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Kaneka M-732 is an MBS core-shell impact modifier, mainly for high and low temperature impact modification of PC and its alloys. It significantly improves impact performance at high, room and low temperatures with minimal effect on substrate physical properties, featuring excellent weather, heat and hydrolysis resistance, as well as good dispersion and compatibility.
MBS core-shell structure with small micro particle size, excellent dispersibility and good compatibility with substrates
Outstanding high and low temperature impact resistance, greatly improving low temperature impact strength at 0℃ and -30℃
Excellent heat resistance, only 1% weight loss at 325℃, suitable for high temperature processing technology
Better hydrolysis, chemical and solvent resistance than conventional M700 series products
Little effect on the fire resistance of materials when used in PC flame retardant systems
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 M732 |
| Product Type | MBS Core-shell Impact Modifier |
| Chemical Description | MBS Polymer |
| Appearance | Free-flowing white powder |
| Main Component | MBS copolymer |
| Thermal & Particle Properties | |
| Heat Resistance (1% weight loss) | 325℃ |
| Particle Characteristic | Small micro particle size, excellent dispersibility |
| Compatibility & Applications | |
| Compatibility | Good compatibility with PC, PBT and their alloys |
| Application System | PC, PBT, PC/ABS, PC/PBT engineering plastics and alloys |
| Flame Retardant Compatibility | Little effect on fire resistance of PC flame retardant systems |
| Key Performance | |
| Key Performance | Excellent high/low temperature impact resistance, hydrolysis & chemical resistance |
| Mechanical Properties (5phr in PC) | |
| Flexural Strength | 85.9 MPa |
| Flexural Modulus | 2180 MPa |
| MFR (300℃/1.2kg) | 9.2 g/10min |
| Impact Properties (5phr in PC) | |
| Izod Notched Impact (23℃) | 80.5 kJ/m² |
| Izod Notched Impact (0℃) | 71.3 kJ/m² |
| Izod Notched Impact (-30℃) | 30.6 kJ/m² |
| 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 the primary function of Kaneka M-732 in polymer formulations?
A: Kaneka M-732 is a reactive acrylic impact modifier designed to significantly enhance toughness and ductility—particularly low-temperature impact resistance—of rigid thermoplastics such as PVC, polycarbonate, and certain engineering resins without substantially compromising stiffness or thermal stability.
Q2: How is Kaneka M-732 typically incorporated into polymer processing?
A: It is commonly added during compounding via twin-screw extrusion or high-speed mixing. Due to its reactive acrylic nature and compatibility with common melt-processing conditions, it disperses readily and forms strong interfacial adhesion with the matrix polymer, enabling efficient stress transfer.
Q3: Is Kaneka M-732 suitable for applications requiring transparency or optical clarity?
A: Yes—when properly dispersed in compatible amorphous polymers like PC or transparent PVC formulations, M-732 generally maintains high clarity and minimal haze, making it appropriate for transparent impact-modified parts where aesthetics and mechanical performance are both critical.
Q4: Does Kaneka M-732 require special handling or storage conditions?
A: It should be stored in a cool, dry place, protected from moisture and direct sunlight. While not highly sensitive under standard warehouse conditions, prolonged exposure to humidity or elevated temperatures may affect flowability or dispersion consistency over time.
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E-mail: wangxingqiang@ericwchem.com
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