Maitian
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11
2025
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12
Performance advantages of modified plastics
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Improved Mechanical Properties: The strength, rigidity, and toughness of modified plastics have been significantly enhanced. For example, fiber-reinforcement technology can dramatically boost the tensile strength and impact resistance of plastics, making them ideal for applications with high load-bearing requirements, such as automotive components and mechanical parts. Nanomodification technology can also simultaneously improve the material’s thermal performance, flame retardancy, and barrier properties.
Enhanced Heat Resistance and Dimensional Stability: Through reinforcement or fillers, the heat distortion temperature of plastics is significantly improved. For example, the heat distortion temperature of reinforced nylon can be increased from 60–80℃ in the unreinforced state to 180–220℃, enabling it to be used reliably for extended periods in environments ranging from 100 to 150℃. At the same time, the molding shrinkage rate is reduced, enhancing the dimensional accuracy of the finished products.
Optimized processing performance: High-melt-index modified plastics (such as polypropylene with a melt index of around 30) exhibit excellent flowability, which can enhance production efficiency and are well-suited for thin-wall designs and the molding of complex shapes. They are widely used in components such as automotive bumpers.
Expanded Functional Diversity: Modifying technologies can endow plastics with specialized functions, such as flame retardancy (suitable for the electronics and electrical appliance industry), antistatic properties (used in precision electronic devices), and corrosion resistance (e.g., as a material for lithium battery casings), thereby meeting diverse industrial needs.
Lightweighting and Cost-Effectiveness: Modified plastics boast a high specific strength (the ratio of strength to density), enabling them to replace metal materials and reduce product weight, thereby lowering energy consumption and maintenance costs. For example, in new-energy vehicles, they are used for battery structural components and body parts.
Previously:
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