Polyamide master batch, polyamide composite material and preparation method and application thereof
By adding polytetrafluoroethylene, carbon black and metal salt to the polyamide resin, polyamide masterbatches with excellent stress-resistant whitening properties were prepared, which solved the problem of whitening in the car water chamber materials and improved the appearance quality of the parts and customer acceptance.
CN119708838AActive Publication Date: 2025-03-28SHANGHAI KINGFA SCI & TECH +1
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Patent Information
- Application Number
- CN202411963101.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2044-12-30
AI Technical Summary
Technical Problem
Among the existing automotive water chamber materials, glass fiber reinforced nylon is prone to whitening problems during cooling and setting, which affects the appearance of parts and customer acceptance.
Method used
Polyamide resin is used as a matrix, combined with polytetrafluoroethylene, carbon black and metal salt, and melt extrusion is carried out through a twin-screw extruder to prepare polyamide masterbatches with excellent stress-whitening properties.
Benefits of technology
It significantly improves the whitening problem and improves the stress whitening resistance of polyamide masterbatches, making them suitable for the preparation of automotive parts and water chamber materials.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention discloses a polyamide master batch, a polyamide composite material as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials, the polyamide master batch comprises the following components in parts by weight: 100 parts of first polyamide resin, 2-8 parts of polytetrafluoroethylene, 10-20 parts of carbon black and 4-12 parts of metal salt. According to the invention, the polyamide resin is used as a matrix, under the combined action of polytetrafluoroethylene, carbon black and metal salt, the polyamide master batch with excellent stress whitening resistance is obtained, the whitening problem is effectively improved, and the polyamide master batch is very suitable for preparing automobile parts, and is especially suitable for preparing automobile water chamber materials.
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