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A kind of polyamide 6/fluorescein composite material and preparation method thereof

A composite material and fluorescein technology, applied in the field of polyamide 6/fluorescein composite material and its preparation, can solve the problems of "poor dimensional stability and high water absorption, and achieve the improvement of performance parameters, improved performance, and good performance improvement effect." Effect

Active Publication Date: 2021-09-07
HUANGHUAI UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inherent shortcomings of polyamide 6 such as "poor dimensional stability and high water absorption" have become important factors that limit its application

Method used

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  • A kind of polyamide 6/fluorescein composite material and preparation method thereof
  • A kind of polyamide 6/fluorescein composite material and preparation method thereof
  • A kind of polyamide 6/fluorescein composite material and preparation method thereof

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Embodiment

[0034] The polyamide 6 / fluorescein composite material provided in this example is prepared by in-situ polymerization. During the preparation process, fluorescein is used as a filler and adipic acid is used as a catalyst. The specific preparation process is as follows:

[0035] (1) Add 100 g of ε-caprolactam, 2 mL of distilled water, 1.0 g of adipic acid, and fluorescein (0.1 g, 0.3 g, 0.5 g, 0.7 g, and 0.9 g of fluorescein) into a three-necked flask, and heat Melt magnetic stirring, raise the system from room temperature to 190°C, and reflux for 3 hours;

[0036] (2) After the reaction in step (1) is completed and the water vapor is released, the temperature of the system is raised to 230°C within 0.5 hours, and then the temperature of the system is gradually raised to 260°C within 1.5 hours;

[0037] Keep this temperature, vacuumize gradually to -0.08MPa, vent, and cast into dumbbell-shaped samples while hot to test the tensile strength of the material, and cast into "V"-shap...

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Abstract

This application belongs to the technical field of polymer composite materials in material science, and specifically relates to a patent application for a polyamide 6 / fluorescein composite material and its preparation method. The material is prepared by an in-situ polymerization method. During the preparation process, fluorescein is used as a filler and adipic acid is used as a catalyst. During preparation, first raise the system to 190~210°C, heat, melt and reflux for reaction; after the reaction, release water vapor, then raise the system temperature to 210~230°C, then gradually raise the system temperature to 260°C; finally vacuumize Gradually drop to ‑0.08MPa. The polymer composite material provided by this application, through the addition and use of fluorescein, on the one hand greatly improves the performance of the polymer material, and on the other hand, due to the addition of the fluorescent material, the application range of the polyamide polymer material is broadened, so it has better performance. The practical value and significance of promotion and application.

Description

technical field [0001] This application belongs to the technical field of polymer composite materials in material science, and specifically relates to a patent application for a polyamide 6 / fluorescein composite material and its preparation method. Background technique [0002] Polymer composite materials are one of the research hotspots in the field of material science. Since this type of material has the characteristics of organic and inorganic materials, and through the interaction between the two, more new and excellent properties can be produced. Performance, multifunctional composite materials are an important way. [0003] In the prior art, there are many methods for preparing polymer composite materials, among which there are four commonly used methods: melt blending method, sol-gel method, intercalation polymerization method and in-situ polymerization method. However, due to the different applicable materials and performance requirements for polymer composites, dif...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G69/16C08G69/14C09K11/06
Inventor 徐启杰柳准张宁喻淼李伟
Owner HUANGHUAI UNIV
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