Long-acting antistatic composite chinlon fabric and preparation method thereof
An anti-static and nylon technology, applied in the manufacture of conductive/anti-static filaments, single-component polyamide artificial filaments, etc., can solve the problem that the conductivity of composite powders is difficult to guarantee, the aggregation of carbon materials cannot be avoided, and spinning cannot be performed Handling and other issues, to achieve the effect of helping interface charge transfer, facilitating continuous preparation, and easy charge transfer
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Embodiment 1
[0029] (1) Add 5 parts by mass of an aqueous dispersion of modified graphene and 0.05 parts by mass of a molecular weight regulator into 100 parts by mass of caprolactam melt, and stir and mix at 300 rpm at 80° C. to form a dispersion. The modified graphene is a single-layer graphene with oxygen-containing functional groups such as carboxyl and hydroxyl groups on the surface, the carbon-to-oxygen ratio is 2.5, and the mass concentration of the modified graphene aqueous dispersion is 1%;
[0030](2) 0.3 parts of high DBP value nano-carbon black and 1.2 parts of low DBP value nano-carbon black are mixed and added to the mixed solution obtained in step (1), and high-speed shear dispersion is carried out by an emulsifying homogenizer at 80 ° C; wherein The DBP value of nano carbon black with high DBP value is 360, and the DBP value of carbon black with low DBP value is 240;
[0031] (3) Under nitrogen protection, heat up the dispersion liquid obtained in step (2) to 250°C in a pol...
Embodiment 2
[0037] (1) Add 5 parts by mass of an aqueous dispersion of modified graphene and 0.05 parts by mass of a molecular weight regulator into 100 parts by mass of caprolactam melt, and stir and mix at 500 rpm at 80° C. to form a dispersion. The modified graphene is a single-layer graphene with oxygen-containing functional groups such as carboxyl and hydroxyl groups on the surface, the carbon-to-oxygen ratio is 6, and the mass concentration of the modified graphene water dispersion is 3%;
[0038] (2) 0.3 parts of high DBP value nano-carbon black and 1.5 parts of low DBP value nano-carbon black are mixed and added to the mixed solution obtained in step (1), and high-speed shear dispersion is carried out by an emulsifying homogenizer at 80 ° C; wherein The DBP value of nano carbon black with high DBP value is 400, and the DBP value of carbon black with low DBP value is 240;
[0039] (3) Under the protection of nitrogen, the dispersion obtained in step (2) was heated to 260°C in a pol...
Embodiment 3
[0045] (1) Add 5 parts by mass of an aqueous dispersion of modified graphene and 0.3 parts by mass of a molecular weight regulator into 100 parts by mass of caprolactam melt, and stir and mix at 500 rpm at 80° C. to form a dispersion. The modified graphene is a single-layer graphene with oxygen-containing functional groups such as carboxyl and hydroxyl groups on the surface, the carbon-to-oxygen ratio is 4, and the mass concentration of the modified graphene aqueous dispersion is 6%;
[0046] (2) 0.3 parts of high DBP value nano-carbon black and 1.2 parts of low DBP value nano-carbon black are mixed and added to the mixed solution obtained in step (1), and high-speed shear dispersion is carried out by an emulsifying homogenizer at 80 ° C; wherein The DBP value of nano carbon black with high DBP value is 380, and the DBP value of carbon black with low DBP value is 280;
[0047] (3) Under the protection of nitrogen, the dispersion obtained in step (2) was heated to 270°C in a po...
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