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Kaneka M-722 is an MBS core-shell impact modifier designed for PC, PBT and their alloys. It significantly improves impact resistance at room, low and even -40℃ ultra-low temperatures with little effect on substrate physical properties, featuring excellent weather resistance, processability, and good product surface finish & rigidity retention.
MBS core-shell structure with uniform particle size, independent of mixing process and excellent dispersibility
Outstanding room & low temperature impact resistance, maintaining high impact strength even at -40℃ ultra-low temperature
Minimal effect on substrate tensile, melting and other physical properties, with excellent rigidity retention
Superior processability, suitable for various forming processes, and good 60° gloss performance of products
Excellent weather resistance, without affecting the original aging resistance of the substrate after modification
Impact modification of PC, PBT, PC/ABS, PC/PBT and other engineering plastics as well as their alloys
Production of chemical equipment accessories requiring high and low temperature impact resistance and hydrolysis resistance
Toughening modification of flame-retardant PC/ABS alloy products
Preparation of engineering plastic structural parts and precision accessories under high-temperature processing conditions
Production of electronic and electrical parts, automotive engineering plastic parts used in outdoor and humid environments
| Product Information | |
| Product Name | Kaneka Chemical Toughener KENEKA ACE M722 |
| Product Type | MBS Core-shell Impact Modifier |
| Chemical Description | MBS Polymer |
| Appearance | Free-flowing white powder |
| Main Component | MBS copolymer |
| Application & General Properties | |
| Application System | PC, PBT, PC/ABS, PC/PBT engineering plastics and alloys |
| Processing Performance | Excellent, adaptable to various forming processes |
| Particle Characteristic | Uniform size, no influence from mixing process |
| Weather Resistance | Excellent, no effect on substrate aging resistance |
| Compatibility | Good compatibility with PC, PBT and their alloys |
| Mechanical Properties (5phr in PC) | |
| Tensile Yield Strength | 55.6 MPa |
| Elongation at Break | 144 % |
| Impact Properties (5phr in PC) | |
| Izod Notched Impact (23℃) | 58.7 kJ/m² |
| Izod Notched Impact (-30℃) | 53.2 kJ/m² |
| Izod Notched Impact (-40℃) | 52.8 kJ/m² |
| Physical & Optical Properties (5phr in PC) | |
| Melt Flow Rate (MFR) | 13.9 g/10min |
| 60° Gloss | 105.3 |
| Packaging & Storage | |
| Packaging Specification | 20 kg/bag |
| Storage Requirement | Store in a cool and dry place, seal immediately after opening |
| Shelf Life | 12 months under sealed dry storage conditions |
Q1: What is Kaneka M-722, and how does it function in polymer systems?
A: Kaneka M-722 is a methacrylate-based impact modifier designed to enhance toughness and impact resistance in rigid thermoplastics—particularly PVC, polycarbonate, and certain engineering resins—without significantly compromising stiffness or clarity. It functions through a core-shell morphology that promotes efficient stress dissipation during mechanical deformation.
Q2: Is M-722 compatible with unplasticized PVC (uPVC) formulations for window profiles and pipe applications?
A: Yes, M-722 is widely used in uPVC compounds to improve low-temperature impact performance while maintaining excellent processability and long-term weatherability. It demonstrates good thermal stability during standard PVC extrusion and injection molding conditions.
Q3: How does M-722 compare to traditional CPE or MBS impact modifiers in terms of clarity and surface finish?
A: Unlike many CPE modifiers, M-722 offers superior optical clarity and smoother surface appearance in transparent or translucent applications due to its fine particle size distribution and refractive index compatibility with host resins like PC and rigid PVC.
Q4: What is the typical dosage range for M-722 in polymer blends?
A: Dosage depends on the base resin and desired balance of impact strength, rigidity, and processing behavior—but M-722 is typically used at low concentrations, generally ranging from 0.1% to 2% by weight in most commercial formulations.
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E-mail: wangxingqiang@ericwchem.com
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