Preparation method for graphene/nylon 6 nano composite material
A nanocomposite material and graphene technology, which is applied in the field of preparation of graphene/nylon 6 nanocomposite materials, can solve the problems of unfavorable large-scale preparation of graphene/nylon 6, increase in molecular weight, difficulty in polymerization, etc., and achieve large lateral size , comprehensive performance improvement, and the effect of improving compatibility
Inactive Publication Date: 2017-12-26
HANGZHOU GAOXI TECH CO LTD
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The invention relates to a preparation method for a graphene/nylon 6 nano composite material. The graphene/nylon 6 composite material is obtained by performing in-situ polymerization on pleated-sphere-shaped oxidized graphene and caprolactam. In ring opening condensation polymerization period of a caprolactam monomer, the pleated-sphere-shaped oxidized graphene is gradually dissociated into single-layer oxidized graphene sheets, the single-layer oxidized graphene sheets are reacted with nylon 6 molecules to form covalent grafting, and at the same time thermal reduction is performed on the oxidized graphene. According to the invention, just a small number of the pleated-sphere-shaped oxidized graphene is added, thus mechanical properties, high-temperature resistance and ultraviolet aging resistance of nylon 6 can be remarkably improved, dispersity of the graphene in a polymer substrate is excellent, a usage amount is less, the final product has good machinability, and industrialized multi-tow high-speed spinning can be performed; and besides, the preparation process related by the invention is simple and effective, and suitable for industrialized VK tube polymerization equipment, modification of nylon 6 polymerization equipment does not need, and therefore the preparation method provided by the invention is a production technology which extremely has market competitiveness.
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Property | Measurement | Unit |
Size | 1.0 ~ 20.0 | µm |
Size | 1.0 ~ 40.0 | µm |
Size | 20.0 ~ 50.0 | µm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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