood-plastic/agro-plastic composites, filled impact block copolymers, and PP/PA blends.	3% – 10%
IBond 0913	0.5 – 2	1.0 – 1.2	Light yellow pellets	HDPE	Interface modifier for HDPE composite systems (minerals, wood flour); PA/PE and PE/PP blends; structural hot melts.	3% – 10%
IBond 0920	10 – 20	0.8 – 1.0	Milky-white pellets	LLDPE	Low-smoke halogen-free (LSHF) flame-retardant cable compounds; mineral filled systems; industrial hot melts.	3% – 10%
IBond 0920L	10 – 20	0.4 – 0.5	Milky-white pellets	LLDPE	Cable compounds, wire sheathings, and mineral-filled systems.	3% – 10%
IBond 0326	0.5 – 2	0.8 – 1.0	White pellets	POE	Excellent nylon toughener and impact modifier (PA6, PA66); premium compatibilizer for nylon/PP/PE alloys.	5% – 15%

Case Study: Mechanical Performance Optimization

Comparative mechanical performance of a Polypropylene + 26% Glass Fiber system using Taishan Glass Fiber E240-T738 in a PP Grade PPT03 formulation. Adding just 4% of IBond 0623 optimizes critical strength and rigidity profiles over standard market alternatives:

Tensile Strength (MPa)

37.5

67.8

IBond matches industry-best tensile limits with vastly improved odor profiles.

Flexural Strength (MPa)

45.3

73.1

77.9

IBond 0623 exhibits superior 77.9 MPa flexural response (up to 6.5% increase).

Flexural Modulus (MPa)

3019

3330

3645

Outstanding rigidity enhancement, increasing flexural modulus to 3645.1 MPa.

Notched Izod Impact Toughness: The addition of IBond 0623 raises impact performance to $10.9\text{ kJ/m}^2$ (compared to $6.0\text{ kJ/m}^2$ in unmodified controls), ensuring component reliability and breakage prevention under mechanical stress.

Processing & Handling Instructions

Processing Guidelines

IBond compatibilizers function seamlessly as conventional additives in standard plastics compounding operations. They easily adapt to existing screw designs and formulation architectures.

Processing Temperature Range: $180^{\circ}\text{C} \text{ to } 280^{\circ}\text{C}$

Storage & Handling Safety

To preserve long-term chemical performance and maintain high grafting viability:

Store in cool, dry indoor conditions.
Shield completely from UV exposure and direct heat sources.
Re-seal open packaging promptly to prevent degradation or contamination.

Anhydride-Grafted Compatibilizers — Frequently Asked Questions

Why choose IBond grafted compatibilizers over typical maleic anhydride-grafted (g-MAH) additives?

IBond compatibilizers are formulated with specialized grafting processes that offer three critical industrial advantages: higher grafting rates, exceptional whiteness, and lower volatile odor during high-temperature extrusion. This translates to stronger compound performance, cleaner aesthetics, and a healthier workplace environment.

What is the optimal dosage rate for IBond compatibilizers?

Dosage typically ranges between 3% to 10% depending on your specific compound composition (e.g., PP, PE, or POE matrix and the filler content level). High-graft grades such as IBond 0613H require lower addition rates between 2% to 6% to achieve robust mechanical enhancement.

How does IBond improve the mechanical properties of glass fiber-reinforced PP?

By chemically bonding to polar glass fibers through functionalized anhydride groups, IBond anchors itself within the non-polar PP resin. Testing demonstrates that using 4% IBond 0623 increases tensile strength by over 80% (from 37.5 MPa to 67.8 MPa) and significantly elevates both flexural strength and impact resistance.

Optimize Your Plastics Compounding Performance

Discuss your structural polymer requirements with our technical sales engineers. Let us help you select the exact IBond grade for your performance goals.

Request a Technical Consultation