Kaneka M-511 is an MBS core-shell impact modifier for room and low temperature toughening of engineering plastics. It significantly improves room and low temperature impact resistance with minimal effect on the original physical properties of substrates, featuring excellent processability, weather resistance, 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-511 and how does it function in polymer systems?
A: Kaneka M-511 is a methacrylate-based impact modifier designed to enhance toughness and ductility in rigid thermoplastic matrices—particularly PVC, polycarbonate, and styrenic resins—without significantly compromising stiffness or processability. It operates through a core–shell morphology that promotes energy dissipation during mechanical stress.
Q2: Is M-511 compatible with unplasticized PVC (uPVC) formulations used in construction profiles?
A: Yes, M-511 is widely used in uPVC applications such as window frames and siding, where it improves low-temperature impact resistance and weathering stability while maintaining excellent fusion behavior during extrusion.
Q3: How does M-511 compare to traditional CPE or MBS impact modifiers in terms of processing and clarity?
A: Unlike CPE, M-511 offers superior melt compatibility and dispersion in clear or translucent compounds. Compared to standard MBS grades, it provides enhanced thermal stability during high-shear processing and reduced yellowing tendency, making it suitable for demanding aesthetic applications.
Q4: What is the typical dosage range for M-511 in impact-modified formulations?
A: Dosage depends on the base resin and performance targets, but M-511 is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—to achieve meaningful improvements in notched Izod impact strength without adversely affecting tensile properties or surface finish.
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