Polypropylene composition, molded article, and method for manufacturing the molded article
A polypropylene composition with talc, carbon nanotubes, and a dispersant addresses the challenge of balancing mechanical properties and processability, resulting in high-strength, defect-free molded articles with improved reliability.
JP2026106934APending Publication Date: 2026-06-30CARBON FLY INC +1
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- CARBON FLY INC
- Filing Date
- 2024-12-18
- Publication Date
- 2026-06-30
AI Technical Summary
Technical Problem
Existing polypropylene compositions face challenges in achieving both improved mechanical properties and maintained processability, particularly in applications requiring high mechanical strength and ease of processing.
Method used
A polypropylene composition comprising polypropylene, talc, carbon nanotubes, and a dispersant, with specific mass ratios and properties, enhances mechanical properties and processability by ensuring homogeneous mixing and dispersion of carbon nanotubes.
Benefits of technology
The composition achieves a balance of excellent mechanical properties and processability, preventing defects like chipping and ensuring high dimensional accuracy and reliability in molded articles.
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Smart Images
Figure 2026106934000001
Abstract
The object of the present invention is to provide a polypropylene composition with excellent mechanical properties and processability, to provide a molded article with excellent mechanical properties and processability, and to provide a method for manufacturing a molded article with excellent mechanical properties and processability. [Solution] The polypropylene composition of the present invention is a composition comprising polypropylene, talc, carbon nanotubes, and a dispersant, wherein the carbon nanotubes are contained in an amount of 0.2% to 0.4% by mass per 100% by mass of the polypropylene composition. Preferably, the dispersant is contained in an amount of 0.4% to 2.0% by mass per 100% by mass of the polypropylene composition. Preferably, the dispersant is a silicone-based dispersant.
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