Halloysite nanotube / epoxy nanocomposite

A technology of halloysite nanotubes and nanocomposites, which is applied in the field of halloysite nanotubes/epoxy resin nanocomposites to achieve good practical value, enhance interface interaction, and improve mechanical properties
CN105860435AActive Publication Date: 2016-08-17INST OF CHEM CHINESE ACAD OF SCI +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
INST OF CHEM CHINESE ACAD OF SCI
Publication Date
2016-08-17

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Abstract

The present invention relates to the field of nano-composite materials, and specifically relates to a halloysite nanotube / epoxy nanocomposite. The halloysite nanotube is a branched polymine grafted halloysite nanotube; the branched polymine grafted weight halloysite nanotube and epoxy resin are in the weight ratio of 0.2-20:100, preferably 0.5-5:100. The hyperbranched polymine is grafted onto epoxidized HNTs, so that the branched structure has rich amino groups to generate stronger chemical bonds or hydrogen bonds between the halloysite nanotube and an epoxy matrix and to enhance the interface effect. The prepared modified halloysite nanotube can effectively improve the impact resistance of epoxy resin and reduce brittle fracture of epoxy resin, and has broad application prospects in the fields of automotive, electronics, functional materials and aerospace.
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Description

technical field

[0001] The invention relates to the field of nanocomposite materials, in particular to a halloysite nanotube / epoxy resin nanocomposite material. Background technique

[0002] Halloysite nanotubes are inexpensive natural nanotubes formed from sheets of kaolinite that curl under certain climatic conditions. Generally, the outer diameter of the tube is 40-100 nm, and the length is about 0.2-2 μm. HNTs are double-layer 1:1 aluminosilicates with the molecular formula Al 2 SiO 5 (OH) 4 ·nH 2 O (n=0 or 2), is formed by dislocation and coiling of aluminum-oxygen octahedra in the inner layer and silicon-oxygen tetrahedron in the outer layer, and crystal water exists between the layers. The outer surface of HNTs is mainly composed of Si-O-Si bonds, and the inner wall is mainly composed of aluminum hydroxyl groups. There are silicon / aluminum hydroxyl groups on the crystalline edges of HNTs or the end faces of the tubes, while a small amount of embedded hydroxyl gr...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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