A kind of preparation method of multifunctional fabric surface with superhydrophobic conductivity
A multi-functional, super-hydrophobic technology, applied in the directions of plant fibers, textiles and papermaking, and liquid-repellent fibers, it can solve the problems of complex surface operation process, poor stability and poor conductivity of super-hydrophobic conductive coatings, and achieve good results. Effects of chemical stability, good chemical resistance, and high electrical conductivity
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[0035] The present invention provides a kind of preparation method with superhydrophobic conductive multifunctional fabric surface, comprises the following steps:
[0036] (1) Construction of PDA / rGO surface by multiple dipping method
[0037] (2) In situ growth of copper nanoparticles
[0038] (3) Stearic acid modification
[0039] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with specific embodiments.
[0040] Step 1: Preparation of PDA / rGO surface by multiple dipping method
[0041] In one embodiment, this step can be specifically performed as follows: First, cut 3 pieces of cotton cloth according to the size of 2×4 cm, and put them in a beaker, and then undergo ultrasonication for 30 min to remove acetone, absolute ethanol, and deionized water. Dry in an oven at 60°C and cool for later use. Dissolve 2 mg / ml dopamine and 0.05 g sodi...
Embodiment 1
[0055] In this embodiment, a kind of surface with superhydrophobic conductive multifunctional fabric is prepared according to the following steps:
[0056] Step 1. Preparation of PDA / rGO surface by multiple dipping method
[0057] Cut cotton cloth into 3 pieces according to the size of 2 × 4 cm, put them in a beaker, and pass through acetone, absolute ethanol, and deionized water for 30 min in sequence. Weigh 0.2 g dopamine and 0.05 g sodium periodate with an electronic balance, dissolve in 100 ml Tris-HCl, stir for 0.5 h, add 2 mg / ml 100 ml graphene oxide solution, and stir evenly under the action of a magnetic rotor , and then add clean cotton cloth for three dipping, each dipping time is 0.5 h, and the drying temperature is 80 °C, after the reaction is completed, the excess reactant on the surface of the cotton fabric is thoroughly cleaned with deionized water.
[0058] Step 2. In situ growth of copper nanoparticles
[0059] Weigh 0.65 g CuSO 4 ·5H 2 O was dissolved in ...
Embodiment 2
[0064] In this embodiment, a superhydrophobic and conductive multifunctional fabric surface is prepared according to the following steps:
[0065] Step 1. Preparation of PDA / rGO surface by multiple dipping method
[0066] Cut cotton cloth into 3 pieces according to the size of 2 × 4 cm, put them in a beaker, and pass through acetone, absolute ethanol, and deionized water for 30 min in sequence. Weigh 0.2 g dopamine and 0.05 g sodium periodate with an electronic balance, dissolve in 100 ml Tris-HCl, stir for 0.5 h, add 3 mg / ml 100 ml graphene oxide solution, and stir evenly under the action of a magnetic rotor , and then add clean cotton cloth for three dipping, each dipping time is 0.5 h, and the drying temperature is 80 °C, after the reaction is completed, the excess reactant on the surface of the cotton fabric is thoroughly cleaned with deionized water.
[0067] Step 2. In situ growth of copper nanoparticles
[0068] Weigh 0.65 g CuSO 4 ·5H 2 O was dissolved in 25 ml dei...
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Abstract
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