Ultra-low temperature multi-functional PVC material and preparation method thereof
By combining PVC resin powder with polyurethane-urea particles, plasticizers, and stabilizers, and employing a specific mixing and heating stirring process, an ultra-low temperature multifunctional PVC material was prepared. This solved the problem of PVC being brittle at low temperatures and achieved high toughness and impact resistance in the material.
CN122145939APending Publication Date: 2026-06-05EFTEC (CHANGSHU) AUTOMOTIVE MATERIALS LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- EFTEC (CHANGSHU) AUTOMOTIVE MATERIALS LTD
- Filing Date
- 2025-12-26
- Publication Date
- 2026-06-05
AI Technical Summary
Technical Problem
PVC materials tend to harden and become brittle at low temperatures, have low elasticity, are prone to breakage, and have poor low-temperature resistance.
Method used
Ultra-low temperature multifunctional PVC materials are prepared by combining PVC resin powder with polyurethane-urea particles, plasticizers and stabilizers, and using a specific mixing and heating stirring process.
Benefits of technology
It significantly improves the thermal stability, mechanical properties and processing performance of PVC, expands its functions and application areas, and especially maintains toughness and impact resistance at low temperatures.
✦ Generated by Eureka AI based on patent content.
Abstract
The application relates to the technical field of PVC materials, and discloses a super-low-temperature multifunctional PVC material and a preparation method thereof, the super-low-temperature multifunctional PVC material comprises the following components in mass fractions: PVC resin powder: 80-90 parts; polyurethane-urea particles: 30-50 parts; dicyclohexylmethane-4,4'-diisocyanate: 10-20 parts; plasticizer: 30-50 parts; stabilizer: 10-20 parts. The polyurethane-urea particles are introduced as one of the components of the multifunctional PVC material, so that the technical problem that the PVC material is prone to brittle fracture in a low-temperature environment is solved.
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